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IMPACT ~ Breach Formation (WP2)

IMPACT ~ Breach Formation (WP2) . Overview (4th IMPACT WS). Breach Formation The Problem to be Solved - AIMS. Problem to solve: The reliable prediction of breach formation (and hence potential: flood hydrograph / flood risk breach size Approach to identifying potential breach location.

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IMPACT ~ Breach Formation (WP2)

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  1. IMPACT ~ Breach Formation (WP2) Overview (4th IMPACT WS)

  2. Breach Formation The Problem to be Solved - AIMS Problem to solve: • The reliable prediction of breach formation (and hence potential: • flood hydrograph / flood risk • breach size • Approach to identifying potential breach location

  3. Field Modelling 5-6m embankments 1:10 scale embankments Multi-partner Multi-model Lab Modelling Numerical Modelling Breach Formation The Approach The overall approach entails combining large scale field work, lab work and numerical model development / application. Desk / Data Analysis for Breach Location

  4. Breach Formation Work Programme Year 1: • 2 x 6m field tests in Norway • 9 x 0.6m lab tests at Wallingford • Widen numerical modelling team and integrate modelling programme with field and lab

  5. 10:25

  6. 11:27

  7. 12:23

  8. 13:05

  9. Breach Formation Work Programme Year 2: • 3 x 6m field tests in Norway • 13 x 0.6m lab tests at Wallingford • Numerical modelling integrates with field and lab modelling • Initiate breach location work (factors and methodology)

  10. Breach Formation Work Programme Year 3: • Finalising numerical modelling comparisons • Breach location (factors and methodology) • Application to combined risk assessment / uncertainty

  11. Breach Formation Direction of work: Analysis of this data permits: • Consideration of scaling differences between field and lab data • Comparison of controlled test results against observed field data • Objective performance assessment of multiple numerical models predicting breach formation • Base data for validation and model development

  12. Breach Formation Deliverables (Overview) Deliverables: • Field and lab data on breach formation • different geometries & materials • Comparison and development of breach models • various partner models • model interface for direct comparison • commercial products • Approach for identifying potential breach location ----------

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