Effect of Residual Stress and Heterogeneity on Circumferential Stress in the Arterial Wall

[+] Author and Article Information
S. J. Peterson, R. J. Okamoto

Department of Mechanical Engineering, Washington University, St. Louis, MO 63130

J Biomech Eng 122(4), 454-456 (Mar 22, 2000) (3 pages) doi:10.1115/1.1288210 History: Received June 06, 1999; Revised March 22, 2000
Copyright © 2000 by ASME
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Grahic Jump Location
One-layer model: (A) Circumferential stress at physiological conditions (16 kPa, inner and outer radii 1.29 and 1.44 mm) as a function of position through the wall for opening angles of 60–130 deg. (B) Inner wall circumferential stress σθi, mean circumferential stress σ̄θ, and inner wall stress concentration (σθi/σ̄θ) as functions of opening angle.
Grahic Jump Location
Circumferential stress at physiologic conditions as a function of position through the wall for a two-layer model with an opening angle of 95 deg for (A) varying relative adventitial thickness, (B) varying media material parameters




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