Sabine Richling

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By means of numerical simulations we investigate the photoevaporation of protostellar disks. Here we concentrate on the evolution of disks under the influence of an external Ly-man continuum radiation field. The morphological evolution is illustrated in detail for the case of a relatively massive disk exposed to a modest ionizing flux. Cometary tails(More)
We present theoretical continuum emission spectra (SED's), isophotal maps and line profiles for several models of photoevaporating disks at different orientations with respect to the observer. The hydrodynamic evolution of these models has been the topic of the two previous papers of this series. We discuss in detail the numerical scheme used for these(More)
We present a new performance model based on the roofline concept for the analysis and performance prediction of distributed computing clusters. The background for our performance modeling is the 28 km InfiniBand interconnection between two bwGRiD clusters each consisting of 140 compute nodes in day-to-day production use. The model is used to analyze the MPI(More)
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