Cfdragcoeffabsgrad.cpp

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/*Headers:*/
/*{{{*/
#ifdef HAVE_CONFIG_H
   #include <config.h>
#else
#error "Cannot compile with HAVE_CONFIG_H symbol! run configure first!"
#endif
 
#include "./classes.h"
#include "./ExternalResults/ExternalResult.h"
#include "./ExternalResults/Results.h"
#include "../datastructures/datastructures.h"
#include "./Elements/Element.h"
#include "./Elements/Elements.h"
#include "./FemModel.h"
#include "../modules/SurfaceAreax/SurfaceAreax.h"
#include "../classes/Params/Parameters.h"
#include "../classes/gauss/Gauss.h"
#include "./Inputs2/DatasetInput2.h"
/*}}}*/
 
/*Cfdragcoeffabsgrad constructors, destructors :*/
Cfdragcoeffabsgrad::Cfdragcoeffabsgrad(){/*{{{*/
 
   this->definitionenum = -1;
   this->name = NULL;
   this->weights_enum = UNDEF;
   this->misfit=0;
   this->lock=0;
   this->timepassedflag = false;
   this->last_time = 0.;
 
}
/*}}}*/
Cfdragcoeffabsgrad::Cfdragcoeffabsgrad(char* in_name, int in_definitionenum, int in_weights_enum, bool in_timepassedflag){/*{{{*/
 
   this->definitionenum=in_definitionenum;
 
   this->name     = xNew<char>(strlen(in_name)+1);
   xMemCpy<char>(this->name,in_name,strlen(in_name)+1);
 
   this->weights_enum=in_weights_enum;
   this->timepassedflag=in_timepassedflag;
 
   this->misfit=0;
   this->lock=0;
}
/*}}}*/
Cfdragcoeffabsgrad::~Cfdragcoeffabsgrad(){/*{{{*/
   if(this->name)xDelete(this->name);
   this->misfit=0;
   this->lock=0;
}
/*}}}*/
/*Object virtual function resolutoin: */
Object* Cfdragcoeffabsgrad::copy() {/*{{{*/
   Cfdragcoeffabsgrad* mf = new Cfdragcoeffabsgrad(this->name,this->definitionenum, this->weights_enum,this->timepassedflag);
   mf->misfit=this->misfit;
   mf->lock=this->lock;
   return (Object*) mf;
}
/*}}}*/
void Cfdragcoeffabsgrad::DeepEcho(void){/*{{{*/
   this->Echo();
}
/*}}}*/
void Cfdragcoeffabsgrad::Echo(void){/*{{{*/
   _printf_(" Cfdragcoeffabsgrad: " << name << " " << this->definitionenum << "\n");
   _printf_("    weights_enum: " << weights_enum << " " << EnumToStringx(weights_enum) << "\n");
   _printf_("    timepassedflag: "<<timepassedflag<<"\n");
}
/*}}}*/
int Cfdragcoeffabsgrad::Id(void){/*{{{*/
   return -1;
}
/*}}}*/
void Cfdragcoeffabsgrad::Marshall(char** pmarshalled_data,int* pmarshalled_data_size, int marshall_direction){/*{{{*/
   _error_("not implemented yet!"); 
} 
/*}}}*/
int Cfdragcoeffabsgrad::ObjectEnum(void){/*{{{*/
   return CfdragcoeffabsgradEnum;
}
/*}}}*/
/*Definition virtual function resolutoin: */
int Cfdragcoeffabsgrad::DefinitionEnum(){/*{{{*/
   return this->definitionenum;
}
/*}}}*/
char* Cfdragcoeffabsgrad::Name(){/*{{{*/
   char* name2=xNew<char>(strlen(this->name)+1);
   xMemCpy(name2,this->name,strlen(this->name)+1);
 
   return name2;
}
/*}}}*/
IssmDouble Cfdragcoeffabsgrad::Response(FemModel* femmodel){/*{{{*/
    /*diverse: */
    IssmDouble time;
 
    /*recover time parameters: */
       int i;
       IssmDouble J=0.;
       IssmDouble J_sum=0.;
 
       for(i=0;i<femmodel->elements->Size();i++){
          Element* element=(Element*)femmodel->elements->GetObjectByOffset(i);
          J+=this->Cfdragcoeffabsgrad_Calculation(element,weights_enum);
       }
 
       ISSM_MPI_Allreduce ( (void*)&J,(void*)&J_sum,1,ISSM_MPI_DOUBLE,ISSM_MPI_SUM,IssmComm::GetComm());
       ISSM_MPI_Bcast(&J_sum,1,ISSM_MPI_DOUBLE,0,IssmComm::GetComm());
       J=J_sum;
 
       timepassedflag = true;
       return J;
 }
   /*}}}*/
IssmDouble Cfdragcoeffabsgrad::Cfdragcoeffabsgrad_Calculation(Element* element, int weights_enum){/*{{{*/
 
   int        domaintype,numcomponents;
   IssmDouble Jelem=0.;
   IssmDouble misfit,Jdet;
   IssmDouble dp[2],weight;
   IssmDouble* xyz_list = NULL;
 
   /*Get basal element*/
   if(!element->IsOnBase()) return 0.;
 
   /*If on water, return 0: */
   if(!element->IsIceInElement()) return 0.;
 
   /*Get problem dimension*/
   element->FindParam(&domaintype,DomainTypeEnum);
   switch(domaintype){
      case Domain2DverticalEnum:   numcomponents   = 1; break;
      case Domain3DEnum:           numcomponents   = 2; break;
      case Domain2DhorizontalEnum: numcomponents   = 2; break;
      default: _error_("not supported yet");
   }
 
   /*Spawn surface element*/
   Element* basalelement = element->SpawnBasalElement();
 
   /* Get node coordinates*/
   basalelement->GetVerticesCoordinates(&xyz_list);
 
   /*Get input if it already exists*/
   DatasetInput2 *datasetinput = basalelement->GetDatasetInput2(definitionenum);  _assert_(datasetinput);
   Input2        *drag_input   = basalelement->GetInput2(FrictionCoefficientEnum); _assert_(drag_input);
 
   /* Start  looping on the number of gaussian points: */
   Gauss* gauss=basalelement->NewGauss(2);
   for(int ig=gauss->begin();ig<gauss->end();ig++){
 
      gauss->GaussPoint(ig);
 
      /* Get Jacobian determinant: */
      basalelement->JacobianDeterminant(&Jdet,xyz_list,gauss);
 
      /*Get all parameters at gaussian point*/
      datasetinput->GetInputValue(&weight,gauss,WeightsSurfaceObservationEnum);
      drag_input->GetInputDerivativeValue(&dp[0],xyz_list,gauss);
 
      /*Add to cost function*/
      Jelem+=weight*.5*dp[0]*dp[0]*Jdet*gauss->weight;
      if(numcomponents==2) Jelem+=weight*.5*dp[1]*dp[1]*Jdet*gauss->weight;
   }
 
   /*clean up and Return: */
   if(domaintype!=Domain2DhorizontalEnum){basalelement->DeleteMaterials(); delete basalelement;};
   xDelete<IssmDouble>(xyz_list);
   delete gauss;
   return Jelem;
}/*}}}*/