deformable_particle.hpp

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#pragma once
 
#include "fem_simulator.hpp"
#include "particle.hpp"
#include "shape_trimesh.hpp"
 
namespace netdem {
 
class DeformationAnalysis;
 
class DeformableParticle : public Particle {
public:
  TriMesh *trimesh{nullptr};
 
  TetMesh tetmesh;
 
  FEMSimulator fem_simulator;
 
  int mesh_res{20};
 
  DeformableParticle();
 
  Particle *Clone() const override;
 
  void SetShape(Shape *s) override;
 
  void InitFEMMesh();
 
  void SetDensity(double dens) override;
 
  void SetPosition(double x, double y, double z) override;
 
  void SetRodrigues(double angle, double axis_x, double axis_y,
                    double axis_z) override;
 
  void SetQuaternion(double q_0, double q_1, double q_2, double q_3) override;
 
  void SetVelocity(double v_x, double v_y, double v_z) override;
 
  Vec3d GetVelocity(Vec3d const &pos) override;
 
  void AddForce(int node_id, Vec3d const &f);
 
  void ClearForce() override;
 
  void ApplyContactForce(ContactPP const *cnt) override;
 
  void ApplyContactForce(ContactPW const *cnt) override;
 
  void UpdateMotion(double dt) override;
 
  void UpdateShape();
 
  void UpdateBoundFast() override;
  
  void UpdateBound() override;
 
  void SaveSurfaceAsVTK(std::string const &filename);
 
  void SaveAsVTK(std::string const &filename) override;
 
  ~DeformableParticle() override;
 
private:
  void InitFEMSimulator();
};
 
} // namespace netdem