Computational Fluid Dynamics of Wind and Water Waves for Environmental and Energy Applications

Abstract: 
<h3 class="red">Computational Fluid Dynamics of Wind and Water Waves for Environmental and Energy Applications</h3><p>These researchers use MSI computing resources to perform high-resolution simulations of wind and water wave flows using high-fidelity computational fluid dynamics. Water waves, wind, and their interactions are important to many applications, including atmosphere-ocean CO<sub>2</sub> exchange in the study of global climate change, offshore wind energy and wave energy, and the trajectory and fate of pollutants at water surface. &nbsp;Recently, the group has also received funding to study oil spills at sea and in the Great Lakes.</p><p>This research uses novel simulation methods developed in the group. Their in-house simulation codes include a high-order spectral method for waves and large-eddy simulation of wind turbulence on wave surface-fitted grid. The simulations resolve wave phases, a feature fundamentally distinct from and has a clear advantage over traditional approaches that are spectral and wave-phase-averaged, in which the wave phase information is lost. Because the flow physics are resolved in a more direct way and with much more details than in previous methods, this study will have a better chance to succeed.</p><p>The researchers perform simulations of the wind and wave fields, which involve massively parallel computing and datasets with unprecedented volumes and details. They will address the multi-scale wind and wave fluid dynamics through computations of ocean wave field at relatively large scales (100 km domain size, 5 m resolution for waves) and wind field at relatively small scales (2 km domain size, 2 m resolution for turbulence eddies). The big data from the simulations will establish a physical basis for the mechanistic study of the complex dynamic system of the ocean waves and wind.</p><p>Return to this PI&#39;s <a href="https://www.msi.umn.edu/pi/b00cbe59f4cdc429c57daa68f7b01729/10861">main page</a>.</p>
Group name: 
shenl