publicationDate stringlengths 10 10 | abstract stringlengths 0 37.3k | title stringlengths 1 5.74k | doi stringlengths 11 47 ⌀ |
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2023-01-01 | The damping due to liquid viscosity and free surface contamination in the tuned liquid damper (TLD) is often insufficient to dissipate the vibrational energy that is transferred to the damper from the primary structure during their dynamic interaction. Installation of flow damping devices (FDDs) in the TLD can enhance ... | Enhanced Damping in a TLD by Slat Screens and Horizontal Baffles: A Comparative Study | 10.1007/978-981-19-3266-3_22 |
2023-01-01 | This chapter describes the basic theory of vibration. It starts with undamped single-degree-of-freedom (SDOF) systems in translation and torsion and equations of motion are derived. Various damping models used for dissipation of energy are described. Forced vibration equations without damping and with viscous and struc... | Theory of Vibration | 10.1007/978-3-031-03968-3_2 |
2023-01-01 | Energy-bound forming machines such as forging hammers tend to vibrate due to abruptly applied process forces, which is particularly noticeable in form of intense vibrations of the machine environment. This paper presents a new concept of shock absorbers for forming machines, using dampers filled with magnetorheological... | Adaptable Press Foundation Using Magnetorheological Dampers | 10.1007/978-3-031-18318-8_36 |
2023-01-01 | Compared with the voltage source inverter, the current source inverter has the boosting characteristics, and the AC side does not need a complex and bulky filter unit, but it also has the problem of current control of the DC energy storage inductor. This paper studies the control strategy of a single-phase five-switch ... | Single-Phase Grid-Connected Current Source Inverter Based on Control of DC-Link Current | 10.1007/978-981-99-0631-4_111 |
2023-01-01 | In recent studies, laser powder bed fusion (LPBF) additive manufacturing has created structural beam components possessing internal pockets containing unfused metallic powder. Compared to fully fused beams, these pocketed beams have demonstrated a remarkable improvement in damping performance, suppressing vibrations by... | Effects of Internal Particle Damper Thickness and Location on Damping Sustainability of Additively Manufactured Nickel Alloy Beams | 10.1007/978-3-031-17453-7_10 |
2023-01-01 | Metastructures, a metamaterial-type structure designed with distributed vibration absorbers, are a growing development in the area of passive vibration suppression. Previous research has shown that it is possible for vibration absorbers to be introduced into a structure for broadband vibration suppression without intro... | Experimental Verification of 1D Lumped Parameter Model of Mass-Conserved Metastructure | 10.1007/978-3-031-05445-7_17 |
2023-01-01 | Damping of vibration is an effective approach mostly utilized in mechanical systems to control and reduce excess vibrations. Vibrational energy is dissipated due to impact, energy exchange, and friction between the gear body and the impact mass (particles). Hence, particle impact damping techniques are employed in engi... | Data Visualization of Vibration in the Gearbox to Study Particle Damping Using Tableau Platform | 10.1007/978-981-19-6945-4_80 |
2023-01-01 | This chapter deals with two case studies in which waste tires were used to protect embankments. The first one is related to a series of forensic and laboratory investigations of an existing retain wall made of tires, which did not suffer any damage neither by earthquake nor by tsunami during the 2011 Off the Pacific Co... | Applications of Waste Tires for Protection of Embankments in Northern and Northeastern Japan | 10.1007/978-981-19-3322-6_10 |
2023-01-01 | Under cyclic fatigue loading, cyclic-dependent damage mechanisms affected the vibration damping of fiber-reinforced ceramic-matrix composites (CMCs). In this chapter, a cyclic-dependent vibration damping model of fiber-reinforced CMCs was developed. Combining cyclic-dependent damage mechanisms, damage models, and dissi... | Cyclic-Dependent Vibration Damping of Ceramic-Matrix Composites | 10.1007/978-981-19-7838-8_6 |
2023-01-01 | Seismic isolation has become increasingly popular due to the excellent performance observed in buildings during past earthquakes. The seismic response of isolated structures to earthquake input is strongly controlled by the force-deformation constitutive behavior of the isolators. High Damping Rubber Bearings (HDRBs) a... | Bidirectional Model for Shear Behavior of High Damping Rubber Bearings | 10.1007/978-3-031-21187-4_13 |
2023-01-01 | This chapter gives a general introduction to three-wave instabilities in plasmas. It provides a simple physical picture of instabilities, and a full list of all three-wave instabilities that can occur in plasmas (each of which will be described in more detail in Chaps. 7 , 8 , and 10 ). It provides the main tools used ... | Introduction to Three-Wave Instabilities | 10.1007/978-3-031-23424-8_6 |
2023-01-01 | In the dynamics of a non-ideal anisotropic gyroscopic rigid rotor, the Sommerfeld effects and the effect of linear and nonlinear cubic damping on them are investigated. The equations of motion based on the second kind Lagrangian equations are solved by the method of small perturbation theory, resulting in non-stationar... | The Sommerfeld Effect in a Non-ideal Anisotropic Gyroscopic Rotor System and the Effect of Nonlinear Damping | 10.1007/978-3-031-45705-0_82 |
