Hi everyone, I’m relatively new on FEniCS, I’ve working with the FEniCS Tutorial and I understand the basics. Right now, I want to solve the following problem
Q is a tensor, defined in the following way: Q = q/2(nn - I/3), where n is a unitary vector (nn is a dyad), I is the identity tensor, and q is a constant.
So forth, I haven’t seen a variational formulation for a partial differential equation that deals with a tensor, that’s why I’m not sure on how to work with the problem. Does anyone have a tip or a suggestion?
Thanks for the help!
Hi Emmanuel,
the tutorials for linear elasticity and the Navier-Stokes equations deal with tensors in the formulation of the variational form. You can check the UFL documentation there you have more information on how to write variational forms.