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Dynamics.h
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Created
Wed, Sep 11, 04:00
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2 KB
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text/x-c++
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Fri, Sep 13, 04:00 (2 d)
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rGOOSEFEM GooseFEM
Dynamics.h
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/* =================================================================================================
(c - GPLv3) T.W.J. de Geus (Tom) | tom@geus.me | www.geus.me | github.com/tdegeus/GooseFEM
================================================================================================= */
#ifndef GOOSEFEM_DYNAMICS_H
#define GOOSEFEM_DYNAMICS_H
// -------------------------------------------------------------------------------------------------
#include "GooseFEM.h"
// ======================================= GooseFEM::Dynamics =======================================
namespace GooseFEM {
namespace Dynamics {
// ------------------------------------------ dummy class ------------------------------------------
class Geometry
{
public:
// solve for DOF-accelerations [ndof]
virtual ColD solve_A() { return ColD(); };
virtual ColD solve_V() { return ColD(); };
// return nodal vectors [nnode, ndim]
virtual MatD u() const { return MatD(); };
virtual MatD v() const { return MatD(); };
virtual MatD a() const { return MatD(); };
// return DOF values [ndof]
virtual ColD dofs_u() const { return ColD(); };
virtual ColD dofs_v() const { return ColD(); };
virtual ColD dofs_a() const { return ColD(); };
// overwrite nodal vectors [nnode, ndim]
virtual void set_u(const MatD &nodevec) { UNUSED(nodevec); return; };
// overwrite nodal vectors, reconstructed from DOF values [ndof]
virtual void set_u(const ColD &dofval) { UNUSED(dofval); return; };
virtual void set_v(const ColD &dofval) { UNUSED(dofval); return; };
virtual void set_a(const ColD &dofval) { UNUSED(dofval); return; };
};
// ------------------------------------ evaluate one time step -------------------------------------
inline void Verlet (Geometry &geometry, double dt, size_t nstep=1);
inline void velocityVerlet(Geometry &geometry, double dt, size_t nstep=1);
namespace Overdamped {
inline void forwardEuler (Geometry &geometry, double dt, size_t nstep=1);
}
// -------------------------------------------------------------------------------------------------
}} // namespace ...
// =================================================================================================
#endif
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