Technical Elements Documentation
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    Interface MechanisticSourceTermAnalysis

    Represents the technical element for 4.3.16 Mechanistic Source Term Analysis (MS).

    This technical element addresses the characterization of radiological releases to the environment.

    interface MechanisticSourceTermAnalysis {
        additionalMetadata?: {
            assumptions?: string[];
            eventSequenceQuantificationReferences?: {
                analysisId: string;
                date?: string;
                usageDescription: string;
                version?: string;
            }[];
            limitations?: string[];
            riskIntegrationReferences?: {
                analysisId: string;
                date?: string;
                usageDescription: string;
                version?: string;
            }[];
            traceability?: string;
        };
        commonAssumptions?: BaseAssumption[];
        created: string;
        description?: string;
        eventSequenceToReleaseCategoryMappings: EventSequenceToReleaseCategoryMapping[];
        modelUncertaintyDocumentation: MechanisticSourceTermModelUncertaintyDocumentation;
        modified: string;
        owner?: string;
        preOperationalAssumptionsDocumentation?: MechanisticSourceTermPreOperationalAssumptionsDocumentation;
        processDocumentation: MechanisticSourceTermProcessDocumentation;
        radioactiveSources: Record<
            string,
            mechanistic_source_term.RadioactiveSource,
        >;
        radionuclideTransportBarriers: Record<string, RadionuclideTransportBarrier>;
        references?: {
            description: string;
            technicalElementId: string;
            technicalElementType: TechnicalElementTypes;
        }[];
        releaseCategories: Record<
            mechanistic_source_term.ReleaseCategoryReference,
            ReleaseCategory,
        >;
        releaseCategoryBases: Record<
            mechanistic_source_term.ReleaseCategoryReference,
            ReleaseCategoryBasis,
        >;
        releasePhases: Record<string, ReleasePhase>;
        riskIntegrationDescription?: {
            feedbackIncorporation?: string;
            integrationChallenges?: string[];
            releaseCategoryUsage: string;
            sourceTermUsage: string;
            supportDescription: string;
            uncertaintyPropagation?: string;
        };
        riskIntegrationFeedback?: {
            analysisId: string;
            feedbackDate?: string;
            generalFeedback?: string;
            releaseCategoryFeedback?: Record<
                mechanistic_source_term.ReleaseCategoryReference,
                {
                    insights?: string[];
                    recommendations?: string[];
                    riskSignificance?: ImportanceLevel;
                    status?: "IN_PROGRESS"
                    | "PENDING"
                    | "ADDRESSED"
                    | "DEFERRED";
                },
            >;
            response?: {
                changes?: string[];
                description: string;
                status: "IN_PROGRESS"
                | "PENDING"
                | "COMPLETED";
            };
            sourceTermDefinitionFeedback?: Record<
                SourceTermDefinitionReference,
                {
                    insights?: string[];
                    keyUncertainties?: string[];
                    recommendations?: string[];
                    riskSignificance?: ImportanceLevel;
                    status?: "IN_PROGRESS"
                    | "PENDING"
                    | "ADDRESSED"
                    | "DEFERRED";
                },
            >;
        };
        sensitivityStudies: MechanisticSourceTermSensitivityStudy[];
        sourceTermDefinitions: Record<
            SourceTermDefinitionReference,
            SourceTermDefinition,
        >;
        sourceTermModels: Record<string, SourceTermModel>;
        status?: "DRAFT" | "APPROVED" | "REVIEW" | "DEPRECATED";
        tags?: string[];
        transportMechanisms: Record<string, TransportMechanism>;
        transportPhenomenaAnalysis: Record<string, TransportPhenomena>;
        type: MECHANISTIC_SOURCE_TERM_ANALYSIS;
        uncertaintyAnalyses: Record<
            string,
            MechanisticSourceTermUncertaintyAnalysis,
        >;
        version: string;
    }

    Hierarchy

    • TechnicalElement<TechnicalElementTypes.MECHANISTIC_SOURCE_TERM_ANALYSIS>
      • MechanisticSourceTermAnalysis
    Index

