source: issm/trunk/src/c/analyses/Balancethickness2Analysis.cpp@ 23189

#include "./Balancethickness2Analysis.h"
#include "../toolkits/toolkits.h"
#include "../classes/classes.h"
#include "../shared/shared.h"
#include "../modules/modules.h"

/*Model processing*/
void Balancethickness2Analysis::CreateConstraints(Constraints* constraints,IoModel* iomodel){/*{{{*/

        int finiteelement = P1Enum;
        IoModelToConstraintsx(constraints,iomodel,"md.balancethickness.spcthickness",Balancethickness2AnalysisEnum,finiteelement);

}/*}}}*/
void Balancethickness2Analysis::CreateLoads(Loads* loads, IoModel* iomodel){/*{{{*/

}/*}}}*/
void Balancethickness2Analysis::CreateNodes(Nodes* nodes,IoModel* iomodel){/*{{{*/

        int finiteelement = P1Enum;
        ::CreateNodes(nodes,iomodel,Balancethickness2AnalysisEnum,finiteelement);
}/*}}}*/
int  Balancethickness2Analysis::DofsPerNode(int** doflist,int domaintype,int approximation){/*{{{*/
        return 1;
}/*}}}*/
void Balancethickness2Analysis::UpdateElements(Elements* elements,IoModel* iomodel,int analysis_counter,int analysis_type){/*{{{*/

        /*Finite element type*/
        int finiteelement = P1Enum;

        /*Load variables in element*/
        iomodel->FetchDataToInput(elements,"md.geometry.thickness",ThicknessEnum);
        iomodel->FetchDataToInput(elements,"md.geometry.surface",SurfaceEnum);
        iomodel->FetchDataToInput(elements,"md.geometry.base",BaseEnum);
        iomodel->FetchDataToInput(elements,"md.slr.sealevel",SealevelEnum,0);
        iomodel->FetchDataToInput(elements,"md.mask.ice_levelset",MaskIceLevelsetEnum);
        iomodel->FetchDataToInput(elements,"md.initialization.vx",VxEnum);
        iomodel->FetchDataToInput(elements,"md.initialization.vy",VyEnum);
        iomodel->FetchDataToInput(elements,"md.basalforcings.groundedice_melting_rate",BasalforcingsGroundediceMeltingRateEnum);
        iomodel->FetchDataToInput(elements,"md.smb.mass_balance",SmbMassBalanceEnum);
        iomodel->FetchDataToInput(elements,"md.balancethickness.thickening_rate",BalancethicknessThickeningRateEnum);

        /*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(i,iomodel,analysis_counter,analysis_type,finiteelement);

                        counter++;
                }
        }

}/*}}}*/
void Balancethickness2Analysis::UpdateParameters(Parameters* parameters,IoModel* iomodel,int solution_enum,int analysis_enum){/*{{{*/
}/*}}}*/

/*Finite Element Analysis*/
void           Balancethickness2Analysis::Core(FemModel* femmodel){/*{{{*/
        _error_("not implemented yet");
}/*}}}*/
ElementVector* Balancethickness2Analysis::CreateDVector(Element* element){/*{{{*/
        /*Default, return NULL*/
        return NULL;
}/*}}}*/
ElementMatrix* Balancethickness2Analysis::CreateJacobianMatrix(Element* element){/*{{{*/
_error_("Not implemented");
}/*}}}*/
ElementMatrix* Balancethickness2Analysis::CreateKMatrix(Element* element){/*{{{*/

        /*Intermediaries */
        IssmDouble  yts = 365*24*3600.;
        IssmDouble  Jdet,vx,vy,vel;
        IssmDouble* xyz_list = NULL;

        /*Fetch number of nodes and dof for this finite element*/
        int numnodes = element->GetNumberOfNodes();

        /*Initialize Element vector and other vectors*/
        ElementMatrix* Ke     = element->NewElementMatrix();
        IssmDouble*    dbasis = xNew<IssmDouble>(2*numnodes);

        /*Retrieve all inputs and parameters*/
        element->GetVerticesCoordinates(&xyz_list);
        Input* vx_input = element->GetInput(VxEnum); _assert_(vx_input); 
        Input* vy_input = element->GetInput(VyEnum); _assert_(vy_input);

        /*Get element characteristic length*/
        IssmDouble h = element->CharacteristicLength();

