tpzline.h

Go to the documentation of this file.

#ifndef PZTOPOLOGYTPZLINE_H
#define PZTOPOLOGYTPZLINE_H

#include "pzfmatrix.h"
#include "pzstack.h"
#include "pztrnsform.h"
#include "pzquad.h"
#include "pzeltype.h"
#include "pzaxestools.h"

#ifdef _AUTODIFF
#include "fadType.h"
#endif

#include "TPZTopologyUtils.h"

class TPZIntPoints;
class TPZInt1d;
class TPZGraphEl1dd;

class TPZCompEl;
class TPZGeoEl;
class TPZCompMesh;

namespace pztopology {
                class TPZLine : public TPZSavable {
                public:
        friend void pztopology::GetPermutation<TPZLine>(const int permute, TPZVec<int> &permutation);
                                enum {NCornerNodes = 2, NSides = 3, Dimension = 1, NFaces = 2, NPermutations = 2};
                                
                public:
                int ClassId() const override;
                void Read(TPZStream &buf, void *context) override;
                void Write(TPZStream &buf, int withclassid) const override;

        TPZLine() : TPZRegisterClassId(&TPZLine::ClassId){
                                }
                                
                                virtual ~TPZLine() {
                                }

        static void Shape(TPZVec<REAL> &loc,TPZFMatrix<REAL> &phi,TPZFMatrix<REAL> &dphi){
            TShape(loc, phi, dphi);
        }
        template<class T>
        static void TShape(const TPZVec<T> &loc,TPZFMatrix<T> &phi,TPZFMatrix<T> &dphi);

        template<class T>
        static void BlendFactorForSide(const int &side, const TPZVec<T> &xi, T &blendFactor,
                                      TPZVec<T> &corrFactorDxi);
                                static int SideDimension(int side);

                                static void LowerDimensionSides(int side,TPZStack<int> &smallsides);
                                static void LowerDimensionSides(int side,TPZStack<int> &smallsides, int DimTarget);
                                
                                static void HigherDimensionSides(int side, TPZStack<int> &high);

                                static int NSideNodes(int side);

                                static int SideNodeLocId(int side, int node);

                                static int NumSides();
                                static int NumSides(int dimension);
                                
                                static int NContainedSides(int side);

                                static int ContainedSideLocId(int side, int c);
                                
                                static void CenterPoint(int side, TPZVec<REAL> &center);
                                
                                static bool IsInParametricDomain(const TPZVec<REAL> &pt, REAL tol = pztopology::gTolerance);

        #ifdef _AUTODIFF

                                static bool IsInParametricDomain(const TPZVec<Fad<REAL>> &pt, REAL tol = pztopology::gTolerance){
                                    TPZVec<REAL> xi(pt.size());
                                    for(int i = 0; i < pt.size(); i++) xi[i]= pt[i].val();
                                    return IsInParametricDomain(xi,tol);
                                }
        #endif

        static void RandomPoint(TPZVec<REAL> &pt);

        template<class T>
        static bool CheckProjectionForSingularity(const int &side, const TPZVec<T> &xiInterior);

        template<class T>
        static void MapToSide(int side, TPZVec<T> &InternalPar, TPZVec<T> &SidePar, TPZFMatrix<T> &JacToSide);
        
        static void ParametricDomainNodeCoord(int node, TPZVec<REAL> &nodeCoord);

                                static MElementType Type();
                                static MElementType Type(int side);

                                static TPZTransform<> SideToSideTransform(int sidefrom, int sideto);

                                static TPZTransform<> TransformSideToElement(int side);

                                static TPZTransform<> TransformElementToSide(int side);
                                
                                static int GetTransformId(TPZVec<int64_t> &id);
        

        
                                static int GetTransformId(int side, TPZVec<int64_t> &id);
                                
                                static TPZIntPoints *CreateSideIntegrationRule(int side, int order);
                                
                                typedef TPZInt1d IntruleType;
                                typedef TPZGraphEl1dd GraphElType;
                                
                                static void GetSideHDivPermutation(int transformationid, TPZVec<int> &permgather);

                                static constexpr REAL RefElVolume() { return 2.0; }
        
        /* Given side and gradx the method returns directions needed for Hdiv space */
        static void ComputeDirections(int side, TPZFMatrix<REAL> &gradx, TPZFMatrix<REAL> &directions, TPZVec<int> &sidevectors);
        static void GetSideHDivDirections(TPZVec<int> &sides, TPZVec<int> &dir, TPZVec<int> &bilinearounao);
        static void GetSideHDivDirections(TPZVec<int> &sides, TPZVec<int> &dir, TPZVec<int> &bilinearounao, TPZVec<int> &sidevectors);
        
        template <class TVar>
        static void ComputeHDivDirections(TPZFMatrix<TVar> &gradx, TPZFMatrix<TVar> &directions)
        {
            TVar detjac = TPZAxesTools<TVar>::ComputeDetjac(gradx);
            
            for (int i=0; i<3; i++) {
                directions(i,0) = -gradx(i,0)/detjac;
                directions(i,1) = gradx(i,0)/detjac;
                directions(i,2) = gradx(i,0)/detjac;
            }
        }
        

        
        static int NBilinearSides();
                protected:
        static int fPermutations [2][3];
                                
                };
                
}

#endif