Experimental investigation of two-dimensional dam-break induced flows

Bellos, C. V.; Soulis, V.; Sakkas, John G.

doi:10.1080/00221689209498946

Cited by 112 publications

(54 citation statements)

References 2 publications

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“…The time variation of water depth computed at gauging stations D1 (x = -8.5 m), D2 (x = -4 m), and D3 (x = 2.5 m) are compared with the experimental observations (Bellos et al, 1992) (Fig. 5(c)) also reveal that the present model improves the predictions on the peak of the dambreak wave and time to peak when comparing to those obtained from the FD numerical model.…”

Section: Example Calculations and Model Testing Dam-break Wave Propagmentioning

confidence: 70%

“…To examine the performance the developed 2-D overland flow model and its capability of handling flows on sloping surface with wet and dry interface, a case related to Bellos et al (1992) dam break experiments is simulated. The experimental domain with an asymmetric setup of converging-diverging channel and gauging stations are shown in Fig.…”

Section: Example Calculations and Model Testing Dam-break Wave Propagmentioning

confidence: 99%

“…4. A dam face is located at x = 0 m. A series of dam-break conditions were tested during the experiments (Bellos et al, 1992). The case with an upstream water depth of 0.3 m and downstream river bed dry was selected to be simulated in this study.…”

Section: Example Calculations and Model Testing Dam-break Wave Propagmentioning

confidence: 99%

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An object-oriented overland flow solver for watershed flood inundation predictions: case study of Ulus basin, Turkey

Turan

Wang

2014

Journal of Hydrology and Hydromechanics

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This paper presents an object-oriented two-dimensional (2-D) overland flow model and its application in simulating flood flows over Ulus basin, located in the north of Turkey adjacent to the Black Sea. A new coding implementation according to the class environment created in object oriented C++ programming language is carried out in structuring and building the solver. The model is based on the Godunov type finite volume scheme on unstructured triangular meshes. A mass balance preserving wet/dry boundary solution algorithm is integrated in the numerical scheme to satisfy the positive-depth condition and minimize the numerical instability when treating the propagation of wave front in regions of dry bed. The balance between bed slope and flux terms is also preserved for still water conditions on irregular topography. The 2-D solver is verified by simulating selected dam break cases, where good agreement with measured data is achieved. For the simulation of flood flows in the Ulus basin, in general, the simulated outflow hydrograph is found to compare well with the recorded data. A selected inundation map that is extracted from the model results is also presented to show the water surface level in the Floodplain.

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Section: Example Calculations and Model Testing Dam-break Wave Propagmentioning

confidence: 70%

Section: Example Calculations and Model Testing Dam-break Wave Propagmentioning

confidence: 99%

See 1 more Smart Citation

An object-oriented overland flow solver for watershed flood inundation predictions: case study of Ulus basin, Turkey

Turan

Wang

2014

Journal of Hydrology and Hydromechanics

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“…Bellos et al [31] carried out a series of dam break flow experiments. The flume was made a gradually converging-diverging plan shape to generate 2D effects.…”

Section: Dam Break Flow Over Fixed Bedmentioning

confidence: 99%

“…The dam was located at x =0 m, and instant and full break was accomplished by rapidly lifting the dam ( Figure 2). The Manning roughness was calibrated to be 0.012 s/m 1/3 [31]. The free outflow boundary condition is applied in the modelling.…”

Section: Dam Break Flow Over Fixed Bedmentioning

confidence: 99%

Coupled flood and sediment transport modelling with adaptive mesh refinement

Huang

Cao

Pender

et al. 2015

Sci. China Technol. Sci.

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Coupled flood and sediment transport modelling in large-scale domains has for long been hindered by the high computational cost. Adaptive mesh refinement is one of the viable ways to solving this problem without degrading the accuracy. This goal can be accomplished through mesh adaptation, e.g., mesh coarsening and refining based on the dynamic regime of the flow and sediment transport along with bed evolution. However, previous studies in this regard have been limited to cases either without involving sediment transport or featuring flow-sediment-bed decoupling and the assumption of sediment transport capacity, which are not generally justified. Here, a coupled hydrodynamic and non-capacity sediment transport model is developed on adaptive non-uniform rectangular mesh. The proposed model is validated against experimental tests and numerical results based on the fixed meshes. It is demonstrated that the proposed model can properly capture shock waves, resolve the wetting/drying transition and reproduce morphological evolution. Compared with models based on the fixed meshes, the proposed model features great advantage in computational efficiency and holds promise for wide applications.shallow water flow, sediment transport, adaptive mesh Citation:Huang W, Cao Z X, Pender G, et al. Coupled flood and sediment transport modelling with adaptive mesh refinement.

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Flux-corrected transport technique for open channel flow

Yost

Rao

1999

Int. J. Numer. Meth. Fluids

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Experimental investigation of two-dimensional dam-break induced flows

Cited by 112 publications

References 2 publications

An object-oriented overland flow solver for watershed flood inundation predictions: case study of Ulus basin, Turkey

An object-oriented overland flow solver for watershed flood inundation predictions: case study of Ulus basin, Turkey

Coupled flood and sediment transport modelling with adaptive mesh refinement

Flux-corrected transport technique for open channel flow

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