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조숙경,Cho, Sook-Kyung 한국가구학회 2005 한국가구학회지 Vol.16 No.2
Bauhaus, founded in Weimar, Germany in 1919, represented Modernism which is proven in the field of art as well as architecture. Furthermore, in design field, Bauhaus is the essential historical event whose influence continues in contemporary design. Bauhaus furniture is simple and austere and has linear shapes which are suitable for mass production. Bauhaus developed functional furniture design such as knock-down and pre-fabricated furniture. In terms of finishes, Bauhaus furniture epitomizes the influence of De Stijl which used either achromatic colors and three primary colors or natural finishes of wood. Bauhaus contributed to furniture design field as below. 1. Success in mass-produced furniture through standardization and pre-fabrication 2. Pioneered on industrialization through collaboration between academia and industry 3. played essential role developing modem furniture by using not only metal but also such diverse materials as plywood, glass, and leather
복합재료 주익 점검창의 정하중 구조시험결과와 구조해석 비교 연구
조숙경,박찬익,조창민,이기범,박민영 한국항공우주학회 2013 한국항공우주학회 학술발표회 논문집 Vol.2013 No.11
일반적으로, 항공기의 날개는 내부구조 및 장비의 유지보수를 위해 점검창이 필요하다. 본 연구에서는 복합재 날개의 점검창과 주변구조의 정밀한 하중분포를 구하기 위하여 다수의 구조시험과 구조해석을 수행하였다. 이를 위하여 점검창이 있는 날개박스를 선정하고, 점검창과 주변구조에 다수의 스트레인게이지를 부착하였다. 2개의 비행하중조건에 대하여 시험을 수행하였으며, 변형률을 측정하였다. 본 연구를 위하여 상세유한요소모델을 생성하였으며, 계산된 변형률을 구조시험 결과와 비교하였다. 구조시험과 구조해석 비교결과는 일치하였으며, 이 결과는 점검창 개선설계에 활용될 예정이다. Generally, most of aircraft wings have access doors for the maintenance of internal structure and equipment. In this study, a series of static tests and structural analyses were conducted to attain a precise load distribution of the access covers and their backup structures in composite wings. A composite wing box was selected and multiple strain gauges were surface-bonded on the access covers and their backup structures. Static tests for 2 loading conditions were conducted and strains were measured. A fine finite element model was created and the calculated strains were compared with the test results. The comparison results between the test and analysis agreed well. This study results will be utilized to enhance the current design of the access doors.