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Problem Statement: How does Aspen Shell & Tube Mechanical v8.4 calculates Flanged & Flued expansion joints? | Solution: If the option TEMA F and F EJ Line Element FEA interface option is selected as Yes under the Exchanger Geometry|Expansion Joints|Expansion form
Aspen Shell & Tube Mechanical uses the TEMA flanged-and-flued (thick wall) expansion joint Line Element Finite Elemente Anaylsis software, obtained directly from TE... |
Problem Statement: When transferring data from the Hetran Program to Aspen Shell & Tube Mechanical, some loss of data is experienced. i.e. data from main materials disappeared and the format of some tabs has changed. | Solution: This problem appears when the original file from Hetran is using the option "Other" as a design specification for the code and this option is not included in Aspen Shell & Tube Exchanger. To transfer the data correctly the following steps need to be taken.
1. In Hetran, go to Input | Design data | Specifi... |
Problem Statement: What is a log file in EDR? | Solution: Is a text file that contains a track record of the internal calculations. This feature only works with Shell &Tube Mechanical. To create a log file you need to go to Tools|Program|Execution Settings|Execution and check the option 'Create a log file for calculation engine
This setting creates a Log file with... |
Problem Statement: How do I specify the the longitudinal location for nozzles in Aspen Shell & Tube Mechanical? | Solution: The nozzle locations are specified as axial distances from the front face of the front tubesheet reference point. All numbers should be positive. The nozzle location can be specified at Input | Exchanger Geometry | Nozzles-Details-Ext.Loads | Penetr/Proj/Distances under "Distance Nozzle CL"
If the program is... |
Problem Statement: Can you confirm that using MBO automation does not require a license token? Currently we have a dongle locked license file but anticipate changing to a token based MBO license in the near future. | Solution:
Keywords:
References: None |
Problem Statement: Why is the static pressure at the PSV outlet (PSV Backpressure) different with and without "Rated flow check" and "Rated flow for downstream nodes attached to tailpipes"? | Solution: When you check rated flow for tailpipe check, per API guidelines, the pressure drop correlation uses rated flow rate rather than required flow i.e mass flow rate. This is a modified pressure drop correlation but the energy & mass balance are still performed using required flow i.e mass flow rate
When you make... |
Problem Statement: Why are there inconsistencies in the component compositions of the inlet and outlet flow of a knock out (KO) Drum? | Solution: Inside the KO Drum when the entire inlet is liquefied with zero outlet flow. Severe solver convergence can occur due to this zero outlet flow from KO drum. In order to avoid this issue, flaresystem analyzer solver puts a very tiny artificial flow at the outlet of KO drum and by default it is set to 100% of th... |
Problem Statement: When I print my PFD with the Print Preview option I can only see a small print in the upper right corner of the page. How can I print the Process Flowsheet across the whole paper size? | Solution: The Print Preview button is located on the Process Flowsheet tab. Next to this is a drop down menu with the available options to determine what is printed (See Solution ID 121054). Select the All-Single Page option.
With the Zoom bar located in the bottom right corner of the screen, you can adjust the size of... |
Problem Statement: We have downloaded the usage report from AspenTech support site. The report shows the information as User1, User2, Machine1, Machine2. How do we identify the real user information to view the token usage in more details? | Solution: If you have configured/enabled 'Scramble User Names' or 'Fields to Mask' in Auto Upload Tool ( See below an example:) then the user information such as User Name, Machine Name and IP Address will be masked/anonymized.
To unmask the user information, you can use the usermap available on C:\Program Files (x... |
Problem Statement: How do I convert the Start Date and End Date columns in the Raw Data tab of the Monthly Report to the local time?
*The Monthly Report spreadsheet is one of the usage reports provided to customers through the AspenTech support website.
*If you do not know how to access the Monthly Report, please s... | Solution: This KB explains how to covert the Start Date and End Date columns in the raw data tab of the Monthly Report available through the AspenTech Support website, which by default is in UTC/GMT time zone, to the local time zone.
The Start Date and End Date columns (columns J and K on the Raw Data tab, respective... |
Problem Statement: How do I get the charts/graphs in the Monthly Report to display more filtered, specific data (e.g. data for only one specific server)?
*The Monthly Report spreadsheet is one of the usage reports provided to customers through the AspenTech support website.
*If you do not know how to access the Monthly... | Solution: This knowledge base article describes how to filter the data in the monthly usage report provided by AspenTech so that the charts/graphs will display more filtered, specific data that the user can specify (e.g. data for only one specific server).
The monthly usage report is an Excel spreadsheet that contain... |
Problem Statement: Does the Resolve method work on parameters? If yes, how do I declare it? | Solution: Usually, Resolve is used to access variables in any given block, stream, or the flowsheet itself from a script anywhere in the simulation. However it can also be used to access parameters in ACM simulation.
The convenient way to declare is to breakdown the code in terms of Block and Parameter names. For examp... |
Problem Statement: Does the capability exist to design a "Cooler Box" type of heat Exchanger? | Solution: Cooler Boxes are used in oil refineries for cooling very heavy oil streams (such as heavy vacuum distillates or resides) against cooling water, without getting the material too cold.
