MPM-Geomechanics/Interpolation_8h_source.html

// SPDX-License-Identifier: MIT

// Copyright (c) 2021-2025 MPM-Geomechanics Development Team


#ifndef INTERPOLATION_H_

#define INTERPOLATION_H_


#include "Eigen/Core"

using Eigen::Vector3d;


#include <vector>

using std::vector;


#include "TerrainContact.h"

#include "Particle/Particle.h"


class Mesh;

class Body;

class Particle;


namespace Interpolation

{


    void nodalMassWithParticles(Mesh *mesh, vector<Particle *> *particles);


    void nodalMass(Mesh *mesh, vector<Body *> *bodies);


    void nodalMassFuid(Mesh *mesh, vector<Body *> *bodies);


    void nodalMomentum(Mesh *mesh, vector<Body *> *bodies);


    void nodalMomentumFluid(Mesh *mesh, vector<Body *> *bodies);


    void nodalInternalForce(Mesh *mesh, vector<Body *> *bodies);


    void nodalInternalForceFluid(Mesh *mesh, vector<Body *> *bodies);


    void nodalExternalForce(Mesh *mesh, vector<Body *> *bodies);


    void nodalExternalForceFluid(Mesh *mesh, vector<Body *> *bodies);


    void nodalDragForceFluid(Mesh *mesh, vector<Body *> *bodies);


    void particleStrainIncrement(Mesh *mesh, vector<Body *> *bodies, double time_step);


    void particleStrainIncrementFluid(Mesh *mesh, vector<Body *> *bodies, double time_step);


    void particleVorticityIncrement(Mesh *mesh, vector<Body *> *bodies, double time_step);


    void particleDeformationGradient(Mesh *mesh, vector<Body *> *bodies, double time_step);


    Eigen::Vector3d interpolateVector(const std::vector<double>& times, const std::vector<Eigen::Vector3d>& values, double itime);

};


#endif /* INTERPOLATION_H_ */

Particle.h

TerrainContact.h

Body
Represents a body in the space forming by a group of materials points and identified by a number.
Definition Body.h:15

Mesh
Class representing a rectangular grid mesh.
Definition Mesh.h:26

Particle
Represents a Lagrangian material point This class contain all Lagrangian variables that represents th...
Definition Particle.h:25

Interpolation
Represents the interpolation operations in the MPM.

Interpolation::nodalMassWithParticles
void nodalMassWithParticles(Mesh *mesh, vector< Particle * > *particles)
For test only.

Interpolation::nodalMomentumFluid
void nodalMomentumFluid(Mesh *mesh, vector< Body * > *bodies)
Interpolate fluid momentum from particles to nodes.

Interpolation::nodalInternalForceFluid
void nodalInternalForceFluid(Mesh *mesh, vector< Body * > *bodies)
Interpolate internal force of fluid from particles to nodes.

Interpolation::nodalMass
void nodalMass(Mesh *mesh, vector< Body * > *bodies)
Interpolate solid mass from particles to nodes.

Interpolation::nodalDragForceFluid
void nodalDragForceFluid(Mesh *mesh, vector< Body * > *bodies)
Interpolate drag force of fluid from particles to nodes.

Interpolation::nodalInternalForce
void nodalInternalForce(Mesh *mesh, vector< Body * > *bodies)
Interpolate internal force of solid from particles to nodes.

Interpolation::particleStrainIncrementFluid
void particleStrainIncrementFluid(Mesh *mesh, vector< Body * > *bodies, double time_step)
Interpolate the strain increment of fluid at particle.

Interpolation::nodalExternalForce
void nodalExternalForce(Mesh *mesh, vector< Body * > *bodies)
Interpolate external force of solid from particles to nodes.

Interpolation::nodalExternalForceFluid
void nodalExternalForceFluid(Mesh *mesh, vector< Body * > *bodies)
Interpolate external force of fluid from particles to nodes.

Interpolation::particleVorticityIncrement
void particleVorticityIncrement(Mesh *mesh, vector< Body * > *bodies, double time_step)
Interpolate vorticity increment of solid at particle.

Interpolation::particleStrainIncrement
void particleStrainIncrement(Mesh *mesh, vector< Body * > *bodies, double time_step)
Interpolate the strain increment of solid at particle.

Interpolation::particleDeformationGradient
void particleDeformationGradient(Mesh *mesh, vector< Body * > *bodies, double time_step)
Interpolate deformation gradient of solid at particle.

Interpolation::interpolateVector
Eigen::Vector3d interpolateVector(const std::vector< double > &times, const std::vector< Eigen::Vector3d > &values, double itime)
Interpolate a vector3d in time using linear interpolation.

Interpolation::nodalMomentum
void nodalMomentum(Mesh *mesh, vector< Body * > *bodies)
Interpolate solid momentum from particles to nodes.

Interpolation::nodalMassFuid
void nodalMassFuid(Mesh *mesh, vector< Body * > *bodies)
Interpolate fluid mass from particles to nodes.