In this study, vibrational characteristics of upright breakwater under wave condition is numerically analyzed. Firstly, finite element model of upright breakwater which composed by structure-foundation system is established. Dynamic behavior of the upright breakwater’s structure-foundation system is analyzed. Secondly, numerical model for wave field is created. Wave pressure is extracted to apply for the upright breakwater model as the excitation force. Both of design wave and small wave are considered. Thirdly, the vibrational responses are extracted from the upright breakwater model and there model parameters are extracted. Finally, the effect of the wave condition on vibration characteristics of upright breakwater is examined.

Abstract
 1. 서 론
 2. 케이슨 방파제 구조시스템의 진동특성
 3. 파랑조건에 따른 진동특성
 4. 요약 및 결론
 참고문헌

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