Material properties for contact laws. More...

#include <material.hpp>

Inheritance diagram for micromechanical::core::Material< T >:

Collaboration diagram for micromechanical::core::Material< T >:

Public Member Functions
	Material (const std::unordered_map< std::string, T > &props={})
	Constructor.
void	initialize (StateVariable< T > &sv) override
	Initialize the material.
void	setAnisotropicParameters (const std::string &key, const std::string &type="chang1990-ext", const std::string &evolution="li2012", const std::unordered_map< std::string, T > &coefs={})
	Set anisotropic parameters.
T	anisotropicFactor (const std::string &key, const int idx)
	Return the anisotropic factor.
T	get_ (const std::string &key, const int idx, const T default_=0.0)
	Get a parameter value with anisotropic factor.
T	kn0_ (const int idx)
	reference normal stiffness
T	kt0_ (const int idx)
	reference tangential stiffness
T	fref_ (const int idx)
	reference force
T	krr_ (const int idx)
	ratio of tangential to normal stiffness
T	R_ (const int idx)
	ratio of normal to tangential stiffness
T	ne_ (const int idx)
	exponent in the equation of normal stiffness
T	ng_ (const int idx)
	exponent in the equation of tangential stiffness
T	cohesion_ (const int idx)
	cohesion
T	e0_ (const int idx)
	initial void ratio
T	ec0_ (const int idx)
	critical void ratio
T	emin_ (const int idx)
	minimum void ratio
T	emax_ (const int idx)
	maximum void ratio
T	Lambda_ (const int idx)
	slope of critical state line
T	kappa_ (const int idx)
	slope of swelling line
T	xi_ (const int idx)
	a parameter controlling the shape of critical state line
T	eref_ (const int idx)
	reference void ratio
T	eref0_ (const int idx)
	initial reference void ratio
T	pref_ (const int idx)
	reference pressure
T	np_ (const int idx)
	a parameter controlling the dilation
T	nd_ (const int idx)
	a parameter controlling the dilation
T	Ad_ (const int idx)
	a parameter controlling the dilation
T	erefu_ (const int idx)
	ultimate reference void ratio
T	b_ (const int idx)
	a parameter controlling the particle breakage
T	rho_ (const int idx)
	a parameter controlling the rate of particle breakage
T	nw_ (const int idx)
	a parameter controlling the particle breakage
T	vi_ (const int idx)
	initial slope of normal displacement versus tangential displacement curve
T	vf_ (const int idx)
	final slope of normal displacement versus tangential displacement curve
T	m_ (const int idx)
	a parameter controlling the shape of yield surface
T	n_ (const int idx)
	a parameter controlling the shape of yield surface
T	fb0_ (const int idx)
	initial adhesive force
T	fc0_ (const int idx)
	initial size of the yield surface
T	xib_ (const int idx)
	a parameter controlling the hardening of the adhesive force
T	xic_ (const int idx)
	a parameter controlling the hardening of the size of the yield surface
T	chi0_ (const int idx)
	initial bounding ratio
T	hp_ (const int idx)
	a parameter relating to plastic modulus of bounding surface effect
T	kp_ (const int idx)
	a parameter controlling the yield surface of SIMSAND model
T	kpr_ (const int idx)
	a parameter controlling the yield surface of SIMSAND model
T	h0_ (const int idx)
	a parameter controlling the hardening of the back stress ratio
T	ch_ (const int idx)
	a parameter controlling the hardening of the back stress ratio
T	c_ (const int idx)
	a parameter controlling the hardening of the back stress ratio
T	fnr_ (const int idx)
	mean effective stress when log(e) = 1 in the LCC line (log(e)-log(p) space)
T	rhoc_ (const int idx)
	slope of the LCC line in the log(e) - log(p) space
T	theta_ (const int idx)
	a constant exponent in the hardening behavior of p0
T	X_ (const int idx)
	a positive model parameter
T	V_ (const int idx)
	a large model parameter
T	kn0 () const
	reference normal stiffness
T	kt0 () const
	reference tangential stiffness
T	fref () const
	reference force
T	krr () const
	ratio of tangential to normal stiffness
T	R () const
	ratio of normal to tangential stiffness
T	ne () const
	exponent in the equation of normal stiffness
T	ng () const
	exponent in the equation of tangential stiffness
T	phi () const
	friction angle
T	cohesion () const
	cohesion
T	e0 () const
	initial void ratio
T	ec0 () const
	critical void ratio
T	emin () const
	minimum void ratio
T	emax () const
	maximum void ratio
T	Lambda () const
	slope of critical state line
T	kappa () const
	slope of swelling line
T	xi () const
	a parameter controlling the shape of critical state line
T	eref () const
	reference void ratio
T	eref0 () const
	initial reference void ratio
T	pref () const
	reference pressure
T	np () const
	a parameter controlling the dilation
T	nd () const
	a parameter controlling the dilation
T	Ad () const
	a parameter controlling the dilation
T	erefu () const
	ultimate reference void ratio
T	b () const
	a parameter controlling the particle breakage
T	rho () const
	a parameter controlling the rate of particle breakage
T	nw () const
	a parameter controlling the particle breakage
T	vi () const
	initial slope of normal displacement versus tangential displacement curve
T	vf () const
	final slope of normal displacement versus tangential displacement curve
T	m () const
	a parameter controlling the shape of yield surface
T	n () const
	a parameter controlling the shape of yield surface
T	fb0 () const
	initial adhesive force
T	fc0 () const
	initial size of the yield surface
T	xib () const
	a parameter controlling the hardening of the adhesive force
T	xic () const
	a parameter controlling the hardening of the size of the yield surface
T	chi0 () const
	initial bounding ratio
T	hp () const
	a parameter relating to plastic modulus of bounding surface effect
T	kp () const
	a parameter controlling the yield surface of SIMSAND model
T	kpr () const
	a parameter controlling the yield surface of SIMSAND model
T	h0 () const
	a parameter controlling the hardening of the back stress ratio
T	ch () const
	a parameter controlling the hardening of the back stress ratio
T	c () const
	a parameter controlling the hardening of the back stress ratio
T	pr () const
	mean effective stress when log(e) = 1 in the LCC line (log(e)-log(p) space)
T	rhoc () const
	slope of the LCC line in the log(e) - log(p) space
T	theta () const
	a constant exponent in the hardening behavior of p0
T	X () const
	a positive model parameter
T	V () const
	a large model parameter
T	phi_ (const int idx, T ba=0.0, T Ra=1.0, T weight_mises=0.0, T weight_tresca=0.0, T weight_mohr_coulomb=1.0, T weight_smp=0.0)
	friction angle
T	mu_ (const int idx, T ba=0.0, T Ra=1.0, T weight_mises=0.0, T weight_tresca=0.0, T weight_mohr_coulomb=1.0, T weight_smp=0.0)
	friction coefficient
T	Mc_ (const int idx, T ba=0.0, T Ra=1.0, T weight_mises=0.0, T weight_tresca=0.0, T weight_mohr_coulomb=1.0, T weight_smp=0.0)
	Get the critical state slope for compression.
T	Me_ (const int idx, T ba=0.0, T Ra=1.0, T weight_mises=0.0, T weight_tresca=0.0, T weight_mohr_coulomb=1.0, T weight_smp=0.0)
	Get the critical state slope for extension.
Public Member Functions inherited from constitutive::MaterialBase< T >
	MaterialBase (const std::unordered_map< std::string, T > &props={})
	Constructor.
virtual	~MaterialBase ()=default
	Destructor.
T &	operator[] (const std::string &key)
	Access material properties.
T	operator[] (const std::string &key) const
	Access material properties.
void	__setitem__ (const std::string &key, const T value)
	Set item.
bool	__contains__ (const std::string &key) const
	Determine if the material has a property, to be used in Python.
T	at (const std::string &key) const
	Access material properties.
T	get (const std::string &key, const T default_=0.0) const
void	set (const std::string &key, const T value)
	Set material properties.
T	sin_phi_mises (const T ba=0.0, const T Ra=1.0) const
	Friction angle sine of Von Mises failure criteria.
T	sin_phi_tresca (const T ba=0.0, const T Ra=1.0) const
	Friction angle sine of Tresca failure criteria.
T	sin_phi_smp (const T ba=0.0, const T Ra=1.0) const
	Friction angle sine of SMP failure criteria.
T	sin_phi_combined (const T ba=0.0, const T Ra=1.0, const T weight_mises=0.0, const T weight_tresca=0.0, const T weight_mohr_coulomb=1.0, const T weight_smp=0.0) const
	Sine of combined friction angle.
T	phi_combined (const T ba=0.0, const T Ra=1.0, const T weight_mises=0.0, const T weight_tresca=0.0, const T weight_mohr_coulomb=1.0, const T weight_smp=0.0) const
	Combined friction angle.
T	mu (T ba=0.0, T Ra=1.0, T weight_mises=0.0, T weight_tresca=0.0, T weight_mohr_coulomb=1.0, T weight_smp=0.0) const
	friction coefficient
T	Mc (T ba=0.0, T Ra=1.0, T weight_mises=0.0, T weight_tresca=0.0, T weight_mohr_coulomb=1.0, T weight_smp=0.0) const
	Get the critical state slope for compression.
T	Me (T ba=0.0, T Ra=1.0, T weight_mises=0.0, T weight_tresca=0.0, T weight_mohr_coulomb=1.0, T weight_smp=0.0) const
	Get the critical state slope for extension.

