# Questions tagged [ansys-workbench]

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### Using GPU Acceleration in ANSYS Mechanical

I am attempting to solve ANSYS mechanical (via workbench) using GPU acceleration, but I keep getting the following error: * WARNING * CP = 79.594 TIME= 15:40:08 ...
• 508
2k views

### Finding Poisson's ratio of 3D model in ANSYS

I want to find the Poisson's ratio of a 3D model, not the material but the model. How can I do this in ANSYS workbench? I am using this formula, but I can't get it to work with different models. I am ...
• 145
8k views

### ansys workbech structural- difference between pressure and surface force application

In Ansys workbench , structural module, in modelling, what is the exact difference between pressure and surface force application? Is surface force applied in same manner as that of pressure ...
• 33
59 views

### Why does it take lesser iterations for a stiffer model in my FEA than a less stiffer model to converge?

I am currently using ANSYS FEA software and I conducted a simple geometric non-linear analysis of two same shaped bodies, but different cross sectional areas; one being quite bigger than the other. We ...
• 1,365
125 views

### Bolted joint junker test with finite element method

Anybody knows a tutorial to make a finite element analysis for bolted joints like junker test(fastener vibration) in Solidworks or Ansys?
926 views

### How to simulate an exhaust fan condition in ANSYS Fluent?

I'm trying to simulate a model which has one inlet and three outlets, and I'm passing air through it. Now, I want one of the outlets to have exhaust fan. I see options of exhaust fan and outlet-vent ...
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794 views

### how to release specific degree of freedom in ANSYS Workbench?

I'm designing a truss which has 9 elements in ANSYS Workbench. since it is a truss, all of the elements are truss elements and can not tolerate momentum. I used <...
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1 vote
2k views

### How do I import an .inp and an IGES together into Ansys workbench?

I have an .inp file of Ansys that is basically a mesh, that could be imported into Ansys APDL and converting to .cdb file. But ...
1 vote
643 views

### How to create RBE2 between the end edges of a cylinder and end nodes of a beam element in ANSYS APDL?

I have a cylinder with shell mesh. on its axis I have a beam with the same length of the cylinder. I want to create an RBE2 between each end edge nodes of the cylinder and the corresponding end node ...
1 vote
1k views

### How to get element coordinate system information (location, angle) for each element using ANSYS Mechanical APDL

We can get local coordinate system information (location and rotation angle (in degrees) relative to the global Cartesian coordinate system.) by using ...
• 148
1 vote
3k views

### Ansys Workbench, defining ambient temperature correctly

this is probably a beginner's question. I have a simple solid material, lets say wood wall. I am performing transient-thermal analysis. On one side, I have elevated temperatures (after 30 minutes, I ...
• 161
1 vote
6k views

### Change material properties of elements in named selection in Ansys workbench using APDL commands

How to change the material properties, i.e. Young's modulus and Poisson's ratio, of a set of elements which is defined by a named selection in Ansys workbench using a command snippet of APDL code? ...
1 vote
55 views

### My ANSYS model meshing is showing problem where I don't see my model and small blue rectangle appears. Is there any way to solve this?

I'm new to ANSYS and just started using it. I encountered a problem when I click the model option; ANSYS Mechanical opens, but there is this blue rectangle, which is supposed to be big and show my ...
1 vote
1k views

### Ansys Norton creep power law constants?

I’m trying to learn creep analysis in Ansys, and am currently working on deriving creep constants, specifically C1, C2, and C3 for the Norton Power Law. I understand that the equation is usually shown ...
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1 vote
44 views

### Flow of hot gasses around the pipe

I have the following problem: there is a copper pipe getting through a wooden wall. On one side of the wall (hot side), I have elevated temperature which is defined by radiation and convection. On the ...
• 161
1 vote
438 views

### How to add Beam cross section properties to imported mesh in Ansys?

Ansys Workbench 17.1 I have a mesh that was imported from Abaqus into Ansys but the beam cross section data is missing. As a result the structural model omits the beam elements. How do I access the ...
• 121
1 vote
392 views

### Ansys Fluent: how to change the temperature digit precision in writing to file XY-plot?

I want to write to file data from XY-Plot with temperature depending on the location. In Axis menu I set a max precision (9) for X and Y. However, Fluent writes data like this ...
1 vote
579 views

### Debugging Ansys ACT C# Extensions

I'm using the Ansys ACT Api with C# to create an extension for Ansys (Mechanical). When developing the extension I need to build a dll file from C# code (using Visual Studio). My problem is that ...
• 111
1 vote
227 views

### Edge sizing control is applying number of divisions and biasing unexpectedly

When I generate Mesh elements in Ansys Fluent, they aren't generated as expected with the edge sizing control. I've set the Edge Sizing control of this edge with these settings: (Number of Divisions: ...
• 111
1 vote
234 views

### Nonlinear simulation in ANSYS workbench

I'm trying to conduct a thermo-mechanical analysis in ansys workbench, I've been able to obtain some results using the transient thermal and static structural modules, however, I would like to perform ...
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594 views

### Element order option missing

Part of my project is to compare linear elements and quadratic elements with a Quad mesh within Ansys workbench - static structural. The button that my classmates have to change between element orders ...
• 111
951 views

### modelling truss in ANSYS

I want to model an ideal truss in ANSYS 16.1 and by ideal I mean all of the joints are pinned joints and so the momentum can not be transferred at joints(like attached image). The problem is that I ...
• 29
142 views

### Why the mode frequency is approximate in modal analysis?

I have used the Ansys workbench to carry the modal analysis of one motor stator and under the free modal analysis, the first 6 mode frequency are all zero, it is ok because of the first 6 mode does ...
• 1
432 views

