Solver module for steady or transient segregated finite-volume solution of linear-elastic, small-strain deformation of a solid body, with optional thermal diffusion and thermal stresses. More...

Inheritance diagram for solidDisplacement:

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Collaboration diagram for solidDisplacement:

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Public Member Functions
	TypeName ("solidDisplacement")
	Runtime type information. More...

	solidDisplacement (fvMesh &mesh)
	Construct from region mesh. More...

	solidDisplacement (const solidDisplacement &)=delete
	Disallow default bitwise copy construction. More...

virtual	~solidDisplacement ()
	Destructor. More...

virtual void	prePredictor ()
	Called at the beginning of the PIMPLE loop. More...

virtual void	thermophysicalPredictor ()
	Construct and solve the energy equation,. More...

virtual void	pressureCorrector ()
	Construct and solve the displacement equation to obtain the stress. More...

virtual void	postCorrector ()
	Correct the thermophysical transport modelling. More...

virtual void	postSolve ()
	Called after the PIMPLE loop at the end of the time-step. More...

void	operator= (const solidDisplacement &)=delete
	Disallow default bitwise assignment. More...

Public Member Functions inherited from solid
	TypeName ("solid")
	Runtime type information. More...

	solid (fvMesh &mesh, autoPtr< solidThermo >)
	Construct from region mesh and thermophysical properties. More...

	solid (fvMesh &mesh)
	Construct from region mesh. More...

	solid (const solid &)=delete
	Disallow default bitwise copy construction. More...

virtual	~solid ()
	Destructor. More...

virtual scalar	maxDeltaT () const
	Return the current maximum time-step for stable solution. More...

virtual void	preSolve ()
	Called at the start of the time-step, before the PIMPLE loop. More...

virtual void	moveMesh ()
	Called at the start of the PIMPLE loop to move the mesh. More...

virtual void	motionCorrector ()
	Corrections that follow mesh motion. More...

virtual void	momentumPredictor ()
	Construct and optionally solve the momentum equation. More...

void	operator= (const solid &)=delete
	Disallow default bitwise assignment. More...

Public Member Functions inherited from solver
	TypeName ("solver")
	Runtime type information. More...

	declareRunTimeSelectionTable (autoPtr, solver, fvMesh,(fvMesh &mesh),(mesh))

	solver (fvMesh &mesh)
	Construct from region mesh. More...

	solver (const solver &)=delete
	Disallow default bitwise copy construction. More...

virtual	~solver ()
	Destructor. More...

bool	transient () const

Foam::fvModels &	fvModels () const
	Return the fvModels that are created on demand. More...

Foam::fvConstraints &	fvConstraints () const
	Return the fvConstraints that are created on demand. More...

void	operator= (const solver &)=delete
	Disallow default bitwise assignment. More...

Public Member Functions inherited from regIOobject
	TypeName ("regIOobject")
	Runtime type information. More...

	regIOobject (const IOobject &, const bool isTime=false)
	Construct from IOobject. Optional flag for if IOobject is the. More...

	regIOobject (const regIOobject &)
	Copy constructor. More...

	regIOobject (const regIOobject &&)
	Move constructor. More...

	regIOobject (const regIOobject &, bool registerCopy)
	Copy constructor, transferring registry registration to copy. More...

	regIOobject (const word &newName, const regIOobject &, bool registerCopy)
	Copy constructor with new name, transferring registry registration. More...

	regIOobject (const IOobject &, const regIOobject &)
	Copy constructor with new IO parameters. More...

virtual	~regIOobject ()
	Destructor. More...

virtual bool	global () const
	Return true if object is global, i.e. same for all processors. More...

virtual bool	globalFile () const
	Return true if object is global, i.e. same for all processors. More...

const fileName &	caseName () const

fileName	path () const
	Return complete path. More...

fileName	objectPath () const
	Return complete path + object name. More...

fileName	filePath () const
	Return complete path + object name if the file exists. More...

bool	checkIn ()
	Add object to registry. More...

bool	checkOut ()
	Remove object from registry. More...

void	addWatch ()
	Add file watch on object (if registered and READ_IF_MODIFIED) More...

bool	registered () const
	Is this object registered with the registry? More...

bool	ownedByRegistry () const
	Is this object owned by the registry? More...

void	store ()
	Transfer ownership of this object to its registry. More...

void	release ()
	Release ownership of this object from its registry. More...

label	eventNo () const
	Event number at last update. More...

label &	eventNo ()
	Event number at last update. More...

bool	upToDate (const regIOobject &) const
	Return true if up-to-date with respect to given object. More...

bool	upToDate (const regIOobject &, const regIOobject &) const
	Return true if up-to-date with respect to given objects. More...

bool	upToDate (const regIOobject &, const regIOobject &, const regIOobject &) const
	Return true if up-to-date with respect to given objects. More...

bool	upToDate (const regIOobject &, const regIOobject &, const regIOobject &, const regIOobject &) const
	Return true if up-to-date with respect to given objects. More...

void	setUpToDate ()
	Set up to date (obviously) More...

virtual void	rename (const word &newName)
	Rename. More...

bool	headerOk ()
	Read and check header info. More...

