publicationDate stringlengths 10 10 | abstract stringlengths 0 37.3k | title stringlengths 1 5.74k | doi stringlengths 11 47 ⌀ |
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2023-11-01 | Excessive cumulative stroke in the longitudinal movement of long-span suspension bridge can led to premature fatigue damage in the bridge’s connecting components. However, existing control devices, like viscous damper, remain suboptimal. This paper aims to reveal the underlying mechanism of cumulative stroke control an... | An Analytical Study on Using Maxwell-Coulomb Friction Damper to Mitigate Quasi-Static Response of SDOF Systems | 10.1007/s12205-023-1365-5 |
2023-11-01 | Rheumatoid arthritis (RA) is one of the most severe inflammatory diseases that cause swelling, stiffness and pain in the joints, which pose a significant threat worldwide. Damage-associated molecular patterns (DAMPs) are danger molecules of endogenous origin, released during cell injury or cell death, interacts with va... | Underpinning Endogeneous Damp EDA-Fibronectin in the Activation of Molecular Targets of Rheumatoid Arthritis and Identifcation of its Effective Inhibitors by Computational Methods | 10.1007/s12010-023-04451-8 |
2023-10-31 | Purpose In fact, the diagonal elements of the modal matrix are read in the form of the normalization constants, which is the case in both experimental modal analysis and analytical modal analysis. A desired performance in both above fields will require simple scaling of the mode shapes. In this study, a method to calcu... | Sensitivity Analysis of Modal Parameter Based on Simple Scaling for Asymmetric Damped System | 10.1007/s42417-023-01170-6 |
2023-10-28 | In this article, a novel nonlinear displacement–velocity-dependent (NDVD) damper that takes into account the effect of momentum variation is introduced. The main goal is to improve the system’s response by designing the NDVD damper through strategic alterations to the structure of a linear damper. As a result, the damp... | Enhancing System Response with a Novel Nonlinear Displacement–Velocity-Dependent Damper Considering Momentum Variation | 10.1007/s40996-023-01263-y |
2023-10-27 | In this paper, we consider the following wave equation $$\begin{aligned} \left\{ \begin{aligned} u&_{tt} - \varDelta u + a_0 b(t, x)u_t +a_1b(t, x) u_t(t-\tau ) +\vert u\vert ^{p-1}u=0, \quad t>0, \;\; x\in {\mathbb {R}}^n\\ u&(0, x ) = u_0(x), \qquad u_t(0, x) = u_1(x) \qquad x\in {\mathbb {R}}^n\qquad \\ u&_t( t-\tau... | General energy decay for wave equation with space-time potential and time delay in
$${\mathbb {R}}^n$$
R
n
... | 10.1007/s13370-023-01120-1 |
2023-10-26 | Purpose This paper propose a grounded-type DVA attached to a damped primary system, which can effectively suppress the vibration amplitudes by introducing a lever, focusing on the optimal design of the novel DVA. It can be utilized to the simplified model of a damped spacecraft or stay cable of cable-stayed bridges. Me... |
$${\mathrm{H}}_{\infty }$$
H
∞
and
$${\mathrm{H}}_{2}$$
H
... | 10.1007/s42417-023-01161-7 |
2023-10-24 | This paper is concerned with extensible beams with nonlocal frictional damping and polynomial nonlinearity. By using semigroup theory, potential well method, and energy method, the well-posedness and the conditions on global existence and finite time blow-up of solutions are studied. Moreover, the upper bound of blow-u... | Well-Posedness and Dynamical Properties for Extensible Beams with Nonlocal Frictional Damping and Polynomial Nonlinearity | 10.1007/s00245-023-10070-w |
2023-10-23 | This paper presents a numerical model using the boundary element method for determining the hydrodynamic added mass and added damping of an elastic bridge pier with arbitrary cross-section. Combining the Euler–Bernoulli beam theory with the constant boundary element method, the modal superposition method is used to con... | Numerical modeling of hydrodynamic added mass and added damping for elastic bridge pier | 10.1186/s43251-023-00104-2 |
2023-10-17 | In this work, a classical non-conservative system is quantised via canonical quantisation. A systematic approach as to how to obtain the Schrödinger equation for a general dissipative system is proposed. The free particle under linear and cubic dissipation are canonically quantised to obtain wave functions, position–mo... | Quantisation of the damped free particle | 10.1007/s12043-023-02646-6 |
2023-10-10 | We discuss some of our recent work on the linear and nonlinear stability of shear flows as solutions of the 2D Euler equations in the bounded channel $$\mathbb {T}\times [0,1]$$ T × [ 0 , 1 ] . More precisely, we consider shear flows $$u=(b(y),0)$$ u = ( b ( y ) , 0 ) given by smooth functions $$b:[0,1]\rightarrow \mat... | On the Stability of Shear Flows in Bounded Channels, I: Monotonic Shear Flows | 10.1007/s10013-023-00656-w |
2023-10-09 | In this work, we deal with a one-dimensional Cauchy problem in Timoshenko system with temperature and microtemperature effect. The heat conduction is given by the theory of Lord–Shulman. We prove that the dissipation induced by the coupling of the Timoshenko system with the heat conduction of Lord–Shulman’s theory alon... | Decay rate of the solutions to the Cauchy problem of the Lord Shulman thermoelastic Timoshenko model with microtemperature effect | 10.1007/s11868-023-00561-3 |
2023-10-09 | Magnetorheological fluid dampers are widely acknowledged for their ability to absorb kinetic energy and effectively control vibrations, offering a range of benefits in chatter suppression applications. Despite the smart features of magnetorheological fluid, the rural industry still expresses concerns about issues such ... | Characterization and performance analysis of magnetorheological foam damper for vibration control during boring process | 10.1007/s41939-023-00259-5 |
