[tag] damping_reduction

This parameter introduces a damping reduction $\lambda$ ( $0 < \lambda <$ inf) by specifying the iteration number $i$ that it takes to reduce the damping $\delta$ to 1: $\delta + (1 - \delta) *$ std::clamp( $i / \lambda$, 0.0, 1.0)`.

Additional info

From NumLib/ODESolver/NonlinearSolver.cpp line 587

• This is an optional parameter.
• Data type: double
• Expanded tag path: nonlinear_solvers.nonlinear_solver.damping_reduction
• Go to source code: → ogs/ogs/master

Used in the following test data files

• [→ ogs/ogs/master | → doc] Mechanics/SlopeStabilityAnchors/fault_slip_SD_noniterWP_reference.prj
• [→ ogs/ogs/master | → doc] ThermoRichardsMechanics/Mockup2D/mockup.prj