Unfortunately this type of heat exchanger cannot be made . There is really no easy way to model a coiled rectangular shape... |
Problem Statement: Where can users see the RhoV2 analysis from Aspen Air Cooled Exchanger? | Solution: Aspen Air Cooled Exchanger also offers Rhov2 Analysis just as Aspen Shell and Tube Exchanger. Users can go to Result> Mechanical Summary > Exchanger Data. In the Nozzles/Headers tab, you will be able to see the RhoV2 for inlet and outlet nozzle.
Keywords: Rhov2 Analysis, Air Cooled Exchanger, Nozzle
Reference... |
Problem Statement: When opening an Aspen Custom Modeler file that uses Aspen Properties, the warning message is "No compatible version of Aspen Properties installed. The Aspen Properties GUI will not be available."
 | Solution: This error will occur when Aspen Custom Modeler is installed without Aspen Properties. To resolve, please follow these steps:
1. Install Aspen Plus V8.4 (including all the sub-features) from DVD V8.4 or V8.5 install media.
2. After the installation is finished, click Start | All Programs | AspenTech... |
Problem Statement: Aspen Air Cooled Exchanger does not allow me to input the desired tube pitch and layout angle. When I enter my inputs, the layout angle cell turns red. If I run the simulation, I get Input Error 8002: Input for Tube layout angle is beyond the permitted range. | Solution: The issue with the tube layout angle has to do with the program's bundle geometry calculation. Given 2 of the following 3 specifications: Transverse pitch, Longitudinal pitch, and Tube layout angle, the program will calculate the third. For example, if the longitudinal and transverse pitch are both 2.5 in, th... |
Problem Statement: How to remove Error message 4028, "Pressure drop and heat transfer correlations for non-circular tubes are currently not available in the program. The program has stopped execution of this case. Please input outside performance data for the surface"? | Solution: For non circular tube type, the pressure drop and heat transfer correlations are not available. The vendor data can be supplied in Fin Performance Data.
Keywords: Fin performance data, pressure drop, non-circular tubes.
References: None |
Problem Statement: How to change a string/stringset to integer value or integer, real or logical value to string? | Solution: The CONVERTTO operator lets you convert a string or the first element in a set of strings to the integer value that it represents. You can also use CONVERTTO to convert a REAL, INTEGER, or LOGICAL value to a string. You can also use CONVERTTO to convert an INTEGERSET to a STRINGSET, or a STRINGSET to an INTEG... |
Problem Statement: What is the difference between a Rule and Method? | Solution: Rule: Rule is a KB item that access the whole database. If you want write a procedure/program that should act on the whole workspace then it should be created as Rule.
Method: Method is a KB item that access the specific object. If you want to write a routine that should act on a particular object in the work... |
Problem Statement: The label display "?" when there is no value for the field? How to change it to blank? | Solution: You can do it in drawing editor itself:
· Go to "Labels" menu on the top
· In the drop-down menu, click on the "Display options"
· A window will pip up with two tabs "view" and "Print".
· Uncheck the "Undefined Values" option, in both the tabs. This will prevent the display of ... |
Problem Statement: Why do I get a message “TST: cannot open BIN file” while trying to run Aspen DMC plus extract to extract a BIN file? | Solution: In the initial stages of Aspen DMC plus implementation project, the plant data is collected to build a final Aspen DMC plus controller model. Aspen DMC plus extract is the tool used to extract data from collected data. The real time collected data from process unit is stored in form of a BIN file. The BIN fil... |
Problem Statement: When I try to import a Aspen HYSYS simulation case, I get an error that says "Cannot Open File" | Solution: Check the version of Aspen HYSYS used to create the simulation case. Set this version as your default Aspen HYSYS version. You can do that with the following steps.
1. Click Start | All Programs | AspenTech | Process Modeling V 8.X | Aspen HYSYS
2. Right click on Set Version - HYSYS V 8.X and select R... |
Problem Statement: What does the "No missed cycle check" message mean? | Solution: Aspen DMCplus MCTOL (Missed Cycle Tolerance) can be used to modify the behavior of "Off-schedule run Late #.### seconds" (Message ID 14006) and "Missed cycles" (Message ID 14008). For further information please refer to Aspen DMCplus Entry Dictionary | MCTOL.
From V7.1 to V8.0 this feature is not available,... |
Problem Statement: Why am I unable to insert a "snapshot" of other applications and paste them into Excel datasheet editor sketch cells directly? | Solution: When you insert a "sketch" to Excel, you actually insert an object using OLE (Object Linking and Embedding). That means you are actually linking another application to Excel. Examples of other applications are: Microsoft Word, Adobe Acrobat Reader, Microsoft Paintbrush and any other application that supports ... |
Problem Statement: AZ demon is not working for items that were created previously to the AZDemon compilation into the workspace. | Solution: The Demons are rules that automatically load when an action is triggered inside the Workspace (WS). When you compile the information you will not be able to apply these rules on items that were created previously to the Demon compilation.
To fix this behavior you will need to go to the Rules Editor Interface ... |
Problem Statement: Is it possible for a DMCplus controller to acquire data from more than one OPC server? | Solution: Yes, it is possible for a DMCplus controller to collect data from more than one OPC server. First a new CIMIO for OPC is needed to be configured.
