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Annals of Biomedical Engineering

, Volume 28, Issue 7, pp 781–792 | Cite as

Three-Dimensional Stress and Strain in Passive Rabbit Left Ventricle: A Model Study

  • Frederick J. Vetter
  • Andrew D. McCulloch
Article

Abstract

To determine regional stress and strain distributions in rabbit ventricular myocardium, an anatomically detailed finite element model was used to solve the equations of stress equilibrium during passive filling of the left ventricle. Computations were conducted on a scalable parallel processing computer and performance was found to scale well with the number of processors used, so that stimulations previously requiring approximately 60 min were completed in just over 5 min. Epicardial strains from the model analysis showed good agreement (RMSE=0.007332) with experimental measurements when material properties were chosen such that cross fiber strain was more heterogeneous than fiber strain, which is also consistent with experimental observations in other species. © 2000 Biomedical Engineering Society.

PAC00: 8719Hh, 8719Rr, 8710+e

Ventricular mechanics Scalable parallel computation Finite element analysis 

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Copyright information

© Biomedical Engineering Society 2000

Authors and Affiliations

  • Frederick J. Vetter
    • 1
  • Andrew D. McCulloch
    • 1
  1. 1.Department of BioengineeringUniversity of California San DiegoSan Diego

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