Static Public Member Functions
static std::unordered_map< std::string, T >	create (const std::vector< std::string > &keys, const std::vector< T > &values)
	Create a material.
static std::unordered_map< std::string, T >	elastic (const std::vector< T > &props)
	Create an elastic material.
static std::unordered_map< std::string, T >	elastic (T *props)
	Create an elastic material.
static std::unordered_map< std::string, T >	coulomb (const std::vector< T > &props)
	Create a coulomb material.
static std::unordered_map< std::string, T >	coulomb (T *props)
	Create a coulomb material.
static std::unordered_map< std::string, T >	exponential (const std::vector< T > &props)
	Create an exponential material.
static std::unordered_map< std::string, T >	exponential (T *props)
	Create an exponential material.
static std::unordered_map< std::string, T >	hyperbolic (const std::vector< T > &props)
	Create a hyperbolic material.
static std::unordered_map< std::string, T >	hyperbolic (T *props)
	Create a hyperbolic material.
static std::unordered_map< std::string, T >	hypoplastic (const std::vector< T > &props)
	Create a hypoplastic material.
static std::unordered_map< std::string, T >	hypoplastic (T *props)
	Create a hypoplastic material.
static std::unordered_map< std::string, T >	mcc (const std::vector< T > &props)
	Create a mcc material.
static std::unordered_map< std::string, T >	mcc (T *props)
	Create a mcc material.
static std::unordered_map< std::string, T >	sanisand (const std::vector< T > &props)
	Create a sanisand material.
static std::unordered_map< std::string, T >	sanisand (T *props)
	Create a sanisand material.
static std::unordered_map< std::string, T >	simsand (const std::vector< T > &props)
	Create a simsand material.
static std::unordered_map< std::string, T >	simsand (T *props)
	Create a simsand material.
static std::unordered_map< std::string, T >	osimsand (const std::vector< T > &props)
	Create a osimsand material.
static std::unordered_map< std::string, T >	osimsand (T *props)
	Create a osimsand material.
Static Public Member Functions inherited from constitutive::MaterialBase< T >
static std::unordered_map< std::string, T >	create (const std::vector< std::string > &keys, const std::vector< T > &values)
	Create a material.