1. Go to OPCProperties.exe. This application can be found in the following path: C:\Program Files (x86)\AspenTech\CIM-IO\io\cio_opc_api. Double click and you wi... |
Problem Statement: The user could not open the Aspen Basic Engineering v8.4 workspace because the password used is not consistent with Broker.ini and AZ171Broker service on Local Computer.
This is the error message when the user opens the Drawing Editor:
“Could not connect to workspace” and “The service did not start d... | Solution: This knowledge base describes how to fix the error message "could not connect to workspace" which leads to error message "Windows could not start the AZ171Broker service on Local computer" and Error 1069: The service did not start due to a logon failure".
1. Open the Broker.ini to verify the password i... |
Problem Statement: What do the superscripts in parentheses mean on some cells in Excel Datasheet Editor? | Solution: These superscripts are flags. They are used to help identify certain properties of the field. For example, the "Derived" flag is used to show whether a field is derived from the object's attributes rather than inputted by a user. Flags can be enabled or disabled under Datasheet options, as seen below.
Keyword... |
Problem Statement: How to prepare a silent installation of the Aspen Basic Engineering product from the AspenONE V8.4 DVD? | Solution: In previous AspenONE DVD versions a utility (SeprateProdKit.exe) was included in the DVD directory files to create an install kit for a single product. That utility is being added into the new workflow installation as “Prepare Deployments” where user can do the silent install, as well as separate product kit.... |
Problem Statement: Why do connections on diagrams get re-routed when I add a fill to a valve symbol graphic? | Solution: This is due to a defect in the Intergraph drawing software. The current workaround is described below.
1. Draw an inner triangle within the symbol
2. Now click on each of the boundaries of the inner triangle, and select the color to be as selected in the red triangle in the screen shot below... |
Problem Statement: How do I transfer a previously created Simulator Interface File (PSF) file into Exchanger Design and Rating (EDR) programs? | Solution: A Process Simulator File (PSF) file is a file that contains both process and physical property data that enables data generated by a program (normally a process simulator) to be transferred to an Exchanger Design and Rating (EDR) program.
Once a PSF file has been created, the procedure to import into EDR pr... |
Problem Statement: How to interpret Warning 1325 is regarding how Aspen Shell & Tube Exchanger? | Solution: Operational Warning 1325 is regarding how Aspen Shell & Tube Exchanger (Tasc+) handles "Number of tubes submerged in horizontal shellside condensation", the details of which can be found in RS1069 in HTFS Research Network. If fraction of submerged tubes is not provided, EDR estimates the fraction based on a p... |
Problem Statement: How do I access Exchanger Design & Rating variables from within the Aspen HYSYS type library? | Solution: Within the Aspen HYSYS type library we do not have direct access to the EDR variables. However, it is possible to still access these variables using automation through the use of the "BackDoor" class and monikers. There is automation codes VB.NET automation code below to access and set the hot and cold si... |
Problem Statement: When generating my Platinum flowsheet in V8.4, I see this message. Where is the indicated application log file located?
"Problem encountered retrieving data sources. See application log for details." | Solution: For V8.4, the file is located under:
C:\users\<username>\AppData\Local\AspenTech\PIMSPlatinum\8.4\SingleUserLogs
where <username> is the Windows username
Keywords: None
References: None |
Problem Statement: According to KB 137224, in PIMS V8.2 and before, I might get the following message if I am running Platinum Case Runner on a machine with dd/mm/yyyy settimg. This is fixed in PIMS V8.4. Why do I get the below message when I use Platinum Case Runner in V8.4? | Solution: This indicate that there might be a bad input in T. CASE in your model. Platinum Case Runner will read all information in T. CASE, including the case that is not run in the model or not in used in Platinum Case Runner. If there is bad input in T. CASE, for example, a wrong keyword, BLANK is used instead of EM... |
Problem Statement: For the case of shells in series, how about the pressure drop of the connecting lines b/w the equipments? Is there any specific consideration to be aware of? | Solution: If the exchanger design ended up with some exchangers in series, we assume that these exchangers are located pretty close together to minimize the heat loss and the overall pressure drop.
Generally, the pressure drop in the connecting pipes (between exchangers in series) is way smaller than the pressure dro... |
Problem Statement: How do I prevent run-time error '13': Type mismatch when importing Aspen HYSYS data into Aspen Exchanger Design & Rating (EDR)? | Solution: This error might be due to a miscommunication between Aspen HYSYS and EDR because of the way the comma and period are used in different regions. To fix the communication error between Aspen HYSYS and EDR try changing the language settings on your computer. This can be done by the following.