Istream &	readStream (const word &, const bool read=true)
	Return Istream and check object type against that given. More...

void	close ()
	Close Istream. More...

virtual bool	readData (Istream &)
	Virtual readData function. More...

const labelList &	watchIndices () const
	Return file-monitoring handles. More...

labelList &	watchIndices ()
	Return file-monitoring handles. More...

virtual bool	modified () const
	Return true if the object's file (or files for objectRegistry) More...

virtual bool	readIfModified ()
	Read object if modified (as set by call to modified) More...

virtual bool	writeObject (IOstream::streamFormat, IOstream::versionNumber, IOstream::compressionType, const bool write) const
	Write using given format, version and compression. More...

virtual bool	write (const bool write=true) const
	Write using setting from DB. More...

void	operator= (const IOobject &)
	Assign to IOobject. More...

void	operator= (const regIOobject &)=delete
	Disallow default assignment. More...

const fileName &	caseName (const bool global) const

fileName	path (const bool global) const
	Return complete path including the processor sub-directory. More...

fileName	objectPath (const bool global) const
	Return complete path + object name including the processor. More...

fileName	filePath (const word &typeName, const bool global) const
	Return complete path + object name if the file exists. More...

Public Member Functions inherited from IOobject
	TypeName ("IOobject")
	Runtime type information. More...

	IOobject (const word &name, const fileName &instance, const objectRegistry &registry, readOption r=NO_READ, writeOption w=NO_WRITE, bool registerObject=true)
	Construct from name, instance, registry, io options. More...

	IOobject (const word &name, const fileName &instance, const fileName &local, const objectRegistry &registry, readOption r=NO_READ, writeOption w=NO_WRITE, bool registerObject=true)
	Construct from name, instance, local, registry, io options. More...

	IOobject (const fileName &path, const objectRegistry &registry, readOption r=NO_READ, writeOption w=NO_WRITE, bool registerObject=true)
	Construct from path, registry, io options. More...

	IOobject (const IOobject &io, const objectRegistry &registry)
	Construct from copy resetting registry. More...

	IOobject (const IOobject &io, const word &name)
	Construct from copy resetting name. More...

	IOobject (const IOobject &io)=default
	Copy constructor. More...

autoPtr< IOobject >	clone () const
	Clone. More...

autoPtr< IOobject >	clone (const objectRegistry &registry) const
	Clone resetting registry. More...

virtual	~IOobject ()
	Destructor. More...

const Time &	time () const
	Return time. More...

const objectRegistry &	db () const
	Return the local objectRegistry. More...

const word &	name () const
	Return name. More...

const word &	headerClassName () const
	Return name of the class name read from header. More...

word &	headerClassName ()
	Return name of the class name read from header. More...

string &	note ()
	Return non-constant access to the optional note. More...

const string &	note () const
	Return the optional note. More...

bool &	registerObject ()
	Register object created from this IOobject with registry if true. More...

bool	registerObject () const
	Register object created from this IOobject with registry if true. More...

readOption	readOpt () const

readOption &	readOpt ()

writeOption	writeOpt () const

writeOption &	writeOpt ()

word	group () const
	Return group (extension part of name) More...

word	member () const
	Return member (name without the extension) More...

const fileName &	rootPath () const

const fileName &	caseName (const bool global) const

fileName &	instance () const
	Return the instance directory, constant, system, <time> etc. More...

void	updateInstance () const
	If the instance is a time directory update to the current time. More...

const fileName &	local () const

fileName	path (const bool global) const
	Return complete path including the processor sub-directory. More...

fileName	objectPath (const bool global) const
	Return complete path + object name including the processor. More...

fileName	relativePath () const
	Return the path relative to the case directory. More...

fileName	relativeObjectPath () const
	Return complete relativePath + object name. More...

fileName	filePath (const word &typeName, const bool global) const
	Return complete path + object name if the file exists. More...

bool	readHeader (Istream &)
	Read header. More...

bool	headerOk ()
	Read header of local object without type-checking. More...

template<class Type >
void	warnNoRereading () const
	Helper: warn that type does not support re-reading. More...

bool	writeHeader (Ostream &) const
	Write header. More...

bool	writeHeader (Ostream &, const word &objectType) const
	Write header. Allow override of type. More...

bool	good () const

bool	bad () const

InfoProxy< IOobject >	info () const
	Return info proxy. More...

void	operator= (const IOobject &)

template<class Name >
Foam::word	groupName (Name name, const word &group)

Public Attributes
const solidDisplacementThermo &	thermo
	Reference to the solid thermophysical properties. More...

const volVectorField &	D
	Reference to the Displacement field. More...

