Hi,
I wander about the use of "elem_fixed_solution" in
"EulerSolver::element_residual" method. Fixed solution is
set to "theta_solution" and therefore during the call to
"_system.element_time_derivative" both "elem_fixed_solution"
and "elem_solution" have the same data. It happens to me
that in "element_time_derivative" I need the solution from the
preceding time level ("old_elem_solution" in
"EulerSolver::element_residual").
My question is couldn't "elem_fixed_solution" be set to
"old_elem_solution" in "EulerSolver::element_residual". Then one
would have more information while assembling the system.
I don't see any obstacle, but in the other hand I am not sure that
I understand well the concept of fixed solution.
Thanks,
Mladen
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