Unified Approach for Notch Stress Strain Conversion Rules-Reference-Cited by-同舟云学术

Unified Approach for Notch Stress Strain Conversion Rules

Published:2013-06-11 Issue:4 Volume:135 Page:
ISSN:0094-9930
Container-title:Journal of Pressure Vessel Technology
language:en
Short-container-title:

Author:

Adibi-Asl R.¹,Seshadri R.²

Affiliation:

1. AMEC NSS Ltd., 393 University Avenue, Toronto, ON, M5G 1E6, Canada e-mail:

2. Faculty of Engineering and Applied Science, Memorial University, St. John's, NL, A1B 3X5, Canada

Abstract

There are several simplified methods, known as notch stress-strain conversion (NSSC) rules that provide an approximate formula to relate local elastic-plastic stresses and strains at the notch root to those estimated elastically. This paper investigates a unified approach that estimates nonlinear and history dependent stress-strain behavior of the notches using the conventional NSSC rules. A nonlinear interpolation method is adopted to estimate the elastic-plastic stress and strain at notches. A comparison is made between the finite element results for several notch configurations (with and without three-dimensional effects) and those obtained from NSSC rules and the proposed formulation.

Publisher

ASME International

Subject

Mechanical Engineering,Mechanics of Materials,Safety, Risk, Reliability and Quality

Link

http://asmedigitalcollection.asme.org/pressurevesseltech/article-pdf/doi/10.1115/1.4023731/6312540/pvt_135_4_041203.pdf

Reference18 articles.

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3. A Method of Elastic-Plastic Stress and Strain Calculation at a Notch Root;Mater. Sci. Eng.,1981

4. Low Cycle Fatigue Life Predictions for Hollow Tubes With Axially Loaded Axisymmetric Internal Projections;J. Strain Analysis,1991

5. Stress and Strain Range Predictions for Axisymmetric and Two-Dimensional Components with Stress Concentrations and Comparisons With Notch Stress–Strain Conversion Rule Estimations;J. Strain Analysis,1993

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