Public Attributes
std::shared_ptr< Integration< T > >	integration = std::shared_ptr<Integration<T>>(nullptr)
	Integration.
std::unordered_map< std::string, std::shared_ptr< FabricTensor< T > > >	fabrics = {}
	Fabric tensors.
Public Attributes inherited from constitutive::MaterialBase< T >
std::unordered_map< std::string, T >	props = {}
	Material properties.

Detailed Description

template<typename T>
struct micromechanical::core::Material< T >

Material properties for contact laws.

Constructor & Destructor Documentation

◆ Material()

template<typename T>

micromechanical::core::Material< T >::Material ( const std::unordered_map< std::string, T > & props = {} )

inlineexplicit

Constructor.

Parameters

props Material properties

References constitutive::MaterialBase< T >::props.

Member Function Documentation

◆ Ad()

template<typename T>

T micromechanical::core::Material< T >::Ad ( ) const

inline

a parameter controlling the dilation

References constitutive::MaterialBase< T >::at().

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◆ Ad_()

template<typename T>

T micromechanical::core::Material< T >::Ad_ ( const int idx )

inline

a parameter controlling the dilation

References get_().

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◆ anisotropicFactor()

template<typename T>

T micromechanical::core::Material< T >::anisotropicFactor	(	const std::string &	key,
		const int	idx )

inline

Return the anisotropic factor.

Parameters

key	The key of the anisotropic parameter
idx	The index of the integration point

Returns: The anisotropic factor

Referenced by get_(), and phi_().

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◆ b()

template<typename T>

T micromechanical::core::Material< T >::b ( ) const

inline

a parameter controlling the particle breakage

References constitutive::MaterialBase< T >::at().

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◆ b_()

template<typename T>

T micromechanical::core::Material< T >::b_ ( const int idx )

inline

a parameter controlling the particle breakage

References get_().

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◆ c()

template<typename T>

T micromechanical::core::Material< T >::c ( ) const

inline

a parameter controlling the hardening of the back stress ratio

References constitutive::MaterialBase< T >::at().

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◆ c_()

template<typename T>

T micromechanical::core::Material< T >::c_ ( const int idx )

inline

a parameter controlling the hardening of the back stress ratio

References get_().

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◆ ch()

template<typename T>

T micromechanical::core::Material< T >::ch ( ) const

inline

a parameter controlling the hardening of the back stress ratio

References constitutive::MaterialBase< T >::at().

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◆ ch_()

template<typename T>

T micromechanical::core::Material< T >::ch_ ( const int idx )

inline

a parameter controlling the hardening of the back stress ratio

References get_().

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◆ chi0()

template<typename T>

T micromechanical::core::Material< T >::chi0 ( ) const

inline

initial bounding ratio

References constitutive::MaterialBase< T >::at().

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◆ chi0_()

template<typename T>

T micromechanical::core::Material< T >::chi0_ ( const int idx )

inline

initial bounding ratio

References get_().

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◆ cohesion()

template<typename T>

T micromechanical::core::Material< T >::cohesion ( ) const

inline

cohesion

References constitutive::MaterialBase< T >::at().

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◆ cohesion_()

template<typename T>

T micromechanical::core::Material< T >::cohesion_ ( const int idx )

inline

cohesion

References get_().

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◆ coulomb() [1/2]

template<typename T>

std::unordered_map< std::string, T > micromechanical::core::Material< T >::coulomb ( const std::vector< T > & props )

inlinestatic

Create a coulomb material.

Parameters

props Material properties: kt0, R, phi

Returns: Coulomb material

References create(), and constitutive::MaterialBase< T >::props.

Referenced by coulomb().

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◆ coulomb() [2/2]

template<typename T>

std::unordered_map< std::string, T > micromechanical::core::Material< T >::coulomb ( T * props )

inlinestatic

Create a coulomb material.

Parameters

props Material properties: kt0, R, phi

Returns: Coulomb material

References coulomb(), and constitutive::MaterialBase< T >::props.

