Re: [petsc-users] Fortran interfaces: Google Summer of Code project?

2024-03-23 Thread Jed Brown
Looks good to me. Thanks for taking the initiative. Martin Diehl writes: > Dear All, > > pls. find attached the proposal for > https: //urldefense. us/v3/__https: //github. 

Re: [petsc-users] Question about how to use DS to do the discretization

2024-03-23 Thread Matthew Knepley
On Sat, Mar 23, 2024 at 8:03 AM Gong Yujie wrote: > Dear PETSc group, I'm reading the DS part for the discretization start > from SNES ex17. c which is a demo for solving linear elasticity problem. I > have two questions for the details. The first question is for the residual > function. Is the

Re: [petsc-users] Question about how to use DS to do the discretization

2024-03-23 Thread Stefano Zampini
Take a look at https://urldefense.us/v3/__https://gitlab.com/petsc/petsc/-/blob/main/src/snes/tutorials/ex11.c?ref_type=heads__;!!G_uCfscf7eWS!er4CI8GIe7OCWvCmRKQpZt6FOz1QYvbuZOdf2Fm7pvMGee3I9M5bhjNytv42F9C17NpBy0i6mTfgEmQfUR_QOqwC7gC6pYk$ and the discussion at the beginning (including the

[petsc-users] Question about how to use DS to do the discretization

2024-03-23 Thread Gong Yujie
Dear PETSc group, I'm reading the DS part for the discretization start from SNES ex17.c which is a demo for solving linear elasticity problem. I have two questions for the details. The first question is for the residual function. Is the residual calculated as this? The dot product is a little