11.4. 模块 mpm¶

11.4.1. 类预览¶

`Analysis`	The simulation class
`BCDIR`	Boundary direction
`BCFIXSTATE`	Boundary fix state
`CamClay`	The Cam-Clay model
`ContactEngine`	The contact engine to handle contact force between material points and DEM bodies.
`DemLine`	Line define as a DEM body
`DemPolygon`	Polygon defined as a DEM body
`DemSphere`	Sphere defined as DEM body
`Dp`	The drucker-prager model
`Elastic`	Elastic material
`Element`	The element of background grid.
`Ghostmat`	Ghost material for hosting DEM RVEs in DEMPM
`Grid`	The background grid that uses a regular grid.
`MPMETHOD`	MPM method/shape function for solution
`MatType`	Material type/constitutive model
`Material`	Material/constitutive model
`Mc`	MC model
`McOrigin`	The original MC model
`MpmWriter`	Writer to output data into files
`Mpts`	The non-rigid material points
`MptsBase`	The base class for material points
`NeoHookean`	NeoHookean model
`NewtonLiquid`	Newtonian fluid
`Node`	The node for the background grid.
`PeriodicHook`	The base class for periodic hook.
`PhaseTrsfMpts`	Phase transformation material points
`PhaseTrsfNode`	The node with consideration of phase transformation.
`Polygon`	Polygon shape
`Rectangle`	Rectangle shape
`RigidMpts`	Rigid material points
`Ring`	Ring shape
`SIMTYPEMASK`	Mask for simulation type
`Shape`	Shape to define material points
`ShapeType`	Shape type
`Sphere`	Sphere shape
`SplitRigidMpts`	The material points that can be split.
`TreeElement`	The element of the tree-structured background grid.
`TreeGrid`	The background grid in a tree structure.
`TreeNode`	The node for the tree-structured background grid.
`postProcess`	For post-processing.

11.4.2. API函数¶

class mpm.Analysis¶

The simulation class

NodesPos(self: mpm.Analysis) → List[float]¶: get positions of all nodes

NodesTemperature(self: mpm.Analysis) → List[float]¶

PreAnalysis(self: mpm.Analysis) → None¶: before run, generate pts and set bc first

PtsMeanStress(self: mpm.Analysis) → List[float]¶: get the mean stress for all particles, especially for gui view

PtsPos(self: mpm.Analysis) → List[float]¶

PtsShearStrain(self: mpm.Analysis) → List[float]¶: get shear strain for all particles, especially for gui view

PtsStressYY(self: mpm.Analysis) → List[float]¶: get the yy-component stress for all particles, especially for gui view

PtsTemperature(self: mpm.Analysis) → List[float]¶

PtsTemperatureRemapped(self: mpm.Analysis) → List[float]¶

Run(*args, **kwargs)¶

Overloaded function.

Run(self: mpm.Analysis) -> None

Run the simulation until reaching the tottime

Run(self: mpm.Analysis, arg0: int) -> None

Run the simulation with n steps

RunPthread(self: mpm.Analysis, arg0: int) → None¶: Run the simulation for n steps with detached threads

property USL¶

__init__(self: mpm.Analysis) → None¶

addMats(self: mpm.Analysis, arg0: mpm.Material) → None¶: push back material

addShapes(self: mpm.Analysis, arg0: mpm.Shape) → None¶: push back shapes

property contactengine¶

property demstep¶

property dt¶: time step

getElements(self: mpm.Analysis) → list¶

getNodeById(self: mpm.Analysis, *args) → object¶: get node by id.

getNodes(self: mpm.Analysis) → list¶

getNonrPts(self: mpm.Analysis) → list¶

getParById(self: mpm.Analysis, *args) → object¶: get particle by id. Note: particles are in two containers (Mpts followed by RigidMpts)

getRigidPts(self: mpm.Analysis) → list¶

getShapeReactForce(self: mpm.Analysis, arg0: int, arg1: int) → float¶: get reactforce of specific shape

getThermalCriticalTimeStep(self: mpm.Analysis) → float¶: get the critical time step for the thermal analysis.

getTimeStep(self: mpm.Analysis) → float¶: get the current time step in the simulation.

