Issue of Mesh

itsme_kit · March 20, 2012, 11:25

Does anyone know what it means?

ryancoe · March 20, 2012, 11:35

I would guess that the surface isn't closed. Try running the mesh diagnostic tool on the surface mesh to check for problems. You may need to run the surface wrapper (and remesher) to get a good surface mesh.

itsme_kit · March 20, 2012, 11:46

Quote:

Originally Posted by ryancoe

I would guess that the surface isn't closed. Try running the mesh diagnostic tool on the surface mesh to check for problems. You may need to run the surface wrapper (and remesher) to get a good surface mesh.

I think it's closed
The warning will be another one if surface is not closed
I also selected surface wrapper and mesher

The result of mesh diagnostic is attached

How can I fix them properly?

Thanks

rwryne · March 20, 2012, 11:54

Quote:

Originally Posted by itsme_kit

I think it's closed
The warning will be another one if surface is not closed
I also selected surface wrapper and mesher

The result of mesh diagnostic is attached

How can I fix them properly?

Thanks

Read the help guide on surface repair....you have a lot of work to do. Do not pay attention to Poor Quality and Close Proximity faces, those will be fixed by remesher. It is the others you have to fix.

It might be better to work on the geometry ni the CAD environment to clean it up more.

Alternatively, try the surface wrapper.

itsme_kit · March 20, 2012, 12:21

Quote:

Originally Posted by rwryne

Read the help guide on surface repair....you have a lot of work to do. Do not pay attention to Poor Quality and Close Proximity faces, those will be fixed by remesher. It is the others you have to fix.

It might be better to work on the geometry ni the CAD environment to clean it up more.

Alternatively, try the surface wrapper.

CAD body is not solid.
No coincident faces found.

What does this mean?
I tried to import my geometry again and then extract internal volume

itsme_kit · March 21, 2012, 05:32

Quote:

Originally Posted by rwryne

Read the help guide on surface repair....you have a lot of work to do. Do not pay attention to Poor Quality and Close Proximity faces, those will be fixed by remesher. It is the others you have to fix.

It might be better to work on the geometry ni the CAD environment to clean it up more.

Alternatively, try the surface wrapper.

Could you help me check the surface of my model if I send you the file?
Thanks

abdul099 · March 21, 2012, 06:16

Just repair it manually on part level. That might be faster and you can rely on the result. On a part as simple as yours you really don't need the surface wrapper.
Have a look on the user guide and the tutorials how to do that.
For me it looks like you could fix the most errors by zipping the free edges. Maybe you also need to get rid of some faces due to the non-manifold edges, but that's hard to judge without a closer look on the geometry. I estimate that's less than an hour of work.

itsme_kit · March 21, 2012, 07:06

Quote:

Originally Posted by abdul099

Just repair it manually on part level. That might be faster and you can rely on the result. On a part as simple as yours you really don't need the surface wrapper.
Have a look on the user guide and the tutorials how to do that.
For me it looks like you could fix the most errors by zipping the free edges. Maybe you also need to get rid of some faces due to the non-manifold edges, but that's hard to judge without a closer look on the geometry. I estimate that's less than an hour of work.

So the bad quality of surface is the main factor to cause failure of mesh generation?

However, what causes the bad quality of surface?
I just import it from SolidWorks

itsme_kit · March 21, 2012, 07:46

Quote:

Originally Posted by abdul099

Just repair it manually on part level. That might be faster and you can rely on the result. On a part as simple as yours you really don't need the surface wrapper.
Have a look on the user guide and the tutorials how to do that.
For me it looks like you could fix the most errors by zipping the free edges. Maybe you also need to get rid of some faces due to the non-manifold edges, but that's hard to judge without a closer look on the geometry. I estimate that's less than an hour of work.

Checking the surface...
Error: Material boundary contains no triangles!
Error during volume meshing, deleting resulting mesh
CheckSurface::checkMaterialBoundary: Surface is not qualified for meshing
Command: GenerateVolumeMesh
CompletedCommand: GenerateVolumeMesh
In: [Machine::main, VolumeMeshingModel::execute]
error: Server Error

What is the problem of volume mesh?

rwryne · March 21, 2012, 08:09

Quote:

Originally Posted by itsme_kit

Checking the surface...
Error: Material boundary contains no triangles!
Error during volume meshing, deleting resulting mesh
CheckSurface::checkMaterialBoundary: Surface is not qualified for meshing
Command: GenerateVolumeMesh
CompletedCommand: GenerateVolumeMesh
In: [Machine::main, VolumeMeshingModel::execute]
error: Server Error

What is the problem of volume mesh?

It goes back to your initial surface. Usually you want to have 0 errors (meaning pierced faces, etc). You need to repair those by hand (see tutorial guide for how to do this) before meshing.

itsme_kit · March 21, 2012, 08:54

Quote:

Originally Posted by rwryne

It goes back to your initial surface. Usually you want to have 0 errors (meaning pierced faces, etc). You need to repair those by hand (see tutorial guide for how to do this) before meshing.

which tool is able to fix pierced face?

itsme_kit · March 21, 2012, 10:56

Quote:

Originally Posted by rwryne

It goes back to your initial surface. Usually you want to have 0 errors (meaning pierced faces, etc). You need to repair those by hand (see tutorial guide for how to do this) before meshing.

Can I mesh parts separately and finally combine them together?

itsme_kit · March 22, 2012, 13:34

Quote:

Originally Posted by abdul099

Just repair it manually on part level. That might be faster and you can rely on the result. On a part as simple as yours you really don't need the surface wrapper.
Have a look on the user guide and the tutorials how to do that.
For me it looks like you could fix the most errors by zipping the free edges. Maybe you also need to get rid of some faces due to the non-manifold edges, but that's hard to judge without a closer look on the geometry. I estimate that's less than an hour of work.

I have fixed the surface much better than before
Why still can not perform mesh generation?
Thanks

March 20, 2012, 11:35		#2
ryancoe Member Ryan Coe Join Date: Jun 2010 Location: Albuquerque, NM Posts: 98 Rep Power: 15	I would guess that the surface isn't closed. Try running the mesh diagnostic tool on the surface mesh to check for problems. You may need to run the surface wrapper (and remesher) to get a good surface mesh. __________________ Ryan

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March 21, 2012, 06:16		#7
abdul099 Senior Member Join Date: Oct 2009 Location: Germany Posts: 636 Rep Power: 21	Just repair it manually on part level. That might be faster and you can rely on the result. On a part as simple as yours you really don't need the surface wrapper. Have a look on the user guide and the tutorials how to do that. For me it looks like you could fix the most errors by zipping the free edges. Maybe you also need to get rid of some faces due to the non-manifold edges, but that's hard to judge without a closer look on the geometry. I estimate that's less than an hour of work.