1. Go to Start... |
Problem Statement: Does Aspen Shell & Tube Exchanger account for the pressure drop in piping between multiple shells in series? | Solution: If there are multiple shells in series, Aspen Shell & Tube Exchanger assumes that these exchangers are located close together to minimize the heat loss and overall pressure drop. Generally, the pressure drop in the connecting pipes (between exchangers in series) is much smaller than the pressure drop occurs i... |
Problem Statement: A graphical technique for assessing the stability of a thermosiphon circuit is outlined in solution 139174 “How can I interpret the thermosiphon stability assessment from Aspen Shell and Tube Exchanger?” In this method, pressure drops are calculated around the thermosiphon loop and then graphs are u... | Solution: For a thermosiphon run, additional results are presented in the Results | Thermal / Hydraulic Summary | Pressure Drop forms as shown below;
The different colored boxes represent the pressure drop components that can be summed together, where as indicated in Table 1 of TM16;
Color
Pressure
Definition
Green
P... |
Problem Statement: In the "Optimization Path" - "Design Status" what is the difference between Near, OK and (OK) between brackets? | Solution: The “Design Status” in the optimization path for each selected design will be marked as “OK”, “(OK)”, or “Near” based on the following criteria:
(a) The design is OK, if AR≥1, PR≤1, and meets TEMA unsupported length or nozzle rho-V-squared limits.
(b) The design is (OK), if AR≥1 and PR≤1, but it fails to mee... |
Problem Statement: Why do the pressure levels have the same value when importing properties from Aspen HYSYS to EDR? | Solution: The problems is when the PSF file is creating in EDR, EDR takes the inlet pressure and outlet pressure reported in the Aspen HYSYS exchanger in order to generate the Pressure Levels. The issue is that the pressure drop specified in the Hysys exchanger was zero, the pressure levels have the same value. With th... |
Problem Statement: Aspen FRAN is used for modeling the thermal performance of conventional closed loop shell and tube feedwater heaters used in power plant applications. It rigorously models and rapidly resolves complex interactions of desuperheating, condensing and subcooling zones and high-pressure feedwater.
The pro... | Solution: To manually associate a file type to a program in Windows 7:
1. Run Control Panel | Default Programs
2. Run “Associate a file type or protocol with a program”
3. Select .fhi from the extensions list and click on the “Change program button”
4. Browse to Fran.exe, that will normally be in the folder “C:\Program... |
Problem Statement: How do I determine the back door monikers for EDR variables? | Solution: Determining the monikers for variables that the user may want to access with a BackDoor is often difficult/tedious but can be done with the script manager, or by going through CS&T to ask a developer who can directly observe the monikers. There are the monikers using the script manager as follows:
1. Open a H... |
Problem Statement: When running Aspen Shell & Tube in simulation mode, I am unable to change the TEMA type. When I change the TEMA type input and run the simulation, the program reports the old TEMA type in the results. | Solution: This issue arises when the exchanger geometry inputs do not meet the requirements for certain TEMA types. For example, T or S type rear heads require a full support baffle that might not fit in the current baffle arrangement.
This problem can be solved by changing the Tube Layout under Input | Exchanger Geome... |
Problem Statement: How do I model a jacketed pipe? | Solution: A jacketed pipe consists of two concentric tubes, one inside the other. Hence, from a thermal point of view, a jacketed pipe can be analyzed as a tube-in-tube heat exchanger1 (i.e. double pipe heat exchanger). The allocation of the hot fluid and cold fluid depends on the application. For instance, if you want... |
Problem Statement: How pressure changes in distributors? | Solution: The total pressure change in a distributor is determined from the frictional loss in each pad, and the loss associated with turning and the change in flow area at the inlet to and outlet from the distributor, and between the pads, if there are two of them. The pressure change in distributors is thus calculate... |
Problem Statement: Why are the surface area results different between V8.0 (and older versions) and V8.4 for a Plate Fin Exchanger for the same exchanger geometry input? | Solution: In V8.0, the Main surface area that was reported for Checking/Simulation modes was the sum of the main fin (Results|Mechanical Summary|Exchanger|Stream Geometry), distributor, and redistributor areas. In V8.4 a change was implemented so that the Main surface area is only the main fin area.
Keywords: Main su... |
Problem Statement: How heat transfer occurs in distributors? | Solution: Heat transfer in distributors is a calculation option in simulation/checking modes: By default it is on. The calculation grid in these modes includes any Distributor-only region at the ends of the exchanger. Heat transfer in distributors is not allowed for in Design Mode. The calculation grid here covers only... |
Problem Statement: When you close Aspen Batch Distillation the application stays running and sometimes it uses 25 to 50% of the CPU. | Solution: Run the application in Windows XP SP3 Compatibility Mode.
Close all processes
Keywords:
References: None |
Problem Statement: How to simulate a horizontal fin (also known as hardway fin) in Aspen Plate Fin Exchanger. | Solution: Horizontal fin which also known as Hardway Fin in Plate-Fin Exchanger. Normally it is used to improve the flow distribution across the layer width at the stream inlet part.
Hardway fin can be specified in a short region at the stream inlet in Design mode.
It is either serrated or perforated finning laid trans... |
Problem Statement: Why do I get Error HTTP 404.17 when using the Enterprise Update Center? | Solution: In this knowledge base article we will be looking at how we can resolve the error HTTP 404.17. This error normally happens because of two reasons, either Microsoft ASP.NET 4.x not installed or not enabled in your IIS server.
An HTTP 404.17 error code is received when the ISAPI / CGI Restrictions is preventin... |
Problem Statement: How do I install Aspen Enterprise Update Center? | Solution: In this knowledge base article we will be looking at how we can install aspenONE UpdateCenter-Server. For this KB we will be using the following system.
