[tag] relative_epsilons

Specifies the magnitudes of the perturbations used to compute the numerical Jacobian.

Note**: The deformation block of the local Jacobian matrix has already been calculated analytically. Therefore, the perturbations for the deformation components is not needed for computation. However, they are still required as input and can be set to zeros.

The magnitudes are specified relative to the `component_magnitudes`. The number of values given must match the one of the `component_magnitudes`.

Additional info

From ProcessLib/CentralDifferencesJacobianAssembler.cpp line 200

• This is an optional parameter.
• Data type: std::vector<double>
• Expanded tag path: processes.process.jacobian_assembler.CentralDifferences.relative_epsilons
• Go to source code: → ogs/ogs/master

Used in the following test data files

• [→ ogs/ogs/master | → doc] Parabolic/Richards/RichardsFlow_2d_compare_ogs5.prj
• [→ ogs/ogs/master | → doc] Parabolic/Richards/RichardsFlow_2d_large.prj
• [→ ogs/ogs/master | → doc] Parabolic/Richards/RichardsFlow_2d_small.prj
• [→ ogs/ogs/master | → doc] Parabolic/Richards/RichardsFlow_2d_small_PID_adaptive_dt.prj
• [→ ogs/ogs/master | → doc] Parabolic/Richards/RichardsFlow_2d_small_iteration_adaptive_dt.prj
• [→ ogs/ogs/master | → doc] Parabolic/Richards/flow_fully_saturated.prj
• [→ ogs/ogs/master | → doc] Parabolic/ThermalTwoPhaseFlowPP/HeatPipe/Twophase_HeatPipe_quad_curve_large.prj
• [→ ogs/ogs/master | → doc] Parabolic/ThermalTwoPhaseFlowPP/HeatPipe/Twophase_HeatPipe_quad_curve_small.prj
• [→ ogs/ogs/master | → doc] Parabolic/ThermalTwoPhaseFlowPP/TCEDiffusion/Twophase_TCE_diffusion_1D_small.prj
• [→ ogs/ogs/master | → doc] Parabolic/TwoPhaseFlowPP/Liakopoulos/TwoPhase_Lia_quad_large.prj
• [→ ogs/ogs/master | → doc] Parabolic/TwoPhaseFlowPP/Liakopoulos/TwoPhase_Lia_quad_short.prj
• [→ ogs/ogs/master | → doc] Parabolic/TwoPhaseFlowPP/McWhorter/TwoPhase_mcwt_line.prj
• [→ ogs/ogs/master | → doc] Parabolic/TwoPhaseFlowPrho/MoMaS/Twophase_MoMaS_quad.prj
• [→ ogs/ogs/master | → doc] Parabolic/TwoPhaseFlowPrho/MoMaS/Twophase_MoMaS_quad_adaptive_dt.prj
• [→ ogs/ogs/master | → doc] Parabolic/TwoPhaseFlowPrho/MoMaS/Twophase_MoMaS_small.prj
• [→ ogs/ogs/master | → doc] RichardsMechanics/LiakopoulosHM/liakopoulos_QN.prj
• [→ ogs/ogs/master | → doc] RichardsMechanics/RichardsFlow_2d_quasinewton.prj
• [→ ogs/ogs/master | → doc] RichardsMechanics/RichardsFlow_2d_richardsflow.prj
• [→ ogs/ogs/master | → doc] TH2M/H/diffusion/diffusion.prj
• [→ ogs/ogs/master | → doc] TH2M/H/pressure_PengRobinson/pressure_preos.prj
• [→ ogs/ogs/master | → doc] TH2M/H2/dissolution_diffusion/bourgeat.prj
• [→ ogs/ogs/master | → doc] TH2M/H2/dissolution_diffusion/continuous_injection.prj
• [→ ogs/ogs/master | → doc] TH2M/H2/mcWhorter/mcWhorter_h2.prj
• [→ ogs/ogs/master | → doc] TH2M/H2M/Liakopoulos/liakopoulos_TH2M.prj
• [→ ogs/ogs/master | → doc] TH2M/H2M/OrthotropicSwelling/square.prj
• [→ ogs/ogs/master | → doc] TH2M/H2M/StrainDependentPermeability/Strain_Dependent_Permeability_Test.prj
• [→ ogs/ogs/master | → doc] TH2M/HM/Confined_Compression/HM_confined_compression_gas.prj
• [→ ogs/ogs/master | → doc] TH2M/HM/Confined_Compression/HM_confined_compression_liquid.prj
• [→ ogs/ogs/master | → doc] TH2M/HM/compression_PengRobinson/compression_preos.prj
• [→ ogs/ogs/master | → doc] TH2M/HM/flow_fully_saturated.prj
• [→ ogs/ogs/master | → doc] TH2M/HM/flow_fully_saturated_gas.prj
• [→ ogs/ogs/master | → doc] TH2M/M/M_2d_neumann/M_2d_neumann.prj
• [→ ogs/ogs/master | → doc] TH2M/T/T_1d_dirichlet/T_1d_dirichlet.prj
• [→ ogs/ogs/master | → doc] TH2M/TH/Ogata-Banks/ogata-banks.prj
• [→ ogs/ogs/master | → doc] TH2M/TH/idealGasLaw/compression_gas.prj
• [→ ogs/ogs/master | → doc] TH2M/TH/temperature_PengRobinson/temperature_preos.prj
• [→ ogs/ogs/master | → doc] TH2M/TH2/heatpipe/PETSc/heat_pipe_strict.prj
• [→ ogs/ogs/master | → doc] TH2M/TH2/heatpipe/heat_pipe_rough.prj
• [→ ogs/ogs/master | → doc] TH2M/TH2/heatpipe/heat_pipe_strict.prj
• [→ ogs/ogs/master | → doc] TH2M/TH2/unicube/unicube.prj
• [→ ogs/ogs/master | → doc] TH2M/THM/Confined_Compression/THM_confined_compression_gas.prj
• [→ ogs/ogs/master | → doc] TH2M/THM/Confined_Compression/THM_confined_compression_liquid.prj
• [→ ogs/ogs/master | → doc] TH2M/THM/slab/THM_1d_dirichlet.prj
• [→ ogs/ogs/master | → doc] TH2M/THM/sphere/point_heatsource.prj
• [→ ogs/ogs/master | → doc] TH2M/submesh_residuum_assembly/base.prj
• [→ ogs/ogs/master | → doc] WellboreSimulator/1Phase_wellbore_small_newton.prj
• [→ ogs/ogs/master | → doc] WellboreSimulator/2Phase_wellbore_small_newton.prj
• [→ ogs/ogs/master | → doc] WellboreSimulator/2Phase_wellbore_small_newton_nonnegdamping.prj