2023-10-06 | In this paper, we are interested in the upper bound of the lifespan estimate for the compressible Euler system with time-dependent damping and small initial perturbations. We employ some techniques from the blow-up study of nonlinear wave equations. The novelty consists in the introduction of tools from the Orlicz spac... | Lifespan estimates for the compressible Euler equations with damping via Orlicz spaces techniques | 10.1007/s00028-023-00918-7 |
2023-10-06 | High temperature and high strain rate rolling of Mg-1.0 wt.% Al alloy at 20, 50, and 80% rolling reduction were used to investigate the effect of rolling reduction on the microstructure, mechanical, and damping properties of Mg-1.0 wt.% Al alloy. The average grain size of Mg-1.0 wt.% Al sheet gradually decreases, and t... | The Effect of Rolling Reduction on the Microstructure, Mechanical, and Damping Properties of Mg-1.0 wt.% Al Alloy | 10.1007/s11665-023-08782-9 |
2023-10-03 | A new Bresse system with hybrid damping coming from elasticity, thermoelasticity, and viscoelasticity, is analyzed. The uniform (exponential) stabilization of semigroup solution is proved under the dynamic response of each hybrid damping effect. | Exponential Stability for a Bresse System with Hybrid Dissipation | 10.1007/s10440-023-00605-2 |
2023-10-01 | To address the problem of the flat-head tower crane in rotating motion with the large amplitude of the jib vibration and the cargo swing, based on the Euler–Bernoulli beam theory and Lagrange equation, a particle damping vibration absorber-jib-cargo coupling system (PDVA-J-C-CS) dynamics model is proposed based on the ... | Research on vibration damping model of flat-head tower crane system based on particle damping vibration absorber | 10.1007/s40430-023-04496-0 |
2023-10-01 | In this paper, a nonlocal operator method combined with an explicit phase field method is applied to model the propagation of quasi-static fracture and show the computational efficiency of the proposed model compared with numerical models based on implicit method in the literature. Based on the energy form of the phase... | Computational modeling of quasi static fracture using the nonlocal operator method and explicit phase field model | 10.1007/s00366-022-01777-5 |
2023-10-01 | The effectiveness of a particle-tuned mass damper was investigated experimentally using a small single story steel structure. Two cases were examined. First, the damper was suspended from the structure with a fixed weight inside the container and in the second case the fixed weight was replaced by particles of equal ma... | An Experimental Study on the Effectiveness of Particle Tuned Mass Dampers | 10.1007/s12205-023-0261-3 |
2023-10-01 | In this paper, we study the following damped vibration problem x ̈ + ( q ( t ) I N × N + B ) x ̇ + 1 2 q ( t ) B − A ( t ) x + H x ( t , x ) = 0 , t ∈ ℝ , x ( 0 ) − x ( T ) = x ̇ ( 0 ) − x ̇ ( T ) = 0 , T > 0. $$ \begin{cases} \ddot{x}+ (q(t) I_{N \times N} + B ) \dot{x}+\left( \frac{1}{2}q(t)B - A(t)\right)x+H_{x}(t,x... | Multiplicity of Periodic Solutions for a Class of New Super-quadratic Damped Vibration Problems | 10.1007/s10883-022-09638-6 |
2023-10-01 | In robotic arm-based noncooperative spacecraft-capture missions, the gripper of the robotic arm collides with the target’s surface and graspable structure. The former can cause the graspable structure to collide with the gripper multiple times or escape from the gripper. The adverse of the latter is that the momentum t... | A new strategy for capturing a noncooperative spacecraft by a robotic arm | 10.1007/s11044-022-09868-3 |
2023-10-01 | In this paper, new simple tuning rules for the fractional order PID controller cascaded with a first order lead compensator are extracted analytically for standard transfer functions of time delay systems. The proposed direct synthesis controller is designed to achieve exact desired frequency domain specifications with... | An explicit tuning of the fractional order controller using a novel time delay approximation | 10.1007/s40435-023-01132-6 |
2023-10-01 | Modal parameters are critical for wind resistant design and vibrational serviceability assessments of long-span cable-supported bridges. In contrast to the successful research efforts into natural frequencies, there are still challenges in modeling the damping ratio due to the following aspects: (1) inherent errors in ... | Deep Gaussian process regression for damping of a long-span bridge under varying environmental and operational conditions | 10.1007/s13349-023-00710-8 |
2023-10-01 | The growing complexity of interconnected power systems, with significant penetration of intermittent renewable sources, makes the tasks of devising power system models and defining the operating point challenging. In this context, the large amount of data available from wide-area monitoring systems (WAMS) encourages th... | A Data-driven Approach for the Design of Wide-Area Damping Controllers | 10.1007/s40313-023-01026-0 |
2023-10-01 | The present study focuses on the investigation of mechanical, thermal, and corrosion behaviors of cast hybrid nano-metal matrix composites of AA7075 with Al_2O_3 and coconut shell ash (CSA) nano- and micro-sized particulates, respectively, as reinforcements. Using an ultrasonic assisted stir-casting technique, the hybr... | Investigation of Microstructure and Several Quality Characteristics of AA7075/Al_2O_3/Coconut Shell Ash Hybrid Nano Composite Prepared through Ultrasonic Assisted Stir-Casting | 10.1007/s11665-022-07780-7 |
2023-10-01 | In this paper, a new hysteresis model with resistor–capacitor (RC) operator for magnetorheological dampers (MRD) is proposed, which takes the excitation current, frequency, and amplitude as input variables. A hysteresis model based on RC operator is established, and the influence of each parameter in the model on the n... | A New Hysteresis Model with Resistor–Capacitor Operator for Magnetorheological Dampers | 10.1007/s42417-022-00744-0 |
