ISSN:
1662-8985
Source:
Scientific.Net: Materials Science & Technology / Trans Tech Publications Archiv 1984-2008
Topics:
Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
Notes:
Recent development in structure optimization offers the potential for significantimprovements in the design of more durable structures. The present paper reveals the importance ofstructural optimization with crack propagation life of integrally stiffened panels. In the full paper, weexplain in detail how to optimize structural fatigue life and design the structure of integrally stiffenedpanels which has the optimization life. The first topic is: the review of existing structural optimizationdesign method. The second topic is: optimization methodology with crack propagation life. In ouroptimization methodology, the RSM (Response Surface Methodology) and GA (Genetic Algorithm)are successfully applied for structural optimization design with crack propagation life. The third topicis: damage tolerance optimization of integrally stiffened panels with crack propagation life. In thispaper, structural parameters: the height and location of stringer, are the design variables. Thestructural weight is a fixed value. Through analyzing, the optimization structure with maximum lifecan not simply be chosen, and the maximum life would not increase all ways while the high of stringerincreased. At last, the optimization structure, which has maximum crack propagation life, is given onthe integrally stiffened panels
Type of Medium:
Electronic Resource
URL:
http://www.tib-hannover.de/fulltexts/2011/0528/01/40/transtech_doi~10.4028%252Fwww.scientific.net%252FAMR.33-37.249.pdf
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