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Component-Based Geometry and Mesh Services for
Accelerator Modeling, Fusion Science, and Other SciDAC Applications
Timothy Tautges
Sandia National Laboratories
Hosted by Paul Fischer
3:00 PM, June 16, 2006
Building 221, Room A216
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Geometry and mesh play an important role in many classes of SciDAC
applications, from E&M calculations in accelerator modeling to fusion MHD
to radiation transport. For these applications, the accuracy which can be
obtained with today's massively parallel systems is often limited by the
fidelity of the geometry and mesh models compared to the actual domain
being modeled. Furthermore, advanced mesh and geometry capabilities are
difficult to incorporate into existing codes in a non-intrusive
fashion. The TSTT/ITAPS SciDAC center has developed common interfaces to
geometry and mesh, and services for mesh smoothing, geometry and mesh
modification, and adaptive mesh refinement components operating through
these interfaces. This presentation will describe the use of these components to support shape optimization of accelerator cavities,
high-fidelity Monte Carlo radiation transport modeling for ITER, and
adaptive mesh refinement for RIA (figure, lower right).
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