2023-10-01 | The dynamic performance degradation of high-speed trains (HSTs) under complicated operating environment, such as low-temperature condition, has attracted increasing attention. This paper presents a study on the nonlinear dynamic characteristic variations of yaw dampers under variable temperature conditions and their ef... | Modelling and simulation of nonlinear dynamic characteristics of yaw dampers subjected to variable temperature operation condition of high-speed trains | 10.1007/s11071-023-08831-x |
2023-10-01 | Computational fluid dynamics (CFD) provides a powerful tool for investigating complicated fluid flows. This paper aims to study the applicability of CFD in the preliminary design of linear and nonlinear fluid viscous dampers. Two fluid viscous dampers were designed based on CFD models. The first device was a linear vis... | Application of computational fluid dynamics in design of viscous dampers - CFD modeling and full-scale dynamic testing | 10.1007/s11803-023-2209-5 |
2023-10-01 | This article is about vibration-damping robotic eating devices designed for use by people who have difficulty in eating due to hand tremors due to neuromuscular system disorder. The robotic eating device has two degrees of freedom (DoF). It contains an active controller structure to absorb vibrations in the y - and z -... | FiMec tremor stabilization spoon: design and active stabilization control of two DoF robotic eating devices for hand tremor patients | 10.1007/s11517-023-02886-z |
2023-10-01 | Earthquake disasters in seismically active zones revealed the phenomenon of liquefaction which plays a key role in monitoring its severity. Liquefaction affects the stability of the soil by reducing the effective stress which makes soil flows like a liquid. Cohesionless soils under undrained conditions are highly vulne... | An Experimental Study on Static and Cyclic Undrained Behaviour of Gangetic Sand | 10.1007/s40098-023-00727-2 |
2023-10-01 | Introduction Electromagnetic dampers, that are composed of a permanent-magnet DC motor, a ball screw, and a nut, are one of the devices currently being inspected to regenerate energy from the vehicle suspension system. In view of that, this research paper focuses on developing mathematical model for an energy storage s... | Energy Regeneration Effects on the Vehicle Suspension System Performance Considering Non-idealities | 10.1007/s42417-022-00732-4 |
2023-10-01 | Abstract The characteristics of spatial relaxation of the average electron energy in pure helium and in helium containing an admixture of water vapor in a constant electric field have been investigated by Monte Carlo simulation. The conditions under which the spatial relaxation in helium has a form of damped oscillatio... | Influence of Water Vapor on the Spatial Oscillations of the Average Electron Energy in Helium in a Constant Electric Field | 10.3103/S1541308X23050023 |
2023-10-01 | This paper proposes some modifications to the method of studying the fractional mass-spring-damper system in order to meet the high reliability requirements of the mechanical system. These changes mainly depend on two things, the discovered drawback of the fractional methods, and the general behavior of the mechanical ... | A novel approach to study the mass-spring-damper system using a reliable fractional method | 10.1007/s00419-023-02461-w |
2023-10-01 | A one-component strain gauge dynamometer with a force measurement range of 0–0.33 N was developed and manufactured at the N. E. Zhukovsky Central Aerohydrodynamic Institute, to measure the unsteady friction force of the boundary layer on the wind tunnel walls at remarkably high Reynolds numbers. The static and dynamic ... | Strain gauge dynamometer for measuring the boundary layer friction force on the walls of wind tunnels | 10.1007/s11018-023-02251-4 |
2023-10-01 | Bio-based interpenetrating polymer networks (IPNs) with tunable thermal and mechanical properties were prepared by bio-based polyurethane (PU) and epoxy resin (EP) derived from plant oils. The cure reaction, dynamic mechanical properties, thermal stability, mechanical performance and morphology of bio-based PU/EP IPNs ... | Bio-based epoxy/polyurethane interpenetrating polymer networks (IPNs) derived from plant oils with tunable thermal and mechanical properties | 10.1007/s10973-023-12368-x |
2023-10-01 | Seismic isolation has been widely accepted as one of the techniques that can be used to protect structures during earthquake ground motions. However, some challenges still exist such as the optimal control of excessive isolator shear strains imposed by some ground motions. The main purpose of this study was to assess t... | Effects of Building Height and Seismic Load on the Optimal Performance of Base Isolation System | 10.1007/s13369-023-07660-9 |
2023-09-27 | Assessing the dynamic response of soft and compressible soils is a prerequisite for many earthquake geotechnical engineering applications. Dynamic characterization is represented in terms of strain-dependent dynamic soil properties ( G _max, G / G _max, and damping ratio- D variation with shear strain- γ ) and liquefac... | Comprehensive dynamic characterization of two cohesive soils of northeastern India for effective stress–based seismic ground response analysis | 10.1007/s12517-023-11651-3 |
2023-09-25 | We present a computational study of sliding between gold clusters and a highly oriented pyrolytic graphite substrate, a material system that exhibits ultra-low friction due to structural lubricity. By means of molecular dynamics, it is found that clusters may undergo spontaneous rotations during manipulation as a resul... | A Computational Study of Cluster Dynamics in Structural Lubricity: Role of Cluster Rotation | 10.1007/s11249-023-01785-6 |