getTrElements(self: mpm.Analysis) → list¶

getTrNodes(self: mpm.Analysis) → list¶

property grid¶

property hooks¶: getHooks setHooks

isRunning(self: mpm.Analysis) → bool¶: get the isRunnning flag to check if the core simulation is running

iter(self: mpm.Analysis) → int¶: get the current time step

property mapOnce¶

property mats¶

property nrpts¶

pause(self: mpm.Analysis) → None¶: pause the simulation

printNodesTemperature(self: mpm.Analysis) → None¶: print temperature at all nodes

property rigidpts¶

property sdfengine¶

setHigherPicOrder(self: mpm.Analysis, arg0: int) → None¶

setMethod(*args, **kwargs)¶

Overloaded function.

setMethod(self: mpm.Analysis, arg0: int) -> None

mpm method

setMethod(self: mpm.Analysis, arg0: int, arg1: bool) -> None

mpm method

setNumThreads(self: mpm.Analysis, arg0: int) → None¶: set the number of threads in parallel

setPicEngineIterperiod(self: mpm.Analysis, arg0: int) → None¶

setTimeDt(self: mpm.Analysis, arg0: float, arg1: float) → None¶: set total time and time step

property shapes¶

property simTypeMasks¶: mask for simulation type

speed(self: mpm.Analysis) → int¶

property splitpts¶

property trgrid¶

useContact(self: mpm.Analysis) → None¶: use the contact algorithm

useNFGrid(self: mpm.Analysis) → None¶: use the non uniform grid

usePtSplit(self: mpm.Analysis, arg0: bool) → None¶: use the non uniform grid

useSDF(self: mpm.Analysis) → None¶: use the SDF for the separate field

property writer¶

class mpm.BCDIR¶

Boundary direction

Members:

XDIR : The x-direction.

YDIR : The y-direction.

NORMALDIR : The normal direction.

TANGENTDIR : The tangential direction.

NORMALDIR = BCDIR.NORMALDIR¶

TANGENTDIR = BCDIR.TANGENTDIR¶

XDIR = BCDIR.XDIR¶

YDIR = BCDIR.YDIR¶

__init__(self: mpm.BCDIR, arg0: int) → None¶

property name¶

class mpm.BCFIXSTATE¶

Boundary fix state

Members:

BCFREE : Free boundary.

BCFIXALL : All fixed boundary.

BCFIXPLUS : Fix the + direction.

BCFIXMINUS : Fix the - direction.

BCFIXALL = BCFIXSTATE.BCFIXALL¶

BCFIXMINUS = BCFIXSTATE.BCFIXMINUS¶

BCFIXPLUS = BCFIXSTATE.BCFIXPLUS¶

BCFREE = BCFIXSTATE.BCFREE¶

__init__(self: mpm.BCFIXSTATE, arg0: int) → None¶

property name¶

class mpm.CamClay¶

基类：Material

The Cam-Clay model

property E¶: Young’s modulous

__init__(self: mpm.CamClay) → None¶

property base_e¶: reference void ratio

property base_p¶: reference spherical stress

getStress(self: mpm.CamClay, arg0: list, arg1: list) → list¶

property init_p¶: spherical stress at the initial state

property kappa¶: slope of the swollen normal compression line

property lambda¶: slope of the virgin normal compression line

property lodeang¶: stress ratio versus the lode angle

property nu¶: Poisson’s ratio

property ocr¶: over-consolidation ratio

printInfo(self: mpm.CamClay) → None¶: print the mechanical property

printSState(self: mpm.CamClay) → None¶

class mpm.ContactEngine¶

The contact engine to handle contact force between material points and DEM bodies.

__init__(self: mpm.ContactEngine) → None¶

property addforce2pt¶

property potential¶: get contact potential

property radiusscale¶

class mpm.DemLine¶

基类：Shape

Line define as a DEM body

__init__(self: mpm.DemLine, arg0: float, arg1: float, arg2: float, arg3: float) → None¶

printInfo(self: mpm.DemLine) → None¶

printVTKInfo(self: mpm.DemLine) → None¶

property splitnum¶: resolution for the partition

class mpm.DemPolygon¶

基类：Shape

Polygon defined as a DEM body

__init__(self: mpm.DemPolygon, arg0: float, arg1: int, arg2: int, arg3: float, arg4: float, arg5: float) → None¶

addForce2Pt(self: mpm.DemPolygon, arg0: bool) → None¶: how the dem polygon add the force. True: add to pt, False: add to nodes

