Variance Reduction

class mcnpy.CellImportances(*args, **kwargs)

Bases: CellImportances, VarianceReductionSetting

A representation of the model object CellImportances.

Parameters

• importances (iterable of float) – Importances for CellImportances.

• particles (iterable of mcnpy.Particle) – Particles for CellImportances.

class mcnpy.RussianRoulette(*args, **kwargs)

Bases: RussianRoulette, VarianceReductionSetting

A representation of the model object RussianRoulette.

Parameters

enabled (mcnpy.EBoolean) – Enabled for RussianRoulette.

class mcnpy.WeightWindow

Bases: object

class Bounds(*args, **kwargs)

Bases: WeightWindowBounds, VarianceReductionSetting

A representation of the model object WeightWindow.Bounds.

Parameters

• name (int) – Name for WeightWindow.Bounds.

• bounds (iterable of float) – Bounds for WeightWindow.Bounds.

• particles (iterable of mcnpy.Particle) – Particles for WeightWindow.Bounds.

class Energies(*args, **kwargs)

Bases: WeightWindowEnergies, VarianceReductionSetting

A representation of the model object WeightWindow.Energies.

Parameters

• max_energies (iterable of float) – MaxEnergies for WeightWindow.Energies.

• particles (iterable of mcnpy.Particle) – Particles for WeightWindow.Energies.

class Parameters(*args, **kwargs)

Bases: WeightWindowParameters, VarianceReductionSetting

A representation of the model object WeightWindow.Parameters.

Parameters

• particles (iterable of mcnpy.Particle) – Particles for WeightWindow.Parameters.

• split_above (float) – SplitAbove for WeightWindow.Parameters.

• max_survival (float) – MaxSurvival for WeightWindow.Parameters.

• max_integer_splits (int) – MaxintSplits for WeightWindow.Parameters.

• where (int) – Where for WeightWindow.Parameters.

• lower_weight_bounds (float) – LowerWeightBounds for WeightWindow.Parameters.

• energy_is_time (int) – EnergyIsTime for WeightWindow.Parameters.

• normalization (float) – Normalization for WeightWindow.Parameters.

• roulette_on_splits (int) – RouletteOnSplits for WeightWindow.Parameters.

• max_lower_bound (float) – MaxLowerBound for WeightWindow.Parameters.

• mfp_travel (int) – MfpTravel for WeightWindow.Parameters.

• j_split_above (str) – J_splitAbove for WeightWindow.Parameters.

• j_max_survival (str) – J_maxSurvival for WeightWindow.Parameters.

• j_max_integer_splits (str) – J_maxintSplits for WeightWindow.Parameters.

• j_where (str) – J_where for WeightWindow.Parameters.

• j_lower_weight_bounds (str) – J_lowerWeightBounds for WeightWindow.Parameters.

• j_energy_is_time (str) – J_energyIsTime for WeightWindow.Parameters.

• j_normalization (str) – J_normalization for WeightWindow.Parameters.

• j_roulette_on_splits (str) – J_rouletteOnSplits for WeightWindow.Parameters.

• j_max_lower_bound (str) – J_maxLowerBound for WeightWindow.Parameters.

• j_mfp_travel (str) – J_mfpTravel for WeightWindow.Parameters.

class Times(*args, **kwargs)

Bases: WeightWindowTimes, VarianceReductionSetting

A representation of the model object WeightWindow.Times.

Parameters

• max_times (iterable of float) – MaxTimes for WeightWindow.Times.

• particles (iterable of mcnpy.Particle) – Particles for WeightWindow.Times.

class mcnpy.WeightWindowGenerator(*args, **kwargs)

Bases: WeightWindowGenerator, VarianceReductionSetting

A representation of the model object WeightWindowGenerator.

Parameters

• tally (mcnpy.Tally) – Tally for WeightWindowGenerator.

• cell (mcnpy.Cell) – Cell for WeightWindowGenerator.

• cell_bound (float) – CellBound for WeightWindowGenerator.

• un_used1 (str) – UnUsed1 for WeightWindowGenerator.

• un_used2 (str) – UnUsed2 for WeightWindowGenerator.

• un_used3 (str) – UnUsed3 for WeightWindowGenerator.

• energy_is_time (int) – EnergyIsTime for WeightWindowGenerator.

• j_cell (str) – J_cell for WeightWindowGenerator.

• j_cell_bound (str) – J_cellBound for WeightWindowGenerator.

• j_energy_is_time (str) – J_energyIsTime for WeightWindowGenerator.

class Energies(*args, **kwargs)

Bases: WeightWindowGeneratorEnergies, VarianceReductionSetting

A representation of the model object WeightWindowGenerator.Energies.

