OCC.Core.FEmTool module

FEmTool module, see official documentation at https://www.opencascade.com/doc/occt-7.4.0/refman/html/package_femtool.html

class FEmTool_Assembly(*args)

Bases: object

Parameters

Dependence –

type Dependence

TColStd_Array2OfInteger

param Table

type Table

FEmTool_HAssemblyTable

rtype

None

AddConstraint()

Parameters

IndexofConstraint –

type IndexofConstraint

int

param Element

type Element

int

param Dimension

type Dimension

int

param LinearForm

type LinearForm

math_Vector

param Value

type Value

float

rtype

None

AddMatrix()

• Add an elementary Matrix in the assembly Matrix if Dependence(Dimension1,Dimension2) is False

  param Element

  type Element

  int

  param Dimension1

  type Dimension1

  int

  param Dimension2

  type Dimension2

  int

  param Mat

  type Mat

  math_Matrix

  rtype

  None

AddVector()

• Add an elementary Vector in the assembly Vector (second member)

  param Element

  type Element

  int

  param Dimension

  type Dimension

  int

  param Vec

  type Vec

  math_Vector

  rtype

  None

GetAssemblyTable()

Parameters

AssTable –

type AssTable

FEmTool_HAssemblyTable

rtype

None

NbGlobVar()

Return type

int

NullifyConstraint()

• Nullify all Constraints.

  rtype

  None

NullifyMatrix()

• Nullify all Matrix ‘s Coefficient

  rtype

  None

NullifyVector()

• Nullify all Coordinate of assembly Vector (second member)

  rtype

  None

ResetConstraint()

• Delete all Constraints.

  rtype

  None

Solution()

Parameters

Solution –

type Solution

math_Vector

rtype

None

Solve()

• Solve the assembly system Returns Standard_False if the computation failed.

  rtype

  bool

property thisown

The membership flag

class FEmTool_AssemblyTable(*args)

Bases: object

Assign()

ChangeValue()

ColLength()

Init()

IsDeletable()

Length()

LowerCol()

LowerRow()

Move()

NbColumns()

NbRows()

Resize()

RowLength()

Set()

SetValue()

Size()

UpperCol()

UpperRow()

Value()

property thisown

The membership flag

class FEmTool_Curve(*args)

Bases: OCC.Core.Standard.Standard_Transient

Parameters

Dimension –

type Dimension

int

param NbElements

type NbElements

int

param TheBase

type TheBase

PLib_Base

param Tolerance

type Tolerance

float

rtype

None

Base()

Return type

opencascade::handle<PLib_Base>

D0()

Parameters

U –

type U

float

param Pnt

type Pnt

TColStd_Array1OfReal

rtype

None

D1()

Parameters

U –

type U

float

param Vec

type Vec

TColStd_Array1OfReal

rtype

None

D2()

Parameters

U –

type U

float

param Vec

type Vec

TColStd_Array1OfReal

rtype

None

Degree()

Parameters

IndexOfElement –

type IndexOfElement

int

rtype

int

Dimension()

Return type

int

static DownCast(t)

GetElement()

Parameters

IndexOfElement –

type IndexOfElement

int

param Coeffs

type Coeffs

TColStd_Array2OfReal

rtype

None

GetPolynom()

• returns coefficients of all elements in canonical base.

  param Coeffs

  type Coeffs

  TColStd_Array1OfReal

  rtype

  None

Knots()

Return type

TColStd_Array1OfReal

Length()

Parameters

FirstU –

type FirstU

float

param LastU

type LastU

float

param Length

type Length

float

rtype

None

NbElements()

Return type

int

ReduceDegree()

Parameters

IndexOfElement –

type IndexOfElement

int

param Tol

type Tol

float

param NewDegree

type NewDegree

int

param MaxError

type MaxError

float

rtype

None

SetDegree()

Parameters

IndexOfElement –

type IndexOfElement

int

param Degree

type Degree

int

rtype

None

SetElement()

Parameters

IndexOfElement –

type IndexOfElement

int

param Coeffs

type Coeffs

TColStd_Array2OfReal

rtype

None

property thisown

The membership flag

class FEmTool_ElementaryCriterion(*args, **kwargs)

Bases: OCC.Core.Standard.Standard_Transient

• Empty constructor

Return type

None* Copy constructor – does nothing

Parameters

& (Standard_Transient) –

Return type

None

DependenceTable()

• To know if two dimension are independent.

  rtype

  opencascade::handle<TColStd_HArray2OfInteger>

static DownCast(t)

Gradient()

• To Compute the coefficients in the dimension <dim> of the J(E)’s Gradient where E is the current Element

  param Dim

  type Dim

  int

  param G

  type G

  math_Vector

  rtype

  void

Hessian()

• To Compute J(E) the coefficients of Hessian matrix of J(E) wich are crossed derivatives in dimensions <Dim1> and <Dim2>. If DependenceTable(Dimension1,Dimension2) is False

  param Dim1

  type Dim1

  int

  param Dim2

  type Dim2

  int

  param H

  type H

  math_Matrix

  rtype

  void

Set()

• Set the coefficient of the Element (the Curve)

  param Coeff

  type Coeff

  TColStd_HArray2OfReal

  rtype

  None* Set the definition interval of the Element

  param FirstKnot

  type FirstKnot

  float

  param LastKnot

  type LastKnot

  float

  rtype

  void

Value()