addPts(self: mpm.DemPolygon, arg0: float, arg1: float) → None¶: Add one point to polygon

getDemForce(self: mpm.DemPolygon) → tuple¶: get reaction force

getPts(self: mpm.DemPolygon) → List[float]¶: Get points array to polygon

getReactionForce(self: mpm.DemPolygon) → tuple¶: get reaction force

printInfo(self: mpm.DemPolygon) → None¶

setContactMatfield(self: mpm.DemPolygon, arg0: List[int]) → None¶

setDt(self: mpm.DemPolygon, arg0: float) → None¶: set timestep for dempolygon

setForceNormalDir(self: mpm.DemPolygon, arg0: int, arg1: int) → None¶: set the fixed contact normal direction

setGravity(self: mpm.DemPolygon, arg0: float, arg1: float) → None¶: add the gravity for DemPolygon and note that the value is reserved for velocity

setInterval(self: mpm.DemPolygon, arg0: int) → None¶: set interval of neighbour list update

setPts(self: mpm.DemPolygon, arg0: List[float]) → None¶: Set points array to polygon

setRange(self: mpm.DemPolygon, arg0: int) → None¶: set search radius of mpts for dem polygon

setRotFix(self: mpm.DemPolygon, arg0: bool) → None¶: fix the polygon rotation

setShapeErr(self: mpm.DemPolygon, arg0: float) → None¶: set the resolution of DemPolygon shape outline

usePolygonContact(self: mpm.DemPolygon, arg0: bool) → None¶: set the contact detection type: sphere or polygon

class mpm.DemSphere¶

基类：Shape

Sphere defined as DEM body

__init__(self: mpm.DemSphere, arg0: float, arg1: int, arg2: int, arg3: float, arg4: float, arg5: float) → None¶

addForce2Pt(self: mpm.DemSphere, arg0: bool) → None¶: how the dem polygon add the force. True: add to pt, False: add to nodes

getPts(self: mpm.DemSphere) → List[float]¶: Get points array to polygon

getReactionForce(self: mpm.DemSphere) → tuple¶: get reaction force

printInfo(self: mpm.DemSphere) → None¶

setArc(self: mpm.DemSphere, arg0: float, arg1: float) → None¶: cut a arc from sphere

setPts(self: mpm.DemSphere, arg0: List[float]) → None¶: Set points array to polygon

class mpm.Dp¶

基类：Material

The drucker-prager model

property E¶: Young’s modulous

__init__(self: mpm.Dp) → None¶

property c¶: cohesion

getStress(self: mpm.Dp, arg0: list, arg1: list) → list¶

property nu¶: Poisson’s ratio

property phi¶: friction angle

printInfo(*args, **kwargs)¶

Overloaded function.

printInfo(self: mpm.Dp) -> None

print the mechanical property

printInfo(self: mpm.Dp) -> None

print the mechanical property

printSState(self: mpm.Dp) → None¶

property psi¶: dilation angle

class mpm.Elastic¶

基类：Material

Elastic material

property E¶: Young’s modulous

__init__(self: mpm.Elastic) → None¶

property nu¶: Poisson’s ratio

printInfo(self: mpm.Elastic) → None¶: print the mechanical property

class mpm.Element¶

The element of background grid.

__init__(self: mpm.Element) → None¶

getMembers(self: mpm.Element) → list¶

printInfo(self: mpm.Element) → None¶: print information of base element class

class mpm.Ghostmat¶

基类：Material

Ghost material for hosting DEM RVEs in DEMPM

__init__(self: mpm.Ghostmat) → None¶

printInfo(self: mpm.Ghostmat) → None¶: print the mechanical property

property thermalResistance¶

class mpm.Grid¶

The background grid that uses a regular grid.

