Visualizing multiscale, multiphysics simulation data: Brain blood flow
Accurately predicting many physical and biological systems requires modeling interactions of macroscopic and microscopic events. This results in large and heterogeneous data sets on vastly differing scales, both physical and temporal. The ability to use a single integrated tool for the visualization...
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| Vydané v: | 2011 IEEE Symposium on Large Data Analysis and Visualization s. 3 - 7 |
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| Hlavní autori: | , , |
| Médium: | Konferenčný príspevok.. |
| Jazyk: | English |
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IEEE
01.10.2011
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| ISBN: | 9781467301565, 1467301566 |
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| Abstract | Accurately predicting many physical and biological systems requires modeling interactions of macroscopic and microscopic events. This results in large and heterogeneous data sets on vastly differing scales, both physical and temporal. The ability to use a single integrated tool for the visualization of multiscale simulation data is important to understanding the effects that events at one scale have on events in the other. In the case of blood flow, we examine how the large-scale flow patterns influence blood cell behavior. In this paper we describe the visualization tools that were developed for data from coupled continuum - atomistic simulations. Specifically, we overview a) a custom ParaView reader plug-in that processes macro-scale continuum data computed by a high-order spectral element solver; and b) an adaptive proper orthogonal decomposition-based technique for the visualization of nonstationary velocity fields from atomistic simulations. We also discuss how the ParaView parallel processing and rendering infrastructure was leveraged in the new tools. We apply our methods to visualize multiscale data from coupled continuum-atomistic simulations of blood flow in a patient-specific cerebrovasculature with a brain aneurysm. |
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| AbstractList | Accurately predicting many physical and biological systems requires modeling interactions of macroscopic and microscopic events. This results in large and heterogeneous data sets on vastly differing scales, both physical and temporal. The ability to use a single integrated tool for the visualization of multiscale simulation data is important to understanding the effects that events at one scale have on events in the other. In the case of blood flow, we examine how the large-scale flow patterns influence blood cell behavior. In this paper we describe the visualization tools that were developed for data from coupled continuum - atomistic simulations. Specifically, we overview a) a custom ParaView reader plug-in that processes macro-scale continuum data computed by a high-order spectral element solver; and b) an adaptive proper orthogonal decomposition-based technique for the visualization of nonstationary velocity fields from atomistic simulations. We also discuss how the ParaView parallel processing and rendering infrastructure was leveraged in the new tools. We apply our methods to visualize multiscale data from coupled continuum-atomistic simulations of blood flow in a patient-specific cerebrovasculature with a brain aneurysm. |
| Author | Papka, M. E. Grinberg, L. Insley, J. A. |
| Author_xml | – sequence: 1 givenname: J. A. surname: Insley fullname: Insley, J. A. email: insley@mcs.anl.gov organization: Argonne Nat. Lab., Argonne, IL, USA – sequence: 2 givenname: L. surname: Grinberg fullname: Grinberg, L. email: lgrinb@dam.brown.edu – sequence: 3 givenname: M. E. surname: Papka fullname: Papka, M. E. email: papka@anl.gov organization: Argonne Nat. Lab., Argonne, IL, USA |
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| SubjectTerms | Aneurysm Biological system modeling Blood Brain modeling Computational modeling Data models Data visualization I.3.8 [Computer Applications]: Computer Graphics-Applications I.6 [Computing Methodologies]: Simulation and Modeling-applications J.2 [Computer Applications]: Physical Sciences and Engineering-Physics simulation output analysis |
| Title | Visualizing multiscale, multiphysics simulation data: Brain blood flow |
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