Sökning: "Incompressible Flow"

Visar resultat 1 - 5 av 28 uppsatser innehållade orden Incompressible Flow.

  1. 1. On Control and stabilisation of floating wind platforms with the help of CFD analysis and the Magnus effect

    Master-uppsats, KTH/Numerisk analys, NA

    Författare :Georg Neumüller; [2017]
    Nyckelord :;

    Sammanfattning : With new technologies and possibilities arising both in the renewable energy sector as well as in the field of Computational Fluid Dynamics, this thesis describes the simulation of vortex- induced vibrations for floating wind turbine platforms. The aim is to control and stabilize floating wind platforms with the help of CFD and the Magnus effect. LÄS MER

  2. 2. High Density Simulation of Crowds with Groups in Real-Time

    Master-uppsats, KTH/Skolan för datavetenskap och kommunikation (CSC)

    Författare :Jack Shabo; [2017]
    Nyckelord :crowds; high density; groups; unilateral; LCP; swirl; streamline;

    Sammanfattning : To simulate crowds of people is of great social interest and is also believed to be useful when analyzing situations involving denser crowds. Many simulators seen over the years have however been struggling with simulating larger number of people, often due to a computationally expensive collision avoidance step. LÄS MER

  3. 3. Simulation of the Flow around a Semi-Submersible using CFD

    H-uppsats, Chalmers tekniska högskola/Institutionen för sjöfart och marin teknik

    Författare :Jonathan Eriksson; [2017]
    Nyckelord :CFD; OpenFOAM; Fluent; semi-submersible; wind tunnel; current loads;

    Sammanfattning : The application of Computational Fluid Dynamics (CFD) is almost taken for grantedwithin sectors of engineering dealing with fluid flows. However, its usage within theoffshore sector is still limited, primarily due to the large computational times necessaryfor solving complete sea states. LÄS MER

  4. 4. Aerodynamic performance of a wind-turbine rotor by means of OpenFOAM

    Master-uppsats, KTH/Mekanik

    Författare :Evangelos Giannopoulos; [2017]
    Nyckelord :wind turbine; rotor; performance; CFD model; boundary layer; roughness;

    Sammanfattning : In order for wind-farm operators to deal with challenges regarding their fleet management, it is useful for them to estimate their units’ performance for different conditions. To perform such estimations, Computational Fluid Dynamics (CFD) may be used. LÄS MER

  5. 5. Numerical Study on Seepage-induced Failure of Caisson Type Breakwaters Using a Stabilized ISPH

    Master-uppsats, Lunds universitet/Avdelningen för Teknisk vattenresurslära

    Författare :Tetsuro Goda; [2017]
    Nyckelord :Tsunami; Breakwater; Particle method; SPH; Seepage flow; Technology and Engineering;

    Sammanfattning : This paper presents a stabilized incompressible smoothed particle hydrodynamics (ISPH) method to simultaneously simulate surface and seepage flow. The Navier-Stokes type equation, which manipulates the linear and nonlinear resistance effects caused from porous materials, are employed for tracking fluid motions in porous medium. LÄS MER

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