2023-01-01 | This paper reports a comparative influence of the two different types of loading mechanisms on the frequency-dependent dynamic properties of the cohesionless Brahmaputra sandy soil. The shear modulus and damping ratio of the chosen soil are largely influenced by the loading frequencies of the two different testing type... | Frequency-dependent Dynamic Properties of Saturated Brahmaputra River Sand Based on Cyclic Triaxial Tests | 10.1007/978-981-99-0081-7_6 |
2023-01-01 | The slug flow is one of the most complex flow patterns due to the unstable behavior of phase distribution. This pattern occurs in a wide range of flow rates and therefore is observed in different industrial processes. The prediction and understanding of the hydrodynamic parameters of this flow regime have a significant... | The Turbulence Damping Effect on the Slug Flow Modeling | 10.1007/978-3-031-25990-6_2 |
2023-01-01 | Although the detrimental effects of the low temperature condition on the seismic performance of High Damping Rubber (HDR) bearings are known by the past studies, influence on the dynamic response of structural systems with HDR bearing application and evaluation of consequent seismic performance reduction are yet to be ... | Hybrid Simulation for Seismic Isolation Effectiveness Assessment of HDR Bearings at Low Temperature | 10.1007/978-3-030-93236-7_26 |
2023-01-01 | Here we present an analysis of dynamic errors which occurs in mechanical systems of weighers, equipped by a quadrant balancing mechanism as a function of time, when the weighing system moves freely while materials are shocklessly loaded into the hopper. This article considers the mechanical system of dispensers, discus... | Mathematical Model of the Dynamics of the Balancing Mechanism of the Weighing System of the Batcher | 10.1007/978-3-031-14125-6_37 |
2023-01-01 | One of the renewable energy devices in development is the oscillating water column (OWC) which utilizes the movement of ocean waves on a partly immersed section consisting of air–water subsections to harvest ocean wave energy. Several critical parameters such as pressure and free surface velocity, along with free surfa... | Numerical Validation of Power Take-Off Damping in An Owc Chamber and Modifications for Increased Efficiency | 10.1007/978-981-19-3379-0_32 |
2023-01-01 | Roll damping is probably the most intriguing of the components of hydrodynamic reaction in ship dynamics. It is also a problematic one—small, nonlinear, difficult to measure or predict and crucially, a key determinant of ship stability. Undoubtedly, some of the problems in computing or predicting roll damping are intri... | A Pragmatic Approach to Roll Damping | 10.1007/978-3-031-16329-6_30 |
2023-01-01 | The manuscript is based on a talk given by the author in a workshop of Control & Inverse problems in Monastir from May 9 to May 11, 2022. This note is an invitation to the microlocal method for the wave stabilization problem, with particular emphasis on the result by Sun (Sharp decay rate for the damped wave equations ... | Revisit the Damped Wave Equation | 10.1007/978-3-031-35675-9_14 |
2023-01-01 | This work is the next of a series on vibrations of non-homogeneous structures. It addresses the lateral harmonic forcing, with spatial dependencies, of a two-segment damped Timoshenko beam. In the series, frequency response functions (FRFs) were determined for segmented structures, such as rods and beams, using analyti... | Forced Vibrations of Damped Non-homogeneous Timoshenko Beams | 10.1007/978-3-031-05415-0_2 |
2023-01-01 | Particle impact damper (PID) is an emerging passive damping technology with significant advantages over other passive damping systems. It is not commonly used in practice because of its low damping rate compared to the common viscous damper. Owing to various nonlinear phenomena present in the impact damping process, th... | A Hybrid Damper with Particle Impact Damper and Coulomb Friction Designed for Free Vibration Damping | 10.1007/978-3-031-39109-5_56 |
2023-01-01 | It has been known that the hysteretic behavior of High Damping Rubber (HDR) bearings is significantly affected by low ambient temperature, while the restoring force gradually reduces under repeated cyclic loading due to self-heating of the rubber material. For seismic response simulation of isolated bridges in cold reg... | A Thermo-Mechanical Coupled Model of Hysteresis Behavior of HDR Bearings | 10.1007/978-3-030-93236-7_27 |
2023-01-01 | Although being rarely categorised as “smart”, bulk materials seem to be useful for attenuating vibrations due to their nontypical dissipating properties, when subjected to underpressure. Granules in a typical particle impactor are free to move and collide. On the contrary, the proposed prototype beam, with a core fille... | Rheological Model and Parameter Identification of a Kinetic Sand Used as a Smart Damping Material | 10.1007/978-3-030-93236-7_54 |
2023-01-01 | Modern hydraulic shock absorbers display a wealth of nonlinear effects such as hysteresis and instabilities at high flow rates. Despite their wide application in practically all vehicles, both on- and off-road, a universal analytical model that captures the essential shock absorber dynamics and compressibility effects ... | A universal nonlinear model for the dynamic behaviour of shock absorbers | 10.1007/s11071-022-07896-4 |
2023-01-01 | In this chapter, a review of the optimum design of passive and active tuned mass dampers for structures is presented. Metaheuristics have been often used in the optimum design of tuned mass dampers. As an example, an improved harmony search algorithm is presented for the optimum design of active tuned mass dampers (ATM... | Review of Tuning Mass Dampers and Application of Improved Harmony Search | 10.1007/978-981-99-2378-6_1 |