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◆ create()

template<typename T>

std::unordered_map< std::string, T > micromechanical::core::Material< T >::create	(	const std::vector< std::string > &	keys,
		const std::vector< T > &	values )

inlinestatic

Create a material.

Parameters

keys	The keys of the material properties
values	The values of the material properties

References constitutive::MaterialBase< T >::props.

Referenced by coulomb(), elastic(), exponential(), hyperbolic(), hypoplastic(), mcc(), osimsand(), sanisand(), and simsand().

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◆ e0()

template<typename T>

T micromechanical::core::Material< T >::e0 ( ) const

inline

initial void ratio

References constitutive::MaterialBase< T >::at().

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◆ e0_()

template<typename T>

T micromechanical::core::Material< T >::e0_ ( const int idx )

inline

initial void ratio

References get_().

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◆ ec0()

template<typename T>

T micromechanical::core::Material< T >::ec0 ( ) const

inline

critical void ratio

References constitutive::MaterialBase< T >::at().

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◆ ec0_()

template<typename T>

T micromechanical::core::Material< T >::ec0_ ( const int idx )

inline

critical void ratio

References get_().

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◆ elastic() [1/2]

template<typename T>

std::unordered_map< std::string, T > micromechanical::core::Material< T >::elastic ( const std::vector< T > & props )

inlinestatic

Create an elastic material.

Parameters

props Material properties: kt0, R

Returns: Elastic material

References create(), and constitutive::MaterialBase< T >::props.

Referenced by elastic().

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◆ elastic() [2/2]

template<typename T>

std::unordered_map< std::string, T > micromechanical::core::Material< T >::elastic ( T * props )

inlinestatic

Create an elastic material.

Parameters

props Material properties: kt0, R

Returns: Elastic material

References elastic(), and constitutive::MaterialBase< T >::props.

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◆ emax()

template<typename T>

T micromechanical::core::Material< T >::emax ( ) const

inline

maximum void ratio

References constitutive::MaterialBase< T >::at().

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◆ emax_()

template<typename T>

T micromechanical::core::Material< T >::emax_ ( const int idx )

inline

maximum void ratio

References get_().

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◆ emin()

template<typename T>

T micromechanical::core::Material< T >::emin ( ) const

inline

minimum void ratio

References constitutive::MaterialBase< T >::at().

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◆ emin_()

template<typename T>

T micromechanical::core::Material< T >::emin_ ( const int idx )

inline

minimum void ratio

References get_().

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◆ eref()

template<typename T>

T micromechanical::core::Material< T >::eref ( ) const

inline

reference void ratio

References constitutive::MaterialBase< T >::at().

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◆ eref0()

template<typename T>

T micromechanical::core::Material< T >::eref0 ( ) const

inline

initial reference void ratio

References constitutive::MaterialBase< T >::at().

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◆ eref0_()

template<typename T>

T micromechanical::core::Material< T >::eref0_ ( const int idx )

inline

initial reference void ratio

References get_().

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◆ eref_()

template<typename T>

T micromechanical::core::Material< T >::eref_ ( const int idx )

inline

reference void ratio

References get_().

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◆ erefu()

template<typename T>

T micromechanical::core::Material< T >::erefu ( ) const

inline

ultimate reference void ratio

References constitutive::MaterialBase< T >::at().

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◆ erefu_()

template<typename T>

T micromechanical::core::Material< T >::erefu_ ( const int idx )

inline

ultimate reference void ratio

References get_().

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◆ exponential() [1/2]

template<typename T>

std::unordered_map< std::string, T > micromechanical::core::Material< T >::exponential ( const std::vector< T > & props )

inlinestatic

Create an exponential material.

Parameters

props Material properties: kt0, R, phi, e0, Lambda, xi, np, nd, eref0, erefu, b, rho, nw, Ad

Returns: Exponential material

References create(), and constitutive::MaterialBase< T >::props.

Referenced by exponential().

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◆ exponential() [2/2]

template<typename T>

std::unordered_map< std::string, T > micromechanical::core::Material< T >::exponential ( T * props )

inlinestatic

Create an exponential material.

Parameters

props Material properties: kt0, R, phi, e0, Lambda, xi, np, nd, eref0, erefu, b, rho, nw, Ad

Returns: Exponential material

References exponential(), and constitutive::MaterialBase< T >::props.

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◆ fb0()

template<typename T>

T micromechanical::core::Material< T >::fb0 ( ) const

inline

initial adhesive force

References constitutive::MaterialBase< T >::at().

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◆ fb0_()

template<typename T>

T micromechanical::core::Material< T >::fb0_ ( const int idx )

inline

initial adhesive force

References get_().

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◆ fc0()

template<typename T>

T micromechanical::core::Material< T >::fc0 ( ) const

inline

initial size of the yield surface

References constitutive::MaterialBase< T >::at().

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◆ fc0_()

template<typename T>

T micromechanical::core::Material< T >::fc0_ ( const int idx )

inline

initial size of the yield surface

References get_().

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◆ fnr_()

template<typename T>

T micromechanical::core::Material< T >::fnr_ ( const int idx )

inline

mean effective stress when log(e) = 1 in the LCC line (log(e)-log(p) space)

References get_().