    Properties

    additionalMetadata? commonAssumptions? created description? eventSequenceToReleaseCategoryMappings modelUncertaintyDocumentation modified owner? preOperationalAssumptionsDocumentation? processDocumentation radioactiveSources radionuclideTransportBarriers references? releaseCategories releaseCategoryBases releasePhases riskIntegrationDescription? riskIntegrationFeedback? sensitivityStudies sourceTermDefinitions sourceTermModels status? tags? transportMechanisms transportPhenomenaAnalysis type uncertaintyAnalyses version

    Properties

    additionalMetadata?: {
        assumptions?: string[];
        eventSequenceQuantificationReferences?: {
            analysisId: string;
            date?: string;
            usageDescription: string;
            version?: string;
        }[];
        limitations?: string[];
        riskIntegrationReferences?: {
            analysisId: string;
            date?: string;
            usageDescription: string;
            version?: string;
        }[];
        traceability?: string;
    }

    Additional metadata specific to Mechanistic Source Term Analysis.

    Type declaration

    • Optionalassumptions?: string[]

      Mechanistic source term specific assumptions

    • OptionaleventSequenceQuantificationReferences?: {
          analysisId: string;
          date?: string;
          usageDescription: string;
          version?: string;
      }[]

      References to event sequence quantification results that provide input to this analysis. This provides traceability between technical elements.

    • Optionallimitations?: string[]

      Mechanistic source term specific limitations

    • OptionalriskIntegrationReferences?: {
          analysisId: string;
          date?: string;
          usageDescription: string;
          version?: string;
      }[]

      References to risk integration results that use this analysis. This provides traceability between technical elements.

    • Optionaltraceability?: string

      Traceability information

    commonAssumptions?: BaseAssumption[]

    Common assumptions that apply across this technical element Using the standardized BaseAssumption interface

    created: string

    The date the technical element was created

    description?: string

    The description of the technical element

    eventSequenceToReleaseCategoryMappings: EventSequenceToReleaseCategoryMapping[]

    Mappings of event sequences to release categories.

    MS-E1(c)

    modelUncertaintyDocumentation: MechanisticSourceTermModelUncertaintyDocumentation

    Documentation of model uncertainties in the mechanistic source term analysis.

    MS-C6

    MS-E3

    modified: string

    The date the technical element was last modified

    owner?: string

    The owner of the technical element

    preOperationalAssumptionsDocumentation?: MechanisticSourceTermPreOperationalAssumptionsDocumentation

    Documentation of pre-operational assumptions.

    MS-E4

    processDocumentation: MechanisticSourceTermProcessDocumentation

    Process documentation for the mechanistic source term analysis.

    MS-E1

    radioactiveSources: Record<string, mechanistic_source_term.RadioactiveSource>

    Characterization of the modeled sources of radioactive material and their inventories.

    MS-B1

    radionuclideTransportBarriers: Record<string, RadionuclideTransportBarrier>

    Assessment of radionuclide transport barriers. These barriers may reference barriers defined in the Plant Operating States module while adding mechanistic source term specific characteristics.

    MS-B2

    MS-B4

    references?: {
        description: string;
        technicalElementId: string;
        technicalElementType: TechnicalElementTypes;
    }[]

    References to other technical elements

    releaseCategories: Record<
        mechanistic_source_term.ReleaseCategoryReference,
        ReleaseCategory,
    >

    Definition of the set of release categories.

    MS-A1

    releaseCategoryBases: Record<
        mechanistic_source_term.ReleaseCategoryReference,
        ReleaseCategoryBasis,
    >

    Technical basis for the adequacy of release category definitions.

    MS-E1(b)

    releasePhases: Record<string, ReleasePhase>

    Release phases defined for various source terms.

    riskIntegrationDescription?: {
        feedbackIncorporation?: string;
        integrationChallenges?: string[];
        releaseCategoryUsage: string;
        sourceTermUsage: string;
        supportDescription: string;
        uncertaintyPropagation?: string;
    }

    Documentation of the integration with risk integration. Describes how this analysis is used in risk integration and how feedback is incorporated.

