49.8 CoupledThermalElectricStep object

The CoupledThermalElectricStep object is used to analyze problems where the electrical potential and temperature fields must be solved simultaneously.

The CoupledThermalElectricStep object is derived from the AnalysisStep object.

Access
import step
mdb.models[name].steps[name]


49.8.1 CoupledThermalElectricStep(...)

This method creates a CoupledThermalElectricStep object.

Path
mdb.models[name].CoupledThermalElectricStep

Required arguments

name

A String specifying the repository key.

previous

A String specifying the name of the previous step. The new step appears after this step in the list of analysis steps.

Optional arguments

description

A String specifying a description of the new step. The default value is an empty string.

response

A SymbolicConstant specifying the analysis type. Possible values are STEADY_STATE and TRANSIENT. The default value is TRANSIENT.

timePeriod

A Float specifying the total time period for the step. The default value is 1.0.

timeIncrementationMethod

A SymbolicConstant specifying the time incrementation method to be used. Possible values are FIXED and AUTOMATIC. The default value is AUTOMATIC.

maxNumInc

An Int specifying the maximum number of increments in a step. The default value is 100.

initialInc

A Float specifying the initial time increment. The default value is the total time period for the step.

minInc

A Float specifying the minimum time increment allowed. The default value is the smaller of the suggested initial time increment or 10–5 times the total time period.

maxInc

A Float specifying the maximum time increment allowed. The default value is the total time period for the step.

end

A SymbolicConstant specifying the time period to be analyzed in a transient analysis. Possible values are PERIOD and SS. The default value is PERIOD.

deltmx

A Float specifying the maximum temperature change to be allowed in an increment in a transient analysis. The default value is 0.0.

mxdem

A Float specifying the maximum allowable emissivity change with temperature and field variables during an increment. The default value is 0.1.

solutionTechnique

A SymbolicConstant specifying the type of solution technique. Possible values are FULL_NEWTON and SEPARATED. The default value is FULL_NEWTON.

matrixStorage

A SymbolicConstant specifying the type of matrix storage. Possible values are SYMMETRIC, UNSYMMETRIC, and SOLVER_DEFAULT. The default value is SOLVER_DEFAULT.

amplitude

A SymbolicConstant specifying the amplitude variation for loading magnitudes during the step. The default value is STEP. Possible values are STEP and RAMP.

extrapolation

A SymbolicConstant specifying the type of extrapolation to use in determining the incremental solution for a nonlinear analysis. Possible values are NONE, LINEAR, and PARABOLIC. The default value is LINEAR.

maintainAttributes

A Boolean specifying whether to retain attributes from an existing step with the same name. The default value is False.

convertSDI

A SymbolicConstant specifying whether to force a new iteration if severe discontinuities occur during an iteration. Possible values are PROPAGATED, CONVERT_SDI_OFF, and CONVERT_SDI_ON. The default value is PROPAGATED.

Return value

A CoupledThermalElectricStep object.

Exceptions

RangeError.


49.8.2 setValues(...)

This method modifies the CoupledThermalElectricStep object.

Required arguments

None.

Optional arguments

The optional arguments to setValues are the same as the arguments to the CoupledThermalElectricStep method, except for the name, previous, and maintainAttributes arguments.

Return value

None

Exceptions

RangeError.


49.8.3  Members

The CoupledThermalElectricStep object can have the following members:

name

A String specifying the repository key.

response

A SymbolicConstant specifying the analysis type. Possible values are STEADY_STATE and TRANSIENT. The default value is TRANSIENT.

timePeriod

A Float specifying the total time period for the step. The default value is 1.0.

timeIncrementationMethod

A SymbolicConstant specifying the time incrementation method to be used. Possible values are FIXED and AUTOMATIC. The default value is AUTOMATIC.

maxNumInc

An Int specifying the maximum number of increments in a step. The default value is 100.

initialInc

A Float specifying the initial time increment. The default value is the total time period for the step.

minInc

A Float specifying the minimum time increment allowed. The default value is the smaller of the suggested initial time increment or 10–5 times the total time period.

