Flood propagation The isolated building test case

Mo i Rana - September 2002

Flood propagation - UCL benchmark

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Flood propagationFlood propagationThe isolated building test caseThe isolated building test case

Université catholique de Louvain

Sandra Soares Frazão and Yves Zech

Mo i Rana - September 2002

Flood propagation - UCL benchmark

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The isolated building test The isolated building test casecase

• Experimental set-up– plane view

Mo i Rana - September 2002

Flood propagation - UCL benchmark

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The isolated building test The isolated building test casecase

• Experimental set-up– cross section in channel and reservoir

Mo i Rana - September 2002

Flood propagation - UCL benchmark

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The isolated building test The isolated building test casecase

• Experimental set-up– cross section at dam location

Mo i Rana - September 2002

Flood propagation - UCL benchmark

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The isolated building test The isolated building test casecase

• Experimental set-up– Location of the gauges

Mo i Rana - September 2002

Flood propagation - UCL benchmark

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The isolated building test The isolated building test casecase

• Physical characteristics– Manning friction coefficient : 0.01 s m-1/3

– Dam and building are impermeable– Upstream boundary condition : wall– Downstream boundary condition :

no influence during test duration

Mo i Rana - September 2002

Flood propagation - UCL benchmark

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The isolated building test The isolated building test casecase

• Preliminary experiments

Mo i Rana - September 2002

Flood propagation - UCL benchmark

8

The isolated building test The isolated building test casecase

• Preliminary experiments

Mo i Rana - September 2002

Flood propagation - UCL benchmark

9

The isolated building test The isolated building test casecase

• Preliminary experiments

Mo i Rana - September 2002

Flood propagation - UCL benchmark

10

The isolated building test The isolated building test casecase

• Existing measurements– Water level at gauging points

• Foreseen measurements– Velocity at gauging points– Surface-velocity by digital imaging– Pressure forces against building

Mo i Rana - September 2002

Flood propagation - UCL benchmark

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The isolated building test The isolated building test casecase

• Expected results– Water level and velocity at gauging

points– Snapshot of the flow

• water surface• velocity field• t = 1 s

5 s 10 s 20 s