My goal is to mesh a 3D geometry with tetmesh scheme where the mesh in the center is very fine and grows till it reaches the outer region of my geometry. To achieve that, I used a discretization size with bias at each curves. The surfaces and most of the volumes mesh fine but there is artifact on one of the volume. Despite having the bias function on the curves, there is a region in the center of that particular volume where the size of the elements is unusually big as we can observed on the left side of the attached figure. It seems like, Trelis incorporates a dual bias to mesh this particular volume. Any suggestions on how to avoid this outcome so that the left side is similar to the right side?
Thank you for your reply. A colleague of mine recently advised me on how to fix this problem since he had experienced it before. To solve it I had to change the order in which I assigned the interval sizes on the curves and the order in which I meshed the volumes. For my project, several journal files was needed in order to create the fault geometry and the mesh therefore it is a little bit difficult for me to upload all of them. But let me know if you still want to see the journal files even if my problem is fixed and I will upload all the files.
