CrackTipEnrichmentCutOffBC is used in XFEM Crack Tip Enrichment to fix DOFs to zero for those nodes with basis function supports that are far away from any crack tip. More...

#include <CrackTipEnrichmentCutOffBC.h>

Inheritance diagram for CrackTipEnrichmentCutOffBC:

[legend]

Public Member Functions
	CrackTipEnrichmentCutOffBC (const InputParameters &parameters)

Protected Member Functions
virtual bool	shouldApply () override

Protected Attributes
const Real	_cut_off_radius

Private Attributes
const CrackFrontDefinition *	_crack_front_definition

Detailed Description

CrackTipEnrichmentCutOffBC is used in XFEM Crack Tip Enrichment to fix DOFs to zero for those nodes with basis function supports that are far away from any crack tip.

Definition at line 24 of file CrackTipEnrichmentCutOffBC.h.

Constructor & Destructor Documentation

◆ CrackTipEnrichmentCutOffBC()

CrackTipEnrichmentCutOffBC::CrackTipEnrichmentCutOffBC ( const InputParameters & parameters )

Definition at line 28 of file CrackTipEnrichmentCutOffBC.C.

   : DirichletBC(parameters),
     _cut_off_radius(getParam<Real>("cut_off_radius")),
     _crack_front_definition(&getUserObject<CrackFrontDefinition>("crack_front_definition"))
 {
 }

Member Function Documentation

◆ shouldApply()

bool CrackTipEnrichmentCutOffBC::shouldApply ( )

overrideprotectedvirtual

Definition at line 36 of file CrackTipEnrichmentCutOffBC.C.

 {
   Real r, theta;
   _crack_front_definition->calculateRThetaToCrackFront((*_current_node), r, theta);
  
   if (r > _cut_off_radius)
     return true;
   else
     return false;
 }