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Forum: ANSYS Meshing & Geometry December 11, 2013, 12:01
Replies: 38
Views: 11,003
Posted By siw
I don't know the requirements of your simulation...

I don't know the requirements of your simulation so I simply was thinking that the road would be a no-slip surface and the correct boundary layer profile there would better represent a real surface...
Forum: ANSYS Meshing & Geometry December 9, 2013, 12:19
Replies: 38
Views: 11,003
Posted By siw
I've just opened your file and some quick points...

I've just opened your file and some quick points to note:

1. You could delete the front axel and remove the holes on the car and front wheels that it made. Minor point.
2. Reduce the...
Forum: ANSYS Meshing & Geometry December 6, 2013, 08:07
Replies: 38
Views: 11,003
Posted By siw
Just zip the *tin file and post it here. ...

Just zip the *tin file and post it here.

Prism smoothing is tricky. I suggest reading PSYMN's presentation on ICEM tetra/prism, a quick search will find it. Basically, make sure you start with a...
Forum: ANSYS Meshing & Geometry December 6, 2013, 06:29
Replies: 38
Views: 11,003
Posted By siw
*.tin files are usually very small, I don't...

*.tin files are usually very small, I don't recall any of my files being bigger than the hundreds of KB.
Forum: ANSYS Meshing & Geometry December 3, 2013, 10:59
Replies: 38
Views: 11,003
Posted By siw
Some general points as I don't know the specific...

Some general points as I don't know the specific requirements for your mesh and simulation (e.g. are you repeating wind tunnels, is drag accuracy very important, which RANS (assumed) turbulence model...
Forum: ANSYS Meshing & Geometry December 2, 2013, 09:33
Replies: 38
Views: 11,003
Posted By siw
Can you post some images of mesh with the poor...

Can you post some images of mesh with the poor cells.
Forum: ANSYS Meshing & Geometry November 20, 2013, 11:53
Replies: 38
Views: 11,003
Posted By siw
Can you post a few images, that will help with...

Can you post a few images, that will help with fixing things regarding your comment about success with only a few prism layers.

I assume you made the octree volume mesh first, don't forget to...
Forum: ANSYS Meshing & Geometry November 19, 2013, 05:12
Replies: 38
Views: 11,003
Posted By siw
Your distance of 2.7e^4 will be the initial...

Your distance of 2.7e^4 will be the initial height in ICEM. Then you can enter a number of layers (e.g. 12) and a height ratio (e.g. 1.2) and ICEM will calculate the total height.

On your point...
Forum: ANSYS Meshing & Geometry November 19, 2013, 02:16
Replies: 38
Views: 11,003
Posted By siw
Yes, you need to calculate a suitable first prism...

Yes, you need to calculate a suitable first prism height outside of ICEM, based on your target y+ (and a few other parameters) which can be done with the calculator here at CFD-Online.

If you are...
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