__init__(self: mpm.Grid) → None¶

getNumEle(self: mpm.Grid) → tuple¶: get the number of elements along x and y directions

getSpace(self: mpm.Grid) → tuple¶: get the space of the grid

getXrange(self: mpm.Grid) → tuple¶: get xrange

getYrange(self: mpm.Grid) → tuple¶: get yrange

property nodes¶: nodes of the grid

printElements(self: mpm.Grid) → None¶: print element information for debug

printInfo(self: mpm.Grid) → None¶: print information for debug

setContactDisratio(self: mpm.Grid, arg0: int, arg1: float) → None¶: set the contact detection ratio

setFriction(self: mpm.Grid, arg0: float) → None¶: set the frictoin sliding coefficient

setNumEle(self: mpm.Grid, arg0: int, arg1: int) → None¶: element dimensions in x and y direction

setRange(self: mpm.Grid, arg0: float, arg1: float, arg2: float, arg3: float) → None¶: grid xmin, xmax, ymin, ymax

class mpm.MPMETHOD¶

MPM method/shape function for solution

Members:

NONEMETHOD : Not solving.

LINEAR : Linear interpolation.

GIMP : The GIMP method.

LINEARCPDI : The linear CPDI method.

MIXMETHOD : The mix method.

BSPLINECPDI : The B-Spline CPDI method.

BSPLINECPDI = MPMETHOD.BSPLINECPDI¶

GIMP = MPMETHOD.GIMP¶

LINEAR = MPMETHOD.LINEAR¶

LINEARCPDI = MPMETHOD.LINEARCPDI¶

MIXMETHOD = MPMETHOD.MIXMETHOD¶

NONEMETHOD = MPMETHOD.NONEMETHOD¶

__init__(self: mpm.MPMETHOD, arg0: int) → None¶

property name¶

class mpm.MatType¶

Material type/constitutive model

Members:

RIGIDMAT : Rigid material

ELASTICMAT : Elastic material

MCMAT : MC material

GHOSTMAT : Ghost material for hosting DEM RVEs, for DEMPM only.

NEOMAT : Neoelstic material

DPMAT : Drucker-Prager model

NEWTONMAT : Newton liquid

CAMCLAYMAT : Cam-Clay model

CAMCLAYMAT = MatType.CAMCLAYMAT¶

DPMAT = MatType.DPMAT¶

ELASTICMAT = MatType.ELASTICMAT¶

GHOSTMAT = MatType.GHOSTMAT¶

MCMAT = MatType.MCMAT¶

NEOMAT = MatType.NEOMAT¶

NEWTONMAT = MatType.NEWTONMAT¶

RIGIDMAT = MatType.RIGIDMAT¶

__init__(self: mpm.MatType, arg0: int) → None¶

property name¶

class mpm.Material¶

Material/constitutive model

property Kn¶: Contact normal stiffness

property Ks¶: Contact tangential stiffness

property Tres¶

__init__(*args, **kwargs)¶

property coarsegrain¶

property freezepoint¶: determine the freeze point

property friction¶: Contact friction coefficient

property heatCapacity¶: set the heat capacity

property infinistate¶: whether infinitesimal or not

property latentratio¶: determine the latent ratio

property oned¶

property planestrain¶: determine whether plane strain or plane stress

property rho¶: density

setIndex(self: mpm.Material, arg0: int) → None¶

setInitDensity(self: mpm.Material, arg0: List[float]) → None¶

setInitFraction(self: mpm.Material, arg0: List[float]) → None¶

setThermalProp(*args, **kwargs)¶

Overloaded function.

setThermalProp(self: mpm.Material, arg0: float, arg1: List[float]) -> None

set themal properties

setThermalProp(self: mpm.Material, arg0: List[float], arg1: List[float]) -> None

set themal properties

property thermalExpCoeff¶: linear thermal expansion coefficient.