• To Compute J(E) where E is the current Element

  rtype

  float

property thisown

The membership flag

class FEmTool_ElementsOfRefMatrix(*args)

Bases: OCC.Core.math.math_FunctionSet

Parameters

TheBase –

type TheBase

PLib_Base

param DerOrder

type DerOrder

int

rtype

None

property thisown

The membership flag

class FEmTool_HAssemblyTable(*args)

Bases: OCC.Core.FEmTool.FEmTool_AssemblyTable, OCC.Core.Standard.Standard_Transient

• Empty constructor

Return type

None* Copy constructor – does nothing

Parameters

& (Standard_Transient) –

Return type

None

Array2()

ChangeArray2()

static DownCast(t)

property thisown

The membership flag

class FEmTool_LinearFlexion(*args)

Bases: OCC.Core.FEmTool.FEmTool_ElementaryCriterion

Parameters

WorkDegree –

type WorkDegree

int

param ConstraintOrder

type ConstraintOrder

GeomAbs_Shape

rtype

None

static DownCast(t)

property thisown

The membership flag

class FEmTool_LinearJerk(*args)

Bases: OCC.Core.FEmTool.FEmTool_ElementaryCriterion

Parameters

WorkDegree –

type WorkDegree

int

param ConstraintOrder

type ConstraintOrder

GeomAbs_Shape

rtype

None

static DownCast(t)

property thisown

The membership flag

class FEmTool_LinearTension(*args)

Bases: OCC.Core.FEmTool.FEmTool_ElementaryCriterion

Parameters

WorkDegree –

type WorkDegree

int

param ConstraintOrder

type ConstraintOrder

GeomAbs_Shape

rtype

None

static DownCast(t)

property thisown

The membership flag

class FEmTool_ListIteratorOfListOfVectors(*args)

Bases: object

ChangeValue()

More()

Next()

Value()

property thisown

The membership flag

class FEmTool_ListOfVectors(*args)

Bases: object

Append()

Assign()

Clear()

First()

InsertAfter()

InsertBefore()

Last()

Prepend()

Remove()

RemoveFirst()

Reverse()

Set()

Size()

begin()

cbegin()

cend()

end()

property thisown

The membership flag

class FEmTool_ProfileMatrix(*args)

Bases: OCC.Core.FEmTool.FEmTool_SparseMatrix

Parameters

FirstIndexes –

type FirstIndexes

TColStd_Array1OfInteger

rtype

None

static DownCast(t)

GetChangeValue(FEmTool_ProfileMatrix self, Standard_Integer const I, Standard_Integer const J) → Standard_Real

IsInProfile()

Parameters

i –

type i

int

param j

type j

int

rtype

bool

OutM()

Return type

None

OutS()

Return type

None

SetChangeValue(FEmTool_ProfileMatrix self, Standard_Integer const I, Standard_Integer const J, Standard_Real value)

Solve()

• Direct Solve of AX = B

  param B

  type B

  math_Vector

  param X

  type X

  math_Vector

  rtype

  None* Iterative solve of AX = B

  param B

  type B

  math_Vector

  param Init

  type Init

  math_Vector

  param X

  type X

  math_Vector

  param Residual

  type Residual

  math_Vector

  param Tolerance

  default value is 1.0e-8

  type Tolerance

  float

  param NbIterations

  default value is 50

  type NbIterations

  int

  rtype

  None

property thisown

The membership flag

class FEmTool_SeqOfLinConstr(*args)

Bases: object

Append()

Assign()

ChangeFirst()

ChangeLast()

ChangeValue()

Clear()

Exchange()

First()

InsertAfter()

InsertBefore()

IsEmpty()

Last()

Length()

Lower()

Prepend()

Remove()

Reverse()

Set()

SetValue()

Size()

Split()

Upper()

Value()

begin()

cbegin()

cend()

static delNode()

end()

property thisown

The membership flag

class FEmTool_SparseMatrix(*args, **kwargs)

Bases: OCC.Core.Standard.Standard_Transient

• Empty constructor

Return type

None* Copy constructor – does nothing

Parameters

& (Standard_Transient) –

Return type

None

ChangeValue()

Parameters

I –

type I

int

param J

type J

int

rtype

float

ColNumber()

• returns the column range of the matrix.

  rtype

  int

Decompose()

• To make a Factorization of <self>

  rtype

  bool

static DownCast(t)

Init()

Parameters

Value –

type Value

float

rtype

void

Multiplied()

• returns the product of a SparseMatrix by a vector. An exception is raised if the dimensions are different

  param X

  type X

  math_Vector

  param MX

  type MX

  math_Vector

  rtype

  void

Prepare()

• Make Preparation to iterative solve

  rtype

  bool

RowNumber()

• returns the row range of a matrix.

  rtype

  int

Solve()

• Direct Solve of AX = B

  param B

  type B

  math_Vector

  param X

  type X

  math_Vector

  rtype

  void* Iterative solve of AX = B

  param B

  type B

  math_Vector

  param Init

  type Init

  math_Vector

  param X

  type X

  math_Vector

  param Residual

  type Residual

  math_Vector

  param Tolerance

  default value is 1.0e-8

  type Tolerance

  float

  param NbIterations

  default value is 50

  type NbIterations

  int

  rtype

  void

property thisown

The membership flag

class SwigPyIterator(*args, **kwargs)

Bases: object

advance()

copy()

decr()

distance()

equal()

incr()

next()

previous()

property thisown

The membership flag

value()