Cardiovascular soft tissue mechanics

259 Pages·2001·10.029 MB·English

by  Stephen C Cowin, Jay D Humphrey

CARDIOVASCULAR SOFT TISSUE MECHANICS
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Cardiovascular Soft
Tissue Mechanics
Edited by
STEPHEN C. COWIN
Department of Mechanical Engineering,
New York Center for
Biomedical Engineering,
The City College,
New York, U.S.A.
JAY D. HUMPHREY
Department of Biomedical Engineering,
Texas A&M University,
College Station, TX, U.S.A.
Reprintedfrom Journal of Elasticity, Vol. 61, Nos. 1–3 (2000)
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TABLE OF CONTENTS
Foreword vii
Preface ix–xii
GERHARD A. HOLZAPFEL, THOMAS C. GASSER and RAY W.
OGDEN / A New Constitutive Framework for Arterial Wall
Mechanics and a Comparative Study of Material Models 1–48
J.D. HUMPHREY and P.B. CANHAM / Structure, Mechanical Proper-
ties, and Mechanics of Intracranial Saccular Aneurysms 49–81
ALEXANDER RACHEV / A Model of Arterial Adaptation to Alter-
ations in Blood Flow 83–111
M. P. NASH and P. J. HUNTER / Computational Mechanics of the
Heart. From Tissue Structure to Ventricular Function 113–141
T.P. USYK, R. MAZHARI and A.D. McCULLOCH / Effect of Lami-
nar Orthotropic Myofiber Architecture on Regional Stress and
Strain in the Canine Left Ventricle 143–164
LARRY A. TABER and RENATO PERUCCHIO / Modeling Heart
Development 165–197
MICHAEL S. SACKS / Biaxial Mechanical Evaluation of Planar Bio-
logical Materials 199–246
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Journal of Elasticity 61: vii, 2000. vii
Foreword
This special volume of the Journal of Elasticity represents the first in a new pro-
gram dedicated to the occasional publication of collections of invited, reviewed
papers of topical interest. The purpose of this program is to spotlight the devel-
opments and applications in the mechanics of materials within specific areas that
can enhance growth and provide insight for the advancement of the field as well as
promote fundamental understanding and basic discovery.
Soft Tissue Mechanics is an area of biomechanics that draws heavily upon fun-
damental ideas and material models from nonlinear elasticity and viscoelasticity.
A major goal of this research is to understand those mechanics properties of heart,
artery, collagen and skeletal muscle tissue that can be used for the diagnosis of
health problems and the improvement of human life. This volume illustrates how
experiment, modeling and computation is currently employed in this emerging
field.
May 2001
ROGER FOSDICK
Editor-in-Chief
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Journal of Elasticity 61: ix–xii, 2000.
ix
Preface
There are two primary areas for the application of elasticity in the biomechanics
of tissues: hard tissue mechanics (e.g., bone, teeth, horns, etc.) and soft tissue me-
chanics (e.g., skin, tendons, arteries, etc.). The distinguishing feature betweenthese
tissue types is the amount of physiological “normal” deformation they experience.
While “hard” tissues only experience small deformations, soft tissues typically
experience large deformations. From a biomechanics viewpoint soft tissues fall
within the realm of finite elasticity.
The seven papers of this volume [1–7] present a glimpse into current research
on soft tissue mechanics as well as some future directions. The seven papers con-
cern tissues within the cardiovascular system: three focus on arteries, three on the
heart, and one on biaxial testing of planar tissues such as heart valves. Given that
cardiovascular disease continues to be the leading cause of death in the developed
world, the importance of such research is clear.