property unfrozenlimit¶

property unfrozenratio¶

property usecontentfrozen¶

property usemultiplek¶

class mpm.Mc¶

基类：Material

MC model

property E¶: Young’s modulous

__init__(self: mpm.Mc) → None¶

property c¶: cohesion

property cpeak¶: peak cohesion

property cres¶: residual cohesion

getStress(self: mpm.Mc, arg0: list, arg1: list) → list¶

property nu¶: Poisson’s ratio

property phi¶: friction angle

property phipeak¶: peak fricton angle

property phires¶: residual cohesion

printInfo(self: mpm.Mc) → None¶: print the mechanical property

property psi¶: dilation angle

property psipeak¶: peak dilation angle

property psires¶: dilation cohesion

property pstrainpeak¶: peak plastic strain

property pstrainres¶: residual peak plastic strain

property softenstate¶: soften flag

property tension¶: tension cut-off

class mpm.McOrigin¶

基类：Material

The original MC model

property E¶: Young’s modulous

__init__(self: mpm.McOrigin) → None¶

property c¶: cohesion

getStress(self: mpm.McOrigin, arg0: list, arg1: list) → list¶

property nu¶: Poisson’s ratio

property phi¶: friction angle

printInfo(self: mpm.McOrigin) → None¶: print the mechanical property

property psi¶: dilation angle

property tension¶: tension cut-off

class mpm.MpmWriter¶

基类：PeriodicHook

Writer to output data into files

__init__(self: mpm.MpmWriter) → None¶

saveCurrentMesh(self: mpm.MpmWriter, arg0: str) → None¶: save current mesh file

saveCurrentPtsBin(self: mpm.MpmWriter, arg0: str) → None¶: save current pts binary

setDir(self: mpm.MpmWriter, arg0: str, arg1: str) → None¶: dir path and name for result files

setEndTime(self: mpm.MpmWriter, arg0: float) → None¶: end time of writing vtk

setIntervalTime(self: mpm.MpmWriter, arg0: float) → None¶: save interval of writing vtk

setStartTime(self: mpm.MpmWriter, arg0: float) → None¶: start time of writing vtk

writePtsPos(self: mpm.MpmWriter, arg0: str) → None¶: write particle positions into a file in binary

class mpm.Mpts¶

基类：MptsBase

The non-rigid material points

__init__(*args, **kwargs)¶

getDeformMatrix(self: mpm.Mpts) → list¶: get deformation matrix of material point

getInitPos(self: mpm.Mpts) → tuple¶: get particle position in 2D

getPos(self: mpm.Mpts) → tuple¶: get particle position in 2D

getStrainEnergy(self: mpm.Mpts) → float¶: get strain energy of non-rigid pts

getVel(self: mpm.Mpts) → tuple¶: get particle velocity in 2D

printInfo(self: mpm.Mpts) → None¶

printMatInfo(self: mpm.Mpts) → None¶: print material info

setVel(self: mpm.Mpts, arg0: float, arg1: float) → None¶

class mpm.MptsBase¶

The base class for material points

__init__(*args, **kwargs)¶

getIndex(self: mpm.MptsBase) → int¶

getNodeList(self: mpm.MptsBase) → List[int]¶: get the list of node indexes associated with this particle

getNodeSF(self: mpm.MptsBase) → List[float]¶: get the list of node indexes associated with this particle

getPos(self: mpm.MptsBase) → tuple¶: get particle position in 2D

getRemappedT(self: mpm.MptsBase) → float¶: get the remapped temperature on the particle

getShearStrain(self: Mpts) → float¶

getStrain(self: mpm.MptsBase) → list¶: get strain on this material point

getStress(self: mpm.MptsBase) → list¶: get stress on this material point

getTemperature(self: mpm.MptsBase) → float¶: get the temperature on the particle

getThermalConductivity(self: mpm.MptsBase) → list¶: get thermal conductivity tensor on this material point

getVel(self: mpm.MptsBase) → tuple¶: get particle velocity in 2D

getVol(self: mpm.MptsBase) → float¶: get particle volume in 2D

property heatCapacity¶: specific heat capacity

property heatSource¶: heat source or sink

property mass¶: particle mass

printInfo(self: mpm.MptsBase) → None¶

property temperature¶: temperature: becareful to change it during simulation

class mpm.NeoHookean¶

基类：Material

NeoHookean model

property E¶: Young’s modulous

__init__(self: mpm.NeoHookean) → None¶

property nu¶: Poisson’s ratio

printInfo(self: mpm.NeoHookean) → None¶: print the mechanical property

property uopt¶: Different way to calculate the strain energy

class mpm.NewtonLiquid¶

基类：Material

Newtonian fluid

__init__(self: mpm.NewtonLiquid) → None¶

property bulk¶: Bulk modulus

printInfo(self: mpm.NewtonLiquid) → None¶: print the mechanical property

property visco¶: Dynamic viscosity

class mpm.Node¶

The node for the background grid.

