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NTIS 바로가기한국해안·해양공학회논문집 = Journal of Korean Society of Coastal and Ocean Engineers, v.31 no.5, 2019년, pp.278 - 293
박수호 (서울시립대학교 토목공학과) , 조용준 (서울시립대학교 토목공학과)
The joint distribution of wave height and period has been maltreated despite of its great engineering value due to the absence of any analytical model for wave period, and as a result, no consensus has been reached about the effect of nonlinearity on these joint distribution. On the other hand, ther...
핵심어 | 질문 | 논문에서 추출한 답변 |
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파고 모형 중 empirical 모형이 선호되는 이유는 무엇인가? | 이러한 현상은 일정 부분 주기에 대한 해석모형의 부재로 기존 연구의 대분이 경험적 접근에 기대고 있다는 사실에 기인하나, 주기가 지니는 공학적 가치를 고려하는 경우 그 해결이 시급하다. 전술한 파고 모형 중 empirical 모형은 그 간결한 구조적 형태로 적용이 용이하다는 점으로 인해 설계과정에서 가장 선호되어 왔다. Empirical 모형에서 불규칙 파랑은 Gaussian, Weibull, Rayleigh 분포를 추종하는 것으로 가정되며 모형계수는 계측자료로부터 산정된다(Forristall, 2000). | |
empirical 모형의 한계는 무엇인가? | Empirical 모형에서 불규칙 파랑은 Gaussian, Weibull, Rayleigh 분포를 추종하는 것으로 가정되며 모형계수는 계측자료로부터 산정된다(Forristall, 2000). 이러한 절대적 호응에도 불구하고 Empirical model은 그 구조적 형태와 모형 계수가 불규칙 파랑에 내재한 물리과정과 연계하기가 쉽지 않다는 태생적 한계를 지닌다. 이에 비해 analytical model은 확률분포의 구조적 형태와 계수가 불규칙 파랑을 대상으로 한 해석해로부터 산출된다. | |
해양구조물의 특징은? | 해양구조물은 거친 해양환경에서도 견딜 수 있도록 설계되어야 하며, 피로파괴에 대해서도 충분한 내구성을 확보할 수 있어야 한다. 이를 위해서는 해양구조물 설계과정에서 해양환경에 내재한 변동성과 이로 인한 파랑의 불규칙성이 고려되어야 한다. |
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