Hi all,
Thank you for your reply.
Let me explain what I am trying to do and why.
I want to solve a transient heat transfer problem of the additive
manufacturing (AM) process. In AM processes, metal powder is deposited in
layers, and then a laser source scans each layer and melts and bonds the
Hi Jean-Paul,
first of all, thank you very much for your comprehensive answer. It's a
little bit unfortunate that there is no way for the deformed test gradient
evaluation using matrix-free. However, your code snippets and the
explanation are traceable and the required changes for the tangent
