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Questions tagged [ansys]

Anything related to ANSYS, the CAE/multiphysics engineering simulation software for product design, testing and operation.

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ANSYS APDL Shape memory effect option of SMA not working

I am trying to define the material properties of a shape memory alloy material in ANSYS APDL V15. There are material properties for Superelastic materials (SUPE option) and material properties for ...
imacube's user avatar
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8 votes
0 answers
7k views

Residuals of continuity not converging

I'm simulating a turbine. The convergence of solution is monitored by checking the residuals of the numerically solved governing equations. The "viscous-spalarat-almaras" model is used, and used air ...
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5 votes
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320 views

Explicit Dynamic ANSYS - Origami structure

I am working on a flat-foldable conical structure and I would like to carry out some dynamic tests on it (deployment to get the displacements and accelerations...). I have designed the folded ...
Rixpuk's user avatar
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4 votes
2 answers
778 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 ...
Josie Colclough's user avatar
2 votes
0 answers
196 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 ...
Theodosis Koutsoukos's user avatar
2 votes
0 answers
82 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 ...
jaisingh's user avatar
2 votes
0 answers
123 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?
Balázs Búr's user avatar
2 votes
0 answers
793 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 <...
SAndroid's user avatar
2 votes
0 answers
149 views

Problem in an axial turbine

I am simulating an known as , using CFX as a solver. This turbine have 8 blades((360/8)=45 deg=pitch angle). Due to the circumferential symmetry, only one eight of the annulus has been computed, ...
user19061's user avatar
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2 votes
0 answers
355 views

unexpected bodies appear in ansys mechanical

I am using ANSYS Workbench 16.0, static structure analysis. An assembly is imported from NX 8.0. In Design Modeler, I modified some parts and regrouped them, at last there are 129 bodies, and 9 parts ...
landings's user avatar
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2 votes
1 answer
754 views

Problems with shear force diagram in beam model

I am starting to learn how to use ANSYS APDL. So I don't have much knowledge in the software. I have modelled a cantilever beam (with beam188 elements) and the only load that i have applied was the ...
Marina Vendl Craveiro's user avatar
1 vote
0 answers
54 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 ...
Subarna Regmi's user avatar
1 vote
0 answers
43 views

Homogeneous magnetic field inside aperture of PCB

I need to create a homogeneous magnetic field of a certain strength across a 10mm diameter opening of a PCB by using a current track on said PCB around the opening. The signal sent through the ...
Swoopoo's user avatar
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1 vote
0 answers
201 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/...
Sharath Chandar's user avatar
1 vote
0 answers
218 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,...
JC ME's user avatar
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1 vote
0 answers
41 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 ...
Siddharth Vohra's user avatar
1 vote
0 answers
433 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 ...
DrBwts's user avatar
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1 vote
0 answers
388 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 ...
Alexandra's user avatar
1 vote
1 answer
578 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 ...
remi's user avatar
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1 vote
0 answers
274 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 ...
Am ir's user avatar
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1 vote
0 answers
45 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?
user16357's user avatar
1 vote
0 answers
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: ...
Omar's user avatar
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1 vote
0 answers
32 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 ...
blackarrow's user avatar
1 vote
0 answers
51 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 ...
Aditya Paul's user avatar
1 vote
0 answers
147 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 ...
user11287's user avatar
1 vote
0 answers
81 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?
MSIngh's user avatar
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1 vote
0 answers
162 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 "...
Worldsheep's user avatar
1 vote
0 answers
2k 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 ...
Naseeb Gill's user avatar
1 vote
0 answers
926 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 ...
Gabriel Barros's user avatar
1 vote
0 answers
156 views

Is there any way to see mass of a part in autodyn?

