인문학
사회과학
자연과학
공학
의약학
농수해양학
예술체육학
복합학
DBpia AI
AI 에이전트
AI 아이디어
AI 리더
AI 뷰어
Citeasy
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논문 기본 정보
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초록·키워드
In the deterministic optimization of a structural system. objective function. design constraints and design
variables are treated in a nonstatistical fashion. However, such deterministic engineering optimization tends promote the structural system with less reliability redundancy than obtained with conventional design procedures using the factor of safety, Consequently. deterministic optimized structures will usually have higher failure probabilities than unoptimized structures, Therefore. a balance must be developed between the satisfactions of the design requirements and the objectives of reducing manufacturing cost. This paper proposes the reliability-based design optimization (RBDO) technique. which enables the optimum design that confiders confidence level for the vibration characteristics of structural system. Response surface method (RSM) is utilized to approximate the performance functions describing the system characteristics in the RBDO procedure. The proposed optimization technique is applied to the pillar section design considering natural frequencies of a vehicle structure.
variables are treated in a nonstatistical fashion. However, such deterministic engineering optimization tends promote the structural system with less reliability redundancy than obtained with conventional design procedures using the factor of safety, Consequently. deterministic optimized structures will usually have higher failure probabilities than unoptimized structures, Therefore. a balance must be developed between the satisfactions of the design requirements and the objectives of reducing manufacturing cost. This paper proposes the reliability-based design optimization (RBDO) technique. which enables the optimum design that confiders confidence level for the vibration characteristics of structural system. Response surface method (RSM) is utilized to approximate the performance functions describing the system characteristics in the RBDO procedure. The proposed optimization technique is applied to the pillar section design considering natural frequencies of a vehicle structure.
본문·목차
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UCI(KEPA) : I410-ECN-0101-2009-556-013997393