Parameters

• max_energies (iterable of float) – MaxEnergies for WeightWindowGenerator.Energies.

• particles (iterable of mcnpy.Particle) – Particles for WeightWindowGenerator.Energies.

class Times(*args, **kwargs)

Bases: WeightWindowGeneratorTimes, VarianceReductionSetting

A representation of the model object WeightWindowGenerator.Times.

Parameters

• max_times (iterable of float) – MaxTimes for WeightWindowGenerator.Times.

• particles (iterable of mcnpy.Particle) – Particles for WeightWindowGenerator.Times.

class mcnpy.Mesh(*args, **kwargs)

Bases: Mesh, VarianceReductionSetting

A representation of the model object Mesh.

Parameters

• geometry (mcnpy.MeshGeometry) – Geometry for Mesh.

• reference (mcnpy.Point) – Reference for Mesh.

• origin (mcnpy.Point) – Origin for Mesh.

• axis (mcnpy.Point) – Axis for Mesh.

• vector (mcnpy.Point) – Vector for Mesh.

• i_nodes (iterable of float) – INodes for Mesh.

• i_subdivisions (iterable of int) – ISubdivisions for Mesh.

• j_nodes (iterable of float) – JNodes for Mesh.

• j_subdivisions (iterable of int) – JSubdivisions for Mesh.

• k_nodes (iterable of float) – KNodes for Mesh.

• k_subdivisions (iterable of int) – KSubdivisions for Mesh.

class mcnpy.EnergySplitting(*args, **kwargs)

Bases: EnergySplitting, VarianceReductionSetting

A representation of the model object EnergySplitting.

Parameters

• factors (iterable of float) – Factors for EnergySplitting.

• energies (iterable of float) – Energies for EnergySplitting.

• particles (iterable of mcnpy.Particle) – Particles for EnergySplitting.

class mcnpy.TimeSplitting(*args, **kwargs)

Bases: TimeSplitting, VarianceReductionSetting

A representation of the model object TimeSplitting.

Parameters

• factors (iterable of float) – Factors for TimeSplitting.

• times (iterable of float) – Times for TimeSplitting.

• particles (iterable of mcnpy.Particle) – Particles for TimeSplitting.

class mcnpy.CellExponentialTransforms(*args, **kwargs)

Bases: CellExponentialTransforms, VarianceReductionSetting

A representation of the model object CellExponentialTransforms.

Parameters

• exponential_transforms (iterable of mcnpy.ExponentialTransform) – ExponentialTransforms for CellExponentialTransforms.

• particles (iterable of mcnpy.Particle) – Particles for CellExponentialTransforms.

class mcnpy.Vectors(*args, **kwargs)

Bases: Vectors, VarianceReductionSetting

A representation of the model object Vectors.

class mcnpy.CellForcedCollisions(*args, **kwargs)

Bases: CellForcedCollisions, VarianceReductionSetting

A representation of the model object CellForcedCollisions.

Parameters

• which_particles (iterable of str) – WhichParticles for CellForcedCollisions.

• particles (iterable of mcnpy.Particle) – Particles for CellForcedCollisions.

class mcnpy.DeterministicTransport(*args, **kwargs)

Bases: DeterministicTransport, VarianceReductionSetting

A representation of the model object DeterministicTransport.

Parameters

• spheres (mcnpy.DXTSpheres) – Spheres for DeterministicTransport.

• cutoff (mcnpy.CutoffParams) – Cutoff for DeterministicTransport.

• particles (iterable of mcnpy.Particle) – Particles for DeterministicTransport.

class Sphere(*args, **kwargs)

Bases: DeterministicTransportSphere

A representation of the model object DeterministicTransport.Sphere.

Parameters

• x (float) – X for DeterministicTransport.Sphere.

• y (float) – Y for DeterministicTransport.Sphere.

• z (float) – Z for DeterministicTransport.Sphere.

• ri (float) – Ri for DeterministicTransport.Sphere.

• ro (float) – Ro for DeterministicTransport.Sphere.

class mcnpy.DetectorDiagnostics(*args, **kwargs)

Bases: DetectorDiagnostics, VarianceReductionSetting

A representation of the model object DetectorDiagnostics.

Parameters

• detector_diagnostic_criteria (iterable of float) – DetectorDiagnosticCriteria for DetectorDiagnostics.

• tally (int) – Tally for DetectorDiagnostics.

class mcnpy.CellDetectorContributions(*args, **kwargs)

Bases: CellDetectorContributions, VarianceReductionSetting

A representation of the model object CellDetectorContributions.