2023-01-01 | In the present paper, the problem on numerical dynamic simulation of bending structural elements made of orthotropic materials, such as composites and nanomaterials, is considered. The modeling of damping properties of such materials, including those that are initiated by internal friction in the material, is of partic... | A Modified Implicit Scheme for the Numerical Dynamic Analysis of Beam Elements Considering Nonlocal in Time Internal Damping | 10.1007/978-3-031-21120-1_22 |
2023-01-01 | This contribution introduces a one-mass oscillator subject to passive and active vibration isolation. In this context, passive means that the vibration isolation behavior only depends on preset inertia, damping, and stiffness properties. Active means that additional controlled forces change and adapt the damping proper... | Comprehensive Testing Environment to Evaluate Approaches in Uncertainty Quantification for Passive and Active Vibration Isolation | 10.1007/978-3-031-04090-0_11 |
2023-01-01 | This paper proposes a novel hybrid tuned mass damper (TMD) and tuned liquid damper (TLD) system (TMD + TLD) for vibration control of multi-degree of freedom structures under seismic excitations. The proposed system is introduced using equations of motions of a five-degree of freedom structure which is modeled as a shea... | Seismic resilience enhancement of MDOF systems utilizing a hybrid TMD-TLD | 10.1007/s10518-022-01531-8 |
2023-01-01 | The modern maritime industry is moving toward the development of technology that will allow for full or partial autonomy of ship operation. This innovation places high demands on ship performance prediction techniques at the design stage. The research work presented in the article is related to the design stage of the ... | Identification of Ship’s Hull Mathematical Model with Numerical Methods | 10.1007/978-3-031-35173-0_31 |
2023-01-01 | To fulfill the high requirement of safety and comfort in automobiles, many new technologies are applied in suspension system. Damper acts an important role in suspension system for eliminating vibration. Bingham model of magneto-rheological (MR) damper is proposed for obtaining the control forces. In this work, proport... | Fuzzy Logic-Based PID Controller Design for Car Suspension System with Magneto-Rheological Damper | 10.1007/978-981-19-7709-1_9 |
2023-01-01 | The level of the vibrations and the presence of instability are the two most critical aspects regarding the operations of turbomachinery. To cope with this issues that may compromise the operation of the machines, squeeze film dampers (SFD) are often used in many industrial applications. Unfortunately, many complex phe... | Application of Squeeze Film Dampers | 10.1007/978-3-031-32394-2_8 |
2023-01-01 | These days the power framework is vigorously stacked, because of the steady interest for power which causes shakiness. There might be lacking and successful energy. This paper discloses the appropriate method for making up for the productive and successful power and decreases the motions in the multi-machine framework ... | Enhancement of Power System Stability and Damping Oscillation in a Multi-Machine System Using SSSC | 10.1007/978-981-19-2764-5_24 |
2023-01-01 | The active power-frequency control of the traditional virtual synchronous generator (VSG) will produce out power error from the droop control due to the introduction of damping, so VSG would not meet the requirements of dynamic active power damping and the primary frequency modulation of the power grid at the same time... | Research on Optimal Control Strategy of VSG Damping Loop Based on MMC | 10.1007/978-981-99-1439-5_7 |
2023-01-01 | Automobile suspension has moving structural elements interconnected by elastic links. Oscillatory processes in the suspension of a vehicle occur when the wheels interact with the road. Depending on the speed of the vehicle, the frequency of vertical vibrations of the moving masses of the suspension also changes. Any me... | Resonance Phenomena in Vehicle Suspension | 10.1007/978-3-031-38126-3_63 |
2023-01-01 | Hammer foundation is a system commonly used in engineering works and consists of a foundation system on which an anvil is housed and on the anvil a ram is allowed to fall from a specified height in controlled manner for stamping works. The present design procedure for hammer foundation (IS 2974-Part 2: Foundations for ... | Role of Damping in Response of Hammer Foundation | 10.1007/978-981-19-6998-0_48 |
2023-01-01 | Railroad train is an important transportation for modern travelling. In order to provide convenience for passengers, in particular for people who are disabled or carry large luggage, a hydraulic height adjustment system was designed. This system is equipped in the secondary suspension system to raise up or draw down ca... | Design and Simulation of the Hydraulic System for Height Adjustment of Carriages | 10.1007/978-981-99-6847-3_6 |
2023-01-01 | In IoT, energy dissipation reduction is an essential requirement for achieving high-performance sensors and communication devices. Among the various energy dissipations that limit the performance of IoT devices, thermoelastic energy dissipation is a crucial one which seems to be laborious to control. In thermoelastic d... | Thermoelastic Energy Dissipation Trimming at High Temperatures in Cantilever Microbeam Sensors for IoT Applications | 10.1007/978-981-99-2322-9_19 |
2023-01-01 | A nonlocal study of the vibration responses of functionally graded (FG) beams supported by a viscoelastic Winkler-Pasternak foundation is presented. The damping responses of both the Winkler and Pasternak layers of the foundation are considered in the formulation, which were not considered in most literature on this su... | Unified two-phase nonlocal formulation for vibration of functionally graded beams resting on nonlocal viscoelastic Winkler-Pasternak foundation | 10.1007/s10483-023-2948-9 |
