References:
Stevens C, Remme E, LeGrice I, Hunter PJ.
Ventricular mechanics in diastole: material parameter sensitivity.
J Biomechanics 2003; 36: 737-748.
Fenton FH, Cherry EM, Gray RA, Hastings HM, Evans SJ.
Fibrillation without alternans in porcine ventricles. Heart Rhythm 2005; 2 (Supplement): S301-S302.
One second of simulation takes 5 hours on a 96-processor Beowulf
(3GHz-Xeon processors) using a spatial resolution of 0.025 cm.