Parameters

• probabilities (iterable of float) – Probabilities for CellDetectorContributions.

• tally (mcnpy.Tally) – Tally for CellDetectorContributions.

class mcnpy.CellDeterministicContributions(*args, **kwargs)

Bases: CellDeterministicContributions, VarianceReductionSetting

A representation of the model object CellDeterministicContributions.

Parameters

• sphere (int) – Sphere for CellDeterministicContributions.

• probabilities (iterable of float) – Probabilities for CellDeterministicContributions.

• particles (iterable of mcnpy.Particle) – Particles for CellDeterministicContributions.

class mcnpy.BremsstrahlungBiasing(*args, **kwargs)

Bases: BremsstrahlungBiasing, VarianceReductionSetting

A representation of the model object BremsstrahlungBiasing.

Parameters

• bias_factor1 (float) – BiasFactor1 for BremsstrahlungBiasing.

• bias_factor2 (float) – BiasFactor2 for BremsstrahlungBiasing.

• bias_factor3 (float) – BiasFactor3 for BremsstrahlungBiasing.

• bias_factor4 (float) – BiasFactor4 for BremsstrahlungBiasing.

• bias_factor5 (float) – BiasFactor5 for BremsstrahlungBiasing.

• bias_factor6 (float) – BiasFactor6 for BremsstrahlungBiasing.

• bias_factor7 (float) – BiasFactor7 for BremsstrahlungBiasing.

• bias_factor8 (float) – BiasFactor8 for BremsstrahlungBiasing.

• bias_factor9 (float) – BiasFactor9 for BremsstrahlungBiasing.

• bias_factor10 (float) – BiasFactor10 for BremsstrahlungBiasing.

• bias_factor11 (float) – BiasFactor11 for BremsstrahlungBiasing.

• bias_factor12 (float) – BiasFactor12 for BremsstrahlungBiasing.

• bias_factor13 (float) – BiasFactor13 for BremsstrahlungBiasing.

• bias_factor14 (float) – BiasFactor14 for BremsstrahlungBiasing.

• bias_factor15 (float) – BiasFactor15 for BremsstrahlungBiasing.

• bias_factor16 (float) – BiasFactor16 for BremsstrahlungBiasing.

• bias_factor17 (float) – BiasFactor17 for BremsstrahlungBiasing.

• bias_factor18 (float) – BiasFactor18 for BremsstrahlungBiasing.

• bias_factor19 (float) – BiasFactor19 for BremsstrahlungBiasing.

• bias_factor20 (float) – BiasFactor20 for BremsstrahlungBiasing.

• bias_factor21 (float) – BiasFactor21 for BremsstrahlungBiasing.

• bias_factor22 (float) – BiasFactor22 for BremsstrahlungBiasing.

• bias_factor23 (float) – BiasFactor23 for BremsstrahlungBiasing.

• bias_factor24 (float) – BiasFactor24 for BremsstrahlungBiasing.

• bias_factor25 (float) – BiasFactor25 for BremsstrahlungBiasing.

• bias_factor26 (float) – BiasFactor26 for BremsstrahlungBiasing.

• bias_factor27 (float) – BiasFactor27 for BremsstrahlungBiasing.

• bias_factor28 (float) – BiasFactor28 for BremsstrahlungBiasing.

• bias_factor29 (float) – BiasFactor29 for BremsstrahlungBiasing.

• bias_factor30 (float) – BiasFactor30 for BremsstrahlungBiasing.

• bias_factor31 (float) – BiasFactor31 for BremsstrahlungBiasing.

• bias_factor32 (float) – BiasFactor32 for BremsstrahlungBiasing.

• bias_factor33 (float) – BiasFactor33 for BremsstrahlungBiasing.

• bias_factor34 (float) – BiasFactor34 for BremsstrahlungBiasing.

• bias_factor35 (float) – BiasFactor35 for BremsstrahlungBiasing.

• bias_factor36 (float) – BiasFactor36 for BremsstrahlungBiasing.

• bias_factor37 (float) – BiasFactor37 for BremsstrahlungBiasing.

• bias_factor38 (float) – BiasFactor38 for BremsstrahlungBiasing.

• bias_factor39 (float) – BiasFactor39 for BremsstrahlungBiasing.

• bias_factor40 (float) – BiasFactor40 for BremsstrahlungBiasing.

• bias_factor41 (float) – BiasFactor41 for BremsstrahlungBiasing.

• bias_factor42 (float) – BiasFactor42 for BremsstrahlungBiasing.

