Technical Elements Documentation
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    Interface SystemUncertaintyAnalysis

    Interface for system uncertainty analysis.

    SY-B4

    interface SystemUncertaintyAnalysis {
        ccfUncertainties?: {
            ccfGroupId: string;
            description: string;
            impact: string;
        }[];
        modelUncertainties: {
            description: string;
            impact: string;
            isQuantified: boolean;
            treatmentApproach: string;
            uncertaintyId: string;
        }[];
        numberOfSamples?: number;
        parameterUncertainties: {
            associatedComponent?: string;
            basis: string;
            distributionParameters: Record<string, number>;
            distributionType: DistributionType;
            parameterId: string;
        }[];
        propagationMethod: | "OTHER"
        | "MONTE_CARLO"
        | "LATIN_HYPERCUBE"
        | "ANALYTICAL";
        randomSeed?: number;
        sensitivityStudies?: SensitivityStudy[];
        successCriteriaUncertainties?: {
            criterionId: string;
            description: string;
            impact: string;
        }[];
        system: systems_analysis.SystemReference;
    }

    Hierarchy (View Summary)

    Index

    Properties

    ccfUncertainties? modelUncertainties numberOfSamples? parameterUncertainties propagationMethod randomSeed? sensitivityStudies? successCriteriaUncertainties? system

    Properties

    ccfUncertainties?: { ccfGroupId: string; description: string; impact: string }[]

    Common cause failure model uncertainties.

    Type declaration

    • ccfGroupId: string

      CCF group ID

    • description: string

      Description of the uncertainty

    • impact: string

      Impact on system reliability

    modelUncertainties: {
        description: string;
        impact: string;
        isQuantified: boolean;
        treatmentApproach: string;
        uncertaintyId: string;
    }[]

    Model uncertainties considered The concept of identifying, describing, and defining the treatment approach for model uncertainties is relevant across various technical elements of a PRA.

    Type declaration

    • description: string

      Description of the uncertainty

    • impact: string

      Impact on the model

    • isQuantified: boolean

      Whether the uncertainty is quantified

    • treatmentApproach: string

      How the uncertainty is addressed

    • uncertaintyId: string

      Uncertainty ID

    numberOfSamples?: number

    Number of samples if using simulation Specific to simulation-based propagation methods (like Monte Carlo and Latin Hypercube) and is a general parameter for such methods.

    parameterUncertainties: {
        associatedComponent?: string;
        basis: string;
        distributionParameters: Record<string, number>;
        distributionType: DistributionType;
        parameterId: string;
    }[]

    Parameter uncertainties specific to this system.

    Type declaration

    • OptionalassociatedComponent?: string

      Component or failure mode this parameter is associated with

    • basis: string

      Basis for the distribution

    • distributionParameters: Record<string, number>

      Distribution parameters

    • distributionType: DistributionType

      Distribution type

    • parameterId: string

      Parameter name or ID

    propagationMethod: "OTHER" | "MONTE_CARLO" | "LATIN_HYPERCUBE" | "ANALYTICAL"

    Uncertainty propagation method Defines the method used to propagate uncertainty, which is a general concept applicable across different types of uncertainty analysis within a PRA.

    randomSeed?: number

    Seed value for random number generator if using simulation Used in simulation-based uncertainty propagation to ensure reproducibility or to control the random number generation process.

    sensitivityStudies?: SensitivityStudy[]

    Sensitivity studies for unquantified uncertainties Sensitivity analysis is a general technique used to assess the impact of parameter variations or uncertainties on the results of an analysis.

    successCriteriaUncertainties?: {
        criterionId: string;
        description: string;
        impact: string;
    }[]

    Uncertainty in system success criteria.

    Type declaration

    • criterionId: string

      Success criterion ID

    • description: string

      Description of the uncertainty

    • impact: string

      Impact on system reliability

    system: systems_analysis.SystemReference

    The system being analyzed.

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