11.5. 模块 mpmdem¶

11.5.1. 类预览¶

`CoupleAnalysis`	The MPM simulation by DEMPM
`SIMTYPEMASKCOUPLE`	Mask for simulation type in DEMPM

11.5.2. API函数¶

class mpmdem.CoupleAnalysis¶

基类：Analysis

The MPM simulation by DEMPM

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

NodesTemperature(self: mpmdem.CoupleAnalysis) → List[float]¶

PreAnalysis(self: mpmdem.CoupleAnalysis) → 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: mpmdem.CoupleAnalysis) → 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: mpmdem.CoupleAnalysis) → List[float]¶

PtsTemperatureRemapped(self: mpmdem.CoupleAnalysis) → List[float]¶

Run(*args, **kwargs)¶

Overloaded function.

Run(self: mpmdem.CoupleAnalysis) -> None

Run the simulation until reaching the tottime

Run(self: mpmdem.CoupleAnalysis, arg0: int) -> None

Run the simulation with n steps

RunPthread(self: mpmdem.CoupleAnalysis, arg0: int) → None¶: Run the simulation with n steps

property USL¶

__init__(self: mpmdem.CoupleAnalysis) → 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: mpmdem.CoupleAnalysis, *args) → object¶: get node by id.

getNodes(self: mpmdem.CoupleAnalysis) → list¶

getNonrPts(self: mpm.Analysis) → list¶

getNonrigidPts(self: mpmdem.CoupleAnalysis) → list¶

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

getRigidPts(self: mpmdem.CoupleAnalysis) → list¶

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

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

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

getTrElements(self: mpm.Analysis) → list¶

getTrNodes(self: mpm.Analysis) → list¶

property godem¶

property godemMatIndex¶

property grid¶

property hooks¶: getHooks setHooks

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

iter(self: mpmdem.CoupleAnalysis) → int¶: get the current time step

loadingRVEsfromGeodata(self: mpmdem.CoupleAnalysis, arg0: str) → None¶: loading RVEs from a geodata file.

loadingRVEsfromRVEfile(self: mpmdem.CoupleAnalysis, arg0: str) → None¶: loading RVEs from a RVE state file.

property mapOnce¶

property mats¶

property meltingTs¶: temperature threshold for bond strength (melting) when thermally-induced melting is considered.

property nrpts¶

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

printNodesTemperature(self: mpmdem.CoupleAnalysis) → None¶: print temperature at all nodes

printSimTypeMasks(self: mpmdem.CoupleAnalysis) → None¶: print simulation type masks

property ptreset¶: Flag to call particle reset engine

property ptresetperiod¶: Iter period for reset engine

property ptresetrvefile¶: State file RVE will be reset to

property ptresetsamerve¶: True: all rve shares the same rve reset state, False each particles resets its own state. The state file always has forat as: xxxx_id.gst, replace id by particle index

property ptresetstrain¶: Threshold of strain to reset pts

property rigidpts¶

property sdfengine¶

setGeostaticData(self: mpmdem.CoupleAnalysis, arg0: str) → None¶

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

setMethod(*args, **kwargs)¶

Overloaded function.

setMethod(self: mpmdem.CoupleAnalysis, arg0: int) -> None

mpm method

setMethod(self: mpmdem.CoupleAnalysis, arg0: int, arg1: bool) -> None

mpm method

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

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

setRvePath(self: mpmdem.CoupleAnalysis, arg0: str) → None¶: set path for import RVE state data

setTimeDt(self: mpmdem.CoupleAnalysis, 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: mpmdem.CoupleAnalysis) → None¶: use the contact algorithm

useNFGrid(self: mpmdem.CoupleAnalysis) → 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 mpmdem.SIMTYPEMASKCOUPLE¶

Mask for simulation type in DEMPM

Members:

MANAL : For mechanical analysis

NONSPHMANAL : For non-spherical particle

HYPOMANAL : For hyposphere particle

TANAL : For thermal analysis

HEATGEN : For heat generation

THERMALEXP : For thermal expansion

DEMCONDUCT : For thermal conduction

BONDMODEL : For bonded particle

BONDPLASTIC : For elastic bond

PHASEANAL : For phase transformation

BONDMODEL = SIMTYPEMASKCOUPLE.BONDMODEL¶

BONDPLASTIC = SIMTYPEMASKCOUPLE.BONDPLASTIC¶

DEMCONDUCT = SIMTYPEMASKCOUPLE.DEMCONDUCT¶

HEATGEN = SIMTYPEMASKCOUPLE.HEATGEN¶

HYPOMANAL = SIMTYPEMASKCOUPLE.HYPOMANAL¶

MANAL = SIMTYPEMASKCOUPLE.MANAL¶

NONSPHMANAL = SIMTYPEMASKCOUPLE.NONSPHMANAL¶

PHASEANAL = SIMTYPEMASKCOUPLE.PHASEANAL¶

TANAL = SIMTYPEMASKCOUPLE.TANAL¶

THERMALEXP = SIMTYPEMASKCOUPLE.THERMALEXP¶

__init__(self: mpmdem.SIMTYPEMASKCOUPLE, arg0: int) → None¶

property name¶