· Microsoft Server 2012 R2 64bit
· Internet Explorer 11
· Microsoft .NET Framework 4.5.1
· 4GB RAM
· Dual Core Proce... |
Problem Statement: When you try installing aspenONE you will see a message under the pre-requisites check to install Microsoft .NET Framework 4.0 before proceeding.
Here is an example of what you will see. | Solution: To proceed with the installation you will need to install Microsoft.NET Framework 4.0 because some of aspen application will be using .NET.
Step 1: Click on Start
Step 2: Click on Computer
Step 3: Right click on the DVD an then click "Open"
Step 4: Double click on the folder "3rd Part Redistributables"
St... |
Problem Statement: On Microsoft Windows 8 .NET Framework 3.5 is not installed by default and sometimes when using the Add and Remove features you will get an error downloading and installing .NET Framework 3.5 which is required by aspenONE V8.4.
Windows 8 error when trying to install .NET Framework 3.5 SP1 | Solution: All you will need to do is a couple of steps to install .NET 3.5.
Step 1: Place your Windows 8 DVD in your computer.
Step 2: Load Microsoft Power Shell. You can do this using the Windows 8 Search which is found under the Charm menu.
· Press your Windows key on your keyboard + the F key
Now the search ... |
Problem Statement: If you are upgrading to V8.4 from a previous version like V8.2 then you will need to install IIS compatibility components.
The screen-shot below shows the error you will see on the prerequisite checks. | Solution: To proceed with the installation you will be required to install IIS 6 Scripting Tools and IIS compatibility component.
Step 1: Click on the Start button
Step 2: Click on the Control Panel link
Step 3: Click on Uninstall a program
Step 4: Click on Turn Windows features on or off.
Step 5: Expand Internet I... |
Problem Statement: Why do I get error message "You don't have permission to open the AFW Security Manager or the AFW Security Manager initialization failed."? I have this error message always after the first configuration of the AFW-Snap-In when used with an Oracle database as follows:
Run the AFW database wizard to s... | Solution: This problem can occur if using AFW with an Oracle database and NLS_CHARACTERSET is set to WE8ISO8859P15. If you get the problem try redefine the Oracle database to use character set WE8ISO8859P1. You will then need to re-run the AFW database wizard to reset the database.
Keywords: Oracle
NLS_CHARACTERSET
R... |
Problem Statement: How do I simulate a Multi-bed Flow sheet in Aspen Adsorption? | Solution: There are two ways to simulate a multi-bed flow sheet.
1. Single Bed approach: This approach is valid if the following conditions are met.
· Each absorbent bed is identical (Absorbent layers, model assumptions).
· Only one bed has to be rigorously modeled.
· We can incorporate any n... |
Problem Statement: How to plot an isotherm. | Solution: We suggest the following procedure:
1. Create a new simulation and set up the component list (or reuse your existing simulation case)
2. Create a block using the Static_Isotherm block
3. Select the isotherm and enter the parameters
4. Change the run mode to "Dynamic"
5. In the Run Options,... |
Problem Statement: Aspen Simulation Workbook (ASW) Plug-in Tab is missing in Microsoft Excel. A "Hard disabling occured" error can be seen. The hard disabling occurs when an Add-in causes the application to close unexpectedly (a crash) and is disabled by Excel. | Solution: To restore the ASW Add-in, please follow these steps:
1. Open MS Excel | File | Options | Add-Ins
2. Locate Manage: select “COM Add-ins” from the drop down box and then click “Go” button
3. Check the box for “Aspen Simulation Workbook V8.4” and click “OK” button
However, t... |
Problem Statement: Sometimes building a VBA code for an Excel file that uses ASW may require Excel to hold the execution of the VBA commands while HYSYS/Aspen Plus solves the simulation and ASW updates the results. How can this be done? | Solution: Normally you could use the commands Application.Wait() and Sleep() to hold a VBA code execution, however, for this case this would not be useful since that also holds Aspen Simulation Workbook and the simulation results would not be updated.
In such cases you would need to use a DoEvents loop that will delay ... |
Problem Statement: How to estimate the density of Polystyrene at over the temperature range in Aspen Polymers application? | Solution: 1. Start new case with “Polymers Template – Polymers with Met-C_bar_hr Units”
2. Define Components
Note: Property analysis does not work for ‘polymer’ components, but it works fine for ‘oligomer’ components.
Treating the polymer as an oligomer gets around this problem because the oligomer defin... |
Problem Statement: How do you enter UNIFAC groups over 4000? The help says that they exist; however, they are not in the drop-down list. | Solution: Groups 3815, 4005, and 4110 through 4210 are only used with the PSRK equation of state as normal components.
