Discussion Forum

Dear all,

my problem is as follows:

I try to do 3D simulation of mechanical properties of filament wound / hook wrapped pressure vessels made from fiber reinforced plastics. So the nature of the material is anisotropic and I had no trouble so far in simulation of simple plate structures.

For simple cylinders, I have to change the material properties in dependence of (x,y) if the cylinder axis is in z-direction. I know how to do this using eulerian angles, but the direct implementation in the elastic coefficients matrix is ... burdensome.

I tried to use the different coordinate systems available in 4.1, in particular the "Rotated System". There is a choice for the coordinate system in the Linear Elastic Material Model tab. But the change from "Global coordinate system" to a "Rotated System" by 90 degrees had no impact? I would have expected, that this should allow for rotation of the material properties.

Am I wrong? Are there more easy ways to implement this task?


Thanks in advance,
Markus