I'm trying to model a blast in autodyn using axysimmetric wedge formulation in order to remap a 3d problem later. But I don't know how to calculate the radius of the explosive to match the given mass, ...
Fedor's user avatar
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0 votes
0 answers
10 views

Problem with model constraints in ANSYS mechanical

I've been trying to run an analysis of the geometry in the attached images. The geometry consists of an inner tube with protrusions along an axis (this axis is not parallel to the Y axis) and an outer ...
Oladipo Quadri's user avatar
0 votes
0 answers
6 views

RBE duplication in Hyperworks 2022

Let's assume that I have 50 rows of elements in cone from the basement to the top. And so I need to do rbe contact between each row of elements, but I don't want to repeat the operation every time. Is ...
Nock's user avatar
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0 votes
0 answers
21 views

I have a question about INISTATE Code (Analyzing a curved plate)

I'm studying welding-induced residual stresses for curved steel plates. So, I need to use the INISTATE code taking initial stresses. This is the picture that I want to analyze. I divided a curved ...
moong's user avatar
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0 votes
0 answers
36 views

Uniform Direction for Line Directions

Despite several similar questions and my efforts, there is still no solution so far. Presently, ANSYS gives Directions to Lines on its own which are flipped even for two collinear lines. As a results ...
Rehan Khan's user avatar
0 votes
1 answer
40 views

Need to Align Line Directions Normals Along Specific Coord in APDL

In Preprocessor of APDL, I have built areas which are meshed with shell element and lines meshed with beam elements. I have assigned Sections to Beam elements but when I view them their cross sections ...
Rehan Khan's user avatar
0 votes
0 answers
33 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 ...
James's user avatar
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0 votes
0 answers
75 views

Setting direction vectors for Lines in ANSYS APDL

I am using beam elements to mesh lines with "pre-meshed" shell areas. Problem is that the ANSYS sets Line Direction vectors on its own. This results in Cross sections assignment flipped from ...
Rehan Khan's user avatar
0 votes
0 answers
58 views

Need to Align All Line Normals to Global Direction in ANSYS APDL

I am using beam elements to mesh lines with "pre-meshed" shell areas. Problem is that the line normals are arbitrarily assigned to the lines resulting beam cross sections switched at line ...
Rehan Khan's user avatar
0 votes
0 answers
34 views

Understanding mesh for a cylinder

I came across this video on YouTube, and would like to know more about the mesh, such as the internal structure. Is there a reason to do it that way? Am i correct in saying there is an o-grid around ...
James's user avatar
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0 votes
0 answers
26 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 ...
Jesse Flynn's user avatar
0 votes
0 answers
17 views

Configurating heat transfer between parts

I am new to Ansys, so sorry if I have some misunderstood parts. I am doing a Steady-state Thermal simulation of a PCB with some of its components. I am currently simulating only the highlighted ...
PepitoGrillo's user avatar
0 votes
1 answer
12 views

Is it possible to model the connection of pre-cast and site cast concrete beam on FEA software such as Ansys?

I'm looking for a way to compare the joint strength of beam-to-column connections of pre-cast and site cast concrete. Is it possible to do this on a FEA software?
porcupine1999's user avatar
0 votes
0 answers
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 ...
Laura's user avatar
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0 votes
1 answer
25 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 ...
user43131's user avatar
0 votes
0 answers
45 views

Ansys Mechanical Section Plane Error

I'm attempting to make a deformation analysis for a specific scenario in Ansys Mechanical. Everything seems to be fine, but when I try to use a section plane, the deformed region appears to be 'hollow,...
Mohamed Obeid's user avatar
0 votes
0 answers
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 ...
jotaro's user avatar
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0 votes
0 answers
38 views

How to simulate thermal processes in heat pipes with Ansys

I want to simulate two heat pipelines - first pipe is supply pipe with temperature of 130°C and the other one with temperature of 70°C steady state thermal. Both carry water but under different ...
vocis's user avatar
  • 1
0 votes
0 answers
13 views

Boundary condition of vibrating flange in ANSYS mechanical

I have a structure with both sides a having flange. The vibration comes to plant from one of the flanges. The structure has it's own fixed support on its bottom, bearing its weight. I assumed force is ...
mohammadsdtmnd's user avatar
0 votes
0 answers
65 views

Error message in ANSYS Fluent setup

While trying to run a simulation in ANSYS Fluent, I am getting this error message : Error at Node 0: Normalized key of 26982 is out of range [0, 27030]. This error message comes when I try to run the ...
ArthurJ's user avatar
0 votes
0 answers
28 views

Thermal Undershooting In SLM Simulation on Ansys Fluent

I am creating a SLM simulation of basalt on Ansys Fluent. I have enabled laminar viscosity, solidification and melting, and the energy equation. The heat flux is applied to the top wall through the ...
user347553's user avatar