PCES estimation does not support using PSRK as an estimation method, so these groups cannot be entered on the Components | Molecular Structure | Functional Groups sheet. The Aspen Physical Property Sys... |
Problem Statement: What are typical void fraction values at minimum fluidization in a fluidized bed within Aspen Plus? | Solution: The fluidized bed model in Aspen Plus allows to model bubbling and circulating fluidized beds. The model considers the fluid-mechanics as well as chemical reactions allowing to model for example fluidized bed reactors. One key parameter of the model is the void fraction at minimum fluidization (emf) that is u... |
Problem Statement: Commands such as ASPCOMP and ASPLINK are not working from the Aspen Simulation Engine window. I get an error that says that the command is not found:
C:\Program Files\AspenTech\APrSystem V7.3\Engine\Xeq\asplink.bat
Error: C:\PROGRA~1\AspenTech\APrSystem is not recognized as an internal or external co... | Solution: Before Aspen Plus V8.6, Aspen Plus did not handle names with space internally. This means that special names has to be converted into short (8.3) names during the installation process. For example,
C:\Program Files\AspenTech\APrSystem V7.3\Engine
may be converted into something like
C:\PROGRA~1\Aspe... |
Problem Statement: What is the functionality of the Aspen Production Record Manager V8 and higher when the license is unavailable? | Solution: If Aspen Production Record Manager is unable to get a license, it is either due to a license denial or the license grace period has expired.
A license denial is when the application is unable to check out a license from the license server.
A license grace period is when the license has been granted at least o... |
Problem Statement: When you launch Aspen Production Record Manager Administrator, the following error message appears:
"The specified service does not exist as an installed service." | Solution: This is due to Aspen Production Record Manager Services missing in the Windows Services. AspenTech recommends to completely re-install or repair the installation if services are not installed as expected.
If option to re-install is not possible, the service can be installed manually according to the instructi... |
Problem Statement: This solution is intended for modelers who configure SCM applications for the end users.
There was a new feature introduced in V8.4 Cumulative Patch 2. Configurers/Modelers have the ability to add an icon to the tab header to communicate to the end user that this tab needs to be manually refreshed. T... | Solution: # 139594.
Solution
To add the refresh icon to one tab, the following command can be used:
VMACTION ViewModelID NeedsRefresh
Where the ViewModelID is the address used to identify the View Model. For example, the Planning Board's XML configuration is stored in CPB set and the view model is CPB:PB_VM à this ... |
Problem Statement: What features were added to the help menu for Aspen Fleet Optimizer in V8.4? | Solution: The Help menu on the Aspen Fleet Optimizer main dialog box contains a Training option. This option links to an Aspen Fleet Optimizer Training page which provides access to rich library of Aspen Fleet Optimizer training materials. The Help menu on the Aspen Fleet Optimizer main dialog box also contains a Docu... |
Problem Statement: What email clients are supported in Aspen Fleet Optimizer V8.4? | Solution: For proper functioning of the eMail feature, you must install an appropriate MAPI (Mail API)-compliant eMail client on the computer where Fleet Optimizer applications are installed. MAPI includes functions that mail-enabled and mail aware programs can use to create, manipulate, transfer, and store mail messag... |
Problem Statement: What database versions are supported in V8.4 for Aspen Fleet Optimizer? | Solution: The information below applies to a dedicated server, running Oracle 11g or a server running MS SQL Server 2005 or 2008 with no other function other than containing the Fleet Optimizer database and common interface tables.
Keywords: None
References: None |
Problem Statement: What version of MS Mappoint is supported with Aspen Fleet Optimizer V8.4? | Solution: Aspen Fleet Optimizer was tested with MS Mappoint version 2009 other version of Mappoint may be compatible but were not tested.
Keywords: None
References: None |
Problem Statement: What is the procedure to allow an Administrator user to propagate a list of URLs to be added to the Local Intranet Zone or the Trusted Sites Zone on a system wide basis? | Solution: The IT security policies at many companies dictate that a standard non-administrator user not have permissions to edit the Internet Explorer settings. However, the Aspen PCWS web applications to view and maintain Aspen APC application requires that the web URL address be added to the Local Intranet (or Truste... |
Problem Statement: What is the new Apache Tomcat Web Service? What is it used for? | Solution: Apache Tomcat Web Service is a new service introduced in APC V8.4.0.1 (V8.4 CP1). This service is used by PCWS to display the new High Performance Trends (HPT) feature.
This service can be stopped if one may prefer the previous Aspen Process Explorer based history plots; however it's needed to disable first t... |
Problem Statement: What are the available licensing options for Aspen InfoPlus.21? | Solution: The following licensing options were introduced in V7.1:
License Type
License Key
Usage
Standard
SLM_InfoPlus21_Points
For production environments
Embedded
SLM_InfoPlus21_Embed
For applications that have an embedded IP.21 License
Development
SLM_InfoPlus21_DevSys
For development environments
Backup
SLM_InfoPl... |
Problem Statement: When Static Head option is turned in Aspen Plus Dynamic, the outlet pressure of model does not match with that in Aspen Plus. How to resolve this mismatch? | Solution: This mismatch happens as Aspen Plus models cannot take static head effects into consideration while calculating outlet pressure. One way of resolving the mismatch issue is to make some changes in both Aspen Plus and Aspen Plus Dynamics:
In Aspen Plus: Add a valve model on the out let stream where pressure is ... |
Problem Statement: Can we use two phase-specific (vapor and liquid) U values for Heat exchangers in Aspen Plus Dynamics? | Solution: Currently Aspen Plus Dynamics does not support two individual phase heat transfer co-efficient for heat exchanger models. The ways dynamic heat exchangers are modeled are as an inlet and outlet holdups which are connected by a "valve" that applied the heat transfer and pressure drop.