        /* 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->NodalFunctionsDerivatives(dbasis,xyz_list,gauss);
                element->JacobianDeterminant(&Jdet,xyz_list,gauss);
                vx_input->GetInputValue(&vx,gauss);
                vy_input->GetInputValue(&vy,gauss);

                /*make sure are diffusivisty is large enough*/
                vel = sqrt(vx*vx+vy*vy);
                if(sqrt(vx*vx+vy*vy)==0.){
                        vx = 0.1/yts;
                        vy = 0.1/yts;
                        vel = sqrt(vx*vx+vy*vy);
                }
                else if(vel<30./yts){
                        vx = 0.;//vx/vel*0.01;
                        vy = 0.;//vy/vel*0.01;
                        vel = sqrt(vx*vx+vy*vy);
                        vel = 30./yts*500000.;
                }

                for(int i=0;i<numnodes;i++){
                        for(int j=0;j<numnodes;j++){
                                Ke->values[i*numnodes+j] += gauss->weight*Jdet*(
                                                        (vx*dbasis[0*numnodes+i] + vy*dbasis[1*numnodes+i])*(vx*dbasis[0*numnodes+j] + vy*dbasis[1*numnodes+j])
                                + vel/500000.*(dbasis[0*numnodes+i]*dbasis[0*numnodes+j] + dbasis[1*numnodes+i]*dbasis[1*numnodes+j]));
                        }
                }
        }

        /*Clean up and return*/
        xDelete<IssmDouble>(xyz_list);
        xDelete<IssmDouble>(dbasis);
        delete gauss;
        return Ke;
}/*}}}*/
ElementVector* Balancethickness2Analysis::CreatePVector(Element* element){/*{{{*/

        return NULL;
        /*Intermediaries */
        IssmDouble  dhdt[2],mb[2],ms[2],Jdet;
        IssmDouble* xyz_list = NULL;

        /*Fetch number of nodes and dof for this finite element*/
        int numnodes = element->GetNumberOfNodes();

        /*Initialize Element vector and other vectors*/
        ElementVector* pe    = element->NewElementVector();
        IssmDouble*    basis = xNew<IssmDouble>(numnodes);

        /*Retrieve all inputs and parameters*/
        element->GetVerticesCoordinates(&xyz_list);
        Input* ms_input   = element->GetInput(SmbMassBalanceEnum);                _assert_(ms_input);
        Input* mb_input   = element->GetInput(BasalforcingsGroundediceMeltingRateEnum);       _assert_(mb_input);
        Input* dhdt_input = element->GetInput(BalancethicknessThickeningRateEnum);            _assert_(dhdt_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);
                element->NodalFunctions(basis,gauss);

                ms_input->GetInputDerivativeValue(&ms[0],xyz_list,gauss);

                ms_input->GetInputDerivativeValue(&ms[0],xyz_list,gauss);
                mb_input->GetInputDerivativeValue(&mb[0],xyz_list,gauss);
                dhdt_input->GetInputDerivativeValue(&dhdt[0],xyz_list,gauss);

                for(int i=0;i<numnodes;i++) pe->values[i]+=0*Jdet*gauss->weight*(
                                        (ms[0]+ms[1]-mb[0]-mb[1]-dhdt[0]-dhdt[1])*basis[i]
                                        );
        }

        /*Clean up and return*/
        xDelete<IssmDouble>(xyz_list);
        xDelete<IssmDouble>(basis);
        delete gauss;
        return pe;
}/*}}}*/
void           Balancethickness2Analysis::GetSolutionFromInputs(Vector<IssmDouble>* solution,Element* element){/*{{{*/
                element->GetSolutionFromInputsOneDof(solution,ThicknessEnum);
}/*}}}*/
void           Balancethickness2Analysis::GradientJ(Vector<IssmDouble>* gradient,Element* element,int control_type,int control_index){/*{{{*/
        _error_("Not implemented yet");
}/*}}}*/
void           Balancethickness2Analysis::InputUpdateFromSolution(IssmDouble* solution,Element* element){/*{{{*/

                        element->InputUpdateFromSolutionOneDof(solution,ThicknessEnum);

}/*}}}*/
void           Balancethickness2Analysis::UpdateConstraints(FemModel* femmodel){/*{{{*/
        /*Default, do nothing*/
        return;
}/*}}}*/