__init__(self: mpm.Node) → None¶

getId(self: mpm.Node) → int¶: get the node index

getParNum(self: mpm.Node) → int¶: get particle number associated with this node

getTemperature(self: mpm.Node) → float¶: get the temperature at the node

property pos¶: get the nodal position

printInfo(self: mpm.Node) → None¶: print info of a node

printMatfInfo(self: mpm.Node, arg0: int) → None¶: print Material field information.

class mpm.PeriodicHook¶

The base class for periodic hook.

__init__(self: mpm.PeriodicHook) → None¶

property dead¶: the hook is dead (True) or not.

property iterLast¶: iteration of last run

property iterPeriod¶: iter Periodicity

property realLast¶: real time of last run

property realPeriod¶: real Periodicity

reset(self: mpm.PeriodicHook, **kwargs) → None¶: reset the period of the hook

property totalRuns¶: the total runs for the hook

property virtLast¶: virtual time of last run

property virtPeriod¶: virtual Periodicity

class mpm.PhaseTrsfMpts¶

基类：Mpts

Phase transformation material points

__init__(*args, **kwargs)¶

getCurrentWaterFraction(self: mpm.PhaseTrsfMpts, arg0: float) → float¶

getDIcefractionDTemp(self: mpm.PhaseTrsfMpts, arg0: float) → float¶

getPhaseFraction(self: mpm.PhaseTrsfMpts, arg0: int) → float¶

getPhaseState(self: mpm.PhaseTrsfMpts) → int¶

getPos(self: mpm.PhaseTrsfMpts) → tuple¶: get particle position in 2D

getStrainEnergy(self: mpm.PhaseTrsfMpts) → float¶: get strain energy of non-rigid pts

getVel(self: mpm.PhaseTrsfMpts) → tuple¶: get particle velocity in 2D

property localbondratio¶

printInfo(self: mpm.PhaseTrsfMpts) → None¶

printMatInfo(self: mpm.PhaseTrsfMpts) → None¶: print material info

testTheUpdateVol(self: mpm.PhaseTrsfMpts, arg0: int) → None¶

class mpm.PhaseTrsfNode¶

基类：Node

The node with consideration of phase transformation.

__init__(self: mpm.PhaseTrsfNode) → None¶

getId(self: mpm.PhaseTrsfNode) → int¶: get the node index

getParNum(self: mpm.PhaseTrsfNode) → int¶: get particle number associated with this node

getTemperature(self: mpm.PhaseTrsfNode) → float¶: get the temperature at the node

property pos¶: get the nodal position

printInfo(self: mpm.PhaseTrsfNode) → None¶: print info of a node

printMatfInfo(self: mpm.PhaseTrsfNode, arg0: int) → None¶: print Material field information.

class mpm.Polygon¶

基类：Shape

Polygon shape

__init__(self: mpm.Polygon, arg0: int) → None¶

printInfo(self: mpm.Polygon) → None¶

setPts(self: mpm.Polygon, arg0: List[float]) → None¶

class mpm.PyHook¶

基类：PeriodicHook

Hook for Python functions at the user end.

__init__(self: mpm.PyHook) → None¶

property command¶: command for the pyhook. WARNING: you cannot use the print function in the hook, or else it may encounter a crash in detached multi-threads. FIXEME in the future. As a workaround, we use app.print in GUI.

class mpm.Rectangle¶

基类：Shape

Rectangle shape

__init__(*args, **kwargs)¶

Overloaded function.

__init__(self: mpm.Rectangle) -> None
__init__(self: mpm.Rectangle, arg0: float, arg1: float, arg2: float, arg3: float, arg4: int) -> None

printInfo(self: mpm.Rectangle) → None¶

class mpm.RigidMpts¶

基类：MptsBase

Rigid material points

__init__(*args, **kwargs)¶

getPos(self: mpm.RigidMpts) → tuple¶: get particle position in 2D

getVel(self: mpm.RigidMpts) → tuple¶: get particle velocity in 2D

printInfo(self: mpm.RigidMpts) → None¶

class mpm.Ring¶

基类：Shape

Ring shape

__init__(*args, **kwargs)¶

Overloaded function.