• bias_factor43 (float) – BiasFactor43 for BremsstrahlungBiasing.

• bias_factor44 (float) – BiasFactor44 for BremsstrahlungBiasing.

• bias_factor45 (float) – BiasFactor45 for BremsstrahlungBiasing.

• bias_factor46 (float) – BiasFactor46 for BremsstrahlungBiasing.

• bias_factor47 (float) – BiasFactor47 for BremsstrahlungBiasing.

• bias_factor48 (float) – BiasFactor48 for BremsstrahlungBiasing.

• bias_factor49 (float) – BiasFactor49 for BremsstrahlungBiasing.

• materials (iterable of mcnpy.Material) – Materials for BremsstrahlungBiasing.

class mcnpy.SecondaryParticleBiasing(*args, **kwargs)

Bases: SecondaryParticleBiasing, VarianceReductionSetting

A representation of the model object SecondaryParticleBiasing.

Parameters

• secondaries (str) – Secondaries for SecondaryParticleBiasing.

• pairs (iterable of float) – Pairs for SecondaryParticleBiasing.

• particles (iterable of mcnpy.Particle) – Particles for SecondaryParticleBiasing.

class mcnpy.CellPhotonWeights(*args, **kwargs)

Bases: CellPhotonWeights, VarianceReductionSetting

A representation of the model object CellPhotonWeights.

Parameters

photon_weights (iterable of float) – PhotonWeights for CellPhotonWeights.

class mcnpy.PhotonBias(*args, **kwargs)

Bases: PhotonBias, VarianceReductionSetting

A representation of the model object PhotonBias.

Parameters

• photon_zaid (iterable of str) – PhotonZaid for PhotonBias.

• bias_control (iterable of int) – BiasControl for PhotonBias.

• prod_pairs (iterable of mcnpy.PhotonBias.ReacPairs) – ProdPairs for PhotonBias.

class ReacPairs(*args, **kwargs)

Bases: ReacPairs

A representation of the model object PhotonBias.ReacPairs.

Parameters

• m_treaction_i_d (float) – MTreactionID for PhotonBias.ReacPairs.

• control (int) – Control for PhotonBias.ReacPairs.

class mcnpy.CutoffParams(*args, **kwargs)

Bases: CutoffParams

A representation of the model object CutoffParams.

Parameters

• upper_weight_cutoff (float) – UpperWeightCutoff for CutoffParams.

• lower_weight_cutoff (float) – LowerWeightCutoff for CutoffParams.

• min_photon_weight (float) – MinPhotonWeight for CutoffParams.

• j_upper_weight_cutoff (str) – J_upperWeightCutoff for CutoffParams.

• j_lower_weight_cutoff (str) – J_lowerWeightCutoff for CutoffParams.

• j_min_photon_weight (str) – J_minPhotonWeight for CutoffParams.

class mcnpy.DXTSpheres(*args, **kwargs)

Bases: DXTSpheres

A representation of the model object DXTSpheres.

Parameters

• sphere1 (mcnpy.DeterministicTransport.Sphere) – Sphere1 for DXTSpheres.

• sphere2 (mcnpy.DeterministicTransport.Sphere) – Sphere2 for DXTSpheres.

• sphere3 (mcnpy.DeterministicTransport.Sphere) – Sphere3 for DXTSpheres.

• sphere4 (mcnpy.DeterministicTransport.Sphere) – Sphere4 for DXTSpheres.

• sphere5 (mcnpy.DeterministicTransport.Sphere) – Sphere5 for DXTSpheres.

• sphere6 (mcnpy.DeterministicTransport.Sphere) – Sphere6 for DXTSpheres.

• sphere7 (mcnpy.DeterministicTransport.Sphere) – Sphere7 for DXTSpheres.

• sphere8 (mcnpy.DeterministicTransport.Sphere) – Sphere8 for DXTSpheres.

• sphere9 (mcnpy.DeterministicTransport.Sphere) – Sphere9 for DXTSpheres.

• sphere10 (mcnpy.DeterministicTransport.Sphere) – Sphere10 for DXTSpheres.

class mcnpy.ExponentialTransform(*args, **kwargs)

Bases: ExponentialTransform

A representation of the model object ExponentialTransform.

Parameters

• sign (str) – Sign for ExponentialTransform.

• magnitude (float) – Magnitude for ExponentialTransform.

• q (str) – Q for ExponentialTransform.

• axis (mcnpy.Axis) – Axis for ExponentialTransform.

• vector (mcnpy.Vector) – Vector for ExponentialTransform.