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윤경호(K-H Yoon),강흥석(H-S Kang),김형규(H-K Kim),송기남(K-N Song),김우곤(W-G Kim) 대한기계학회 2002 대한기계학회 춘추학술대회 Vol.2002 No.3
The drop type impact test and finite element analysis are established for examining the buckling behavior of a grid structure under the lateral impact load. This grid structure is composed several thin plates by laser welding. The finite element model is produced using preprocessor I-DEAS, and solved using nonlinear solver ABAQUS/explicit. Applied boundary conditions for dynamic impact analysis were nearly the same with actual boundary conditions for impact test. However, the dynamic impact parameters of a grid structure are good agreement with test results. Based on these results, the analysis model of the grid structure for FE analysis is adaptable for evaluating the dynamic buckling behavior of a grid structure. These test and analysis results will be adaptable for predicting the dynamic structural integrity of a grid structure not only the axial impact event but also the lateral impact event.