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Assistance au calage de modèles numériques en hydraulique ... - TEL

Assistance au calage de modèles numériques en hydraulique ... - TEL

Assistance au calage de modèles numériques en hydraulique ... - TEL

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CHAPITRE 4 MODÉLISATION DES CONNAISSANCESy Plan Data and ConceptualisationMo<strong>de</strong>l Set-up Calibration and Validation Simulation and Elem andtDescribe System andData AvailabilityConstruct Mo<strong>de</strong>lSpecify Stages inCalibration StrategySimulationsctivesProcess Raw DatacalibrationnoTest RunsCompletedbadSelect OptimisationMethodCheckSimulationsvailabilityirem<strong>en</strong>tsms ofce<strong>en</strong><strong>de</strong>ringnlan andtyesbadyesnoSuffici<strong>en</strong>tData?yesMo<strong>de</strong>l Structure andProcessesnos<strong>en</strong>sitivityanalysischooseMo<strong>de</strong>l ParametersoptimizationparametersSummarise ConceptualMo<strong>de</strong>l and AssumptionsNeed forAlternativeConceptualMo<strong>de</strong>ls?noProcess Mo<strong>de</strong>l StructureDataAssessSoundness ofConceptualisationyesspecifyobjectivefunctionchooseoptimizationmethodbadnoOKSpecify or UpdateCalibration + ValidationTargets and CriteriaReport and RevisitMo<strong>de</strong>l Study Plan (Mo<strong>de</strong>lSet-up)Review Mo<strong>de</strong>l Set-upand Calibration andValidation Planbad<strong>de</strong>fine stopcriteriayesDefine Stop CriteriaSelect CalibrationParametersParameterOptimisationyesAll CalibrationStagesCompleted?yesAssessSoundness ofCalibrationOKValidationAssessSoundness ofValidationnonononot OKnot OKnobadyesAnalyse and InteResultsAssessSoundness oSimulationyesUncertainty AnalySimulationReporting of Simu(incl. UncertainReview of SimulyesMo<strong>de</strong>l Study CloCo<strong>de</strong> SelectionReport and RevisitMo<strong>de</strong>l Study Plan(Conceptualisation)do parameteroptimizationOKUncertainty Analysis ofCalibration andValidationDocum<strong>en</strong>t Mo<strong>de</strong>l ScopecknoReviewConceptualisation not OK and analyseMo<strong>de</strong>l Set-up Planresidual yes errornot OKOKReport and RevisitMo<strong>de</strong>l Study Plan(Calibration + Validation)uncertaintyanalysisReview Calibration andValidation andSimulation PlanyesnoFig. 5. The five steps and 45 tasks of mo<strong>de</strong>lling process in the HarmoniQuA knowledge base.(a) En amont du projet, d’après van Waver<strong>en</strong>et al. (1999).d’après HARMONIQUA Consor-(b) Version finale du projet,tium (2004).FIG. 4.16 – Représ<strong>en</strong>tation <strong>de</strong> la tâche <strong>de</strong> <strong>calage</strong> <strong>au</strong> sein du projet HARMONIQUA. Dansla figure <strong>de</strong> droite, la flèche sortant vers la g<strong>au</strong>che est un retour vers la tâche Specify orUpdate Calibration + Validation Targets and Criteria <strong>de</strong> l’étape Mo<strong>de</strong>l Set-Up. La flècher<strong>en</strong>trant <strong>de</strong>puis la droite provi<strong>en</strong>t d’une décision ✭ bad ✮ par la tâche Assess Soundness ofSimulation <strong>de</strong> l’étape Simulation and Evaluation.111

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