2023-01-01 | Using the kinetic theory approach, a theoretical investigation has been made to study the electron acoustic waves (EAWs) in non-thermal plasma. The dispersion relation $$\omega _{r}$$ ω r and Landau damping rate $$\gamma $$ γ for Langmuir waves (LWs) and electron acoustic waves (EAWs) are derived in a three component (... | The Study of Electron Acoustic Waves (EAWs) in Non-thermal Plasma | 10.1007/s13369-022-07043-6 |
2023-01-01 | In this work we present a control architecture to reduce the vibration of the tower of a wind turbine (WT) using the pitch angle. The parameters of the active tower damping (ATD) control are optimized by the simulated annealing algorithm, which imitates the physical process of steel hardening. To validate the approach,... | Pitch-Based Wind Turbine Tower Vibration Damping Optimized by Simulated Annealing | 10.1007/978-3-031-18050-7_51 |
2023-01-01 | Although seismic isolation techniques have been widely recognized as effective in modifying the seismic response of protected structures, clearance parts to accommodate the large relative displacement anticipated in seismic design are likely to encounter pounding problems. In most cases, the pounding is unpredictable a... | Parameter Estimation for Seismic Isolation Structures in the Presence of Pounding Problems by Unscented Kalman Filter | 10.1007/978-3-031-39117-0_61 |
2023-01-01 | Traditional machine tools with cast iron or cast steel structures experience structural vibrations, resulting in the poor surface finish on manufactured components. The static and dynamic characteristics of machine tools are improved by steel-reinforced epoxy granite. Topology optimization is a mathematical approach fo... | Multi-objective Topology Optimization of Steel Reinforcement for Epoxy Granite VMC Column | 10.1007/978-981-19-4556-4_28 |
2023-01-01 | Composites are extensively used in various fields such as civil, aerospace, naval due to their high specific stiffness and strength. These properties are adversely affected due to damage. For damage detection, vibration-based methods are generally used which use modal parameters, i.e. modal frequencies, mode shapes and... | Mode Specific Damping Estimation—An Inverse Damping Modelling Technique | 10.1007/978-981-19-9394-7_22 |
2023-01-01 | Background Metal lattice structures obtained through Selective Laser Melting may increase the strength-to-weight ratio of advanced 3D printed parts, as well as their damping properties. Recent experimental results showed that AlSi10Mg and AISI 316L lattices are characterized by higher Rayleigh damping coefficients with... | Influence of the Experimental Setup on the Damping Properties of SLM Lattice Structures | 10.1007/s11340-022-00898-8 |
2023-01-01 | Deformation history integral type hysteresis (DHI) model is a numerical model for seismic isolation bearing which has high non-linearity in restoring force characteristics, such as high-damping rubber bearing (HDR). While the model can represent the complex behavior of HDR including performance change by temperature, a... | Development of an Improved Deformation History Integral Type Hysteresis Model for High-Damping Rubber Bearings | 10.1007/978-3-031-21187-4_14 |
2023-01-01 | In this talk, a piezoelectric shunt damping is introduced to an acoustic black hole beam to form an acoustic black hole (ABH) piezoelectric composite structure, and its vibration characteristics are analyzed by a semi-analytical method. Based on the Hamilton principle, the Mexican hat wavelet is used as the shape funct... | Vibration Suppression of Acoustic Black Hole Beam by Piezoelectric Shunt Damping with Different Positions | 10.1007/978-3-031-15758-5_101 |
2023-01-01 | The article considers the need to implement dynamic modes - acceleration and deceleration by lifting mechanisms, with given restrictions on speed, acceleration, and its derivative. The optimal diagram was presented according to the criterion of the maximum speed for the lifting mechanism. Also, the optimal movement dia... | Vibration Damping of Lifting Mechanisms | 10.1007/978-3-031-16651-8_38 |
2023-01-01 | This paper attempts to predict the response of a rotor-bearing system with external damping by training a neural network model using the frequency domain historical data obtained from multiple simulations. In general prediction of response for a rotor dynamic system is performed by detailed finite element modeling and/... | Vibration Response Prediction in Rotor Systems with External Damping by Deep Learning Using Geometrical Features | 10.1007/978-981-99-4721-8_17 |
2023-01-01 | The 1915 Çanakkale Bridge is a recently completed suspension bridge, characterized by a main span of 2023 m which is the world’s record. The bridge restraint system is quite complex in order to guarantee safety under traffic, wind and seismic actions. It comprises 8 fluid viscous dampers, 4 large bearings designed to w... | Fluid Viscous Dampers for the 1915 Çanakkale Bridge in Turkey | 10.1007/978-3-031-21187-4_40 |
2023-01-01 | Semi-active suspension systems utilizing magneto-rheological damper have been used especially in the vehicle due to their simple design and control with the effective outcome. Nevertheless, the FL controller design without considering the intelligent algorithm utilizing the FL gain scaling leads to the undesirable cond... | Fuzzy Logic Controller by Particle Swarm Optimization Discoverer for Semi-Active Suspension System | 10.1007/978-981-19-8703-8_17 |