__init__(self: mpm.Ring) -> None
__init__(self: mpm.Ring, arg0: float, arg1: float, arg2: float, arg3: float, arg4: int) -> None

printInfo(self: mpm.Ring) → None¶

class mpm.SDFengine¶

Signed distance function-based contact detection engine

__init__(self: mpm.SDFengine) → None¶

printInfo(self: mpm.SDFengine) → None¶

queryState(self: mpm.SDFengine, arg0: bool, arg1: int) → None¶

class mpm.SIMTYPEMASK¶

Mask for simulation type

Members:

MANAL : For mechanical analysis

TANAL : For thermal analysis

PHASEANAL : For phase transformation

MANAL = SIMTYPEMASK.MANAL¶

PHASEANAL = SIMTYPEMASK.PHASEANAL¶

TANAL = SIMTYPEMASK.TANAL¶

__init__(self: mpm.SIMTYPEMASK, arg0: int) → None¶

property name¶

class mpm.Shape¶

Shape to define material points

Rotate(self: mpm.Shape, arg0: float) → None¶: rotate shape

__init__(*args, **kwargs)¶

setBc(*args, **kwargs)¶

Overloaded function.

setBc(self: mpm.Shape, arg0: int, arg1: float, arg2: int, arg3: float) -> None
setBc(self: mpm.Shape, arg0: int, arg1: str, arg2: int, arg3: str) -> None
setBc(self: mpm.Shape, arg0: int, arg1: float, arg2: int, arg3: float, arg4: bool, arg5: bool) -> None

setBcMatfield(self: mpm.Shape, arg0: List[int]) → None¶

setConsolidation(*args, **kwargs)¶

Overloaded function.

setConsolidation(self: mpm.Shape, arg0: str, arg1: str) -> None

set initial consolidation stress

setConsolidation(self: mpm.Shape, arg0: float, arg1: float) -> None

set initial consolidation stress

setDamping(self: mpm.Shape, arg0: float, arg1: float, arg2: float) → None¶

setInitTemperature(self: mpm.Shape, arg0: float) → None¶

setMatProperty(*args, **kwargs)¶

Overloaded function.

setMatProperty(self: mpm.Shape, arg0: int, arg1: int, arg2: int) -> None
setMatProperty(self: mpm.Shape, arg0: int, arg1: int, arg2: int, arg3: int) -> None

setMethod(self: mpm.Shape, arg0: int, arg1: bool) → None¶: set interpolation method

setThermalBc(self: mpm.Shape, arg0: float) → None¶: set the prescribed temperature on Dirichlet BC for thermal field.

setTracBc(*args, **kwargs)¶

Overloaded function.

setTracBc(self: mpm.Shape, arg0: int, arg1: int, arg2: float) -> None
setTracBc(self: mpm.Shape, arg0: int, arg1: int, arg2: str) -> None

setUserContactNormal(self: mpm.Shape, arg0: float, arg1: float) → None¶: set user defined contact normal

unsetThermalBc(self: mpm.Shape) → None¶

class mpm.ShapeType¶

Shape type

Members:

NONEBC : No boundary conditions will be applied to the shape.

NDSHAPE : Boundary conditions will be applied to the normal direction of the shape surface.

MPTLOADSHAPE : Load will be applied to the material points of the shape.

MPTTRACSHAPE : Traction will be applied to the material points of the shape.

RIGIDSHAPE : The shape will be a rigid body such that no deformation will be considered.

GRAVITYSHAPE : Gravity will be applied to the shape.

DEMSHAPE : The shape will be served as a discrete element body.

MPTVELSHAPE : Velecity will be applied to the shape.

NDHEATSHAPE : Thermal conditions will be applied on the normal direction of the shape surface.

DEMSHAPE = ShapeType.DEMSHAPE¶

GRAVITYSHAPE = ShapeType.GRAVITYSHAPE¶

MPTLOADSHAPE = ShapeType.MPTLOADSHAPE¶

MPTTRACSHAPE = ShapeType.MPTTRACSHAPE¶

MPTVELSHAPE = ShapeType.MPTVELSHAPE¶

NDHEATSHAPE = ShapeType.NDHEATSHAPE¶

NDSHAPE = ShapeType.NDSHAPE¶

NONEBC = ShapeType.NONEBC¶

RIGIDSHAPE = ShapeType.RIGIDSHAPE¶

__init__(self: mpm.ShapeType, arg0: int) → None¶

property name¶

class mpm.Sphere¶

基类：Shape

Sphere shape

__init__(*args, **kwargs)¶

Overloaded function.

