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Structural Engineering and Mechanics Volume 3, Number 1, January 1995, pages 1-10 DOI: http://dx.doi.org/10.12989/sem.1995.3.1.001 |
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FINITE-ELEMENT FRACTURE RELIABILITY OF STOCHASTIC STRUCTURES |
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LEE JC, ANG AHS
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| Abstract | ||
| This study presents a methodology for the system reliability analysis of cracked structures with random material properties, which are modeled as random fields, and crack geometry under random static loads. The finite element method provides the computational framework to obtain the stress intensity solutions, and the first-order reliability method provides the basis for modeling and analysis of uncertainties. The ultimate structural system reliability is effectively evaluated by the stable configuration approach. Numerical examples are given for the case of random fracture toughness and load. | ||
| Key Words | ||
| BRITTLE FRACTURE, STOCHASTIC FINITE ELEMENT, RANDOM FIELD, SYSTEMS RELIABILITY, STABLE CONFIGURATION APPROACH | ||
| Address | ||
| LEE JC, UNIV CALIF IRVINE,DEPT CIVIL & ENVIRONM ENGN,IRVINE,CA 92717 | ||