2023-09-24 | Composite structures based on magnetorheological elastomers are widely used in many industrial sectors, such as the automotive, naval, railway, aeronautical, aerospace, and building industries because of their adjustable mechanical properties by an external stimulus. In this work, the experimental tests and the numeric... | Experimental analysis and numerical simulation of the behavior of smart sandwich beams in magnetorheological elastomer–honeycomb | 10.1007/s40430-023-04452-y |
2023-09-24 | Adjustable mass dampers are widely used to reduce the seismic vibrations of engineering structures. The efficiency of these systems requires a proper setting of its parameters. In this study, an efficient and effective method for designing optimal multi-tuned mass dampers (MTMD) is proposed to reduce the vibration resp... | Optimum Setting Parameters of Multiple Tuned Mass Damper for Passive Control of Structures Using Cuckoo Algorithm | 10.1007/s40996-023-01233-4 |
2023-09-22 | As a continuity to the study by Ouchenane (Georgian Math J 21(4):475–489, 2014). We consider a nonlinear thermoelastic system of Timoshenko type with a time-varing delay and forcing term. We show the well-posedness of the system by using the semigroup theory, and we prove an exponential stability result under the usual... | Well-posedness and exponential stability of Timoshenko system of second sound with time-varying delay and forcing terms | 10.1007/s11565-023-00474-5 |
2023-09-19 | In this paper, we study the initial boundary value problem for the following viscoelastic wave equation with Balakrishnan–Taylor damping and a delay term where the relaxation function satisfies g ′ ( t ) ≤ − ξ ( t ) g r ( t ) $g'(t)\leq -\xi (t)g^{r}(t)$ , t ≥ 0 $t\geq 0$ , 1 ≤ r < 3 2 $1\leq r< \frac{3}{2}$ . The main... | Initial boundary value problem for a viscoelastic wave equation with Balakrishnan–Taylor damping and a delay term: decay estimates and blow-up result | 10.1186/s13661-023-01781-8 |
2023-09-18 | Destruction caused by excessive moisture is a common problem in heritage buildings made of brick. Historic buildings usually have walls that of different constructions, i.e. walls with all joints filled, walls without filled vertical joints, and walls with a layered arrangement. Excessive moisture causes brick cavities... | Assessment of the effectiveness of secondary anti-damp insulation in heritage buildings made of historic brick: the current state of knowledge, research gaps and perspectives | 10.1186/s40494-023-01043-x |
2023-09-13 | Phase transition from the over-damping to under-damping states is a ubiquitous phenomenon in physical systems. However, what kind of symmetry is broken associated with this phase transition remains unclear. Here, we discover that this phase transition is determined by an anti-parity-time (anti- $${\cal P}{\cal T}$$ P T... | Anti-parity-time symmetry hidden in a damping linear resonator | 10.1007/s11433-023-2187-7 |
2023-09-12 | The FEAST eigensolver is extended to the computation of the singular triplets of a large matrix A with the singular values in a given interval. The resulting FEAST SVDsolver is subspace iteration applied to an approximate spectral projector of $$A^TA$$ A T A corresponding to the desired singular values in a given inter... | A FEAST SVDsolver Based on Chebyshev–Jackson Series for Computing Partial Singular Triplets of Large Matrices | 10.1007/s10915-023-02342-y |
2023-09-08 | In this article, we consider the long-time behavior of extensible beams with nonlocal weak damping: $$\varepsilon(t)u_{tt}+\Delta^{2}u-m(\Vert\nabla u\Vert^{2})\Delta u+\Vert u_{t}\Vert^{p}u_{t}+f(u)=h$$ ε ( t ) u t t + Δ 2 u − m ( ∥ ∇ u ∥ 2 ) Δ u + ∥ u t ∥ p u t + f ( u ) = h , where ε ( t ) is a decreasing function v... | Attractor for the Extensible Beam Equation with Nonlocal Weak Damping on Time–Dependent Space | 10.1007/s10114-023-1295-7 |
2023-09-04 | It has been proven that mechanical elements display size-dependent behavior in structural and thermal fields at microscales. It has also been found that thermoelastic damping (TED) is one of the dominant reasons in confining the quality factor (Q-factor) of such elements. This paper aims to develop a novel formulation ... | Analysis of thermoelastic damping in a microbeam following a modified strain gradient theory and the Moore-Gibson-Thompson heat equation | 10.1007/s11043-023-09632-w |
2023-09-01 | In this work, we are concerned with the well-posedness of solutions as well as the asymptotic behavior of the energy related to the semilinear coupled heat-wave equations, posed on a bounded domain of $$\mathbb {R}^n.$$ R n . Inspired by the works (Cavalcanti and Oquendo SIAM J Control Optim. 42:1310-24, 2003) and (Nic... | Exponential Stabilization of a Parabolic-Hyperbolic System with Localized Damping and Delay | 10.1007/s10883-023-09653-1 |
2023-09-01 | We investigate the stabilization of a multidimensional system of coupled wave equations with only one Kelvin–Voigt damping. Using a unique continuation result based on a Carleman estimate and a general criteria of Arendt–Batty, we prove the strong stability of the system in the absence of the compactness of the resolve... | A N-dimensional elastic
$$\backslash $$
\
viscoelastic transmission problem with Kelvin–Voigt damping and non smooth coefficient at the interface | 10.1007/s40324-022-00297-y |
2023-09-01 | The long-term chemo–thermo–hydro–mechanical behavior, the salt migration, and the salt attack on unstabilized rammed earth have been rarely investigated in the literature. The authors simulated the mechanical degradation of a typical unstabilized rammed earth (URE) wall under salts and rising damp attack effect by usin... | Mechanical degradation of unstabilized rammed earth (URE) wall under salts and rising damp attack effect | 10.1007/s11440-023-01865-w |
2023-09-01 | In this paper, we consider the following nonlinear Petrovsky equation with variable exponents: $$\begin{aligned} u_{tt}+\Delta ^{2} u+a|u_{t}|^{m(.)-2}u_{t}=b|u|^{p(.)-2}u, \end{aligned}$$ u tt + Δ 2 u + a | u t | m ( . ) - 2 u t = b | u | p ( . ) - 2 u , where a , b are positive constants and the exponents m ( x ), ... | Existence and blow up of solutions for a Petrovsky equation with variable-exponents | 10.1007/s40324-022-00302-4 |
