Download Cardiovascular Soft Tissue Mechanics by Gerhard A. Holzapfel, Thomas C. Gasser (auth.), Stephen C. PDF

By Gerhard A. Holzapfel, Thomas C. Gasser (auth.), Stephen C. Cowin, Jay D. Humphrey (eds.)

This precise quantity of the magazine of Elasticity represents the 1st in a brand new p- gram devoted to the occasional booklet of collections of invited, reviewed papers of topical curiosity. the aim of this software is to focus on the dev- opments and functions within the mechanics of fabrics inside particular parts that could improve progress and supply perception for the development of the sector in addition to advertise primary knowing and uncomplicated discovery. gentle Tissue Mechanics is a space of biomechanics that attracts seriously upon f- damental principles and fabric types from nonlinear elasticity and viscoelasticity. an immense aim of this learn is to appreciate these mechanics houses of middle, artery, collagen and skeletal muscles that may be used for the prognosis of illnesses and the advance of human existence. This quantity illustrates how scan, modeling and computation is at the moment hired during this rising box. might 2001 ROGER FOSDICK Editor-in-Chief magazine of Elasticity sixty one: ix–xii, 2000. ix Preface There are basic components for the applying of elasticity within the biomechanics of tissues: tough tissue mechanics (e.g., bone, the teeth, horns, etc.) and tender tissue - chanics (e.g., pores and skin, tendons, arteries, etc.). The distinguishing function among those tissue varieties is the volume of physiological “normal” deformation they adventure. whereas “hard” tissues simply adventure small deformations, gentle tissues normally adventure huge deformations. From a biomechanics point of view tender tissues fall in the realm of finite elasticity.

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24 (1969) 1–8. A. Rachev, Theoretical study of the effect of stress-dependent remodeling on arterial geometry under hypertensive conditions. J Biomech. 30 (1997) 819–827. A. Rachev and K. Hayashi, Theoretical study of the effects of vascular smooth muscle contraction on strain and stress distributions in arteries. Ann. Biomed. Engr. 27 (1999) 459–468. G. Rhodin, Architecture of the vessel wall. V. F. D. R. Geiger (eds), Handbook of Physiology, The Cardiovascular System, Vol. 2, American Physiologial Society, Bethesda, Maryland (1980), pp.

21 ARTERIAL WALL MECHANICS pressure and the angle of twist are varied within the ranges These loadings are applied at fixed axial stretches of the artery varying between and The predicted response is in good qualitative agreement with the experimentally observed mechanical behavior of arteries; see, for example, the survey article [32] or compare with the (rare) data on shear tests of arteries provided in [12]. With the potential (33) the typical stiffening effect at high pressures can be replicated, as can be seen in Figure 5(a).

Fung, Biomechanics: Mechanical Properties of Living Tissue, 2nd edn, Springer-Verlag, New York (1993). C. Fung, K. Fronek and P. Patitucci, Pseudoelasticity of arteries and the choice of its mathematical expression. Am. J. Physiol. 237 (1979) H620–H631. C. Q. Liu, Change of residual strains in arteries due to hypertrophy caused by aortic constriction. Circ. Res. 65 (1989) 1340–1349. C. A. Holzapfel, Rate-independent elastoplastic constitutive modeling of biological soft tissues: Part I. Continuum basis, algorithmic formulation and finite element implementation.

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