2023-01-01 | Some mathematical tools, needed to perform stability and bifurcation analysis, are introduced. After a brief introduction to general dynamical systems, the discussion is focused on mechanical systems. The nonlinear equations of motion of a general system are introduced and then expanded in series. Structural and geomet... | Stability and Bifurcation Linear Analysis | 10.1007/978-3-031-27572-2_3 |
2023-01-01 | The presence of moisture in historic masonry walls represents one of the main sources of decay for cultural heritage and materials, besides causing unhealthy indoor conditions and worsening the thermal performance of the building envelope. In fact, moisture causes and/or exacerbates different deterioration mechanisms, ... | New Sensors for Moisture Monitoring in Historic Walls: Preliminary Results | 10.1007/978-3-031-21735-7_87 |
2023-01-01 | To alleviate the detrimental diagonal bracing effect of the traditional rigid-connected reinforced concrete (RC) flight to the boundary frame under lateral inputs, the study proposes an innovative low-damage stair system: prefabricated RC stair isolated by high damping rubber (HDR) bearings. The remarkable properties o... | Seismic behavior of prefabricated reinforced concrete stair isolated by high damping rubber bearings | 10.1007/s10518-022-01548-z |
2023-01-01 | This chapter presents the most basic oscillator model, the simple harmonic oscillator. We introduce the concept of the phase plane and extend our discussion to the damped and driven simple harmonic oscillator models. We consider the relationship of the quality factor to the rate of change of the oscillator energy and t... | Basics of LC Oscillators | 10.1007/978-3-031-31086-7_1 |
2023-01-01 | There will be vibrations caused by friction between the rotating workpiece and the insert on the boring bar during the boring process. Vibrations that occur in the workpiece can be suppressed with a Dynamic Vibration Absorber (DVA). Therefore, the boring process produces a rough surface and damages the components of th... | Analysis of Vibration Characteristics Due to the Effect of Adding Rubber Radial Vibration Damper (RRVD) to the Boring Process | 10.1007/978-981-19-0867-5_9 |
2023-01-01 | Floating bridges are efficient and rapid solutions in crossing water gaps when the conditions are not suitable or economic for the construction of other conventional bridge systems. Using floating bridges is promoted to be a good solution in various applications such as rapid disaster relief, military gap crossing oper... | Dynamic Response Calibration of Hybrid Floating Bridge System Using Rayleigh Damping | 10.1007/978-3-031-09409-5_3 |
2023-01-01 | In this paper, a novel truss-inertial mass damper (IMD) system is developed for seismic response mitigation of atrium buildings with an internal structure. An IMD with nonlinear damping characteristic is introduced to provide passive vibration control, and the unsynchronized dynamic response between the tops of the bui... | Seismic Response Mitigation of Atrium Buildings with Truss-IMD System | 10.1007/978-981-19-7331-4_14 |
2023-01-01 | This chapter, the third chapter of the “Infection” part, presents some aspects of host immune defense against pathogens by focusing on damage-associated molecular patterns (DAMPs), which—in concert with microbe-associated molecular patterns (MAMPs)—drive innate and adaptive immune responses in infections. Both categori... | The DAMP-Driven Host Immune Defense Program Against Pathogens | 10.1007/978-3-031-21776-0_4 |
2023-01-01 | In the maintenance of cable structures, such as cable-stayed bridges and extra-dosed bridges, it is necessary to estimate the tension acting on the cables. The safety of a cable is assessed by comparing the tension acting on the cable and the allowable value. In current Japanese practice, the tension of a cable is esti... | Tension Estimation Method for Cable with Damper and Its Application to Real Cable-Stayed Bridge | 10.1007/978-3-030-93236-7_32 |
2023-01-01 | Limewashes have been used as finishing coats for walls since ancient times. Its protective, aesthetic, antiseptic properties and cost-efficiency are the ground for its worldwide application. The main drawback of lime-based paints is their low durability towards the action of water, particularly wind-driven rain. Additi... | Limewashes with Vegetable Oils: Water Transport Characterisation | 10.1007/978-3-031-31472-8_12 |
2023-01-01 | Current design practices for base-isolated structures generally conduct in plane time-history analysis using a single horizontal seismic component of the ground motion. However, base-isolated structures are subjected to bi-directional horizontal ground motion. So, some error included in the evaluation of the maximum di... | Effect of Bi-directional Ground Motion on the Response of Base-Isolated Structures with U-Shaped Steel Damper | 10.1007/978-3-031-36562-1_16 |
2023-01-01 | In this work, linear and nonlinear vibration analyzes of a drum type washing machine having two springs and two dampers have been performed numerically. The effects of parameters such as linear spring stiffness, nonlinear spring stiffness, and damping coefficient have been investigated. A mathematical model of horizont... | Numerical Study of a Horizontal Axis Washing Machine for Linear and Nonlinear Vibration | 10.1007/978-981-19-2188-9_70 |
2023-01-01 | This paper presents a new Stiffness Relaxation method of the classic Bouc-Wen hysteresis model, used to simulate the hysteresis loop of Romanian friction dampers SERB-C-194 in seismic analysis of buildings equipped with this type of seismic dampers. The classic model does not accurately simulate the hysteresis loop of ... | Software Application for Stiffness Relaxation New Method of Bouc-Wen Hysteresis Differential Model Used in Simulation of Romanian Friction Dampers | 10.2991/978-94-6463-152-4_61 |
