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  4. Verification of cardiac mechanics software: Benchmark problems and solutions for testing active and passivematerial behaviour
 
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Verification of cardiac mechanics software: Benchmark problems and solutions for testing active and passivematerial behaviour

Publikationstyp
Journal Article
Date Issued
2015-12-08
Sprache
English
Author(s)
Land, Sander  
Gurev, Viatcheslav  
Arens, Sander  
Augustin, Christoph M.  
Baron, Lukas  
Blake, Robert  
Bradley, Chris  
Castro, Sebastian  
Crozier, Andrew  
Favino, Marco  
Fastl, Thomas E.  
Fritz, Thomas  
Gao, Hao  
Gizzi, Alessio  
Griffith, Boyce E.  
Hurtado, Daniel E.  
Krause, Rolf  
Luo, Xiaoyu  
Nash, Martyn P.  
Pezzuto, Simone  
Plank, Gernot  
Rossi, Simone  
Ruprecht, Daniel  orcid-logo
Seemann, Gunnar  
Smith, Nicolas P.  
Sundnes, Joakim  
Jeremy Rice, J.  
Trayanova, Natalia  
Wang, Dafang  
Wang, Zhinuo Jenny  
Niederer, Steven A.  
TORE-URI
http://hdl.handle.net/11420/10525
Journal
Proceedings of the Royal Society A: Mathematical, Physical and Engineering Sciences  
Volume
471
Issue
2184
Article Number
20150641
Citation
Proceedings of the Royal Society A: Mathematical, Physical and Engineering Sciences 471 (2184): 20150641 (2015-12-08)
Publisher DOI
10.1098/rspa.2015.0641
Scopus ID
2-s2.0-84956864422
Peer Reviewed
true
Models of cardiac mechanics are increasingly used to investigate cardiac physiology. These models are characterized by a high level of complexity, including the particular anisotropic material properties of biological tissue and the actively contracting material. A large number of independent simulation codes have been developed, but a consistent way of verifying the accuracy and replicability of simulations is lacking. To aid in the verification of current and future cardiac mechanics solvers, this study provides three benchmark problems for cardiac mechanics. These benchmark problems test the ability to accurately simulate pressure-Type forces that depend on the deformed objects geometry, anisotropic and spatially varying material properties similar to those seen in the left ventricle and active contractile forces. The benchmark was solved by 11 different groups to generate consensus solutions, with typical differences in higher-resolution solutions at approximately 0.5%, and consistent results between linear, quadratic and cubic finite elements as well as different approaches to simulating incompressible materials. Online tools and solutions are made available to allow these tests to be effectively used in verification of future cardiac mechanics software.
Subjects
Benchmark
Cardiac Mechanics
Verification
VVUQ
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