2023-09-01 | This research is mainly dealt with determining the effectiveness of base isolation in multiple degree of freedom systems (MDOF) of different fundamental natural time periods (FNTP). Base isolation devices avert the detrimental ground shaking to maximum extends and mitigates the lateral forces caused by earthquakes. In ... | Effects of fundamental natural time periods on the seismic performance of base isolated multistorey buildings | 10.1007/s42107-023-00604-6 |
2023-09-01 | The results of an experimental investigation on a developed small-scale MR damper for seismic response reduction in buildings are presented in this article. The damper is intended to have a target capacity of 2 kN. The damper was designed and built using the flow mode principle. The MTS servo-hydraulic UTM was used for... | Small-scale MR damper: design, fabrication and evaluation | 10.1007/s42107-023-00582-9 |
2023-09-01 | Adding particles to mechanical elements can reduce their vibrations. Both the particles and the mechanical elements interrelate in a highly complex manner, thereby influencing the energy dissipation of the mechanical elements. The particle damping is extremely nonlinear, and the energy dissipation mechanism in such a g... | A study on the energy dissipation mechanism of dynamic mechanical systems with particle dampers by using the novel energy method | 10.1007/s11071-023-08698-y |
2023-09-01 | Based on finite element discretization, a new two-grid algorithm based on Newton iteration is proposed to solve the stationary Navier–Stokes equations with nonlinear damping term. The proposed new two-grid algorithm consists of three steps: in the first step, we solve one small nonlinear coarse grid problem, and then, ... | A New Two-grid Algorithm Based on Newton Iteration for the Stationary Navier–Stokes Equations with Damping | 10.1007/s11464-021-0018-6 |
2023-09-01 | A magnetorheological (MR) damper is effective and economical for miscellaneous applications in automotive, mechanical, civil, and relative fields. A parameter tuning methodology independent of manual trial-and-error has received much technical interest for controlling vibrations. The present work contributes mathematic... | Dynamic Characterization of MR Fluid-Based Dynamic Vibration Absorber | 10.1007/s13369-022-07410-3 |
2023-09-01 | With the aim to model the self-excited oscillations of a body, a hypothesis is proposed for the formation of periodic bottom-wake vortex structures whose frequency coincides with the natural frequency of oscillations of the body, and the force effect of the oscillations on the body is mathematically described with a ha... | Mathematical modeling of self-excited oscillations over the pitch of a conical-spherical body at Mach number M = 1.75 using the forced-oscillation hypothesis | 10.1134/S0869864323050086 |
2023-09-01 | This research tries to render an unconventional model for thermoelastic dissipation or thermoelastic damping (TED) in circular microplates by accommodating small-scale effect into both structure and heat transfer fields. To accomplish this purpose, the modified couple stress theory (MCST) and Guyer−Krumhansl (GK) heat ... | A non-Fourier and couple stress-based model for thermoelastic dissipation in circular microplates according to complex frequency approach | 10.1007/s10999-022-09633-6 |
2023-09-01 | The proposed method solves the difficulty of unstable sliding rock (USR) adjustment. The study provides a judgment criterion for the quantitative identification of USR. The improved method can provide a practical reference for engineers engaged in rapidly identifying USR. | Experimental Study on the Real-Time Stability Assessment Method for Unstable Sliding Rock | 10.1007/s00603-023-03419-8 |
2023-09-01 | Electromagnetic shock absorbers with mechanical motion rectifier have two operating conditions: engagement and disengagement. The alternation of two operating conditions occurs the nonlinear phenomena. In this paper, the nonlinear dynamic property of an electromagnetic shock absorber with mechanical motion rectifier is... | Damping Characterization of Electromagnetic Shock Absorbers by Considering Engagement and Disengagement | 10.1007/s40997-022-00578-x |
2023-09-01 | We use the three-phase sphere model or the generalized self-consistent scheme (GSCS) to study the mechanical damping of a particulate composite with concurrent interface slip and diffusion under a time-harmonic deviatoric far-field load. In particular, we determine the specific damping capacity characterizing the effec... | Damping behavior of a particulate composite with interface slip and diffusion under a deviatoric far-field load | 10.1007/s00161-023-01226-8 |
2023-09-01 | Abstract The instability of an incompressible boundary layer on a compliant plate with respect to inviscid perturbations in the limit of high Reynolds numbers is analyzed using triple-deck theory. It is shown that unstable inviscid perturbations can exist only if the inertia and/or damping of the plate are taken into a... | Influence of Damping of a Compliant Surface on Inviscid Instability of Overlying Incompressible Boundary Layer | 10.1134/S0965542523090130 |
2023-09-01 | Metals are indispensable raw materials for industry and have strategic importance in economic development. The price forecasting of metals is crucial for the production sector and production policies of countries. The paper presents the application of various exponential smoothing methods to metal spot price forecastin... | Comparison of exponential smoothing methods in forecasting global prices of main metals | 10.1007/s13563-022-00354-y |