2023-01-01 | In this paper, we estimated the hydrodynamic force in an array of cantilever beams separated by a distance $$\bar{s}$$ s ¯ oscillating in a viscous fluid. The beam is assumed to be sufficiently long to consider 2D flow and has symmetric as well as asymmetric shape morphing curvature while oscillating in a fluid. The fl... | Two-Dimensional Hydrodynamic Forces in an Array of Shape-Morphed Cantilever Beams | 10.1007/978-3-031-20353-4_18 |
2023-01-01 | The new cable-stayed arch bridge Tegenbosch (Eindhoven, the Netherlands) needed an assessment of its dynamic behaviour under wind loading due to its slender design. Because of wind-induced vibration issues on a number of bridges in the Netherlands with similar designs, it was decided to examine if vortex excitation, wi... | Vibration Measurements on a Cable-Stayed Cyclist Arch Bridge for Assessment of the Dynamic Behaviour | 10.1007/978-3-030-93236-7_12 |
2023-01-01 | Even though there are so many studies upon optimization of supplemental damping devices integrated to structural systems, the vast majority of them remain only as a subject of the research articles of the Journals and cannot find a place itself in common practice due to lack of the regulations about the issue in codes ... | Application of the Gradient Based Optimization to the Structural Systems with the Supplemental Damping Devices | 10.1007/978-3-031-21187-4_41 |
2023-01-01 | Piezoceramic (PZT) layers are more widely used as vibration energy harvesters. These materials have found a greater application both in actuation and sensing. In this study, the characterization of energy output from optimally located PZT under base excitation and force excitation is investigated and experimentally cor... | Enhanced Energy Harvesting Application of Piezoceramics (PZT) in MEMS Devices | 10.1007/978-981-99-4721-8_4 |
2023-01-01 | Accurate prediction of roll damping moments of ships is important to predict roll responses accurately. A method for estimating the roll damping moment in the time domain is necessary for estimating parametric rolling and other phenomena in irregular waves. In this paper, we investigate the characteristics of the roll ... | Study on Bilge Keel Component of Roll Damping for Non-periodic Motion | 10.1007/978-3-031-16329-6_28 |
2023-01-01 | In this chapter, the temperature-dependent vibration damping in C/SiC composites with different fiber preforms under different vibration frequencies was investigated. A micromechanical temperature-dependent vibration damping model was developed to establish the relationship between composite damping, material propertie... | Temperature-Dependent Vibration Damping of Ceramic-Matrix Composites | 10.1007/978-981-19-7838-8_4 |
2023-01-01 | The uniaxial Bouc-Wen hysteresis model is well established for simulating the bearing behavior in unidirectional excitations. However, the real scenario is quite different as seismic control devices like high damping rubber bearing exhibit the influence of the orthogonal excitations. In the current work, the feasibilit... | Influence of Biaxial Interaction in Bouc-Wen Hysteresis Model Used for Modeling High Damping Rubber Bearing Under Bidirectional Excitation | 10.1007/978-981-99-1608-5_11 |
2023-01-01 | In this paper, we consider a modified Gough-Stewart platform (MGSP) where two groups of three legs meet at two concentric circles on both top and bottom platforms. The geometry of the MGSP is chosen such that all the first six natural frequencies are equal for a typical payload mounted on the top platform. Additionally... | Vibration Isolation Characteristics of a Modified Gough-Stewart Platform with the Top Platform Filled with Damping Particles | 10.1007/978-981-19-3716-3_19 |
2023-01-01 | Damping modification factor of vertical response spectra (DMF_ V ) for 1%, 2%, 8% and 10% damping levels with that at 5% of the critical is explored for a period range of 0–4.0 s. The dependence of DMF_ V on seismological parameters (magnitude, epicentral distance and soil type) is studied and is shown to be weak and i... | Simplified Damping Modification Factor for Vertical Response Spectra | 10.1007/978-981-99-1459-3_52 |
2023-01-01 | This chapter presents the state-of-the-art technology of shear thickening fluid (STF)-included vibration damping systems based on a literature survey. STF is a good candidate for vibration damping systems. Changeable rheology in STF provides excellent properties for designing anti-vibration structures. For this reason,... | Vibration Damping Systems with Shear Thickening Fluid | 10.1007/978-3-031-25717-9_5 |
2023-01-01 | In dealing with the shortage of traditional fossil energy, climate change and environmental pollution, wave energy has great potential. A wave energy converter is a device that converts wave energy into electrical energy. In this paper, the motion equation of a fully enclosed inertial mass wave energy converter is dedu... | Response Analysis and Parameter Optimization of a Fully Enclosed Wave Energy Converter | 10.1007/978-981-19-9398-5_60 |
2023-01-01 | Damping is a desirable characteristic of a structure from a seismic point of view. Hence, in the dynamic investigation of the construction, damping modelling plays a vital part in gaining the harmless retort of the construction. Any deviation in the damping's representation from the actual damping in the analytical mod... | Analytical approach for damping model | 10.1007/s42107-022-00491-3 |
