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In the context of high performance finite element analysis, the cost ofiteratively modifying a computational domain via re-meshing and restarting theanalysis becomes time prohibitive as the size of simulations increases. In thispaper, we demonstrate a new interactive simulation pipeline targeting highperformance finite element simulations where the computational domain ismodifiable in situ, that is, while the simulation is ongoing. This pipeline isdesigned to be modular so that it may interface with any existing finiteelement simulation framework. A server-client architecture is employed tomanage simulation mesh data existing on a high performance computing resourcewhile user-prescribed freeform geometric modifications take place on a separateworkstation. We employ existing in situ visualization techniques to rapidlyinform the user of simulation progression, enabling computational steering. Byexpressing the simulation domain in a reduced fashion on the clientapplication, this pipeline manages highly refined finite element simulationdomains on the server while maintaining good performance on the clientapplication.

Interactive Geometry Modification of High Performance Finite Element Simulations