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◆ fref()

template<typename T>

T micromechanical::core::Material< T >::fref ( ) const

inline

reference force

References constitutive::MaterialBase< T >::at().

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◆ fref_()

template<typename T>

T micromechanical::core::Material< T >::fref_ ( const int idx )

inline

reference force

References get_().

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◆ get_()

template<typename T>

T micromechanical::core::Material< T >::get_	(	const std::string &	key,
		const int	idx,
		const T	default_ = 0.0 )

inline

Get a parameter value with anisotropic factor.

Parameters

key	Property name
idx	The index of the integration point
default_	Default value

Returns: Property value

References anisotropicFactor(), and constitutive::MaterialBase< T >::get().

Referenced by Ad_(), b_(), c_(), ch_(), chi0_(), cohesion_(), e0_(), ec0_(), emax_(), emin_(), eref0_(), eref_(), erefu_(), fb0_(), fc0_(), fnr_(), fref_(), h0_(), hp_(), kappa_(), kn0_(), kp_(), kpr_(), krr_(), kt0_(), Lambda_(), m_(), n_(), nd_(), ne_(), ng_(), np_(), nw_(), pref_(), R_(), rho_(), rhoc_(), theta_(), V_(), vf_(), vi_(), X_(), xi_(), xib_(), and xic_().

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◆ h0()

template<typename T>

T micromechanical::core::Material< T >::h0 ( ) const

inline

a parameter controlling the hardening of the back stress ratio

References constitutive::MaterialBase< T >::at().

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◆ h0_()

template<typename T>

T micromechanical::core::Material< T >::h0_ ( const int idx )

inline

a parameter controlling the hardening of the back stress ratio

References get_().

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◆ hp()

template<typename T>

T micromechanical::core::Material< T >::hp ( ) const

inline

a parameter relating to plastic modulus of bounding surface effect

References constitutive::MaterialBase< T >::at().

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◆ hp_()

template<typename T>

T micromechanical::core::Material< T >::hp_ ( const int idx )

inline

a parameter relating to plastic modulus of bounding surface effect

References get_().

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◆ hyperbolic() [1/2]

template<typename T>

std::unordered_map< std::string, T > micromechanical::core::Material< T >::hyperbolic ( const std::vector< T > & props )

inlinestatic

Create a hyperbolic material.

Parameters

props Material properties: kt0, R, phi, e0, Lambda, xi, np, nd, eref0, erefu, b, rho, nw, Ad

Returns: Hyperbolic material

References create(), and constitutive::MaterialBase< T >::props.

Referenced by hyperbolic().

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◆ hyperbolic() [2/2]

template<typename T>

std::unordered_map< std::string, T > micromechanical::core::Material< T >::hyperbolic ( T * props )

inlinestatic

Create a hyperbolic material.

Parameters

props Material properties: kt0, R, phi, e0, Lambda, xi, np, nd, eref0, erefu, b, rho, nw, Ad

Returns: Hyperbolic material

References hyperbolic(), and constitutive::MaterialBase< T >::props.

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◆ hypoplastic() [1/2]

template<typename T>

std::unordered_map< std::string, T > micromechanical::core::Material< T >::hypoplastic ( const std::vector< T > & props )

inlinestatic

Create a hypoplastic material.

Parameters

props Material properties: kt0, ng, phi, e0, Lambda, xi, np, nd, eref0, erefu, b, rho, nw, vi

Returns: Hypoplastic material

References create(), and constitutive::MaterialBase< T >::props.

Referenced by hypoplastic().

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◆ hypoplastic() [2/2]

template<typename T>

std::unordered_map< std::string, T > micromechanical::core::Material< T >::hypoplastic ( T * props )

inlinestatic

Create a hypoplastic material.

Parameters

props Material properties: kt0, ng, phi, e0, Lambda, xi, np, nd, eref0, erefu, b, rho, nw, vi

Returns: Hypoplastic material

References hypoplastic(), and constitutive::MaterialBase< T >::props.

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◆ initialize()

template<typename T>

void micromechanical::core::Material< T >::initialize ( StateVariable< T > & sv )

inlineoverridevirtual

Initialize the material.

Parameters

sv	State variable

Reimplemented from constitutive::MaterialBase< T >.

References constitutive::StateVariable< T >::contact_min_normal_force, and constitutive::MaterialBase< T >::get().

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◆ kappa()

template<typename T>

T micromechanical::core::Material< T >::kappa ( ) const

inline

slope of swelling line

References constitutive::MaterialBase< T >::at().

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◆ kappa_()

template<typename T>

T micromechanical::core::Material< T >::kappa_ ( const int idx )

inline

slope of swelling line

References get_().

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◆ kn0()

template<typename T>

T micromechanical::core::Material< T >::kn0 ( ) const

inline

reference normal stiffness

References constitutive::MaterialBase< T >::at().

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◆ kn0_()

template<typename T>

T micromechanical::core::Material< T >::kn0_ ( const int idx )

inline

reference normal stiffness

References get_().

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◆ kp()

template<typename T>

T micromechanical::core::Material< T >::kp ( ) const

inline

a parameter controlling the yield surface of SIMSAND model

References constitutive::MaterialBase< T >::at().

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◆ kp_()

template<typename T>

T micromechanical::core::Material< T >::kp_ ( const int idx )

inline

a parameter controlling the yield surface of SIMSAND model

References get_().

