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GridSFEA - Grid-based Simulation Framework for Engineering Applications

 
In challenging engineering problems, such as planning and design of large constructions, often occur different tasks engineers have to tackle by numerical simulations. Such are computing the stability of the structure by statics simulations, investigating the air flow inside or around the construction with fluid dynamics simulation, or improving the ergonomics of the building by traffic simulations. Automating the information interchange among such processes is an extremely important task in their integration. Moreover, when the processes are either physically distributed or belong to different research communities, grid technologies seem to be the best choice for tackling the integration.

The GridSFEA framework aims to provide in grid environments different engineering simulation tasks, such as CFD, CSD or molecular dynamics simulations. It is based on Globus Toolkit 4 and currently contains on the grid side WSRF-based services for computationally intensive tasks, such as efficiently solving on supercomputers large sparse systems of linear equations. Our focus is the design and development of grid-based solutions for the HPC applications available at our chair. The framework also includes the GridSFEA portal Grid Simulations@SCCS, based on OGCE2 portal generator. The portal allows the grid users to transfer files to/from the grid, to submit simulation jobs to our grid test-bed installation, to monitor their status. Specialized portlets make possible the easy development of classification algorithms based on sparse grids methods and convenient remote execution of CFD simulations.

Examples of engineering applications currently available in GridSFEA
CFD tool (F3F) for the simulation of 3D flows in complex geometries. The picture shows the shapshot of a simulation of the Drift Ratchet with GridSFEA.
Development of classification algorithms based on the sparse grids technology. The picture shows the results of the classification of the Ripley data set and a snapshot of GridSFEA's Sparse Grids Classification Portlet.
Molecular dynamics tool for the simulation of scenarios with millions of molecules. The picture shows the shapshot of a cluster formation simulation computed with GridSFEA.
 

7/26/2007   —   I. L. Muntean, muntean@in.tum.de