Learning Forum

[annecowan]

Hi,

I am trying to create a hexagonal mesh on my model which is 1/4 of an aneurysm with a material filling the volume. I am only interested in the stresses that occur in the aneurysm, which will mostly occur in the lower section. I used a sweep mesh and increased the number of divisions and added sizing to the edges on the lower half. I'm trying to converge the mesh to 1% but so far I have been unsuccessful as the smallest differences between the max stress has been about 20,000Pa and it needs to be approx. 5000. Is there anything that I can change that may fix this?

Thanks!

[1shan]

,nThe tetrahedral mesh looks pretty coarse. Since both the meshes would affect the result you may want to refine the other one as well. You could also try adding a few elements across the thickness to see if that helps. I also see that the elements look distorted near the lower right corner, you might want to repair that.nnRegards,nIshan.n

[annecowan]

Great, I will try these. Thanks for your help!n