Technical Elements Documentation
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    Interface MechanisticSourceTermUncertaintyAnalysis

    Extends the base uncertainty analysis with mechanistic source term specific aspects.

    MS-D1

    interface MechanisticSourceTermUncertaintyAnalysis {
        documentationOfResults?: string;
        modelUncertainties: {
            description: string;
            impact: string;
            isQuantified: boolean;
            treatmentApproach: string;
            uncertaintyId: string;
        }[];
        numberOfSamples?: number;
        propagationMethod: | "OTHER"
        | "MONTE_CARLO"
        | "LATIN_HYPERCUBE"
        | "ANALYTICAL";
        quantificationMethod?: {
            methodDescription: string;
            methodJustification?: string;
        };
        randomSeed?: number;
        releaseFractionUncertainties?: {
            description: string;
            distributionType: DistributionType;
            parameters: Record<string, number>;
            radionuclide: string;
        }[];
        sensitivityStudies?: SensitivityStudy[];
        sourceTermReference?: SourceTermDefinitionReference;
        transportPhenomenaUncertainties?: {
            description: string;
            distributionType?: DistributionType;
            impact: string;
            parameters?: Record<string, number>;
            phenomenon: string;
        }[];
        uncertaintyPropagationResults?: {
            confidenceIntervals?: {
                level: number;
                lowerBound: number;
                upperBound: number;
            }[];
            description: string;
            resultSummary: string;
        };
    }

    Hierarchy (View Summary)

    Index

    Properties

    documentationOfResults?: string

    Documentation of uncertainty and sensitivity analysis results

    MS-D4

    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.

    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.

    quantificationMethod?: {
        methodDescription: string;
        methodJustification?: string;
    }

    Method used to quantify uncertainty in the estimated source term

    Type declaration

    • methodDescription: string

      Description of the method used

    • OptionalmethodJustification?: string

      Justification for selecting this method

    MS-D2

    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.

    releaseFractionUncertainties?: {
        description: string;
        distributionType: DistributionType;
        parameters: Record<string, number>;
        radionuclide: string;
    }[]

    Uncertainties in release fractions or quantities

    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.

    sourceTermReference?: SourceTermDefinitionReference

    Reference to the source term or release category being analyzed

    transportPhenomenaUncertainties?: {
        description: string;
        distributionType?: DistributionType;
        impact: string;
        parameters?: Record<string, number>;
        phenomenon: string;
    }[]

    Uncertainties specific to transport phenomena

    uncertaintyPropagationResults?: {
        confidenceIntervals?: {
            level: number;
            lowerBound: number;
            upperBound: number;
        }[];
        description: string;
        resultSummary: string;
    }

    Results of uncertainty propagation