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손충열 한국소음진동공학회 1994 한국소음진동공학회 심포지엄 Vol.1994 No.1
1. 머릿말 2. 교통소음원의 실태 3. 교통소음의 문제점 참고문헌
송창용,손충열,송재영 한국소음진동공학회 1996 소음 진동 Vol.6 No.4
The channel type structure which has large openings is frail with respect to torsional strength, and the horizontal-torsional motion is highly coupled, because of the large difference between the centroil and the shear center. Also, a discontinuous boundary phase is came from tansition section between the opened section and the closed section. To analyze the Bending- Torsional coupled mode parameters for the channel type structure, the Transfer Matrix Method was used. Comparing the result of F.D.M.T.M.M yields good results in relatively low frequency region.
김경수(Kyung-Su Kim),손충열(Choong-Yul Son),신현일(Hyun-Il Shin),이만식(Man-Sik Lee) 한국해양공학회 1999 韓國海洋工學會誌 Vol.13 No.2
Western coastal ports of Korea experience severe tidal range with up to 9.7 meter between high and low tides. The significant water level variation implicates many operational difficulties during loading and un-loading from cargo ships. To overcome problems due to tide and to secure the continuous loading operation, a new loading system for container cargo called container pallet system is developed and introduced in the paper. Three types of structure forms, offshore structural deck, double bottom structural form and the mixed form, are investigated with MSC/NASTRAN software. The results prove that the mixed type structure with truss enforcement is found to be the most appropriate for the region.