ZeroFLmabda Struct Reference

Zero F_lambda. More...

#include "users_modules/basic_finite_elements/src/ArcLengthTools.hpp"

Inheritance diagram for ZeroFLmabda:

Collaboration diagram for ZeroFLmabda:

Public Member Functions
	ZeroFLmabda (boost::shared_ptr< ArcLengthCtx > arc_ptr)
MoFEMErrorCode	preProcess ()

Public Attributes
boost::shared_ptr< ArcLengthCtx >	arcPtr

Detailed Description

Zero F_lambda.

Definition at line 283 of file ArcLengthTools.hpp.

Constructor & Destructor Documentation

ZeroFLmabda()

ZeroFLmabda::ZeroFLmabda

(

boost::shared_ptr< ArcLengthCtx >

arc_ptr

)

Definition at line 359 of file ArcLengthTools.cpp.

    : arcPtr(arc_ptr) {}

Member Function Documentation

preProcess()

MoFEMErrorCode ZeroFLmabda::preProcess

(

)

Definition at line 362 of file ArcLengthTools.cpp.

                                       {
  MoFEMFunctionBegin;
  switch (snes_ctx) {
  case CTX_SNESSETFUNCTION: {
 
    auto zero_vals = [&](auto v) {
      MoFEMFunctionBeginHot;
      int size = problemPtr->getNbLocalDofsRow();
      int ghosts = problemPtr->getNbGhostDofsRow();
      double *array;
      CHKERR VecGetArray(v, &array);
      for (int i = 0; i != size + ghosts; ++i)
        array[i] = 0;
      CHKERR VecRestoreArray(v, &array);
      MoFEMFunctionReturnHot(0);
    };
 
    Vec l_x_lambda, l_f_lambda;
    CHKERR VecGhostGetLocalForm(arcPtr->xLambda, &l_x_lambda);
    CHKERR VecGhostGetLocalForm(arcPtr->F_lambda, &l_f_lambda);
    CHKERR zero_vals(l_x_lambda);
    CHKERR zero_vals(l_f_lambda);
    CHKERR VecGhostRestoreLocalForm(arcPtr->xLambda, &l_x_lambda);
    CHKERR VecGhostRestoreLocalForm(arcPtr->F_lambda, &l_f_lambda);
 
  } break;
  default:
    SETERRQ(PETSC_COMM_SELF, MOFEM_DATA_INCONSISTENCY,
            "Lambda can be zeroed ONLY when the right hand side is evaluated.");
  }
  MoFEMFunctionReturn(0);
}

Member Data Documentation

arcPtr

boost::shared_ptr<ArcLengthCtx> ZeroFLmabda::arcPtr

Definition at line 285 of file ArcLengthTools.hpp.

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The documentation for this struct was generated from the following files:

• users_modules/basic_finite_elements/src/ArcLengthTools.hpp
• users_modules/basic_finite_elements/src/impl/ArcLengthTools.cpp