Video Demonstration

  • Flood Analysis with a Levee break of Kinu River, Japan

    Flood Analysis with a Levee break of Kinu River, Japan

    Flood Analysis with a Levee break of Kinu River, Japan by Nays2DFlood solver.

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  • Flow Simulation using iRIC at Oiran Buchi in the Toyohira River

    Flow Simulation using iRIC at Oiran Buchi in the Toyohira River

    Flow Simulation using iRIC at Oiran Buchi in the Toyohira River

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  • Myanmar2015Flood-1

    Myanmar2015Flood-1

    Inundation simulation for Myanmar2015Flood-1

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  • Myanmar2015Flood-2

    Myanmar2015Flood-2

    Inundation simulation for Myanmar2015Flood by Nays2DFlood

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  • Russian River

    Russian River

    Pottential change in channel geometry in the floodplain connection on the Russian River, CA, USA

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  • Calculation of shallow water grid turbulence

    Calculation of shallow water grid turbulence

    Calculation of shallow water grid turbulence by Nays2D (Nays2DH)

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  • Inundation calculation

    Inundation calculation

    inundation of Chao Phraya River, Thai calculated by Nays2DFlood

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  • Coherent structures

    Coherent structures

    Vorticity contours and the coherent structures above a deformed bed by NaysEddy.

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  • Driftwood at a river bned with groins

    Driftwood at a river bned with groins

    Driftwood motion at a river bend with 3 submerged groins simulated with NaysCUBE.

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  • Flood calculation by using SRM and Nays2DFlood

    Flood calculation by using SRM and Nays2DFlood

    Flood calculation on Asahi River, Japan by using SRM (Runoff calculation solver) and Nays2DFlood (2D flood calculation solver).

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  • 3D flow at a river bend

    3D flow at a river bend

    Three-dimensional Spiral flow called "secondary current of first kind" simulated by NaysCUBE.

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  • fish ladder

    fish ladder

    Fish ladder simulation using "underpass" and "reversed periodic boundary condition (mirror periodic B.C.)" in NaysCUBE.

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  • Meandering compound channel flow

    Meandering compound channel flow

    Trapezoidal shaped compound meandering open channel flow simulated by NaysCUBE.

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  • mode of alternate bars (1)

    mode of alternate bars (1)

    B/H is different from mode of alternate bars (2)

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  • mode of alternate bars (2)

    mode of alternate bars (2)

    B/H is different from mode of alternate bars (1)

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  • Calculation of river confluence

    Calculation of river confluence

     

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  • Calculation of Karman vortex (1)

    Calculation of Karman vortex (1)

    Advection term : Upwind scheme

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  • Calculation of Karman vortex (2)

    Calculation of Karman vortex (2)

    Advection term : CIP scheme

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  • Dike break simulation of Otofuke River

    Dike break simulation of Otofuke River

     

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  • Calculation of meandering by  adaptive moving grid

    Calculation of meandering by adaptive moving grid

     

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  • Calculation of meandering with slope collapse analysis

    Calculation of meandering with slope collapse analysis

       

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  • Driftwood simulation

    Driftwood simulation

    Driftwood simulation module is a new function of Nays CUBE ver.3. This movie shows an example.

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