2023-09-01 | With the vigorous construction of intercity railways, the environmental vibrations along the railways, especially in buildings with precision instruments (PI), have been deteriorating, and the internal instruments are affected by repeated vibrations. The train-induced vibrations will be more severe when two trains meet... | Vibration impact and reduction measures of high-speed trains meeting on precision instruments in adjacent buildings | 10.1007/s11771-023-5441-2 |
2023-09-01 | As a main source of energy dissipation, thermoelastic damping (TED) cannot be ignored in designing resonators with high-quality factor. However, due to the size-dependent effect and the thermal relaxation, the TED models formulated in the classical theory are no longer able to accurately estimate the energy dissipation... | Investigation on thermoelastic damping of micro-plate resonators based on the modified couple stress theory incorporating the memory-dependent derivative heat transfer model | 10.1007/s00419-023-02450-z |
2023-09-01 | This paper aims to explore a theoretical analysis method, quasi-conservative stochastic averaging, to study the stochastic response and harvesting performance of a class of bistable vibration energy harvesting (VEH) systems with inelastic bilateral stoppers subject to colored noise excitation. The Hertz-damp impact mod... | Stochastic analysis of vibro-impact bistable energy harvester system under colored noise | 10.1007/s11071-023-08773-4 |
2023-09-01 | An additively manufactured particle damper (AMPD) is a novel particle damper fabricated by deliberately leaving unfused powder inside the structure during the laser powder bed fusion (LPBF) process. It retains the advantages of a conventional particle damper, while yielding unique merits. However, the damping mechanism... | Numerical and experimental analysis in the energy dissipation of additively-manufactured particle dampers based on complex power method | 10.1007/s40571-022-00540-3 |
2023-08-31 | The focus of the present work is the (theoretical) approximation of a solution of the p ( x )-Poisson equation. To devise an iterative solver with guaranteed convergence, we will consider a relaxation of the original problem in terms of a truncation of the nonlinearity from below and from above by using a pair of posit... | A damped Kačanov scheme for the numerical solution of a relaxed p(x)-Poisson equation | 10.1007/s42985-023-00259-7 |
2023-08-26 | The reproducing kernel particle method (RKPM) is a widely used meshless method that has been extensively applied in numerical analysis. The drawback of RKPM is that when different kernel functions are chosen during the computation process, there are different calculation accuracy, and significant discreteness. To addre... | Radial Basis Reproducing Kernel Particle Method for Damped Elastic Dynamics Problems | 10.1007/s40997-023-00701-6 |
2023-08-24 | Purpose This paper presents the design, development, and performance analysis of a Two-Degree-of-Freedom Vibration-Based Electromagnetic Energy Harvester (TDOF VBEEH). The purpose is to enhance power output and widen the operational frequency band of the harvester. In the literature, various techniques such as mechanic... | Means of Enhancing the Power Output and Widening the Operational Frequency Band of Vibration-Based Electromagnetic Energy Harvester | 10.1007/s42417-023-01101-5 |
2023-08-17 | In this paper, we study the long-time dynamics for the nonautonomous wave equation with nonlocal weak damping and super-cubic nonlinearity in a bounded smooth domain of $$\mathbb {R}^3.$$ R 3 . Based on the Strichartz estimates for the case of bounded domains, we first prove the global well-posedness of the Shatah–Stru... | Long-Time Dynamics of the Wave Equation with Nonlocal Weak Damping and Super-Cubic Nonlinearity in 3-D Domains, Part II: Nonautonomous Case | 10.1007/s00245-023-10043-z |
2023-08-14 | Of concern is the energy decay property of solutions to wave equations with time-dependent damping. A reasonable class of damping coefficients for the framework of weighted energy methods is proposed, which contains not only the model of “effective” damping $$(1+t)^{-\beta }$$ ( 1 + t ) - β $$(-1\le \beta <1)$$ ( - 1 ≤... | Weighted energy method for semilinear wave equations with time-dependent damping | 10.1007/s00028-023-00908-9 |
2023-08-12 | This article discusses an alternative way of evaluating the roll damping coefficient and natural frequency of a floating body. Experimental values are required for the data assimilation process. In this study rather than performing an actual experiment, pseudo-experimental values were derived through computational flui... | Estimation of ship roll damping and natural frequency using an extended Kalman filter applied to URANS output | 10.1007/s12046-023-02232-x |
2023-08-12 | In the vehicle suspension system field, smart materials are contributing their top-notch characteristics in building up magneto-rheological (MR) dampers. Though MR fluid has good characteristics to absorb shock, sedimentation problem is a significant issue while performing an MR damper. MR grease eliminates the sedimen... | An FEA and CFD coupled numerical analysis approach for characterizing magneto-rheological (MR) grease damper | 10.1007/s12046-023-02196-y |
2023-08-11 | In the context of damped second order linear dynamical systems, we study the asymptotic behavior of a time discretization of a slowly damped differential equation. We prove that this discretization can be constructed by means of a variable time step that gives rise to the same asymptotic behaviour as for the system in ... | Asymptotic Behavior of an Adapted Implicit Discretization of Slowly Damped Second Order Dynamical Systems | 10.1007/s00245-023-10027-z |
2023-08-02 | In this study, an outdoor automated guided vehicle (AGV) with an absorbent vibration system was designed, and a 7-degrees of freedom (DOF) model was established for this system. We built a simulation model in Simulink software that serves as the 7-DOF model. The three indicators for evaluating the stability of the AGV ... | Dynamics model and simulation of outdoor AGV obstacle crossing without 3D model | 10.1007/s00170-023-12056-y |