Public Attributes inherited from solid
const solidThermo &	thermo
	Reference to the solid thermophysical properties. More...

const volScalarField &	T
	Reference to the temperature field. More...

Public Attributes inherited from solver
const fvMesh &	mesh
	Region mesh. More...

const Time &	runTime
	Time. More...

pimpleNoLoopControl	pimple
	PIMPLE inner-loop controls. More...

Protected Member Functions
virtual bool	dependenciesModified () const
	Return true if the solver's dependencies have been modified. More...

virtual bool	read ()
	Read controls. More...

Protected Member Functions inherited from regIOobject
bool	readHeaderOk (const IOstream::streamFormat defaultFormat, const word &typeName)
	Read header, check readOpt flags and read data if necessary. More...

Protected Member Functions inherited from IOobject
void	setBad (const string &)
	Set the object state to bad. More...

template<class Type >
bool	typeHeaderOk (const bool checkType)
	Read header using typeGlobalFile to find file. More...

Protected Attributes
solidDisplacementThermo &	thermo_

Switch	compactNormalStress
	Switch for normal stress discretisation (required) More...

int	nCorr
	Maximum number of displacement/stress correctors per time-step. More...

scalar	convergenceTolerance
	Convergence tolerance for the displacement/stress correctors. More...

scalar	accFac
	Acceleration factor for faster steady-state simulations. More...

volVectorField	D_
	Displacement field. More...

const volScalarField &	E
	Young's modulus. More...

const volScalarField &	nu
	Poisson's ratio. More...

const volScalarField	mu
	Lame's coefficient. More...

const volScalarField	lambda
	Lame's coefficient. More...

const volScalarField	threeK

const volScalarField	threeKalpha

volSymmTensorField	sigmaD
	Stress field. More...

volVectorField	divSigmaExp
	Divergence of the explicit part of the stress. More...

Protected Attributes inherited from solid
scalar	maxDi

scalar	maxDeltaT_

autoPtr< solidThermo >	thermoPtr_

solidThermo &	thermo_

volScalarField &	T_

autoPtr< solidThermophysicalTransportModel >	thermophysicalTransport
	Pointer to the solid thermophysical transport model. More...

scalar	DiNum

Protected Attributes inherited from solver
fvMesh &	mesh_
	Region mesh. More...

bool	steady
	Switch for steady-state. More...

bool	LTS
	Switch for local time step transient operation. More...

Additional Inherited Members
Public Types inherited from IOobject
enum	objectState { GOOD , BAD }
	Enumeration defining the valid states of an IOobject. More...

enum	readOption { MUST_READ , MUST_READ_IF_MODIFIED , READ_IF_PRESENT , NO_READ }
	Enumeration defining the read options. More...

enum	writeOption { AUTO_WRITE = 0 , NO_WRITE = 1 }
	Enumeration defining the write options. More...

enum	fileCheckTypes { timeStamp , timeStampMaster , inotify , inotifyMaster }
	Enumeration defining the file checking options. More...

Static Public Member Functions inherited from solver
static autoPtr< solver >	New (const word &solverName, fvMesh &mesh)
	Select, construct and return the solver. More...

static void	load (const word &solverName)
	Load the specified solver library. More...

Static Public Member Functions inherited from regIOobject
template<class Type >
static Type &	store (Type *)
	Transfer ownership of the given object pointer to its registry. More...

template<class Type >
static Type &	store (autoPtr< Type > &)
	Transfer ownership of the given object pointer to its registry. More...

Static Public Member Functions inherited from IOobject
static bool	fileNameComponents (const fileName &path, fileName &instance, fileName &local, word &name)
	Split path into instance, local, name components. More...

template<class Name >
static word	groupName (Name name, const word &group)

static word	group (const word &name)
	Return group (extension part of name) More...

static word	member (const word &name)
	Return member (name without the extension) More...

template<class Stream >
static Stream &	writeBanner (Stream &os, bool noHint=false)
	Write the standard OpenFOAM file/dictionary banner. More...

template<class Stream >
static Stream &	writeDivider (Stream &os)
	Write the standard file section divider. More...

template<class Stream >
static Stream &	writeEndDivider (Stream &os)
	Write the standard end file divider. More...

Static Public Attributes inherited from solver
static scalar	deltaTFactor = 1.2
	deltaT increase factor More...

Static Public Attributes inherited from regIOobject
static float	fileModificationSkew

Static Public Attributes inherited from IOobject
static constexpr const char *	foamFile = "FoamFile"
	Keyword for the FoamFile header sub-dictionary. More...

static const NamedEnum< fileCheckTypes, 4 >	fileCheckTypesNames

static fileCheckTypes	fileModificationChecking
	Type of file modification checking. More...

