OGS
[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