The Study on the Effect of the Aspect Ratio and Number of Spots on the Compressive Buckling Load of two Rectangular Plates Spot-Welded by FEM

점용접된 두 사각평판의 형상비 및 용접점수가 압축좌굴하중에 미치는 영향의 유한요소해석에 의한 연구

This stability of a plate structure is very crucial problem which results in wrinkle and bucking. In this study, the effect of the pattern of spot-welding points of the two rectangular plates on the compressive buckling load is studied with respect to the thickness, aspect ratio of plates, number of welding spots. buckling coefficient of the plate not welded was compared with that of two plates with various thickness to extract the effect of thickness. The effect of number of welding spots are studied in tow directions, longitudinal and transverse directions. The conclusions obtained were that the reinforcement effect was maximized when the aspect ratio was close to 1.25 and that the effect of number of welding spots in transverse direction was large than that in longitudinal direction.