Chen H, Guo X, Luo T, Kassab GS. A validated 3D microstructure-based constitutive model of coronary artery adventitia. J ApplPhysiol 121: 333–342, 2016. First published May 12, 2016; doi:10.1152/japplphysiol.00937.2015.—Equation 8 (and related text) should appear as follows: (8) where wi(e) is the SEF of individual fibers as a function of fiber strain e. It should be noted that radially oriented elastin and collagen fibers are not engaged under inflation-extension condition, where they are compressed and bear no loads, and only planar fibers contribute to mechanical behavior of the adventitia. Thus i() is a planar orientation distribution density function of fiber i, and is the angle between the fiber orientation and the circumferential direction of the vessel . i() satisfies the normalization criterion .
Equations 10 and 11 should appear as follows: (10) (11)
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