### Ansys Mechanical Modal analysis, Parametric materials, mode shape output for each parameter?

I am trying to match FEA results with an experiment, wherein I need to match mode shapes and frequencies. I am testing different models, and I would like to parameterize several material properties. ...
97 views

### Workbench: Explain the difference between the case with bonded contact and the case with the frictional coefficient of 0.01

Explain the difference between the case 1 with bonded contact (top image) and the case 2 (bottom image) with the frictional coefficient of 0.01 For both cases, the top plate has displacement and the ...
240 views

### ANSYS Design Modeller more significant figures

I need to just get the volume from ANSYS Design Modeller but I would like a higher number of significant figures rather than just 5 (See picture). How do I do this? Thank you for your help!
94 views

### stress in X- and Y-direction

A steel parallelepiped with a square cross-section fits exactly into the cavity. it's loaded from the top surface(see picture). how can I calculate the stress in X- and Y-direction if the strain in X- ...
5k views

### How to remove a 'mesh edit' item in ANSYS Workbench?

I accidentally inserted a mesh edit item and tried moving a node, but now can't remove it. The context menu doesn't have any helpful options and I don't see any relating tools in toolbars. How to ...
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80 views

### Best Practice for Multiple Zones in ANSYS Design Modeler for a 3D Structured Mesh for Fluent Simulation

I am building a structured mesh in a rectangular domain to model the flow over a wing with impinging jets at the root over the surface in the spanwise direction. I've tried building unstructured ...
• 162
34 views

### Ansys Pedestrian-Induced Vibration on Bridge

I have a concrete girder box bridge that is 40 m long and 4 meters wide, and I would like to simulate the response of the bridge using Ansys random vibration for pedestrian traffic. What are ...
65 views

### When to use MPC Contact formulation in Ansys?

I was suggested to use MPC while analysing with beam elements. It's for an analysis of a table to be used in harsh shock conditions.
28 views

### Identifying Marin Factors In Ansys For Fatigue Analysis

I am conducting a fatigue analysis for a mechanical shaft on ANSYS. Everything is fine except for defining marin factors. I am eager to specify some crucial marin factors, such as the temperature ...
34 views

### Define material from Ogden–Holzapfel two-fiber strain-energy function in Ansys

I'm trying to do a FSI simulation with properties, described in this paper and for the structural properties, the authors use an Ogden–Holzapfel two-fiber strain-energy function to describe the solid ...
31 views

### Not able to make enclosure in DesignModeller

I have a Fusion 360 model that I imported into ANSYS Workbench Fluent as a .step file. I want to make an enclosure around it but it is giving me an error. The error doesn't occur if I choose just any ...
24 views

### Which boundary condition to delimit air volume body to the atmospheric environment (ANSYS)

I simulate the air flow into a cooling tank due to the temperature or density differences with the environment. I have represented the environment as an air volume body and would like to select the ...
77 views

### In Ansys ICEM CFD, what do these "cube" symbols on the midpoint of block edges mean?

When I was meshing a helical coil, I've noticed these "cube" symbols located at the midpoint of a the block's edges: Blocks with these symbols tend to have a lot of strange/unpredictable ...
216 views

### ANSYS GPU Acceleration Problem "Partial Pivoting"

When i try to use GPU in ANSYS 2022 R2 the warning appears as "gpu accelerator capability is not supported when the partial pivoting logic is activated. the GPU accelerator capability is disabled&...
146 views

### Workbench Ansys Mesh Convergence study

Is it possible to perform a mesh study using Ansys? So I want to change the mesh size, and show the effect of this on my solutions, any suggestions?
116 views

### How to select a boundary condition in Ansys

In Ansys, let’s say I wanted one end of a beam for example to be fixed (so sort of like clamped in reality), How would I apply this boundary condition to that end? Assuming I have a model already made
127 views

### Why am I getting an ever increasing value of power co-efficient (Cp) with the increase of TSR in Vertical axis wind turbine simulation?

I am trying to get the bell-shaped Cp vs TSR graph in my 2D simulation of the H-Darrieus vertical axis wind turbine (using a sliding mesh model). However, I am always getting an ever increase of Cp ...
• 1
853 views

### How to automate "Clear Generated Data" and "Solve" actions in Ansys WorkBench?

Using Mechanical, there is automation and I can record the process, but what I wanted to do is that for it to first clear the generated data, then proceed with solve (whole model - two steps). It ...
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200 views

### Can we run ANSYS Fluent/OpenFOAM simulations in AWS or any free server?

I was planning to run some FSI related simulations. But the computation capacity that I have is not sufficient. But I had heard that there is a possibility to create instances in the Amazon EC2 or the ...
55 views

### Are the Beam elements created from a 3D polyline in Ansys SpaceClaim also 3D in their DOF?

I have created a 3D polyline and assigned a Beam profile to it. But I don't get the results from my Explicit analysis where this beam is in contact with a shell surface. I am afraid that the Beam has ...
2k views

### Geometry editor was closed abnormally

I got a terrible error in the Ansys when I try to create a new project. I couldn't be able to open the geometry. Every time i open it i get the error "Geometry editor was closed abnormally" I ...
414 views

### Ansys multiphysics import deformed mesh to HFSS

I want to run a coupled simulation in Ansys - RF heating and deformation of waveguide. Pictures of project layout and settings are here. I calculated RF fields and surface losses in HFSS; imported ...
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### Can Ansys import parameters

In Ansys workbench is it possible to import parameters with part geometry? Eg. if I create part or assembly in Creo or SolidWorks and define parameters for this geometry, can I export parameters with ...
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