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2Šª
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1991”N
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211-216•Å
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PROCEEDINGS OF THE SYMPOSIUM ON SYSTEM OPTIMIZATION
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Yukio KIKUTA,Kunihiro MATSUI,Yasuo NIINOBE
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OPTIMAL DESIGN OF STRUCTURES SUBJECTED TO 3 CYCLES OF RESONANT EXCITATION
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According to aseismic design for a circuit breaker system, the system is confirmed safe if it withstands during a duration of three periods of sinusoidal ground acceleration with resonant frequency. Under this concept, optimal design procedure has been developed and optimization algorithm is presented. By using a simple structure composed of 10 members with two lamped masses as an example problem, the algorithm is verified by finding the optimal areas of members with stress constraints.
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structural optimization,dynamic analysis,mass excitation,resonant frequency
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