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Dynamics.h
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Sat, Aug 3, 06:38

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 {
// -------------------------------------------------------------------------------------------------
class Geometry
{
public:
// solve for DOF-accelerations [ndof]
virtual ColD solve() const { return ColD(); };
// reset residuals, check for convergence
virtual void reset() { return; }
virtual bool stop(double tol) { UNUSED(tol); return false; };
// process time-step
virtual void timestep(double dt) { UNUSED(dt); return; };
// return nodal vectors [nnode, ndim]
virtual MatD x() const { return MatD(); };
virtual MatD v() const { return MatD(); };
virtual MatD a() const { return MatD(); };
// return DOF values [ndof]
virtual ColD dofs_v() const { return ColD(); };
virtual ColD dofs_a() const { return ColD(); };
// overwrite nodal vectors [nnode, ndim]
virtual void set_x(const MatD &pvector) { UNUSED(pvector); return; };
// overwrite nodal vectors, reconstructed from DOF values [ndof]
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 velocityVerlet(Geometry &geometry, double dt);
// iterate until all nodes have come to a rest
inline size_t quasiStaticVelocityVerlet(Geometry &geometry, double dt, double tol);
// -------------------------------------------------------------------------------------------------
}} // namespace ...
// =================================================================================================
#endif

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