Learning Forum

[tbb16]

Hi everyone,

I am using an orthotropic material model in an Explicit Dynamics model. My geometry is curved, so I was wondering if it is possible to create an element coordinate system that 'curves' with the geometry so that my elastic modulus on the through-thickness direction is actually in the through-thickness direction with respect to the geometry? 

At the moment, the orthotropic model follows the global coordinate system and I can't create another coordinate system that follows the curve of my geometry. In Static Structural, I can create an element coordinate system that allows me to have the orthotropic model in the correct directions, however, in Explicit, it is grayed out and I can't find any reference to element coordinate systems in the documentation.

Does anyone have any tips on dealing with explicit dynamics, orthotropic models and curved geometry?

Regards,

Tom

[Montassar]

Hi Tom,nNormally, you have to use Element Orientation.n

[Kai]

Hi Tom,nElemental orientation is not supported in explicit dynamics. You will need to use ACP to modify the elemental orientation first and then link it to explicit dynamics.nThanks,nKain