Changeset 16811

Timestamp:

11/16/13 21:34:25 (11 years ago)

Author:

Mathieu Morlighem

Message:

NEW: PVEctor Balance thickness

Location:

issm/trunk-jpl/src/c/analyses

Files:

• BalancethicknessAnalysis.cpp (modified) (1 diff)
• BalancethicknessAnalysis.h (modified) (1 diff)

issm/trunk-jpl/src/c/analyses/BalancethicknessAnalysis.cpp ¶

@@ -118 +118 @@
 }/*}}}*/
 ElementVector* BalancethicknessAnalysis::CreatePVector(Element* element){/*{{{*/
-_error_("not implemented yet");
+
+        if(!element->IsOnBed()) return NULL;
+        Element* basalelement = element->SpawnBasalElement();
+
+        switch(element->FiniteElement()){
+                case P1Enum: case P2Enum:
+                        return CreatePVectorCG(basalelement);
+                case P1DGEnum:
+                        return CreatePVectorDG(basalelement);
+                default:
+                        _error_("Element type " << EnumToStringx(element->FiniteElement()) << " not supported yet");
+        }
+
+}/*}}}*/
+ElementVector* BalancethicknessAnalysis::CreatePVectorCG(Element* element){/*{{{*/
+
+        /*Intermediaries */
+        IssmDouble  dhdt,mb,ms,Jdet;
+        IssmDouble* xyz_list;
+
+        /*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* mb_input   = element->GetInput(BasalforcingsMeltingRateEnum);       _assert_(mb_input);
+        Input* ms_input   = element->GetInput(SurfaceforcingsMassBalanceEnum);     _assert_(ms_input);
+        Input* dhdt_input = element->GetInput(BalancethicknessThickeningRateEnum); _assert_(dhdt_input);
+
+        /*Initialize mb_correction to 0, do not forget!:*/
+        /* 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->GetInputValue(&ms,gauss);
+                mb_input->GetInputValue(&mb,gauss);
+                dhdt_input->GetInputValue(&dhdt,gauss);
+
+                for(int i=0;i<numnodes;i++) pe->values[i]+=Jdet*gauss->weight*(ms-mb-dhdt)*basis[i];
+        }
+
+        /*Clean up and return*/
+        xDelete<IssmDouble>(xyz_list);
+        xDelete<IssmDouble>(basis);
+        delete gauss;
+        return pe;
+}/*}}}*/
+ElementVector* BalancethicknessAnalysis::CreatePVectorDG(Element* element){/*{{{*/
+
+        /*Intermediaries */
+        IssmDouble  dhdt,mb,ms,Jdet;
+        IssmDouble* xyz_list;
+
+        /*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* mb_input   = element->GetInput(BasalforcingsMeltingRateEnum);       _assert_(mb_input);
+        Input* ms_input   = element->GetInput(SurfaceforcingsMassBalanceEnum);     _assert_(ms_input);
+        Input* dhdt_input = element->GetInput(BalancethicknessThickeningRateEnum); _assert_(dhdt_input);
+
+        /*Initialize mb_correction to 0, do not forget!:*/
+        /* 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->GetInputValue(&ms,gauss);
+                mb_input->GetInputValue(&mb,gauss);
+                dhdt_input->GetInputValue(&dhdt,gauss);
+
+                for(int i=0;i<numnodes;i++) pe->values[i]+=Jdet*gauss->weight*(ms-mb-dhdt)*basis[i];
+        }
+
+        /*Clean up and return*/
+        xDelete<IssmDouble>(xyz_list);
+        xDelete<IssmDouble>(basis);
+        delete gauss;
+        return pe;
 }/*}}}*/
 void BalancethicknessAnalysis::GetSolutionFromInputs(Vector<IssmDouble>* solution,Element* element){/*{{{*/

issm/trunk-jpl/src/c/analyses/BalancethicknessAnalysis.h ¶

@@ -23 +23 @@
                 ElementMatrix* CreateKMatrix(Element* element);
                 ElementVector* CreatePVector(Element* element);
+                ElementVector* CreatePVectorCG(Element* element);
+                ElementVector* CreatePVectorDG(Element* element);
                 void GetSolutionFromInputs(Vector<IssmDouble>* solution,Element* element);
                 void InputUpdateFromSolution(IssmDouble* solution,Element* element);