Questions tagged [meshing]
The meshing tag has no usage guidance.
17
questions
2
votes
2answers
47 views
Flat root spline vs filet root spline: what's the difference
I'm looking at a hobby micro servo, which has a 5mm splined shaft output. Specifically, this is a Tower Pro model SG90 or clone. Close-up photos of the shaft below.
I've found online diagrams for ...
0
votes
1answer
16 views
Unable to do anything with the mesh imported from blender
I made an object in Blender (default cube), then exported it to STL, then imported this STL into Solidworks.
Now I see this ...
1
vote
2answers
43 views
Shell vs. solid elements for a fatigue analysis using FEM
What are the advantages and disadvantages of using quads (shells) vs using hexas (solid) in my mesh for a fatigue analysis using a finite element software. Thanks.
1
vote
0answers
34 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
2answers
155 views
How to determine the deflection of a wire mesh under wind load?
I am trying to extend a metal wire mesh over a large distance, while tensioning it to limit the deflection of the mesh due to the wind as much as possible. After doing some research I came across ...
2
votes
0answers
83 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 ...
1
vote
1answer
693 views
Meshing Complex models in abaqus
I'm trying to mesh a model of a morphing wing in Abaqus and have been running into issues. It was recommended that I partition the model into smaller parts, but it seems that the more I try to ...
1
vote
3answers
261 views
What does mesh topology mean?
What is a mesh topology? I have read this term being used in a lot of articles dealing with meshing the computational domain, but could not understand its intuitive meaning. And why is topology called ...
2
votes
1answer
318 views
Trouble with Base circle and meshing with spur gears
I am a novice who is trying to make some gears. I have followed the formula's but sadly something seems to go wrong and the gear's don't come out right. Below is some dimensions and pictures.
Gear 1
...
3
votes
2answers
83 views
Turbulence model for low reynolds problem
I'm simulating the flow in a capillary with a sudden expansion. The small capillary has a diamater of 250 µm. The big capillar has a diamater of 1000 µm. My flow rate ist $ 1\frac{ml}{min} $. Using ...
0
votes
1answer
24 views
is there any other ways to refine mesh size in particular place without making a partition?
I am currently making a corroded model in Abaqus, but not all locations are suffering from corrosion. As shown in the picture there are some parts (the blue parts) that do suffer from corrosion, so ...
0
votes
1answer
72 views
Are there other finite element types besides the usual?
By finite element type I specifically mean element geometry.
I am aware of Beam/Strut, Quad, Tri, Tet & Hex but are there other types, eg a hexagonal prism, rhombihedral etc.. ?
4
votes
2answers
73 views
What is a good method (equation) for locally refining a 1D grid at each end?
I have a grid that I plan to discretize in 1D. It extends from 0 to L using N nodes, and I need to refine it at each end. I plan to have something that looks as follows:
I have tried the to specify ...
0
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0answers
94 views
Marching Voxel FEA Mesh
I'm working on an FEA model and my mesher uses a "Marching Voxel method" I'm wondering what the relationship is between mesh size and computation time is? I.e. if I half the mesh size (1mm to 0.5mm) ...
0
votes
2answers
2k 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 ...
4
votes
2answers
576 views
Efficient 3D mesh topology for CFD simulation of turbine blade
I´m developing a tool to generate an openFoam wind tunnel case of a wind turbine. I already have the blade geometry constructed, but I'm really new to CFD and parametric meshing. I found some ...
17
votes
5answers
1k views
Meshing of complex geometrical domains
When using the finite element method, I have always used either already meshed domains or very simple ones.
From what I've heard, meshing complex geometries is often outsourced to specialized ...