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◆ kpr()

template<typename T>

T micromechanical::core::Material< T >::kpr ( ) const

inline

a parameter controlling the yield surface of SIMSAND model

References constitutive::MaterialBase< T >::at().

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◆ kpr_()

template<typename T>

T micromechanical::core::Material< T >::kpr_ ( const int idx )

inline

a parameter controlling the yield surface of SIMSAND model

References get_().

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◆ krr()

template<typename T>

T micromechanical::core::Material< T >::krr ( ) const

inline

ratio of tangential to normal stiffness

References constitutive::MaterialBase< T >::at().

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◆ krr_()

template<typename T>

T micromechanical::core::Material< T >::krr_ ( const int idx )

inline

ratio of tangential to normal stiffness

References get_().

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◆ kt0()

template<typename T>

T micromechanical::core::Material< T >::kt0 ( ) const

inline

reference tangential stiffness

References constitutive::MaterialBase< T >::at().

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◆ kt0_()

template<typename T>

T micromechanical::core::Material< T >::kt0_ ( const int idx )

inline

reference tangential stiffness

References get_().

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◆ Lambda()

template<typename T>

T micromechanical::core::Material< T >::Lambda ( ) const

inline

slope of critical state line

References constitutive::MaterialBase< T >::at().

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◆ Lambda_()

template<typename T>

T micromechanical::core::Material< T >::Lambda_ ( const int idx )

inline

slope of critical state line

References get_().

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◆ m()

template<typename T>

T micromechanical::core::Material< T >::m ( ) const

inline

a parameter controlling the shape of yield surface

References constitutive::MaterialBase< T >::at().

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◆ m_()

template<typename T>

T micromechanical::core::Material< T >::m_ ( const int idx )

inline

a parameter controlling the shape of yield surface

References get_().

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◆ Mc_()

template<typename T>

T micromechanical::core::Material< T >::Mc_	(	const int	idx,
		T	ba = 0.0,
		T	Ra = 1.0,
		T	weight_mises = 0.0,
		T	weight_tresca = 0.0,
		T	weight_mohr_coulomb = 1.0,
		T	weight_smp = 0.0 )

inline

Get the critical state slope for compression.

References phi_(), and PI.

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◆ mcc() [1/2]

template<typename T>

std::unordered_map< std::string, T > micromechanical::core::Material< T >::mcc ( const std::vector< T > & props )

inlinestatic

Create a mcc material.

Parameters

props Material properties

Returns: mcc material

References create(), and constitutive::MaterialBase< T >::props.

Referenced by mcc().

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◆ mcc() [2/2]

template<typename T>

std::unordered_map< std::string, T > micromechanical::core::Material< T >::mcc ( T * props )

inlinestatic

Create a mcc material.

Parameters

props Material properties

Returns: mcc material

References mcc(), and constitutive::MaterialBase< T >::props.

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◆ Me_()

template<typename T>

T micromechanical::core::Material< T >::Me_	(	const int	idx,
		T	ba = 0.0,
		T	Ra = 1.0,
		T	weight_mises = 0.0,
		T	weight_tresca = 0.0,
		T	weight_mohr_coulomb = 1.0,
		T	weight_smp = 0.0 )

inline

Get the critical state slope for extension.

References phi_(), and PI.

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◆ mu_()

template<typename T>

T micromechanical::core::Material< T >::mu_	(	const int	idx,
		T	ba = 0.0,
		T	Ra = 1.0,
		T	weight_mises = 0.0,
		T	weight_tresca = 0.0,
		T	weight_mohr_coulomb = 1.0,
		T	weight_smp = 0.0 )

inline

friction coefficient

References phi_(), and PI.

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◆ n()

template<typename T>

T micromechanical::core::Material< T >::n ( ) const

inline

a parameter controlling the shape of yield surface

References constitutive::MaterialBase< T >::at().

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◆ n_()

template<typename T>

T micromechanical::core::Material< T >::n_ ( const int idx )

inline

a parameter controlling the shape of yield surface

References get_().

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◆ nd()

template<typename T>

T micromechanical::core::Material< T >::nd ( ) const

inline

a parameter controlling the dilation

References constitutive::MaterialBase< T >::at().

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◆ nd_()

template<typename T>

T micromechanical::core::Material< T >::nd_ ( const int idx )

inline

a parameter controlling the dilation

References get_().

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◆ ne()

template<typename T>

T micromechanical::core::Material< T >::ne ( ) const

inline

exponent in the equation of normal stiffness

References constitutive::MaterialBase< T >::at().

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◆ ne_()

template<typename T>

T micromechanical::core::Material< T >::ne_ ( const int idx )

inline

exponent in the equation of normal stiffness

References get_().

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◆ ng()

template<typename T>

T micromechanical::core::Material< T >::ng ( ) const

inline

exponent in the equation of tangential stiffness

References constitutive::MaterialBase< T >::at().

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◆ ng_()

template<typename T>

T micromechanical::core::Material< T >::ng_ ( const int idx )

inline

exponent in the equation of tangential stiffness

References get_().

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◆ np()

template<typename T>

T micromechanical::core::Material< T >::np ( ) const

inline

a parameter controlling the dilation

References constitutive::MaterialBase< T >::at().

