Search for dissertations about: "surface gravity waves"
Showing result 1 - 5 of 17 swedish dissertations containing the words surface gravity waves.
-
1. Introducing Surface Gravity Waves into Earth System Models
Abstract : Surface gravity waves alter the turbulence of the bottom atmosphere and the upper ocean. Accordingly, they can affect momentum flux, heat fluxes, gas exchange and atmospheric mixing. However, in most state-of-the-art Earth System Models (ESMs), surface wave influences are not fully considered or even included. READ MORE
-
2. Steady waves in local and nonlocal models for water waves
Abstract : We study the steady Euler equations for inviscid, incompressible, and irrotational water waves of constant density. The thesis consists of three papers. The first paper approaches the Euler equations through a famous nonlocal model equation for gravity waves, namely the Whitham equation. READ MORE
-
3. Waves and instabilities through the lens of asymptotic analysis
Abstract : Understanding the interaction of water waves with winds and marine currents is a fundamental problem in geophysical fluid dynamics. From the point of view of hydrodynamic stability, surface waves are regarded as perturbations of an inviscid parallel shear flow modeling the wind in the air and the current in the water. READ MORE
-
4. Wave Loads and Peak Forces on Moored Wave Energy Devices in Tsunamis and Extreme Waves
Abstract : Surface gravity waves carry enormous amounts of energy over our oceans, and if their energy could be harvested to generate electricity, it could make a significant contribution to the worlds power demand. But the survivability of wave energy devices in harsh operating conditions has proven challenging, and for wave energy to be a possibility, peak forces during storms and extreme waves must be studied and the devices behaviour understood. READ MORE
-
5. On Steady Water Waves and Their Properties
Abstract : Abstract: This thesis consists of four papers related to various aspects of steady water waves. Paper I: Deep-water waves with vorticity: symmetry and rotational behaviour. We show that for steady, periodic, and rotational gravity deep-water waves, a monotone surface profile between troughs and crests implies symmetry. READ MORE