impact - wp4 dam-break induced floods and sediment movement
DESCRIPTION
IMPACT - WP4 Dam-break induced floods and sediment movement. Debris flow : research programme. Experiments : acting forces (UDT) Uniform material Months 1-18 Graded material Months 18-32. BM UDT ?. BM UCL 2. Near-field dam break : programme. Experiments: uniform material (UCL) - PowerPoint PPT PresentationTRANSCRIPT
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Mo-i-Rana - September 2002
Dam-break floods and sediment movement
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IMPACT - WP4IMPACT - WP4
Dam-break inducedDam-break induced floodsfloodsand sediment movementand sediment movement
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Mo-i-Rana - September 2002
Dam-break floods and sediment movement
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Debris flow : research programmeDebris flow : research programme
• Experiments : acting forces (UDT)– Uniform material
• Months 1-18
– Graded material• Months 18-32
BM UDT ?
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Mo-i-Rana - September 2002
Dam-break floods and sediment movement
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Near-field dam break : programmeNear-field dam break : programme
• Experiments: uniform material (UCL)– Same bed levels
• Months 1-9
– Initial step in bed levels• Months 1-9
BM UCL 2
BM UCL 1
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Mo-i-Rana - September 2002
Dam-break floods and sediment movement
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Near-field dam break : programmeNear-field dam break : programme
• Mathematical modelling (UCL)– 1D model: months 1-6
– 2D-V model: months 21-32BM UCL 3
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Mo-i-Rana - September 2002
Dam-break floods and sediment movement
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Near-field : research programmeNear-field : research programme
• Validation of codes (UDT, UCL, Cem)– Uniform debris flow (to be clarified)
• Months 11-12
BM UDT ?
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Mo-i-Rana - September 2002
Dam-break floods and sediment movement
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Near-field : research programmeNear-field : research programme
• Validation of codes (UDT, UCL, Cem)– 1D dam-break flow in the near field
• Months 11-12
– 2D-V dam-break flow• Months 34-35
BM UCL 2BM UCL 1
BM UCL 3
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Mo-i-Rana - September 2002
Dam-break floods and sediment movement
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Far field : research programmeFar field : research programme
• Laboratory experiments– Dam-break in an initially prismatic valley
(UCL)• Uniform material• Graded material
• Months 13-20
BM UCL 4
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Mo-i-Rana - September 2002
Dam-break floods and sediment movement
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Far field : research programmeFar field : research programme
• Laboratory experiments– Large-scale model (Châtelet)
• Prismatic valley• Enlargement
• Months 24-31
BM Chat
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Mo-i-Rana - September 2002
Dam-break floods and sediment movement
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Far field : research programmeFar field : research programme
• Field experiments– Norwegian dam (SG)
• Geomorphic survey (to be checked)
• Months 9-12 and 19-21
BM Norway
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Mo-i-Rana - September 2002
Dam-break floods and sediment movement
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Far field : research programmeFar field : research programme
• Numerical modelling– Extension of 2D-H model (UCL)
• Bank erosion
• Months 12-20 50°
37°
85°
Vbank
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Mo-i-Rana - September 2002
Dam-break floods and sediment movement
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Far field : research programmeFar field : research programme
• Validation (UCL, UDT, Cemagref, IST)– Laboratory tests
• Prismatic valley (UCL)• Enlargement (Châtelet)
BM UCL 4 BM Chat
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Mo-i-Rana - September 2002
Dam-break floods and sediment movement
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Far field : research programmeFar field : research programme
• Validation (UCL, UDT, Cemagref, IST)– Field tests
• WP2 Norwegian dam ?• Lake Ha!Ha!
• Months 33-35
BM Ha!Ha!
BM Norway
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Mo-i-Rana - September 2002
Dam-break floods and sediment movement
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Benchmark summaryBenchmark summary
• Near field
• Far field
BM Ha!Ha!
BM Norway
BM UCL 4
BM Chat
BM UCL 3BM UCL 2BM UCL 1
BM UDT ?