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20 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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0answers
6 views

Is it possible to share the results of a static analysis to another static analysis in Ansys?

I am using Ansys R18.2 I have different load cases to analyze on one single structure. Each analysis starts with the structure being loaded and some bolt pretension then the load case diverges in the ...
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1answer
28 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
29 views

FEA; overstressing over crushing for glass container

How do I prove that during a loading session of a glass container, between two failure modes, overstressing or buckling (crushing), which will happen first via FEA? Is there any scientific way of ...
1
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1answer
39 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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0answers
18 views

How to solve mesh error for narrow surfaces in Ansys Meshing?

I am simulating a spherical grooved bearing….e.g. A bearing that has spiral grooves on the ball. Please see the following figures. There is a kind of lubricant between ball and cup, so as to prevent ...
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1answer
40 views

Should I apply Force or Pressure, Ansys Static Structural

I am working on a project where I must find the maximum principal stresses on an object subjected to impact loading condition. I know the velocity of the object (the one which will hit the test object)...
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0answers
17 views

Is RotCFD or Ansys Fluent better to capture the wake pattern far downstream of a flow in the case of a rotating blade?

My main constraint is that the wake pattern to be worked on is far downstream. Which one will give me more accurate results? Will these two work well for the far wake at all?
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19 views

Ansys or Solidworks for heat transfer

I intend to simulate heat transfer for the building (greenhouse). And I gonna use conduction through the walls with convention heat transfer (inside air - wall insulation ). After oserving the ...
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0answers
38 views

Can a 'Point on Curve Joint' (ANSYS Rigid Body Dynamics) be applied to a 3D curve?

I am looking to simulate a cylindrical barrel with a track cut into it, that a pin slides along - essentially transfering rotational motion of the barrel to linear motion of the follower pin. ...
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0answers
14 views

How to export my model as Solid model IGES Type 186 on Rhino?

I'm not able to find that option while exporting. I need to export this to ANSYS where the other available IGES formats come as only surface models.
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0answers
16 views

How to simulate this negative pressure condition on ANSYS Fluent?

I want to simulate a model which has a negative pressure/suction at the common outlet and openings just like the one shown in the picture below. I want the wind to pass through the model, and the ...
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0answers
10 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: ...
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0answers
20 views

APDL hardpoints nodes keypoints etc

I'm conducting analysis of a beam structure using beam188s in apdl, Need to find the deflection of a point some distance along one of these beams. I created a hardpoint at this place, but how am i to ...
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0answers
20 views

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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0answers
10 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 ...
3
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1answer
69 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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0answers
23 views

Modeling high thermal expansion under fire

I am trying to use Ansys Workbench (Transient Thermal probably coupled with Static Structural analysis) to simulate behavior of a fire protection sleeve. It is used to seal the fire sectors in place ...
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0answers
78 views

FEA Modelling of wood

I am working on designing an item for my local circus, a teeterboard (essentially a see-saw that people jump on each and it launches them in to the air to do flips etc) . I am working to get it ...
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0answers
27 views

How to restart a coupled pore fluid diffusion analysis in ansys apdl?

i am trying to restart a coupled pore fluid diffusion analysis using multi frame restart method; but after the initial run of the model, the following message has appeared : the restart command doesn'...
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0answers
23 views

Can I get a graph of the span-wise lift distribution on a wing using SolidWorks flow simulation?

I'm working on a project that is a small cargo rc aircraft.. so i wanted to design the wing spar so that it can withstand the lift force created by the wing.. I know how to use solidworks simulation ...
0
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0answers
53 views

What is the meaning of repetitive node indices and the 0th node from an ANSYS element list file?

This element list file is not generated by me. Most lines are OK, but I can't understand some of them. The initial lines are like this: ...
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0answers
40 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
81 views

How to avoid a Contatct penetration in ansys

I am trying to simulate contact between a flat rigid plate and a sphere. I am applying a load on the flat rigid plate and the sphere is flexible. How can I avoid this flat from penetrating into the ...
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1answer
126 views

How to use more CPU cores in SpaceClaim?

