Re: [deal.II] reassembling system matrix for a specific variable

2024-08-22 Thread Wolfgang Bangerth
On 8/22/24 15:42, Mark Simmons wrote: 1.) can I check to see if deal.ii is actually reassembling my matrix at every time step? 2.) how can I make sure that my matrix is only assembled once at the beginning? deal.II is not calling functions behind your back. If your run() function is not c

[deal.II] reassembling system matrix for a specific variable

2024-08-22 Thread Mark Simmons
Hello, I have currently implemented a new method that is supposed to save computational efficiency by assembling the system matrix at the beginning and then not reassembling it. Currently, we are solving for this specific variable and it is defined in a separate header file and then when the