If you are just using so... |
Problem Statement: The collected data in Aspen Watch Performance Monitor/PID Watch V8.0 always displays the controller mode as Local/Manual even when it should be displaying Remote/Manual mode. | Solution: ***Note- This solution ONLY applies to applications working with a Delta V DCS.
The source of the problem is that the underlying SQL procedure used to determine the correct mode for a PID loop does not make distinction between the REMOTE/MANUAL and LOCAL/MANUAL modes.
Explanation - The following code logic is... |
Problem Statement: How do I model multiple pipes ending in one pipe to form pipeline in Aspen Plus Dynamics? | Solution: Aspen Plus Dynamics does not support pipeline model from Aspen Plus. One work-around is to use multiple inlet streams connected to a mixer block with one outlet stream. Each stream can be controlled by a valve.
Please see the attached Dynamics file.
Key Words
Dynamic Simulation, Pipeline, Mixer, Valve
Keyword... |
Problem Statement: It is possible to verify XNLP or XLP solution by restarting from the last solution and resolving the same problem. To achieve this "Verify | Solution: by Resolving" under XNLP Settings / Advanced needs to be enabled:
Since V8.4 this functionality also works when running parallel cases using multi processing functionality. However there are no details of "Verify Solution by Resolving" run in the execution log:
Solution
In order to investigate "Verify Solutio... |
Problem Statement: How to specify the “Maximum Mass Flow Rate� in a Tee. | Solution: Create a spreadsheet and specify the Molecular Weight and the “Maximum Mass Flow Rate� desired. In another cell divide the “Maximum Mass Flow Rate� between the Molecular Weight. After doing that use the drag and drop functionality and drop the calculated value in the “Max flow rate� cell in the Te... |
Problem Statement: When working with Aspen Process Manual and the user is browsing the manuals as well as the information content, it sometimes only shows the pictures of figures and graphs but not the equations in specific. | Solution: In order to solve this when only the equations in specific are not shown, one has to check first if the following registering file: ‘ShowEqn03.dll’, is in the AspenTech shared location.
If the installation is normal, enter at a command prompt the following:
Regsvr32 “C:\Program Files (x86)\Common Files\AspenT... |
Problem Statement: I want to generate a more complete table in the Performance tab of my Heat Exchanger. How can I adjust the intervals? | Solution: If the Simple Weighted model is selected as the Heat Exchanger Model you will be able to modify the number of intervals shown in the table located in the Performance tab.
Go to Weighted Model Inputs section under Design tab | Parameters page and specify the number of intervals that you want to displayed in yo... |
Problem Statement: What are the features available in the different versions of Aspen HYSYS? | Solution: The table below contains all of the features available in Aspen HYSYS from version 2006.5 through V8.4. You may also refer to the attached PDF.
2006.5
V7.0
V7.1
V7.2
V7.3
V8.0
V8.2
V8.3
V8.4
Aspen HYSYS®—Feature Availability
Sept. 2008
Feb. 2009
Jul. 2010
Nov. 2011
Dec. 2012
May 2013
Aug. 2013
Nov. 20... |
Problem Statement: How do I show hidden objects on the PFD? | Solution: To reveal the hidden objects you just need to make right click on the PFD and select Reveal Hidden Objects…
On the show hidden Objects window you can select the items you want to show again:
You can use the shift key to select more than one object.
Keywords: V8.4, Reveal Hidden Objects, Hysys, Show
References... |
Problem Statement: Why is there a discontinuity in VLE Plot when using the RefProp Method? | Solution: Using RefProp (this method coding is provided by NIST) to create a VLE curve for a multi component system can provide contradictory information. The calculation of a pure stream (only one component) with a non-zero flow using RefProp is possible.
However, there can still be an issue with a pure stream as well... |
Problem Statement: How do I generate the Mass/Energy Balance for a single unit operation? | Solution: People can see the flowsheet-wide Mass/ Energy Balance from Flowsheet summary. However, they may wonder if HYSYS can generate the Mass/ Energy Balance for a single unit operation. The answer is Yes. You can use Property Balance from Model Analysis to achieve that. We will use a crude distillation column as an... |
Problem Statement: If I have some hypothetical components on my simulation defined by the Oil Manager, the composition is deleted when I define the composition from the Oil & Gas Feed section. | Solution: Defining from Oil & Gas Feed and and the Oil manager are two completely different tools. The Oil & Gas Feed data calculation will erase the existing data and fill in new data if it calculates.
Once the user enters the density, the black oil calculation takes over, which overwrites the oil manager data. If the... |
Problem Statement: Component C31 to C36 are not found in Aspen HYSYS pure component database. How can I add those? | Solution: The C31 to C36 are not available as pure components in Aspen HYSYS databank.
The option to have these components available is add them as hypothetical components. For more information, please refer to KB 109781 in which you will find a step by step procedure for creating one.
