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Validation Process, Accuracy and Uncertainty Quantification

BES-VUEM Validation Process, Accuracy and Uncertainty Quantification

Day 1
• Opening, Introduction, Scope and Content of the training
• History and Development of System Codes
• Features & Limitations of System Thermal-Hydraulic Codes: the Origins of the Uncertainty
• V&V Process for Computer Codes
• Overview of CSNI Separate and Integral Effects Test Facility Matrices for Validation of Best Estimate Thermal-Hydraulic Computer Codes
• Standardized Consolidated Calculated and Reference Experimental Database(SCCRED): a Supporting Tool for V&V and Uncertainty Evaluation of Best-Estimate System Codes for Licensing Applications
• PIRT Process and Establishment of a Validation Matrix


Day 2
• NINE Evaluation Model Methodology: “The Simulation Models Development and Validation” Module
• The Procedures for carrying-out the Validation Process
• Exercise 1: Simulation of LOBI LBLOCA test
   o a) Description of Facility and Experimental Test
   o b) Description of Simulation Model
   o c) Analysis of Results and Preparation of Validation Report


Day 3
• Exercise 2: Simulation of SPES LOFW test
   o a) Description of Facility and Experimental Test
   o b) Description of Simulation Model
   o c) Analysis of Results and Preparation of Validation Report
• How to quantify the Simulation Model Accuracy: the FFTBM method
• How to quantify the Simulation Model Accuracy: The χ2 Indicator of the Predictive Model Methodology


Day 4
• Exercise 3: FFTBM Application
• NINE Evaluation Model Methodology: “The qualification of the NPP Evaluation Model” Module
• The Kv Scaled Analysis
• Exercise 4: Kv Scaled Calculation:
   o a) the Reference NPP and the selected scenario
   o b) Selection of the ITF and associated Experiment
   o c) Scaling of the Boundary Conditions
   o d) Setting of the Initial Conditions and I&C system
   o e) Running and Analysis of the Kv Scaled calculation
   o f) Sensitivity Analysis of the Kv Scaled calculation


Day 5
• NINE Evaluation Model Methodology: “Uncertainty Quantification” Module
   o a) GRS Method for Uncertainty and Sensitivity Evaluation of Code Results and Applications
   o b) CIAU (Code with the capability of Internal Assessment of Uncertainty) Method for Uncertainty Evaluation of Code Results
   o c) The CASUALIDAD (Code with the capability of Adjoint Sensitivity and Uncertainty AnaLysis by Internal Data ADjustment and assimilation) method
• V&V Automation Software for Maximum Regulatory Transparency and Traceability
• Questions, Open Issues and Individual Consultations
• Closing of the training and release of the Certificate of Attendance