Questions tagged [ansys]

The tag has no usage guidance.

Filter by
Sorted by
Tagged with
1
vote
1answer
35 views

Why should I use a contact between two glued bodies in FEA when I can directly merge the mesh nodes between them?

So I am using ANSYS to conduct a FEA analysis. I have two options to built a connection between two bodies; first is I can use a contact (like bonded) between the touching faces and the other option ...
1
vote
0answers
13 views

FEA Simulation of CHASSIS [closed]

What are the most accurate methods in static state for simulation of chassis wrt 4 cases: lateral bending, torsion, head on collision and a zero turn. The problem arises when it comes to applying the ...
1
vote
0answers
11 views

How to export 'simplified' geometry from Simulation workspace in Fusion 360 to ANSYS Mechanical?

I would like to export the defeatured version of my design to ANSYS. I tried adopting the following methods but they weren't working out. (https://forums.autodesk.com/t5/fusion-360-design-validate/...
0
votes
0answers
76 views

Downloading Ansys 2020/ 2021 R2

On the website https://www.ansys.com/academic/students/ansys-student a number of different free softwares are available to be downloaded, but they are all the latest 2021 versions and do not include ...
0
votes
0answers
20 views

Changing mesh size in Ansys Workbench

When trying to change the mesh sizing of an element by selecting it and then choosing the apply option in Geometry, when I try to change the default element size and click enter or click elsewhere the ...
1
vote
0answers
41 views

ANSYS: Why do I have a choice of choosing TOP/BOTTOM under contact/target shell faces?

When ever I try to use a surface to surface contact, i.e. 2D shell elements to 2D shell elements, under the option Contact/Target shell face, either I can pick TOP or BOTTOM. Why is that? How is that ...
0
votes
0answers
41 views

Craig Bampton Model Order Reduction on Ansys

I am in the process of modeling a component as a flexible body in Simscape Multibody environment (Simulink). I need to superimpose rigid body model with the deformation model. The deformation model is ...
0
votes
0answers
44 views

Simscape Flexible body - modeling a busbar as a flexible component on Simscape

I am trying to model a copper busbar as a flexible body for simulating it in the Simscape Multibody environment. I have built the model, but I am failing to generate the flexibility. I will describe ...
0
votes
0answers
40 views

DC and AC Simulation on Ansys Maxwell for calculating the core and winding losses in an Inductor

I want to simulate the core and the winding losses in an inductor using Ansys Maxwell when imprinted with a triangular pulse(positive RMS Current). I am doing a DC simulation to get the inductance ...
0
votes
0answers
28 views

inverse finite element with Ansys

I need to find blank sheet of a Double-Curved sheet metal part. There are some functions in CAD softwares like Solidworks, Catia, Nx, 3dQuickForm (solidworks Add-in) and etc for flattening a surface, ...
0
votes
0answers
55 views

Remote point vs point mass in Ansys

I have seen the feature of promoting a point mass to remote point and I cannot figure out what are the use cases of using that feature. I understood that you can add command snippet below remote point ...
-1
votes
1answer
201 views

Velocity inlet boundary condition in Ansys Fluent

Ansys Fluent offers a very simplified version of boundary conditions. So if I know the velocity at the inlet, I need not care about pressure and vice versa. What I am having trouble with is that I ...
1
vote
0answers
35 views

Meshing Error near Leading and Trailing edges

I am trying to mesh the propeller geometry in the Ansys meshing tool. At the leading and trailing edges of the propeller, mesh goes out of boundary. I did a geometry check of the CAD model in ...
1
vote
0answers
67 views

UV radiation simulation in ANSYS

I am setting up a simulation in fluent to estimate the UV radiation dosage of an air stream passing through a cylindrical duct with the UV source in line with its main axis. It is a very simple system,...
-1
votes
1answer
31 views

Deformation and stress in moment of hit (Ansys)

This how task goes: i need to find deformation and stress of piston in moment of hit between piston and tool (tool is stationary). Velocity of a piston is (5-7 m/s) and forces are in picture below. I ...
1
vote
0answers
21 views

Ansys Fluent - Turbulent model and mesh

I am currently working on a project that involves CFD simulation on ANSYS and i need some help as it has got me stuck. I am designing a faucet atomizer and it's functioning is similar to a nozzle. I ...
0
votes
0answers
22 views

