Abstract
Several upper-bound limit-load multipliers based on elastic modulus adjustment procedures converge to the lowest upper-bound value after several linear elastic iterations. However, pressure component design requires the use of lower-bound multipliers. Local limit loads are obtained in this paper by invoking the concept of “reference volume” in conjunction with the multiplier method. The lower-bound limit loads obtained compare well to inelastic finite element analysis results for several pressure component configurations.
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.Copyright © 2007
by American Society of Mechanical Engineers
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