Mordicus.Modules.Safran.Containers.Loadings.Centrifugal module

class Mordicus.Modules.Safran.Containers.Loadings.Centrifugal.Centrifugal(solutionName, set)[source]

Bases: LoadingBase

Class containing a Loading of type centrifugal effects for mechanical problems.

rotationVelocityTimes

time values on which rotation velocity values are provided

Type

np.ndarray or list of floats

rotationVelocityValues

rotation velocity values at the corresponding time values

Type

np.ndarray or list of floats

center

np.ndarray of size 1, 2 or 3, containing the coordinates of the center of rotation

Type

np.ndarray

direction

np.ndarray of size 1, 2 or 3, containing the unit vector of direction of rotation

Type

np.ndarray

coefficient

coefficient multiplying the rotational velocity

Type

float

reducedUnitCentrifugalVector

np.ndarray of size (numberOfModes) containing the precomputed vector “red” for deriving the centrifugal reduced external forces contribution is the form: (coefficient*rotationVelocity)**2*red

Type

np.ndarray

ComputeContributionToReducedExternalForces(time)[source]

Computes and returns the reduced external forces contribution of the loading

Parameters

time (float) –

Returns

of size (numberOfModes,)

Return type

np.ndarray

GetRotationVelocityAtTime(time: float) → float[source]

Computes the rotationVelocity at time, using PieceWiseLinearInterpolation

Parameters

time (float) –

Returns

rotationVelocity at time

Return type

float

ReduceLoading(mesh, problemData, reducedOrderBases, operatorCompressionData=None)[source]

Computes and sets the reduced representation of the loading

Parameters

  • mesh (BasicTools.Containers.UnstructuredMesh) – mesh of the high-fidelity model

  • problemData (ProblemData) – problemData containing the loading

  • reducedOrderBases (dict(str: np.ndarray)) – dictionary with solutionNames (str) as keys and reducedOrderBases (np.ndarray of size (numberOfModes, numberOfDOFs)) as values

  • operatorCompressionData (dict(str: custom_data_structure)) – not used in this loading dictionary with solutionNames (str) as keys and data structure generated by the operator compression step as values

SetCenter(center)[source]

Sets center

Parameters

center (np.ndarray or list of floats) – coordinates of the center of rotation

SetCoefficient(coefficient)[source]

Sets coefficient

Parameters

coefficient (float) – coefficient multiplying the rotational velocity

SetDirection(direction)[source]

Sets direction

Parameters

direction (np.ndarray or list of floats) – unit vector of direction of rotation

SetRotationVelocity(rotationVelocity)[source]

Sets rotationVelocityTimes and rotationVelocityValues

Parameters

rotationVelocity (dict) – dictionary with time steps (float) as keys and the values of the rotation velocity (float)