http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
조인트를 가진 원통형 구조물의 충격 응답에 관한 실험적 연구
전호찬,송오섭 한국군사과학기술학회 2019 한국군사과학기술학회지 Vol.22 No.5
Guided missiles assembled with the bolted joint are subjected to various shock loading conditions while flying inthe air and operating on the ground or platform. Especially, It is important to analyze the effect of the shock loadon the structure because it affects the structure for a short duration time while its acceleration magnitude is quitelarge. In this study, mechanical shock tests on the structure with the bolted joint have been carried out to measurethe acceleration changes of the structure against external shock loads by electrical exciter. Variation of dynamiccharacteristics of a structure with fastening methods and fastening forces has been investigated through ShockResponse Spectrum analysis.
체결 방식에 따른 유도탄의 동적 특성에 관한 실험적 연구
전호찬,송오섭 한국군사과학기술학회 2019 한국군사과학기술학회지 Vol.22 No.4
In order to design and manufacture structures such as a guided missile, assembly process with fastener is an essential method of fabrication. In this study, the dynamic characteristics of a cylindrical structure with bolted joints were studied using experimental methods. The change of the natural frequency of the structure with the change of the fastening method and the tightening torque were measured by the test and the finite element analysis was performed using the stiffness model of the fastening part according to the fastening method and compared with the test results.