Detailed Description

Solver module for steady or transient segregated finite-volume solution of linear-elastic, small-strain deformation of a solid body, with optional thermal diffusion and thermal stresses.

Solves for the displacement vector field D, also generating the stress tensor field sigma, including the thermal stress contribution if selected.

Source files

Definition at line 56 of file solidDisplacement.H.

Constructor & Destructor Documentation

◆ solidDisplacement() [1/2]

solidDisplacement ( fvMesh & mesh )

Construct from region mesh.

Definition at line 69 of file solidDisplacement.C.

References solidDisplacement::D, solver::mesh, IOobject::name(), solidDisplacement::read(), fvMesh::schemes(), and fvSchemes::setFluxRequired().

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◆ solidDisplacement() [2/2]

solidDisplacement ( const solidDisplacement & )

delete

Disallow default bitwise copy construction.

◆ ~solidDisplacement()

~solidDisplacement ( )

virtual

Destructor.

Definition at line 154 of file solidDisplacement.C.

Member Function Documentation

◆ dependenciesModified()

bool dependenciesModified ( ) const

protectedvirtual

Return true if the solver's dependencies have been modified.

Reimplemented from solid.

Definition at line 48 of file solidDisplacement.C.

References solid::dependenciesModified(), solver::mesh, regIOobject::modified(), and fvMesh::solution().

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◆ read()

bool read ( )

protectedvirtual

Read controls.

Reimplemented from solid.

Definition at line 54 of file solidDisplacement.C.

References pimple(), and solid::read().

Referenced by solidDisplacement::solidDisplacement().

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◆ TypeName()

TypeName ( "solidDisplacement" )

Runtime type information.

◆ prePredictor()

void prePredictor ( )

virtual

Called at the beginning of the PIMPLE loop.

Reimplemented from solid.

Definition at line 160 of file solidDisplacement.C.

References solid::prePredictor(), and thermo.

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◆ thermophysicalPredictor()

void thermophysicalPredictor ( )

virtual

Construct and solve the energy equation,.

convert to temperature and update thermophysical and transport properties

Reimplemented from solid.

Definition at line 169 of file solidDisplacement.C.

References thermo, and solid::thermophysicalPredictor().

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◆ pressureCorrector()

void pressureCorrector ( )

virtual

Construct and solve the displacement equation to obtain the stress.

Reimplemented from solid.

Definition at line 178 of file solidDisplacement.C.

References fvConstraints::constrain(), D, Foam::fvc::d2dt2(), Foam::fvm::d2dt2(), Foam::fvc::div(), fvMatrix< Type >::flux(), fvConstraints(), fvModels(), Foam::fvc::grad(), Foam::I, lambda(), Foam::fvm::laplacian(), Foam::constant::physicoChemical::mu, rho, fvMatrix< Type >::solve(), Foam::T(), thermo, Foam::tr(), and Foam::twoSymm().

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◆ postCorrector()

void postCorrector ( )

virtual

Correct the thermophysical transport modelling.

Reimplemented from solid.

Definition at line 240 of file solidDisplacement.C.

References solid::postCorrector(), and thermo.

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◆ postSolve()

void postSolve ( )

virtual

Called after the PIMPLE loop at the end of the time-step.

Reimplemented from solid.

Definition at line 249 of file solidDisplacement.C.

References Foam::dev(), Foam::endl(), Foam::I, Foam::Info, Foam::magSqr(), Foam::max(), Foam::constant::physicoChemical::sigma, Foam::sqrt(), thermo, and regIOobject::write().

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◆ operator=()

void operator= ( const solidDisplacement & )

delete

Disallow default bitwise assignment.

Member Data Documentation

◆ thermo_

solidDisplacementThermo& thermo_

protected

Definition at line 65 of file solidDisplacement.H.

◆ compactNormalStress

Switch compactNormalStress

protected

Switch for normal stress discretisation (required)

The compact form uses snGrad (more convergent, less accurate) The non-compact form uses grad (less convergent, more accurate)

Definition at line 73 of file solidDisplacement.H.

◆ nCorr

int nCorr

protected

Maximum number of displacement/stress correctors per time-step.

Defaults to 1

Definition at line 77 of file solidDisplacement.H.

◆ convergenceTolerance

scalar convergenceTolerance

protected

Convergence tolerance for the displacement/stress correctors.

Defaults to 0

Definition at line 81 of file solidDisplacement.H.

◆ accFac

scalar accFac

protected

Acceleration factor for faster steady-state simulations.

Applies over-relaxation to the displacement field after solution Typically between 1 and 2, the optimal value is case dependent and should be selected to maximise convergence rate while maintaining stability. Should be set lower for higher Poisson's ratios for stability.

Definition at line 89 of file solidDisplacement.H.