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In this thesis the simulation of wave plus current induced scour beneath a pipeline is simulated using a fully coupled hydrodynamic and morphological model in the OpenFoam environment. The hydrodynamics are simulated by solving the incom-pressible Reynolds averaged Navier-Stokes equations with a k − ω turbulence model for closure. Simulations of 80...
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Wave forces on two side-by-side boxes in close proximity under wave actions were analyzed using the OpenFOAM package. The upstream box heaved freely under wave actions, whereas the downstream box remained fixed. For comparison, a configuration in which both boxes were fixed was also considered. The effects of the heave motion of the upstream box on...
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The remoteness and extreme conditions of the Arctic make it a very difficult environment to investigate. In these regions, the wind has a substantial effect and redistributes a large part of the snow, which complicates precipitation estimates. Moreover, the snow mass balance in the sea ice system is still poorly understood, notably due to the compl...