http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
[論文] 직교이방성 재료에 대한 경계요소법 (BEM)의 기본해에 관한 연구
이갑래(K.R.Lee),조상봉(S.B.Cho),최용식(Y.S.Choy) 한국자동차공학회 1990 오토저널 Vol.12 No.2
According to the developments of various composite materials, it seems to be very important to evaluate the strength and fracture behavior of composite materials. When the composite material is considered as orthotropic material, the characteristic equation of orthotropic mater.<br/> ial have complex roots. If characteristic roots are equal, the fundamental solutions of BEM become singular ones. This paper analyse the fundamental solutions of the singular problem of orthotropic material using the analogous method to isotropic material.
다축 피로 파라미터를 이용한 프레팅 피로 수명 예측에 관한 연구
곽동현(D. H. Kwak),노홍래(H. R. Roh),김진광(J. K. Kim),조상봉(S. B. Cho) 한국정밀공학회 2006 한국정밀공학회 학술발표대회 논문집 Vol.2006 No.5월
Recently, a lot of work and interest has been devoted to the development of multiaxial fatigue parameters for fretting fatigue life prediction. Many of these parameters have been reviewed in the literature for simple geometries like a cylinder-on-flat contact configuration. The purpose of this study was to estimate fretting fatigue life using critical plane approach which is one of the multiaxial fatigue theories.