20100930
We describe computations performed using the Gerris code, an opensource software implementing finite volume solvers on an octree adaptive grid together with a piecewise linear volume of fluid interface tracking method. The parallelisation of Gerris is achieved by domain decomposition into a large number of grains (a "forest of tree" approach) followed by an optimized load balancing procedure. We show examples of the capabilities of Gerris on several types of problems. In particular the jet atomization problem is an extremely challenging computational problem, in which a large number of small scales are generated. We discuss the wave generation in atomization and compare the prediction of the various theories, including the OrrSommerfeld stability computation of Boeck and coworkers.
Category: CE SeminarTechnische Universität Darmstadt
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D64293 Darmstadt

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