[deal.II] Received signal SIGSEGV, Segmentation fault

2023-12-29 Thread Smith Jack
Hello, I am trying to compile DEAL.II on a server. There is no error in the compilation, but when I try to run an example, segmentation fault occurs. I create a environment by conda, in this environment, I installed gcc, gxx, gfortan, make, cmake, lapack, blas, scalapack, petsc, symengine I also

[deal.II] How to use a numerical boundary condition in deal.II

2023-12-15 Thread Smith Jack
Hello: I want to know how to use a numerical boundary condition in deal.II. For example, I want to solve a set of diffusion equations: \partial c_1 / \partial t = d_1 \partial c_1^2 / \partial x^2 \partial c_2 / \partial t = d_2 \partial c_2^2 / \partial x^2 on the one dimensional domain [0, L]. A