SCHEDULE: NOV 12-18, 2011

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Visualizing Multiscale Simulation Data

SESSION: Research Poster Reception

EVENT TYPE: ACM Student Research Competition Poster, Poster, Electronic Poster

TIME: 5:15PM - 7:00PM

SESSION CHAIR: Bernd Mohr

AUTHOR(S):Joseph A. Insley, Leopold Grinberg, Michael E. Papka, George Karniadakis

ROOM:WSCC North Galleria 2nd/3rd Floors

ABSTRACT:
Accurately modeling many physical and biological systems requires simulating at multiple scales. This results in large and heterogeneous data sets on vastly differing scales, both physical and temporal. Analyzing and visually exploring such data sets poses major challenges. In this poster we look specifically at the example of blood flow in a patient-specific cerebrovasculature with a brain aneurysm, and analyze the interaction of platelets with the arterial walls that lead to thrombus formation. We describe here the visualization tools that were developed for exploring multiscale data. Specifically, we overview a) a custom ParaView reader plug-in that processes macro-scale continuum data in its native simulation format; and b) an adaptive proper orthogonal decomposition based technique for the analysis of non-stationary velocity fields from atomistic simulations. We also discuss how the ParaView parallel processing and rendering infrastructure was leveraged in the new tools.

Chair/Author Details:

Bernd Mohr (Chair) - Juelich Supercomputing Centre

Joseph A. Insley - Argonne National Laboratory

Leopold Grinberg - Brown University

Michael E. Papka - Argonne National Laboratory

George Karniadakis - Brown University

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