    Type declaration

    • OptionalfeedbackIncorporation?: string

      How feedback from risk integration is incorporated

    • OptionalintegrationChallenges?: string[]

      Challenges in integrating with risk integration

    • releaseCategoryUsage: string

      How release categories are used in risk integration

    • sourceTermUsage: string

      How source term definitions are used in risk integration

    • supportDescription: string

      Description of how this analysis supports risk integration

    • OptionaluncertaintyPropagation?: string

      How uncertainties are propagated to risk integration

    riskIntegrationFeedback?: {
        analysisId: string;
        feedbackDate?: string;
        generalFeedback?: string;
        releaseCategoryFeedback?: Record<
            mechanistic_source_term.ReleaseCategoryReference,
            {
                insights?: string[];
                recommendations?: string[];
                riskSignificance?: ImportanceLevel;
                status?: "IN_PROGRESS"
                | "PENDING"
                | "ADDRESSED"
                | "DEFERRED";
            },
        >;
        response?: {
            changes?: string[];
            description: string;
            status: "IN_PROGRESS"
            | "PENDING"
            | "COMPLETED";
        };
        sourceTermDefinitionFeedback?: Record<
            SourceTermDefinitionReference,
            {
                insights?: string[];
                keyUncertainties?: string[];
                recommendations?: string[];
                riskSignificance?: ImportanceLevel;
                status?: "IN_PROGRESS"
                | "PENDING"
                | "ADDRESSED"
                | "DEFERRED";
            },
        >;
    }

    Risk integration feedback received for this analysis. This field contains feedback from risk integration that should be considered in future revisions of the mechanistic source term analysis.

    Type declaration

    • analysisId: string

      ID of the risk integration analysis that provided the feedback

    • OptionalfeedbackDate?: string

      Date the feedback was received

    • OptionalgeneralFeedback?: string

      General feedback on the mechanistic source term analysis

    • OptionalreleaseCategoryFeedback?: Record<
          mechanistic_source_term.ReleaseCategoryReference,
          {
              insights?: string[];
              recommendations?: string[];
              riskSignificance?: ImportanceLevel;
              status?: "IN_PROGRESS"
              | "PENDING"
              | "ADDRESSED"
              | "DEFERRED";
          },
      >

      Feedback on release categories

    • Optionalresponse?: {
          changes?: string[];
          description: string;
          status: "IN_PROGRESS" | "PENDING" | "COMPLETED";
      }

      Response to the feedback

      • Optionalchanges?: string[]

        Changes made or planned in response to the feedback

      • description: string

        Description of how the feedback was or will be addressed

      • status: "IN_PROGRESS" | "PENDING" | "COMPLETED"

        Status of the response

    • OptionalsourceTermDefinitionFeedback?: Record<
          SourceTermDefinitionReference,
          {
              insights?: string[];
              keyUncertainties?: string[];
              recommendations?: string[];
              riskSignificance?: ImportanceLevel;
              status?: "IN_PROGRESS"
              | "PENDING"
              | "ADDRESSED"
              | "DEFERRED";
          },
      >

      Feedback on source term definitions

    sensitivityStudies: MechanisticSourceTermSensitivityStudy[]

    Sensitivity studies performed on source term parameters.

    MS-D2

    MS-E1(f)

    sourceTermDefinitions: Record<
        SourceTermDefinitionReference,
        SourceTermDefinition,
    >

    Definition of the source term for each modeled release category, including release characteristics and timing.

    MS-E2

    sourceTermModels: Record<string, SourceTermModel>

    Models and computer programs used in the development of source terms.

    MS-E1(e)

    status?: "DRAFT" | "APPROVED" | "REVIEW" | "DEPRECATED"

    The status of the technical element

    tags?: string[]

    Tags associated with the technical element

    transportMechanisms: Record<string, TransportMechanism>

    Assessment of transport mechanisms for each release category.

    MS-B3

    transportPhenomenaAnalysis: Record<string, TransportPhenomena>

    Identification of the relevant radionuclide transport phenomena for each release category.

    MS-C1

    MS-B5

    type: MECHANISTIC_SOURCE_TERM_ANALYSIS

    The type of technical element

    uncertaintyAnalyses: Record<string, MechanisticSourceTermUncertaintyAnalysis>

    Uncertainty analyses performed on the mechanistic source terms.

    MS-D1

    version: string

    The version of the technical element

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