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[MPM] Friction option added to slip condition #1035

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Merged
lauramoremar merged 1 commit into from
May 27, 2026
Merged

[MPM] Friction option added to slip condition #1035

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28 changes: 28 additions & 0 deletions kratos.gid/apps/MPM/write/writeProjectParameters.tcl
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Original file line number Diff line number Diff line change
Expand Up @@ -78,6 +78,7 @@ proc ::MPM::write::getParametersDict { } {
set load_process_list [dict get $project_parameters_dict processes loads_process_list]
foreach load $load_process_list {
if {[dict get $load python_module] eq "apply_mpm_slip_boundary_process"} {
set load [MPM::write::CleanSlipBoundaryProcess $load]
lappend slip_process_list $load
} else {
lappend new_load_process_list $load
Expand Down Expand Up @@ -327,5 +328,32 @@ proc ::MPM::write::writeParametersEvent { } {
write::WriteJSON [getParametersDict]
}

proc ::MPM::write::CleanSlipBoundaryProcess { slip_process_dict } {
if {![dict exists $slip_process_dict Parameters]} {
return $slip_process_dict
}

set friction "Off"
if {[dict exists $slip_process_dict Parameters Friction]} {
set friction [dict get $slip_process_dict Parameters Friction]
dict unset slip_process_dict Parameters Friction
}

if {$friction ne "On"} {
foreach parameter_name [list friction_coefficient tangential_penalty_factor option] {
if {[dict exists $slip_process_dict Parameters $parameter_name]} {
dict unset slip_process_dict Parameters $parameter_name
}
}
return $slip_process_dict
}

if {[dict exists $slip_process_dict Parameters option]} {
set option [dict get $slip_process_dict Parameters option]
if {$option eq "" || $option eq "none"} {
dict unset slip_process_dict Parameters option
}
}

return $slip_process_dict
}
6 changes: 5 additions & 1 deletion kratos.gid/apps/MPM/xml/Processes.xml
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Original file line number Diff line number Diff line change
Expand Up @@ -11,8 +11,12 @@
<Process n="ApplyMPMSlipBoundaryProcess" pn="ApplyMPMSlipBoundaryProcess" python_module="apply_mpm_slip_boundary_process"
kratos_module="KratosMultiphysics.MPMApplication" help="" >
<inputs>
<parameter n="Friction" pn="Friction" type="combo" v="Off" values="Off,On" help="Activate friction for the slip boundary condition">
<parameter parent="On" n="friction_coefficient" pn="Friction coefficient" type="double" v="0.001" />
<parameter parent="On" n="tangential_penalty_factor" pn="Tangential penalty factor" type="double" v="1e6" />
<parameter parent="On" n="option" pn="Normal option" type="combo" v="flip_normal" values="none,flip_normal" pvalues="None,Flip normal" />
</parameter>
</inputs>
</Process>

</ProcessList>

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