Solution diverges for Converging-Diverging Nozzle

I am trying to run a CFD simulation for an ASTAR nozzle but cannot get the solution to converge. These are the steps I took to try and run the simulation. I made the geometry in Solidworks and ...
2
votes
0answers
89 views

Airfoil meshing using ANSYS

Logged in a little time ago i have a new question. So I am trying to mesh an arifoil geometry using ANSYS meshing. Airfoil number is NACA 84-M profile. Running 2-D simulation my main objective is to ...
3
votes
1answer
3k views

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 ...
1
vote
1answer
817 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 ...
0
votes
0answers
33 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 ...
0
votes
0answers
16 views

How do I add the nodes' IDs and locations that are situated on a helix in space to a set in ADPL?

I have a beam structure in the form of a Helix. How do I add the nodes positioned on this helix using ANSYS APDL ? I need to add the locations and IDs in separte sets.
1
vote
1answer
105 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 ...
0
votes
1answer
99 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!
2
votes
1answer
41 views

Direct Optimisation - How to Create Time Efficient Study

I made a simulation of this cylinder that is being suspended mid air and held up by 8 rods, 4 on top and 4 on the bottom. The entire model is cooled to 15K I managed to find the forces required for 6 ...
0
votes
0answers
47 views

Flow Simulation for Laminar Flow in Annular Gap?

Would anyone be able to run an air flow simulation through the following geometry at 100 cc/min? I'm curious if any dead spots occur and if the geometry of the annular gap will produce laminar flow. ...
1
vote
1answer
546 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 ...
0
votes
2answers
283 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 ...
1
vote
0answers
283 views

ANSYS Fluent - Using Patch to set initial conditions, should I set the pressure and velocity or only one property to generate shock waves in a pipe?

I am fairly new to CFD and I am working in ANSYS Fluent. I am trying to model two specific shock waves in opposite directions in a length pipe. The shock waves need to be traveling at specific Mach ...
0
votes
1answer
351 views

How to get laminate stiffness matrices (ABD) in APDL ANSYS?

I am trying to perform structural analysis of composite pressure vessel in APDL/ANSYS. I have completed the solution and now I want to extract ABD matrix.Do anyone have an idea about this?
0
votes
0answers
808 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 ...
-1
votes
1answer
309 views

Inertia relief in ANSYS - rotating model

I'm trying to use ANSYS to solve statically a dynamic problem. As shown in the image below, there is an orange bar that is constraint to slide horizontally only and attached to another bar (pink) ...
0
votes
3answers
193 views

Longitudinal and transversal strain

The Poisson ratio of the material equals 0,33. If I load a cube or a cylinder that is fixed at one end with compression force in ANSYS I can confirm that the ratio is 0,33 by dividing the lateral by ...
2
votes
0answers
59 views

Flow rate at the vent exit

I am working on a vent. The vent is attached to a box and is designed to extract air out of the box using the venturi effect. Air is made to flow over the vent which creates a significant pressure ...
1
vote
1answer
521 views

Model Reduction - Export matrices from ANSYS to MATLAB

I am trying to reduce my model in ANSYS using Craig-Bampton Method. My ultimate goal is to read system matrices, stiffness, damping and mass matrix with MATLAB. The size of stiffness matrix that I ...
2
votes
0answers
298 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 ...
2
votes
0answers
60 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?
1
vote
0answers
246 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
1answer
1k 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 ...
0
votes
1answer
89 views

How to prove that during loading session of glass container, which will happen first - overstressing or buckling - via FEA?

How do I prove that during a loading session of a glass container, between two failure modes, overstressing or buckling, which will happen first via FEA? Is there any scientific way of approaching ...
1
vote
1answer
368 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 ...
1
vote
0answers
198 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 ...
0
votes
1answer
360 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)...
1
vote
0answers
38 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?
1
vote
0answers
190 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: ...
0
votes
1answer
243 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
votes
2answers
1k 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 ...
1
vote
0answers
29 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 ...
0
votes
0answers
162 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 ...
0
votes
1answer
888 views

How to avoid contact 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 ...