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◆ np_()

template<typename T>

T micromechanical::core::Material< T >::np_ ( const int idx )

inline

a parameter controlling the dilation

References get_().

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◆ nw()

template<typename T>

T micromechanical::core::Material< T >::nw ( ) const

inline

a parameter controlling the particle breakage

References constitutive::MaterialBase< T >::at().

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◆ nw_()

template<typename T>

T micromechanical::core::Material< T >::nw_ ( const int idx )

inline

a parameter controlling the particle breakage

References get_().

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◆ osimsand() [1/2]

template<typename T>

std::unordered_map< std::string, T > micromechanical::core::Material< T >::osimsand ( const std::vector< T > & props )

inlinestatic

Create a osimsand material.

Parameters

props Material properties

Returns: mcc material

References create(), and constitutive::MaterialBase< T >::props.

Referenced by osimsand().

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◆ osimsand() [2/2]

template<typename T>

std::unordered_map< std::string, T > micromechanical::core::Material< T >::osimsand ( T * props )

inlinestatic

Create a osimsand material.

Parameters

props Material properties

Returns: mcc material

References osimsand(), and constitutive::MaterialBase< T >::props.

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◆ phi()

template<typename T>

T micromechanical::core::Material< T >::phi ( ) const

inline

friction angle

References constitutive::MaterialBase< T >::at().

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◆ phi_()

template<typename T>

T micromechanical::core::Material< T >::phi_	(	const int	idx,
		T	ba = 0.0,
		T	Ra = 1.0,
		T	weight_mises = 0.0,
		T	weight_tresca = 0.0,
		T	weight_mohr_coulomb = 1.0,
		T	weight_smp = 0.0 )

inline

friction angle

References anisotropicFactor(), and constitutive::MaterialBase< T >::phi_combined().

Referenced by Mc_(), Me_(), and mu_().

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◆ pr()

template<typename T>

T micromechanical::core::Material< T >::pr ( ) const

inline

mean effective stress when log(e) = 1 in the LCC line (log(e)-log(p) space)

References constitutive::MaterialBase< T >::at().

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◆ pref()

template<typename T>

T micromechanical::core::Material< T >::pref ( ) const

inline

reference pressure

References constitutive::MaterialBase< T >::at().

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◆ pref_()

template<typename T>

T micromechanical::core::Material< T >::pref_ ( const int idx )

inline

reference pressure

References get_().

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◆ R()

template<typename T>

T micromechanical::core::Material< T >::R ( ) const

inline

ratio of normal to tangential stiffness

References constitutive::MaterialBase< T >::at().

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◆ R_()

template<typename T>

T micromechanical::core::Material< T >::R_ ( const int idx )

inline

ratio of normal to tangential stiffness

References get_().

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◆ rho()

template<typename T>

T micromechanical::core::Material< T >::rho ( ) const

inline

a parameter controlling the rate of particle breakage

References constitutive::MaterialBase< T >::at().

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◆ rho_()

template<typename T>

T micromechanical::core::Material< T >::rho_ ( const int idx )

inline

a parameter controlling the rate of particle breakage

References get_().

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◆ rhoc()

template<typename T>

T micromechanical::core::Material< T >::rhoc ( ) const

inline

slope of the LCC line in the log(e) - log(p) space

References constitutive::MaterialBase< T >::at().

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◆ rhoc_()

template<typename T>

T micromechanical::core::Material< T >::rhoc_ ( const int idx )

inline

slope of the LCC line in the log(e) - log(p) space

References get_().

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◆ sanisand() [1/2]

template<typename T>

std::unordered_map< std::string, T > micromechanical::core::Material< T >::sanisand ( const std::vector< T > & props )

inlinestatic

Create a sanisand material.

Parameters

props Material properties

Returns: mcc material

References create(), and constitutive::MaterialBase< T >::props.

Referenced by sanisand().

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◆ sanisand() [2/2]

template<typename T>

std::unordered_map< std::string, T > micromechanical::core::Material< T >::sanisand ( T * props )

inlinestatic

Create a sanisand material.

Parameters

props Material properties

Returns: mcc material

References constitutive::MaterialBase< T >::props, and sanisand().

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◆ setAnisotropicParameters()

template<typename T>

void micromechanical::core::Material< T >::setAnisotropicParameters	(	const std::string &	key,
		const std::string &	type = "chang1990-ext",
		const std::string &	evolution = "li2012",
		const std::unordered_map< std::string, T > &	coefs = {} )

inline

Set anisotropic parameters.

Parameters

key	The key of the anisotropic parameter
type	fabric tensor type
evolution	evolution type
coefs	fabric tensor coefficients

◆ simsand() [1/2]

template<typename T>

std::unordered_map< std::string, T > micromechanical::core::Material< T >::simsand ( const std::vector< T > & props )

inlinestatic

Create a simsand material.

Parameters

props Material properties

Returns: mcc material

References create(), and constitutive::MaterialBase< T >::props.

Referenced by simsand().

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◆ simsand() [2/2]

template<typename T>

std::unordered_map< std::string, T > micromechanical::core::Material< T >::simsand ( T * props )

inlinestatic

Create a simsand material.