2023-01-01 | In this paper the small-signal stability of the New England 39-Bus Test System, which was modeled by PowerFactory of DIgSILENT, is studied for which a review of the state of the art of modal analysis as tool to obtain the oscillatory modes of an electrical power system. For its study and relying on a Python script, the... | Leveraging Modal Analysis for Multi-scenario Power System | 10.1007/978-3-031-24327-1_18 |
2023-01-01 | A technique for using mathematical modelling for experimental obtaining of initial data is proposed, which consists in finding a previously created and verified mathematical model that describes a more technologically simple experiment and which includes the unknown characteristic of the material or product we need as ... | Using Mathematical Modelling for Experimental Obtaining of Initial Data when Creating Digital Twins of Complex Technical Products | 10.1007/978-3-031-31967-9_20 |
2023-01-01 | All types of waves both contain energy and transport that energy along with the wave propagation. Wave energy increases with larger amplitudes, so high amplitude waves correspond to louder sounds, larger ocean waves, and stronger earthquakes. This energy is often distributed unevenly over the different wavelengths or f... | Wave Energy | 10.1007/978-3-031-24097-3_4 |
2023-01-01 | Building with timber is one of the ways to limit our carbon footprint, using a lighter material reduces the need for deep foundations and storing carbon in the structure itself is a solution for reducing the atmospheric part of it. Oppositely to the more classical materials of the building industry, steel and concrete,... | Data Processing to Assess Structural Damping of Tall Timber Buildings | 10.1007/978-3-031-39109-5_65 |
2023-01-01 | Purpose The present work examines the influence of additional moderate amplitude high-frequency (HF) excitation on energy harvesting (EH) in the inertially excited bistable Duffing-type harvester with nonlinear damping. Method By introducing the slow and fast time scale we split the dynamics of the electromechanical sy... | Effect of High-Frequency Excitation on a Bistable Energy Harvesting System | 10.1007/s42417-022-00562-4 |
2023-01-01 | Friction dampers are classically used in turbomachinery for bladed discs to control the levels of vibrations at resonance and limit the risk of fatigue failure. It consists of small metal components located under the platforms of the blades, which dissipate the vibratory energy through friction when a relative displace... | Shape Optimisation for Friction Dampers with Stress Constraint | 10.1007/978-3-031-04086-3_10 |
2023-01-01 | The article proposes a new integro-differential equation describing long-wave dynamics in a layer of a heavy fluid with nonzero vorticity and a free surface. In the limit of infinitely long waves, the system of conservation laws for the integro-differential equation transforms into the system of conservation laws for t... | Long Wave Dynamics in Heavy Wave Gravitating Fluid in Vlasov Type Model | 10.1007/978-3-031-11051-1_100 |
2023-01-01 | Active damping is commonly implemented to stabilize the LC-type voltage source inverter (VSI). Based on previous work, the effective stable region of traditional inductor-current feedback active damping control is narrow. In addition, the system cannot remain stable when f _ r is close to f _ s /6. In order to explore ... | A Lag Compensation Method Based on All-Pass Filter | 10.1007/978-981-99-0631-4_78 |
2023-01-01 | Base isolators are devices that provide rapid damping of the energy of dynamic loads such as earthquakes. In this study, the energy absorption performance of a seismic isolator to be placed on the base, in the direction of allowable displacement, was investigated by transmitting various earthquake loads to a rigid stru... | Optimum Design of Base Isolation Systems with Low and High Damping | 10.1007/978-981-99-1435-7_24 |
2023-01-01 | In the problems of damping vibration, the question often arises on the practical implementation of damping actuators. The damping efficiency is considered for a console beam described by a linear viscosity Bernoulli–Euler model. The article presents the methods of damping transverse vibrations implemented by a dynamic ... | Active Damping of Transverse Vibrations of Console Beam by Piezoelectric Layer with Different Electrode Shapes | 10.1007/978-3-031-22093-7_14 |
2023-01-01 | Precast RC structures are commonly adopted for industrial and commercial buildings, to build huge spaces with limited costs and construction times. Due to the lack of efficient seismic regulations until recent times, and adequate assessments of seismic hazard, a huge number of seismically inadequate precast RC building... | A Novel Friction Damper for Seismic Retrofit of Precast RC Structures with Poor Connections | 10.1007/978-3-031-32519-9_140 |
2023-01-01 | This paper presents an assessment of the cable-stayed system (Parallel-strand stay, PSS) and cable damping system used on the Russky Bridge, the determination of the force acting on the bridge cables, and a comparative analysis of the PSS used on the Russky bridge across the East Bosphorus in Vladivostok, each strand o... | Assessment of the Cable-Stayed and Cable Damping System Used in the Russky Bridge and Determination of the Force Acting on the Bridge's Cables | 10.1007/978-3-031-21219-2_304 |
2023-01-01 | Because of the growing demand for high-speed rail vehicles and the ongoing development of these vehicles, the comfort and safety of passengers have become key criterion for advancement. The critical speeds of various DOFs with respect to suspension properties like stiffness and damping are first formulated, then calcul... | Formulating and Analysing the Effect of Suspension Parameters on Critical Speeds for Various DOFs in Rail Vehicle | 10.1007/978-981-99-3033-3_66 |