Keywords: Hypothetical components... |
Problem Statement: How to access SULSIM extension in Aspen HYSYS | Solution: SULSIM is a third party program for sulphur treatment in a gas plant that can work inside Aspen HYSYS. To be able to run this program inside HYSYS, both HYSYS and SULSIM should install on your machine. The first license is the link license and second one is SULSIM license and both are given by Aspentech these... |
Problem Statement: Is there any method which could be used in place of Sulzer Method? | Solution: Aspen HYSYS added a TPSAR Tray Sizing utility which can handle Sulzer packing types.
In TPSAR Tray Sizing different Mellapak packings available,
Flexipac (Metal Structured) Mellapac 125 & FlexipacHC 1YHC are some examples.
Keywords: Sulzer, Packing Methods, TRSAR Tray Sizing , FlexipacHC 1YHC, Mellapak packi... |
Problem Statement: There might be situations when you need to change the Activity labels on the Planning Board. This solution explains how to configure this.
The prerequisite for reading this document is a basic understanding of Aspen SCM. | Solution: There is a table called PBLBCTL which controls the Activity Labeling schemes on the Planning Board.
The Rowset of this table (PBLBMOD) corresponds to the View Settings Panel | Gantt Chart Labels section | Label Above / Inside / Below Format dropdown menu.
For the corresponding entries of PBLBMOD, there i... |
Problem Statement: Where can I see reference calculation methods & equations for various petroleum properties in Aspen HYSYS Petroleum Refining? | Solution: Open Aspen Hysys application
Click on “F1� key for help
Please select “Contents� tab as shown below
Expand “+� of Refining Unit Operations
Expand “+� of Appendix of Petroleum Methods and Correlations
Keywords: Petroleum properties calculation, Flash Point calculation, Aniline Point calculation... |
Problem Statement: What is the usage of the button "Execute Excel Macro button" when running a report template from the Excel ribbon? How do I include in the created template a customized macro to be executed after the report has been generated? | Solution: The option called "Execute Excel Macro" is located in RUN REPORT dialog box populated after selecting an existing template and then selecting the RUN option from the Report Wizard ribbon.
All macros which are defined in the template would be executed after the report is generated when "Execute Excel Macro"... |
Problem Statement: I create a case 'NEW' from an existing case, for instance, 'C14' and am working in case 'NEW'. When changes come through for the case used by others 'C14', are events in 'NEW' getting changes as well? | Solution: The answer is no. When a user creates a new case (using "Add a Case" from an existing Case) any changes to the current case are saved only to the newly created case and vice versa. If other users do some changes in "C14, for instance, the NEW case should not be updated with this information.
This is because t... |
Problem Statement: Why is the Pressure Drop not changing on the fly by or in the PFR table showed in the PFD? | Solution: The displayed pressure is not changing because it's displaying the delta P that was used in Steady State. What's recommended is to check the stream pressures or to build a spreadsheet to always calculate the DP across the PFR.
Keywords: PFR dynamic, Pressure Drop
References: None |
Problem Statement: Importing Crude Events (receipts) through Excel Integration Utility (EIU):
-Crude composition (%) are not calculated properly(WCW=416.67%;FSW=83.578) | Solution: The reason for the wrong imported percentage is because the EIU Settings spreadsheet configuration
Changing the option to "Percentage(P)" will fix this issue.Now WCW=83.293% and FSW=16.70%as expected (matching with EIU Crude Receipt spreadsheet)
Keywords: -Excel Integration Utility
-Settings
References: No... |
Problem Statement: I get the following message :
"Volume based inventories are being loaded into a weight based model."
in EIU (Excel Integration Utility) template even though:
- Only was uploading the tank weight values (WGT);
- Have set 'Validate VOL_WGT Row' to N in the Settings ... | Solution: This kind of error could happen, for example, if your model Crude Basis is "Weight", but Process Basis is "Volume", in the CONFIG table (WGTVOL = V). EIU checks this field to identify whether it is weight/Volume basis. So this error message is by design.
Modify “Inventory Reporting” to “V” or "W" according... |
Problem Statement: How to define Event driven Step control in cyclic steady state (CSS) modeling. | Solution: We do not have an event-driven step control option in cycle organizer, when using cyclic steady state ( CSS) model. We can only specify the time driven step controls. If we want to use event-driven step controls option, then we should use gas_dynamic library model.
Key words
CSS, cycle organizer, adsorption... |
Problem Statement: After installing Aspen HYSYS V8.4, you may encounter "Unable to acquire" error for license keys SLM_TR_PML_HYSYSPIPE, SLM_TR_PML_HYS_ACIDGAS, or SLM_TR_PML_HYS_PSVPLUS. | Solution: These licenses were introduced in Aspen HYSYS V8.4. To resolve you will need to submit a license key request.
KeyWords
Aspen HYSYS
SLM_TR_PML_HYS_PSVPLUS
SLM_TR_PML_HYSYSPIPE
SLM_TR_PML_HYS_ACIDGAS
Keywords: None
References: None |
Problem Statement: How can I have aspenONE V7.3 and V8.4 installed at the same time? | Solution: If you would like to have aspenONE V7.3 and V8.4 installed then here are the list of things you need to consider.
Step 1: Check the system requirements for V8.4 - System Requirements
Step 2: Install all pre-requisites before installing aspen software.
· Internet Explorer – See individual installation ... |
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