SmoothAnalysis.cpp

Go to the documentation of this file.

#include "./SmoothAnalysis.h"
#include "../toolkits/toolkits.h"
#include "../classes/classes.h"
#include "../shared/shared.h"
#include "../modules/modules.h"
 
/*Model processing*/
void SmoothAnalysis::CreateConstraints(Constraints* constraints,IoModel* iomodel){/*{{{*/
}/*}}}*/
void SmoothAnalysis::CreateLoads(Loads* loads, IoModel* iomodel){/*{{{*/
}/*}}}*/
void SmoothAnalysis::CreateNodes(Nodes* nodes,IoModel* iomodel,bool isamr){/*{{{*/
 
   ::CreateNodes(nodes,iomodel,SmoothAnalysisEnum,P1Enum);
 
}/*}}}*/
int  SmoothAnalysis::DofsPerNode(int** doflist,int domaintype,int approximation){/*{{{*/
   return 1;
}/*}}}*/
void SmoothAnalysis::UpdateElements(Elements* elements,Inputs2* inputs2,IoModel* iomodel,int analysis_counter,int analysis_type){/*{{{*/
 
   /*Update elements: */
   int counter=0;
   for(int i=0;i<iomodel->numberofelements;i++){
      if(iomodel->my_elements[i]){
         Element* element=(Element*)elements->GetObjectByOffset(counter);
         element->Update(inputs2,i,iomodel,analysis_counter,analysis_type,P1Enum);
         counter++;
      }
   }
}/*}}}*/
void SmoothAnalysis::UpdateParameters(Parameters* parameters,IoModel* iomodel,int solution_enum,int analysis_enum){/*{{{*/
}/*}}}*/
 
/*Finite Element Analysis*/
void           SmoothAnalysis::Core(FemModel* femmodel){/*{{{*/
   _error_("not implemented");
}/*}}}*/
ElementVector* SmoothAnalysis::CreateDVector(Element* element){/*{{{*/
   /*Default, return NULL*/
   return NULL;
}/*}}}*/
ElementMatrix* SmoothAnalysis::CreateJacobianMatrix(Element* element){/*{{{*/
_error_("Not implemented");
}/*}}}*/
ElementMatrix* SmoothAnalysis::CreateKMatrix(Element* element){/*{{{*/
 
   /* Intermediaries */
   int         domaintype;
   IssmDouble  Jdet,thickness,l;
   IssmDouble *xyz_list = NULL;
 
   /*Check dimension*/
   element->FindParam(&domaintype,DomainTypeEnum);
   switch(domaintype){
      case Domain2DhorizontalEnum:
         break;
      default: _error_("mesh "<<EnumToStringx(domaintype)<<" not supported yet");
   }
 
   /*Fetch number of nodes and dof for this finite element*/
   int numnodes = element->GetNumberOfNodes();
 
   /*Initialize Element matrix and vectors*/
   ElementMatrix* Ke     = element->NewElementMatrix();
   IssmDouble*    dbasis = xNew<IssmDouble>(2*numnodes);
   IssmDouble*    basis  = xNew<IssmDouble>(numnodes);
 
   /*Retrieve all inputs and parameters*/
   element->FindParam(&l,SmoothThicknessMultiplierEnum); _assert_(l>0.);
   element->GetVerticesCoordinates(&xyz_list);
   Input2* thickness_input = element->GetInput2(ThicknessEnum); _assert_(thickness_input);
 
   /* Start looping on the number of gaussian points: */
   Gauss* gauss=element->NewGauss(2);
   for(int ig=gauss->begin();ig<gauss->end();ig++){
      gauss->GaussPoint(ig);
 
      element->JacobianDeterminant(&Jdet,xyz_list,gauss);
      thickness_input->GetInputValue(&thickness,gauss);
      if(thickness<50.) thickness=50.;
 
      element->NodalFunctions(basis,gauss);
      element->NodalFunctionsDerivatives(dbasis,xyz_list,gauss);
 
      for(int i=0;i<numnodes;i++){
         for(int j=0;j<numnodes;j++){
            Ke->values[i*numnodes+j] += gauss->weight*Jdet*(
                     basis[i]*basis[j]
                     +(l*thickness)*(l*thickness)*(dbasis[0*numnodes+i]*dbasis[0*numnodes+j] + dbasis[1*numnodes+i]*dbasis[1*numnodes+j])
                     );
         }
      }
   }
 
   /*Clean up and return*/
   delete gauss;
   xDelete<IssmDouble>(dbasis);
   xDelete<IssmDouble>(basis);
   xDelete<IssmDouble>(xyz_list);
   return Ke;
}/*}}}*/
ElementVector* SmoothAnalysis::CreatePVector(Element* element){/*{{{*/
 
   /*Get basal element*/
   int domaintype;
   element->FindParam(&domaintype,DomainTypeEnum);
   switch(domaintype){
      case Domain2DhorizontalEnum:
         break;
      default: _error_("mesh "<<EnumToStringx(domaintype)<<" not supported yet");
   }
 
