ValanisLandelQuasiNewton.h File Reference

Header for Valanis-Landel Quasi-Newton stiffness. More...

#include "pbat/common/Concepts.h"
#include "pbat/physics/Enums.h"
#include <Eigen/Core>
#include <cmath>

Go to the source code of this file.

Namespaces
namespace	pbat
	The main namespace of the library.
namespace	pbat::sim
	PBAT simulation algorithms.
namespace	pbat::sim::algorithm
	Namespace for PBAT simulation algorithms.
namespace	pbat::sim::algorithm::pd
	Namespace for Projective Dynamics simulation algorithms.

Functions
template<common::CArithmetic TScalar>
TScalar	pbat::sim::algorithm::pd::ValanisLandelQuasiNewtonStiffness (TScalar mu, TScalar lambda, Eigen::Vector< TScalar, 3 > const &sigma, TScalar sigmalo, TScalar sigmahi, physics::EHyperElasticEnergy energy)
	Computes the element constraint stiffness for the quasi-Newton Projective Dynamics hessian approximation [9] .
template<class TDerivedMu, class TDerivedLambda, class TDerivedSigma, class TDerivedSigmaLo, class TDerivedSigmaHi, class TDerivedK>
void	pbat::sim::algorithm::pd::ValanisLandelQuasiNewtonStiffness (Eigen::DenseBase< TDerivedMu > const &mu, Eigen::DenseBase< TDerivedLambda > const &lambda, Eigen::DenseBase< TDerivedSigma > const &sigma, Eigen::DenseBase< TDerivedSigmaLo > const &sigmalo, Eigen::DenseBase< TDerivedSigmaHi > const &sigmahi, physics::EHyperElasticEnergy energy, Eigen::DenseBase< TDerivedK > &k)
	Vectorized version of ValanisLandelQuasiNewtonStiffness.

Detailed Description

Header for Valanis-Landel Quasi-Newton stiffness.

Author

Quoc-Minh Ton-That (tonth.nosp@m.at.q.nosp@m.uocmi.nosp@m.nh@g.nosp@m.mail..nosp@m.com)

Version

0.1

Date

2025-09-25

Copyright

Copyright (c) 2025