. Author manuscript; available in PMC: 2018 Jun 1.

Published in final edited form as: Funct Imaging Model Heart. 2017 May 23;10263:381–391. doi: 10.1007/978-3-319-59448-4_36

Table 2.

Exact (analytical) and computed (numerical) deformation invariants at peak systole including intra-slice torsion and displacement interpolation to FE nodes (Test 2).

	I₁	R₁	R₂	R₃	I₄	I₅
μ_an ± σ_an	3.46 ± 0.04	2.28 ± 0.05	0.58 ± 0.02	0.83 ± 0.13	0.80 ± 0.08	1.33 ± 0.19
μ_num ± σ_num	3.46 ± 0.05	2.28 ± 0.06	0.58 ± 0.02	0.84 ± 0.12	0.79 ± 0.05	1.31 ± 0.14
% error	0.04	0.02	−0.03	−1.50	1.10	1.36