[tag] prefix

Sets the options prefix for the PETSc SNES solver.

See the PETSc SNESSetOptionsPrefix documentation for details.

Additional info

From NumLib/ODESolver/NonlinearSolver.cpp line 542

• This is an optional parameter.
• This parameter has a default value of "".
• Data type: std::string
• Expanded tag path: nonlinear_solvers.nonlinear_solver.prefix
• Go to source code: → ogs/ogs/master

Used in the following test data files

Used in no end-to-end test cases.