2023-08-01 | Previous earthquakes have been shown that the direction of the bridge relative to the direction of the faulting might have a significant effect on its vulnerability. So, in some cases it is necessary to pay special attention to control the behavior of the bridge at least in one direction. In this study, the reduction o... | Optimal design of TMDs to reduce the longitudinal seismic response of the suspension bridges | 10.1007/s40435-022-01062-9 |
2023-08-01 | Abstract The worst disturbance problem for an oscillator with quadratic-law damping is stated. The role of the disturbance is played by an external force applied to the oscillator. It is assumed that this force acts in one direction, that the integral of this force with respect to time is given, and that at the initial... | The Worst Disturbance of an Oscillator with Quadratic-Law Damping by Means of a Force with a Given Integral | 10.1134/S1028335823080013 |
2023-08-01 | Abstract The task of angular orientation and stabilization of a space structure during its assembly in orbit is solved. The structure includes elastic elements that are installed during the assembly process. The elastic elements of the structure have no sensors to obtain information about their deformation parameters. ... | Angular Motion Control of a Large Space Structure with Elastic Elements | 10.1134/S0005117923080076 |
2023-08-01 | We show that the damping of plasmons in metallic nanoparticles highly exceeds that caused by scattering of electrons on defects, phonons, and other electrons and on boundaries of particles. The radiation losses in far-field zone due to the Lorentz friction is especially high at nanometre scale of metal confinement (e.g... | On Damping of Plasmons and Plasmon-Polaritons in Metallic Nanostructures and Its Influence onto Numerical Simulations | 10.1007/s11468-023-01838-5 |
2023-08-01 | The open viscous damper installation configuration is a novel configuration that compensates for the vision obstruction present in conventional configurations and meets the artistic and serviceability requirements of buildings. The additional damping ratio of a structure is an important parameter in the design of visco... | Calculation of the Displacement Magnification Factor for Open Viscous Damper Installation Configurations Considering the Structural Shear-Bending Deformation | 10.1007/s40996-023-01038-5 |
2023-08-01 | Clarifying how radial gap affects the vibration characteristic of a disc-like structure is of importance in engineering applications, such as in evaluating the operational stability of a runner of a pump turbine. In the present investigation, the runner is simplified as a disc, and a physical experiment is designed on ... | How the radial gap affects the runner’s hydrodynamic damping characteristic of a pump-turbine: A physical experiment on a rotating disc | 10.1007/s42241-023-0058-3 |
2023-08-01 | One of the major challenges that countries all over the world are dealing with is their generated waste. Most of the research in the past few decades also focuses on the bulk utilization of this existing waste for different applications. This study focuses on the utilization of a part of municipal solid waste, i.e., MS... | Study on cyclic strength and pore water pressure response of fiber-reinforced municipal solid waste (MSW) fines | 10.1007/s11440-023-01818-3 |
2023-08-01 | Abstract The In this paper, we study the forced flexural vibrations caused by time-harmonic concentrated loads on a transversely isotropic thin rectangular plate (TRP) with a memory-dependent derivative (MDD).This study not only considered the size effect but also studied the memory, mechanical, and thermal field effec... | Forced Flexural Vibrations due to Time-Harmonic Source in a Thin Nonlocal Rectangular Plate with Memory-Dependent Derivative | 10.3103/S0025654423600538 |
2023-08-01 | Powder Bed Fusion (PBF) enables the production of complex geometries which offer the opportunity to manufacture lightweight, stiffness-optimised or integrally designed components. Although these properties are usually advantageous for the performance in many applications, they pose disadvantages under vibration as they... | Forced-response characterization of PBF-LB/AlSi10Mg particle dampers with thin and flat cavities | 10.1007/s40964-023-00428-5 |
2023-08-01 | Abstract We designed and tested experimentally an acoustooptical modulator on a TeO_2 crystal for the frequency range 200–570 MHz with acoustic mode conversion upon reflection from the skew face of the acoustooptical cell. The modulator operated with a collimated light beam of diameter ~ 0.8 mm without beam focusing. W... | High-Frequency Acoustooptical Modulator with Acoustic Mode Conversion | 10.3103/S1068335623140051 |
2023-08-01 | Torsional vibration is prevalent in rotating mechanical systems such as powertrain transmission. It is a hot spot in current torsional vibration control research to effectively suppress torsional vibration of the system by implementing adaptive torsional dampers with adjustable parameters. The current research focuses ... | Magneto-rheological variable damping and variable stiffness torsional vibration control of powertrain transmission | 10.1007/s12206-023-0705-1 |
2023-08-01 | A vehicle’s solenoid valve-actuated shock (SVSA) absorber is of wide interest because of its adjustable damping characteristics. The proportional solenoid valve is a pivotal component for commanding damping force, but the research on its model principle still needs to be improved. Therefore, this research aimed to esta... | Modeling and testing for continuously adjustable damping shock absorber equipped with proportional solenoid valve | 10.1007/s12206-023-0701-5 |