maxInc

A Float specifying the maximum time increment allowed. The default value is the total time period for the step.

end

A SymbolicConstant specifying the time period to be analyzed in a transient analysis. Possible values are PERIOD and SS. The default value is PERIOD.

deltmx

A Float specifying the maximum temperature change to be allowed in an increment in a transient analysis. The default value is 0.0.

mxdem

A Float specifying the maximum allowable emissivity change with temperature and field variables during an increment. The default value is 0.1.

solutionTechnique

A SymbolicConstant specifying the type of solution technique. Possible values are FULL_NEWTON and SEPARATED. The default value is FULL_NEWTON.

matrixStorage

A SymbolicConstant specifying the type of matrix storage. Possible values are SYMMETRIC, UNSYMMETRIC, and SOLVER_DEFAULT. The default value is SOLVER_DEFAULT.

amplitude

A SymbolicConstant specifying the amplitude variation for loading magnitudes during the step. The default value is STEP. Possible values are STEP and RAMP.

extrapolation

A SymbolicConstant specifying the type of extrapolation to use in determining the incremental solution for a nonlinear analysis. Possible values are NONE, LINEAR, and PARABOLIC. The default value is LINEAR.

convertSDI

A SymbolicConstant specifying whether to force a new iteration if severe discontinuities occur during an iteration. Possible values are PROPAGATED, CONVERT_SDI_OFF, and CONVERT_SDI_ON. The default value is PROPAGATED.

previous

A String specifying the name of the previous step. The new step appears after this step in the list of analysis steps.

description

A String specifying a description of the new step. The default value is an empty string.

explicit

A SymbolicConstant specifying whether the step has an explicit procedure type (procedureType=ANNEAL, DYNAMIC_EXPLICIT, or DYNAMIC_TEMP_DISPLACEMENT).

perturbation

A Boolean specifying whether the step has a perturbation procedure type.

nonmechanical

A Boolean specifying whether the step has a mechanical procedure type.

procedureType

A SymbolicConstant specifying the Abaqus procedure. Possible values are:

  • ANNEAL

  • BUCKLE

  • COMPLEX_FREQUENCY

  • COUPLED_TEMP_DISPLACEMENT

  • COUPLED_THERMAL_ELECTRIC

  • DIRECT_CYCLIC

  • DYNAMIC_IMPLICIT

  • DYNAMIC_EXPLICIT

  • DYNAMIC_SUBSPACE

  • DYNAMIC_TEMP_DISPLACEMENT

  • COUPLED_THERMAL_ELECTRICAL_STRUCTURAL

  • FLOW

  • FREQUENCY

  • GEOSTATIC

  • HEAT_TRANSFER

  • MASS_DIFFUSION

  • MODAL_DYNAMICS

  • RANDOM_RESPONSE

  • RESPONSE_SPECTRUM

  • SOILS

  • STATIC_GENERAL

  • STATIC_LINEAR_PERTURBATION

  • STATIC_RIKS

  • STEADY_STATE_DIRECT

  • STEADY_STATE_MODAL

  • STEADY_STATE_SUBSPACE

  • VISCO

suppressed

A Boolean specifying whether the step is suppressed or not. The default value is OFF.

fieldOutputRequestState

A repository of FieldOutputRequestState objects.

historyOutputRequestState

A repository of HistoryOutputRequestState objects.

diagnosticPrint

A DiagnosticPrint object.

monitor

A Monitor object.

restart

A Restart object.

adaptiveMeshConstraintStates

A repository of AdaptiveMeshConstraintState objects.

adaptiveMeshDomains

A repository of AdaptiveMeshDomain objects.

control

A Control object.

solverControl

A SolverControl object.

boundaryConditionStates

A repository of BoundaryConditionState objects.

interactionStates

A repository of InteractionState objects.

loadStates

A repository of LoadState objects.

loadCases

A repository of LoadCase objects.

predefinedFieldStates

A repository of PredefinedFieldState objects.


49.8.4  Corresponding analysis keywords

*COUPLED THERMAL-ELECTRICAL
*SOLUTION TECHNIQUE
*STEP