2023-01-01 | Shockwaves are traffic pulses that mainly propagate upstream of traffic flow; commonly found on highways. The phenomenon is created due to the fact that vehicles move at different speeds and many drivers tend to change their speed abruptly; resulting to a temporary limited length tail. This can be damped or prevented u... | Using C-ITS for Shockwave Damping and Preventing on Highways | 10.1007/978-3-031-23721-8_43 |
2023-01-01 | This paper presents a method for numerical solution of differential equations of motion of a nonideal gyroscopic rigid rotor with nonlinear cubic damping and nonlinear cubic stiffness of an elastic support in the case of unknown characteristics of the energy source. The essence of the method is that the excitation sour... | Resonant Oscillations of a Nonideal Gyroscopic Rotor System with Nonlinear Restoring and Damping Characteristics | 10.1007/978-3-031-29815-8_32 |
2023-01-01 | The article is devoted to resonance reduction during excavator operation due to the rational choice of the bucket and the rotor design parameters, which in turn leads to reliability and durability increase. It is shown that in order to prevent both complete and incomplete resonances during the operation of a bucket whe... | Bucket and Rotor Design Parameter Selection According to Digging Uniformity Condition | 10.1007/978-3-031-14125-6_82 |
2023-01-01 | Chatter is a critical factor that impacts both the efficiency and quality of the milling, and the process damping can suppress its occurrence. Process damping is caused by the interference between the machined surface and the flank face of the tool, which is manifested as an effect on the damping term of the system. In... | Research on the Milling Process Damping and Stability Considering Additional Vibration | 10.1007/978-981-99-6480-2_29 |
2023-01-01 | The purpose of this study was to investigate the small-strain shear stiffness and strain-dependent dynamic properties (i.e., shear modulus degradation curve) of mixtures of gravel and recycled granulated tire rubber for use in geotechnical applications, including geotechnical seismic isolation foundation systems for bu... | Small-Strain Shear Stiffness and Strain-Dependent Dynamic Properties of Gravel-Rubber Mixtures | 10.1007/978-981-99-1579-8_36 |
2023-01-01 | Vibration will lead to power grid disconnection, equipment rupture and other problems, so the working status of the vibration sensor hanging the grid is closely related to the normal operation of the power grid. But there are few researches on the status evaluation of the vibration sensor. On this basis, this paper sel... | A Simulation Platform for Assessing the Status of the Vibration Sensor Hanging the Grid | 10.1007/978-981-99-0451-8_37 |
2023-01-01 | The magneto-rheological (MR) damper is one of the most sophisticated applications in the field of semi-active control devices. Its popularity is growing on a daily basis as a result of its numerous benefits and diverse applications. When the viscosity of the MR damper's internal MR fluid is changed, the force delivered... | Experimental Investigation on Small-Scale MR Damper with Frequency Variation for Seismic Resistant Structure | 10.1007/978-981-99-1608-5_14 |
2023-01-01 | Dynamical and structural systems are susceptible to sudden excitations and loadings such as wind gusts, blasts, earthquakes, and others which may cause destructive vibration amplitudes and lead to catastrophic impact on human lives and economy. Therefore, various vibration absorbers of linear and nonlinear coupling dyn... | A review on nonlinear energy sinks: designs, analysis and applications of impact and rotary types | 10.1007/s11071-022-08094-y |
2023-01-01 | The effect of novel negative stiffness and inerter-based damper (NSID) for seismic response control of elevated liquid storage tanks is investigated. Liquid storage tanks form important structures that must stay in working condition during earthquakes. Herein, NSID is employed as a supplemental damper to elevated liqui... | Seismic Response Control of Elevated Liquid Storage Tanks Using Negative Stiffness and Inerter-Based Dampers | 10.1007/978-981-99-1608-5_44 |
2023-01-01 | In order to enhance the serviceability of civil structures during seismic action base isolators and dampers need to perform at high efficiency independent of the ground shaking level. However, base isolators and dampers are commonly designed to the shaking level of the Design Basis Earthquake (DBE) whereby their effici... | Improved Structural Serviceability and Seismic Protection by Adaptive Isolators and Dampers | 10.1007/978-3-031-21187-4_55 |
2023-01-01 | The paper presents the use of semi-active magneto-rheological (MR) dampers for the structural response reduction of the reinforced concrete (RC) elevated liquid storage tanks. The effectiveness of MR dampers is investigated based on the control strategies and the placement of the dampers in the staging. The RC elevated... | Seismic Response of RC Elevated Liquid Storage Tanks Using Semi-active Magneto-rheological Dampers | 10.1007/978-981-19-2145-2_79 |
2023-01-01 | Additive manufacturing (AM) offers unique capabilities to incorporate the effects of different mechanics. Traditionally, AM parts are fabricated to reduce weight while maximizing strength. More recently, it has been observed that AM can also be used to fabricate components with internal particle dampers through the pro... | Experimental Observations of Nonlinear Damping of Additively Manufactured Components with Internal Particle Dampers | 10.1007/978-3-031-04086-3_14 |
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