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Questions tagged [ansys-workbench]

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While using Transient Time Solver, I am facing many errors such as, a) floating point error b) Temperature AMG divergence c) Reversed flow

Introduction I am doing a Computational Fluid Dynamics Study on Dispersion of gases over buildings. The scenario that is portrayed would be in the event of an explosion, how would the plumes or ...
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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 ...
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Simulating heat transfer though a wooden slab in Workbench

I would like to simulate heat transfer through a wooden slab in Workbench. I don't need to simulate the actual burning but the destruction of material. Basically, on one side of the burning slab I ...
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1answer
38 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- ...
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Joint Revolute or Fixed?

a shaft is driven by a motor, it is supported in two places by ball bearings and connected in third place by a motor. how can I use this example in Ansys WB? 1. variant : two places, where the bearing ...
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35 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 ...
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83 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 ...
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27 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?
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43 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 ...
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1answer
180 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 ...
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1answer
118 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 ...
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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: ...
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How can I define temporary contacts in Ansys?

For a special simulation I need to define a temporary contact between three objects that two of them are perpendicular to one of them and the two push the one step by step. When they are at rest, ...
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1answer
79 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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1answer
134 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 ...
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80 views

Tracing each streamline in Fluent Post-Processing

A simple steady-state pipe flow has been simulated with a pressure inlet and a pressure outlet, with some known fluid properties and symmetric feature (only modeled half of the pipe). The flow is ...
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153 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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54 views

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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1answer
2k 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? ...
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72 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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347 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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1answer
526 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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115 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 ...
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2answers
2k 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 ...