Parameters

props Material properties

Returns: mcc material

References constitutive::MaterialBase< T >::props, and simsand().

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◆ theta()

template<typename T>

T micromechanical::core::Material< T >::theta ( ) const

inline

a constant exponent in the hardening behavior of p0

References constitutive::MaterialBase< T >::at().

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◆ theta_()

template<typename T>

T micromechanical::core::Material< T >::theta_ ( const int idx )

inline

a constant exponent in the hardening behavior of p0

References get_().

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◆ V()

template<typename T>

T micromechanical::core::Material< T >::V ( ) const

inline

a large model parameter

References constitutive::MaterialBase< T >::at().

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◆ V_()

template<typename T>

T micromechanical::core::Material< T >::V_ ( const int idx )

inline

a large model parameter

References get_().

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◆ vf()

template<typename T>

T micromechanical::core::Material< T >::vf ( ) const

inline

final slope of normal displacement versus tangential displacement curve

References constitutive::MaterialBase< T >::at().

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◆ vf_()

template<typename T>

T micromechanical::core::Material< T >::vf_ ( const int idx )

inline

final slope of normal displacement versus tangential displacement curve

References get_().

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◆ vi()

template<typename T>

T micromechanical::core::Material< T >::vi ( ) const

inline

initial slope of normal displacement versus tangential displacement curve

References constitutive::MaterialBase< T >::at().

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◆ vi_()

template<typename T>

T micromechanical::core::Material< T >::vi_ ( const int idx )

inline

initial slope of normal displacement versus tangential displacement curve

References get_().

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◆ X()

template<typename T>

T micromechanical::core::Material< T >::X ( ) const

inline

a positive model parameter

References constitutive::MaterialBase< T >::at().

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◆ X_()

template<typename T>

T micromechanical::core::Material< T >::X_ ( const int idx )

inline

a positive model parameter

References get_().

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◆ xi()

template<typename T>

T micromechanical::core::Material< T >::xi ( ) const

inline

a parameter controlling the shape of critical state line

References constitutive::MaterialBase< T >::at().

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◆ xi_()

template<typename T>

T micromechanical::core::Material< T >::xi_ ( const int idx )

inline

a parameter controlling the shape of critical state line

References get_().

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◆ xib()

template<typename T>

T micromechanical::core::Material< T >::xib ( ) const

inline

a parameter controlling the hardening of the adhesive force

References constitutive::MaterialBase< T >::at().

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◆ xib_()

template<typename T>

T micromechanical::core::Material< T >::xib_ ( const int idx )

inline

a parameter controlling the hardening of the adhesive force

References get_().

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◆ xic()

template<typename T>

T micromechanical::core::Material< T >::xic ( ) const

inline

a parameter controlling the hardening of the size of the yield surface

References constitutive::MaterialBase< T >::at().

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◆ xic_()

template<typename T>

T micromechanical::core::Material< T >::xic_ ( const int idx )

inline

a parameter controlling the hardening of the size of the yield surface

References get_().

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Member Data Documentation

◆ fabrics

template<typename T>

std::unordered_map<std::string, std::shared_ptr<FabricTensor<T> > > micromechanical::core::Material< T >::fabrics = {}

Fabric tensors.

◆ integration

template<typename T>

std::shared_ptr<Integration<T> > micromechanical::core::Material< T >::integration = std::shared_ptr<Integration<T>>(nullptr)

Integration.

The documentation for this struct was generated from the following file:

include/micromechanical/core/material.hpp

Public Member Functions

Static Public Member Functions

Public Attributes

Detailed Description

Constructor & Destructor Documentation

◆ Material()

Member Function Documentation

◆ Ad()

◆ Ad_()

◆ anisotropicFactor()

◆ b()

◆ b_()

◆ c()

◆ c_()

◆ ch()

◆ ch_()

◆ chi0()

◆ chi0_()

◆ cohesion()

◆ cohesion_()

◆ coulomb() [1/2]

◆ coulomb() [2/2]

◆ create()

◆ e0()

◆ e0_()

◆ ec0()

◆ ec0_()

◆ elastic() [1/2]

◆ elastic() [2/2]

◆ emax()

◆ emax_()

◆ emin()

◆ emin_()

◆ eref()

◆ eref0()

◆ eref0_()

◆ eref_()

◆ erefu()

◆ erefu_()

◆ exponential() [1/2]

◆ exponential() [2/2]

◆ fb0()

◆ fb0_()

◆ fc0()

◆ fc0_()

◆ fnr_()

◆ fref()

◆ fref_()

◆ get_()

◆ h0()

◆ h0_()

◆ hp()

◆ hp_()

◆ hyperbolic() [1/2]

◆ hyperbolic() [2/2]

◆ hypoplastic() [1/2]

◆ hypoplastic() [2/2]

◆ initialize()

◆ kappa()

◆ kappa_()

◆ kn0()

◆ kn0_()

◆ kp()

◆ kp_()

◆ kpr()

◆ kpr_()

◆ krr()

◆ krr_()

◆ kt0()

◆ kt0_()

◆ Lambda()

◆ Lambda_()

◆ m()

◆ m_()

◆ Mc_()

◆ mcc() [1/2]

◆ mcc() [2/2]

◆ Me_()

◆ mu_()

◆ n()