2023-08-01 | The characteristics of a dissipative dust ion acoustic soliton in a collisional dusty plasma consisting of ions, superthermal electrons, and negatively charged static dust particles are analyzed. The damped Korteweg-de Vries (DKdV) equation is obtained by applying the reductive perturbation technique to the fluid equat... | Managing strong ion-neutral collision in dusty plasmas | 10.1007/s12648-023-02635-w |
2023-07-28 | The stochastic resonance (SR) phenomenon for a second-order fractional-damping nonlinear system driven by multiplicative colored noise and additive white noise is investigated. Applying generalized harmonic function technique, based on detailed balance condition and two-state theory, the output spectral amplification (... | Effect of fractional-damping and multiplicative colored noise on stochastic resonance for a second-order nonlinear system | 10.1007/s10773-023-05430-9 |
2023-07-22 | Cementitious coarse-grained soils are widely used as filling materials in infrastructure projects such as high-speed railway subgrades, earth dams, and highway bases, due to their excellent strength, stiffness, and stability performances. This study conducted unconfined compression tests on fine-grained soils first to ... | Experimental study on static and dynamic characteristics of geopolymer-stabilized coarse-grained soils | 10.1007/s11440-023-01876-7 |
2023-07-19 | Purpose In response to the difficulty of dynamic vibration absorber (DVA) to realize the broadband vibration reduction of large marine mechanical equipment, an air spring dynamic vibration absorber (ASDVA) was proposed, then its damping and vibration absorption performance were studied. Methods A piecewise integral met... | Research on Damping and Vibration Absorption Performance of Air Spring Dynamic Vibration Absorber | 10.1007/s42417-023-01083-4 |
2023-07-19 | The dispersion relation and Landau damping rate of dust-acoustic waves (DAWs) are studied by the incorporation of Poison–Vlasov model of the kinetic theory of plasmas. The real and imaginary frequencies of DAWs are obtained in a three-component plasma i.e., electrons, ions and dust grains. The electrons are taken as hy... | On dispersion and damping rates of dust-acoustic waves in hybrid non-thermal Vasyliunas–Cairns distributed plasmas | 10.1007/s12036-023-09963-7 |
2023-07-17 | Purpose One of the key challenges in the research of phononic crystals is achieving small-size control of large wavelengths, which means obtaining low-frequency band gaps with relatively small lattice dimensions. Previous studies have mostly been unsatisfactory in this regard. To obtain lower starting frequencies and m... | Low-Frequency Ultrawide Band Gap Study of Symmetric Conical Scatterer Phononic Crystal | 10.1007/s42417-023-01077-2 |
2023-07-17 | In this paper, a multi-objective optimization process is used to design and optimize a semi-active hybrid electromagnetic suspension system. To control the performance of the vehicle, the magnetorheological (MR) damper modeled by Bouc–Wen model is utilized in semi-active suspension that its energy is supplied from harv... | Multiobjective optimization for semi-active electromagnetic vehicle suspensions | 10.1007/s40430-023-04347-y |
2023-07-17 | Purpose In the present research paper, a dual annular duct (DAD) MR damper is considered, which is having a primary flow duct between the cylinder-piston head and the second one through the piston head. DAD damper is a combined mode model consisting of two annular gaps where the outer one experiences relative shearing ... | Characterization of Dual Annular Duct MR Damper with Numerical and Computational Approach | 10.1007/s42417-023-01073-6 |
2023-07-17 | Introduction The impact of vibrations excited by incident sound fields has become a major concern today, due to its influence on the performance of systems and installations. Vibrations have the potential to cause considerable dynamic disturbances and instabilities, which can lead to significant structural and function... | Vibroacoustic Analysis in the Thermal Environment of PCLD Sandwich Beams with Frequency and Temperature Dependent Viscoelastic Cores | 10.1007/s42417-023-01065-6 |
2023-07-13 | In this paper, we investigate the initial boundary value problem of the following nonlinear extensible beam equation with nonlinear damping term $$\begin{aligned} u_{t t}+\Delta ^2 u-M\left( \Vert \nabla u\Vert ^2\right) \Delta u-\Delta u_t+\left| u_t\right| ^{r-1} u_t=|u|^{p-1} u \end{aligned}$$ u tt + Δ 2 u - M ‖ ∇ u... | Blow-Up Phenomena for a Class of Extensible Beam Equations | 10.1007/s00009-023-02469-0 |
2023-07-10 | This paper presents the issue of the Sub-synchronous resonance (SSR) phenomenon in a series compensated DFIG-based wind power plant and its alleviation using a Battery Energy Storage-based Damping Controller (BESSDC_L). A supplementary damping signal is developed considering the angular speed deviation and is incorpora... | Battery energy storage-based system damping controller for alleviating sub-synchronous oscillations in a DFIG-based wind power plant | 10.1186/s41601-023-00309-7 |
2023-07-07 | Anti-seismic devices are employed to implement the best performance of the structures under earthquakes. In this paper, semi-active tuned mass dampers (SA-TMDs) are studied by considering several combinations of variable friction forces and external disturbances. The variable damping model is used, where the goal consi... | Semi-active tuned mass dampers under combined variable actions of friction forces and external disturbances | 10.1007/s12517-023-11567-y |
2023-07-05 | This paper analyzes the influence of three different shape memory alloy (SMA) wires (i.e., Ni-Ti, Cu-Al-Ni, and Cu-Zn wires) for mitigating model cable vibration. Shape memory alloy (SMA) wires because of their superelasticity or shape memory properties can promise to be one of the effective damping materials in suppre... | Efficacy of SMA Wire in Vibration Suppression of a Stay Cable: An Experimental Investigation | 10.1007/s11665-023-08472-6 |
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