__init__(self: mpm.Sphere) -> None
__init__(self: mpm.Sphere, arg0: float, arg1: float, arg2: float, arg3: int) -> None

printInfo(self: mpm.Sphere) → None¶

class mpm.SplitRigidMpts¶

基类：MptsBase

The material points that can be split.

__init__(*args, **kwargs)¶

getGeomId(self: mpm.SplitRigidMpts) → int¶

printInfo(self: mpm.SplitRigidMpts) → None¶

class mpm.TreeElement¶

基类：Element

The element of the tree-structured background grid.

__init__(self: mpm.TreeElement) → None¶

printInfo(self: mpm.TreeElement) → None¶: print information of base element class

class mpm.TreeGrid¶

基类：Grid

The background grid in a tree structure.

__init__(self: mpm.TreeGrid) → None¶

clearLevelConfig(self: mpm.TreeGrid) → None¶: clear the mesh configuration

generate(self: mpm.TreeGrid, arg0: int) → None¶: generate initialize mesh

getNumEle(self: mpm.TreeGrid) → tuple¶: get the number of elements along x and y directions

getSpace(self: mpm.TreeGrid) → tuple¶: get the space of the grid

getXrange(self: mpm.TreeGrid) → tuple¶: get xrange

getYrange(self: mpm.TreeGrid) → tuple¶: get yrange

printElements(self: mpm.TreeGrid) → None¶: print element information for debug

printInfo(self: mpm.TreeGrid) → None¶: print information for debug

printNodes(self: mpm.TreeGrid) → None¶: print nfnode information for debug

runLevelSet(self: mpm.TreeGrid) → None¶: activate the cached mesh refinement configuration

runRefinement(self: mpm.TreeGrid) → None¶: run the mesh refinement

setContactDisratio(self: mpm.TreeGrid, arg0: int, arg1: float) → None¶: set the contact detection ratio

setFriction(self: mpm.TreeGrid, arg0: float) → None¶: set the frictoin sliding coefficient

setLevel(*args, **kwargs)¶

Overloaded function.

setLevel(self: mpm.TreeGrid, arg0: int, arg1: float, arg2: float, arg3: float, arg4: float, arg5: float, arg6: float, arg7: float, arg8: float) -> None

set refine level

setLevel(self: mpm.TreeGrid, arg0: int, arg1: float, arg2: float, arg3: float, arg4: float) -> None

set refine level

setLevel(self: mpm.TreeGrid, arg0: int, arg1: float, arg2: float, arg3: float) -> None

set refine level

setLevel(self: mpm.TreeGrid, arg0: int, arg1: float, arg2: float, arg3: float, arg4: float, arg5: float, arg6: float) -> None

set refine level

setNumEle(self: mpm.TreeGrid, arg0: int, arg1: int) → None¶: element dimensions in x and y direction

setRange(self: mpm.TreeGrid, arg0: float, arg1: float, arg2: float, arg3: float) → None¶: grid xmin, xmax, ymin, ymax

class mpm.TreeNode¶

基类：Node

The node for the tree-structured background grid.

__init__(self: mpm.TreeNode) → None¶

getId(self: mpm.TreeNode) → int¶: get the node index

getParNum(self: mpm.TreeNode) → int¶: get particle number associated with this node

getSignSize(self: mpm.TreeNode, arg0: int) → float¶: get the signed size of node

getTemperature(self: mpm.TreeNode) → float¶: get the temperature at the node

property pos¶: get the nodal position

printInfo(self: mpm.TreeNode) → None¶: print info of a node

printMatfInfo(self: mpm.TreeNode, arg0: int) → None¶: print Material field information.

class mpm.postProcess¶

For post-processing.

__init__(self: mpm.postProcess) → None¶

extractdemshape(self: mpm.postProcess, arg0: str) → None¶: extract data from dem shapes with a given file

extractdisrigid(self: mpm.postProcess, arg0: str) → None¶: extract data from rigid material points with a given file

extractpts(self: mpm.postProcess, arg0: str) → None¶: extract data from material points with a given file

extractptsPos(self: mpm.postProcess, arg0: str) → List[float]¶: extract particle positions from material points with a given file

property outputDir¶: the output directory for processed data

property sourceDir¶: the source directory for the input data