A massively parallel computational electrophysiology model of the heart

This paper presents a patient‐sensitive simulation strategy capable of using the most efficient way the high‐performance computational resources. The proposed strategy directly involves three different players: Computational Mechanics Scientists (CMS), Image Processing Scientists and Cardiologists,...

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Veröffentlicht in:International journal for numerical methods in biomedical engineering Jg. 27; H. 12; S. 1911 - 1929
Hauptverfasser: Vázquez, M., Arís, R., Houzeaux, G., Aubry, R., Villar, P., Garcia-Barnés, J., Gil, D., Carreras, F.
Format: Journal Article
Sprache:Englisch
Veröffentlicht: Chichester, UK John Wiley & Sons, Ltd 01.12.2011
Wiley
Schlagworte:
Applied sciences
Artificial intelligence
Biological and medical sciences
Computation
computational electrophysiology
Computer science; control theory; systems
Computer simulation
Computer systems and distributed systems. User interface
Electrophysiology
Exact sciences and technology
finite element methods
Focusing
Fundamental and applied biological sciences. Psychology
Heart
Mathematical analysis
Mathematical models
parallelization
Pattern recognition. Digital image processing. Computational geometry
Scientists
Simulation
Software
Strategy
Vertebrates: cardiovascular system
Human
High performance
Transient response
Parallel algorithm
Scalability
Computer simulation
Image processing
computational electrophysiology
Electrophysiology
Distributed computing
Modeling
Finite element method
finite element methods
Massive parallelism
Cardiology
Parallelization
Numerical algorithm
ISSN:2040-7939, 2040-7947, 2040-7947
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Beschreibung
Zusammenfassung:This paper presents a patient‐sensitive simulation strategy capable of using the most efficient way the high‐performance computational resources. The proposed strategy directly involves three different players: Computational Mechanics Scientists (CMS), Image Processing Scientists and Cardiologists, each one mastering its own expertise area within the project. This paper describes the general integrative scheme but focusing on the CMS side presents a massively parallel implementation of computational electrophysiology applied to cardiac tissue simulation. The paper covers different angles of the computational problem: equations, numerical issues, the algorithm and parallel implementation. The proposed methodology is illustrated with numerical simulations testing all the different possibilities, ranging from small domains up to very large ones. A key issue is the almost ideal scalability not only for large and complex problems but also for medium‐size meshes. The explicit formulation is particularly well suited for solving this highly transient problems, with very short time‐scale. Copyright © 2011 John Wiley & Sons, Ltd.
Bibliographie:istex:4EF1727E286850601AC958B301816383DBA0C86E
ark:/67375/WNG-WX6G3LGM-L
ArticleID:CNM1443
ObjectType-Article-1
SourceType-Scholarly Journals-1
ObjectType-Feature-2
content type line 23
ISSN:2040-7939
2040-7947
2040-7947
DOI:10.1002/cnm.1443