This is a more technical rather than professional question. I have a hyper-threaded quad core CPU. While building models in SpaceClaim I noticed that it only uses one logical core. A single core will ...
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0answers
16 views

Modelling Convection in Fluent

I am new to Ansys Fluent and am trying to model heat transfer through a system of fins. The analysis is in 3D. I have set the Energy Equation as ON. The problem is that when I set heat loss by ...
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1answer
60 views

Writing a User Defined Function for Ansys Fluent

Is it only possible to write a User Defined Function for Ansys Fluent in C? All of the tutorials I could access online do so. I was wondering if this could be done using Java, or any other language ...
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0answers
117 views

Importing “Named Selections” from SpaceClaim in to ANSYS R16.2 Mechanical Modules

I am using ANSYS Workbench version R16.2 with (integrated) SpaceClaim 2015.0 SP2. Following this guide and this video (start at 5:30 and watch for about 30 seconds). Both indicate that by merely ...
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0answers
44 views

Importing a time-temperature list into Ansys Fluent for simulation

I am using Ansys Fluent for my simulation. I have a series of connected U pipes surrounded by a hot block (343K) with an inflow of cold water (298K) which is discharging the block. I would like to ...
2
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0answers
231 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 <...
0
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1answer
340 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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0answers
57 views

Material properties of Wheels

I am trying to do a static and dynamic analysis of railway wheel using ANSYS. Can anyone give me a source for the commonly used wheel materials properties? The commonly used steels are: Please ...
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0answers
63 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 ...
2
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1answer
1k 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 ...
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0answers
50 views

Multiphase-Electrostatic ANSYS Workbench

I am trying to simulate multiphase fluid flow (gas-particle) through a electrostatic field. Are there any ways to do this in ANSYS?
0
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2answers
1k views

Display element coordinate system using Ansys Mechcanical APDL

Is there any way to display element coordinate system in ANSYS Mechanical APDL GUI (the same way the global coordinates system is displayed)?
4
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2answers
367 views

How can I reduce the computation time required to simulate a brain tissue penetration model?

I am trying to model the strain generated by inserting an electrode device into brain tissue. I've had some success in doing this in ANSYS Explicit Dynamics. Here's a link to a GIF showing the ...
0
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1answer
387 views

ANSYS Mechanical Contact behavior

I am working on ANSYS Mechanical. As i was reading the user's guide i saw a section about contact behavior. Symmetric and asymmetric. Can someone explain me on this? How to use these contacts?
3
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1answer
1k views

ANSYS Workbench - Support type when lifting

Which type of support should I use when trying to simulate stress in structure that is lifted. Lifting is done by using four lifting lugs and chain angle is 45 degrees. What type of support to use on ...
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0answers
85 views

Ansys: issue with geometry visualisation

I am new to ansys and I am running ansys 17.1 on a macbook (on a parallel desktop) and I have a problem I can't solve. When I import or create a geometry, I can only see the silhouette of it in the "...
1
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1answer
809 views

In ansys workbench, unable to apply bearing load

I'm using Ansys workbench 15 and new to it. I want to perform ball bearing stress analysis but I'm unable to apply bearing load to it. The problem is when I select faces and click on apply, it again ...
3
votes
1answer
312 views

How to represent a load supported at multiple points on multiple beams?

I have a frame, similar to a container frame, with two vessels inside. Each vessel is supported at four points on two beams, as shown in this mockup: I am using ANSYS to simulate the loaded frame. ...
7
votes
0answers
146 views

How to simulate a crack in a PCB? [closed]

I want to break this PCB with some know force of X newtons in the bottom left tip of the PCB. The problem is that in Static Dynamics I just get infinite deformation and in explicit dynamics I really ...
0
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0answers
687 views

ANSYS - Static. Rigid Body Motion problem

I'm currently having a problem with rigid body motion and exceeding internal magnitude for my thesis. So I've made a simple problem to model what I'm having trouble with. I have two objects that I ...
4
votes
1answer
664 views

How to compare two ANSYS mechanical APDL databases? (.db or .dbb files)

I am new to using ANSYS. I use the student version. Is there a way to find what is the difference between two .db or .dbb files? I have two files say a.db and <...
1
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0answers
483 views

Linking ANSYS workbench with excel

I was trying to use the new interface of ANSYS Workbench to couple ANSYS with Excel without learning Python. I'm having problems because I can only set one parameter in Excel, like one cell. Once I ...
1
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0answers
32 views

how to find minor and major dimension after compression on ANSYS [closed]

at the begining,in this models inner diameter 2in,outer diameter 4 inc.I want to find out changes of the shape after compression as inc. R9.jpg
4
votes
1answer
393 views

Interference fit problem in ANSYS Workbench 16.1 - how do I get rid of pressure/displacement raisers?

I have an interference fit problem of two perfect cylinders modelled in 2D using symmetry. The overall interface pressure is around 20MPa lower than the hand calculations and I get non-uniform ...
1
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1answer
340 views

What limits my Courant number in Implicit Density based Solver?

As from the derivation we are able to see that the implicit density based solver (such as BTCS) is unconditionally stable for any courant number. So what is it, which limits the upper boundary of CFL ...