esys.speckley Package

A domain meshed with uniform rectangles or quadrilaterals

Classes

class esys.speckley.AbstractAssembler
__init__()

Raises an exception This class cannot be instantiated from Python

class esys.speckley.SpeckleyBrick
__init__()

Raises an exception This class cannot be instantiated from Python

class esys.speckley.SpeckleyDomain
__init__()

Raises an exception This class cannot be instantiated from Python

MPIBarrier((SpeckleyDomain)arg1) → None :

Wait until all processes have reached this point

addToRHS((SpeckleyDomain)arg1, (Data)arg2, (list)rhs, (AbstractAssembler)data) → None :

adds a PDE onto the stiffness matrix mat and a rhs, results depends on domain

Parameters

  • rhs (Data) –

  • data (list) –

addToSystem((SpeckleyDomain)arg1, (Operator)arg2, (Data)mat, (list)rhs, (AbstractAssembler)data) → None :

adds a PDE to the system, results depend on domain

Parameters

  • mat (OperatorAdapter) –

  • rhs (Data) –

  • data (list) –

createAssembler((SpeckleyDomain)arg1, (str)typename, (list)options) → AbstractAssembler :

request from the domain an assembler of the specified type, if supported, using the supplied options (if provided):param typename: :type typename: string :param options: :type options: list

dump((SpeckleyDomain)arg1, (str)filename) → None :

Dumps the mesh to a file with the given name.

getDataShape((SpeckleyDomain)arg1, (object)functionSpaceCode) → object :
Returns

a pair (dps, ns) where dps is the number of data points per sample, and ns isthe number of samples

Return type

tuple

getDescription((SpeckleyDomain)arg1) → str :
Returns

a description for this domain

Return type

string

getDim((SpeckleyDomain)arg1) → int :
Return type

int

getGridParameters((SpeckleyDomain)arg1) → tuple :

Returns the tuple (origin, spacing, elements) where the entries are tuples: origin the coordinates of the domain’s global origin, spacing the element size (=node spacing) of the domain, elements the global number of elements in all dimensions

Return type

tuple

getMPIRank((SpeckleyDomain)arg1) → int :
Returns

the rank of this process

Return type

int

getMPISize((SpeckleyDomain)arg1) → int :
Returns

the number of processes used for this Domain

Return type

int

getNormal((SpeckleyDomain)arg1) → Data :
Returns

boundary normals at the quadrature point on the face elements

Return type

Data

getNumDataPointsGlobal((SpeckleyDomain)arg1) → int :
Returns

the number of data points summed across all MPI processes

Return type

int

getOrder((SpeckleyDomain)arg1) → int :
Returns

the order of the domain

Return type

int

getSize((SpeckleyDomain)arg1) → Data :
Returns

the element size

Return type

Data

getSystemMatrixTypeId((SpeckleyDomain)arg1, (object)options) → int :
Returns

the identifier of the matrix type to be used for the global stiffness matrix when a particular solver, package, preconditioner, and symmetric matrix is used.

Return type

int

Parameters

  • solver (int) –

  • preconditioner (int) –

  • package (int) –

  • symmetry (int) –

getTag((SpeckleyDomain)arg1, (str)name) → int :
Returns

tag id for name

Return type

string

getX((SpeckleyDomain)arg1) → Data :
Returns

locations in the FEM nodes

Return type

Data

isValidTagName((SpeckleyDomain)arg1, (str)name) → bool :
Returns

True if name corresponds to a tag, otherwise False

Return type

bool

newOperator((SpeckleyDomain)arg1, (object)row_blocksize, (FunctionSpace)row_functionspace, (object)column_blocksize, (FunctionSpace)column_functionspace, (object)type) → Operator :

creates a SystemMatrixAdapter stiffness matrix and initializes it with zeros

Parameters

  • row_blocksize (int) –

  • row_functionspace (FunctionSpace) –

  • column_blocksize (int) –

  • column_functionspace (FunctionSpace) –

  • type (int) –

onMasterProcessor((SpeckleyDomain)arg1) → bool :
Returns

True if this code is executing on the master process

Return type

bool

print_mesh_info((SpeckleyDomain)arg1[, (object)full=False]) → None :

Prints out a summary about the mesh. :param full: whether to output additional data :type full: bool

setTagMap((SpeckleyDomain)arg1, (str)name, (object)tag) → None :

Give a tag number a name.

Parameters

  • name (string) – Name for the tag

  • tag (int) – numeric id

Note

Tag names must be unique within a domain

showTagNames((SpeckleyDomain)arg1) → str :
Returns

A space separated list of tag names

Return type

string

writeBinaryGrid((SpeckleyDomain)arg1, (Data)arg2, (str)arg3, (object)arg4, (object)arg5) → None

writeBinaryGrid( (SpeckleyDomain)arg1, (Data)arg2, (str)arg3, (object)arg4, (object)arg5) -> None

class esys.speckley.SpeckleyRectangle
__init__()

Raises an exception This class cannot be instantiated from Python

Functions

esys.speckley.Brick((object)order, (object)n0, (object)n1, (object)n2[, (object)l0=1.0[, (object)l1=1.0[, (object)l2=1.0[, (object)d0=-1[, (object)d1=-1[, (object)d2=-1[, (object)diracPoints=[][, (object)diracTags=[][, (SubWorld)escriptworld=None]]]]]]]]]) → Domain :

Creates a hexagonal mesh with n0 x n1 x n2 elements over the brick [0,l0] x [0,l1] x [0,l2].

Parameters

  • order – the number of quadrature points to have in each dimension

  • n0 (int) – number of elements in direction 0

  • n1 (int) – number of elements in direction 1

  • n2 (int) – number of elements in direction 2

  • l0 (float or tuple) – length of side 0 or coordinate range of side 0

  • l1 (float or tuple) – length of side 1 or coordinate range of side 1

  • l2 (float or tuple) – length of side 2 or coordinate range of side 2

  • d0 (int) – number of subdivisions in direction 0

  • d1 (int) – number of subdivisions in direction 1

  • d2 (int) – number of subdivisions in direction 2

esys.speckley.Rectangle((object)order, (object)n0, (object)n1[, (object)l0=1.0[, (object)l1=1.0[, (object)d0=-1[, (object)d1=-1[, (object)diracPoints=[][, (object)diracTags=[][, (SubWorld)escriptworld=None]]]]]]]) → Domain :

Creates a rectangular mesh with n0 x n1 elements over the rectangle [0,l0] x [0,l1].

Parameters

  • n0 (int) – number of elements in direction 0

  • n1 (int) – number of elements in direction 1

  • l0 (float or tuple) – length of side 0 or coordinate range of side 0

  • l1 (float or tuple) – length of side 1 or coordinate range of side 1

  • d0 (int) – number of subdivisions in direction 0

  • d1 (int) – number of subdivisions in direction 1

esys.speckley.readBinaryGrid((str)filename, (FunctionSpace)functionspace, (object)shape, (object)fill=0.0, (object)byteOrder, (object)dataType, (object)first, (object)numValues, (object)multiplier, (object)reverse) → Data :

Reads a binary Grid

Others

  • BYTEORDER_BIG_ENDIAN

  • BYTEORDER_LITTLE_ENDIAN

  • BYTEORDER_NATIVE

  • DATATYPE_FLOAT32

  • DATATYPE_FLOAT64

  • DATATYPE_INT32

Packages