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보 변환 기법을 이용한 3차원 부유체의 응답해석Response Analysis of 3-dimensional Floating Structure Using Beam Transformation
- Other Titles
- Response Analysis of 3-dimensional Floating Structure Using Beam Transformation
- Issue Date
- 20-1월-2007
- Publisher
- 한국소음진동공학회
- Keywords
- floating structures; hydroelastic responses; direct method; beam transformation
- Citation
- 한국소음진동공학회논문집, v.17, no.1, pp 17 - 23
- Pages
- 7
- Journal Title
- 한국소음진동공학회논문집
- Volume
- 17
- Number
- 1
- Start Page
- 17
- End Page
- 23
- Abstract
- In this paper, the modified direct method employing beam transformation technique is proposed in order to efficiently calculate hydroelastic responses of floating structure. Since the proposed method expresses the displacements of three-dimensional structure with those of transformed beam which leads to small number of equations of motion, the method is numerically efficient compared to the conventional direct method. To verify the efficiency of the proposed method, a 500 m-long floating structure under wave loads is considered in numerical example. Displacements, bending moments, torsion moments and shear forces are calculated and computing time is examined. The results are also compared with those of the conventional direct method.
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