튜토리얼&예제 Strand7 부유식 해상 접안시설 구조물의 부력 및 안정석 해석
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Strand7을 사용한 부유식 해상 접안시설 구조물의 부력 및 안정석 해석 예제입니다. |
Buoyancy and Stability Analysis of Floating Structures |
Introduction Strand7 provides tools to model offshore floating structures such as boats subject to buoyant forces, payload and other loadings. Buoyancy effects on a partially or fully submerged object can be considered in a nonlinear transient analysis by implementing a Factor vs Position table. This table factors the applied pressure according to the relationship between hydrostatic pressure and the submerged depth, hence simulating the effects of buoyancy. Another method to model buoyancy is by direct application of Archimedes’ principle, which is to apply the buoyancy forces in the negative gravity direction based on the submerged volume of an object. Note that still water is modelled in this example, but the fluid dynamics of flow around the object are not considered. |
Problem A standard residential pontoon decking is supported by four 1200 L flotation modules. The flotation modules are bolted to an overlying aluminium frame which supports a timber decking. The polyethylene flotation modules are filled with polyurethane foam for buoyancy and can also be filled with ballast sand for additional stability. A total payload of 450 kg is added to various locations on the pontoon to assess its stability. The objectives of this exercise are:
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Buoyancy and Stability Analysis of Floating Structures.zip (2.1M)
0회 다운로드 | DATE : 2021-01-28 17:42:45
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