da2d5ad2ac
git-svn-id: http://svn.sintef.no/trondheim/IFEM/trunk@798 e10b68d5-8a6e-419e-a041-bce267b0401d
71 lines
2.1 KiB
C++
71 lines
2.1 KiB
C++
// $Id$
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//==============================================================================
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//!
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//! \file SIMLinEl3D.h
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//!
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//! \date Dec 08 2009
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//!
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//! \author Knut Morten Okstad / SINTEF
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//!
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//! \brief Solution driver for 3D NURBS-based linear elastic FEM analysis.
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//!
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//==============================================================================
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#ifndef _SIM_LIN_EL_3D_H
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#define _SIM_LIN_EL_3D_H
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#include "SIM3D.h"
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#include "SIMenums.h"
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/*!
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\brief Driver class for 3D isogeometric FEM analysis of elasticity problems.
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\details The class incapsulates data and methods for solving linear elasticity
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problems using NURBS-based finite elements. It reimplements the parse method
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of the parent class.
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*/
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class SIMLinEl3D : public SIM3D
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{
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//! \brief Struct for storage of physical material property parameters.
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struct IsoMat
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{
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double E; //!< Young's modulus
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double nu; //!< Poisson's ratio
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double rho; //!< Mass density
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//! \brief Default constructor.
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IsoMat() { E = nu = rho = 0.0; }
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//! \brief Constructor initializing a material instance.
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IsoMat(double Emod, double Poiss, double D) : E(Emod), nu(Poiss), rho(D) {}
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};
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typedef std::vector<IsoMat> MaterialVec; //!< Vector of material data sets
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public:
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//! \brief Default constructor.
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//! \param[in] checkRHS If \e true, ensure the model is in a right-hand system
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//! \param[in] form Problem formulation option
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SIMLinEl3D(bool checkRHS = false, int form = SIM::LINEAR);
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//! \brief Empty destructor.
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virtual ~SIMLinEl3D() {}
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protected:
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//! \brief Parses a data section from the input stream.
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//! \param[in] keyWord Keyword of current data section to read
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//! \param is The file stream to read from
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virtual bool parse(char* keyWord, std::istream& is);
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//! \brief Initializes material properties for integration of interior terms.
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//! \param[in] propInd Physical property index
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virtual bool initMaterial(size_t propInd);
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//! \brief Initializes for integration of Neumann terms for a given property.
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//! \param[in] propInd Physical property index
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virtual bool initNeumann(size_t propInd);
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private:
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MaterialVec mVec; //!< Material data
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};
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#endif
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