   /*Intermediaries */
   int         input_enum;
   IssmDouble  Jdet,value;
   IssmDouble *xyz_list  = NULL;
   Input2     *input = NULL;
 
   /*SPECIFICS: Driving stress for balance velocities*/
   Input2*      H_input = NULL, *surface_input = NULL, *vx_input = NULL, *vy_input = NULL;
   IssmDouble  taud_x,norms,normv,vx,vy;
   IssmDouble  rho_ice,gravity,slope[2],thickness;
 
   /*Fetch number of nodes and dof for this finite element*/
   int numnodes = element->GetNumberOfNodes();
 
   /*Initialize Element vector*/
   ElementVector* pe    = element->NewElementVector();
   IssmDouble*    basis = xNew<IssmDouble>(numnodes);
 
   /*Retrieve all inputs and parameters*/
   element->GetVerticesCoordinates(&xyz_list);
   element->FindParam(&input_enum,InputToSmoothEnum);
 
   switch(input_enum){
      case DrivingStressXEnum:
      case DrivingStressYEnum:{
         rho_ice       = element->FindParam(MaterialsRhoIceEnum);
         gravity       = element->FindParam(ConstantsGEnum);
         H_input       = element->GetInput2(ThicknessEnum); _assert_(H_input);
         surface_input = element->GetInput2(SurfaceEnum);   _assert_(surface_input);
         vx_input      = element->GetInput2(VxEnum);
         vy_input      = element->GetInput2(VyEnum);
         }
         break;
      case SurfaceSlopeXEnum:
      case SurfaceSlopeYEnum:{
         surface_input = element->GetInput2(SurfaceEnum);   _assert_(surface_input);
         }
         break;
      default: input = element->GetInput2(input_enum);
   }
 
   /* Start  looping on the number of gaussian points: */
   Gauss* gauss=element->NewGauss(2);
   for(int ig=gauss->begin();ig<gauss->end();ig++){
      gauss->GaussPoint(ig);
 
      element->JacobianDeterminant(&Jdet,xyz_list,gauss);
      element->NodalFunctions(basis,gauss);
 
      switch(input_enum){
         case DrivingStressXEnum: 
         case DrivingStressYEnum:{
            H_input->GetInputValue(&thickness,gauss);
            surface_input->GetInputDerivativeValue(&slope[0],xyz_list,gauss);
            if(vx_input && vy_input){
               vx_input->GetInputValue(&vx,gauss);
               vy_input->GetInputValue(&vy,gauss);
               norms = sqrt(slope[0]*slope[0]+slope[1]*slope[1]+1.e-10);
               normv = sqrt(vx*vx + vy*vy);
               if(normv>15./(365.*24.*3600.)){
                  slope[0] = -vx/normv*norms;
                  slope[1] = -vy/normv*norms;
               }
            }
            if(input_enum==DrivingStressXEnum)
             value = rho_ice*gravity*thickness*slope[0];
            else
             value = rho_ice*gravity*thickness*slope[1];
         }
         break;
         case SurfaceSlopeXEnum: 
            surface_input->GetInputDerivativeValue(&slope[0],xyz_list,gauss);
            value = slope[0];
            break;
         case SurfaceSlopeYEnum:
            surface_input->GetInputDerivativeValue(&slope[0],xyz_list,gauss);
            value = slope[1];
            break;
         default:
            input->GetInputValue(&value,gauss);
      }
 
      for(int i=0;i<numnodes;i++) pe->values[i]+=Jdet*gauss->weight*value*basis[i];
   }
 
   /*Clean up and return*/
   xDelete<IssmDouble>(xyz_list);
   xDelete<IssmDouble>(basis);
   delete gauss;
   return pe;
}/*}}}*/
void           SmoothAnalysis::GetSolutionFromInputs(Vector<IssmDouble>* solution,Element* element){/*{{{*/
      _error_("not implemented yet");
}/*}}}*/
void           SmoothAnalysis::GradientJ(Vector<IssmDouble>* gradient,Element* element,int control_type,int control_index){/*{{{*/
   _error_("Not implemented yet");
}/*}}}*/
void           SmoothAnalysis::InputUpdateFromSolution(IssmDouble* solution,Element* element){/*{{{*/
   int inputenum,domaintype,elementtype;
 
   element->FindParam(&inputenum,InputToSmoothEnum);
   element->FindParam(&domaintype,DomainTypeEnum);
   switch(domaintype){
      case Domain2DhorizontalEnum:
         element->InputUpdateFromSolutionOneDof(solution,inputenum);
         break;
      default: _error_("mesh "<<EnumToStringx(domaintype)<<" not supported yet");
   }
}/*}}}*/
void           SmoothAnalysis::UpdateConstraints(FemModel* femmodel){/*{{{*/
   /*Default, do nothing*/
   return;
}/*}}}*/