SSCV Ⅱ半潜式起重海洋平台流场数值模拟

Numerical simulation of flow field of SSCV Ⅱ semi-submersible crane platform

以Raffles SSCV Ⅱ半潜式起重平台为研究对象,应用数值方法,对两个不同水线面外形方案的风载进行了预报,通过对风洞模型风载试验结果的验证可知,数值计算结果可信,并进一步应用该数值方法对2个方案的绕流场进行了分析,研究了Raffles SSCV Ⅱ半潜式起重海洋平台立柱外形差异对绕流场及风载产生的影响.所建立的数值方法可为海洋平台风载预报提供新的手段,关于海洋平台立柱外形对风载影响的分析结果可为相关海洋平台设计提供参考.

By taking Raffles SSCV Ⅱ semi-submersible crane platform as the research object,wind load of two configuration schemes with different waterplane was predicted based on numerical method.The numerical results verified using wind tunnel model test results were credible.Furthermore,analysis of two schemes on flow field was carried out by means of numerical method.Influence of configuration differences of Raffles SSCV Ⅱ semisubmersible＇s two schemes on flow field and wind load was studied.Numerical method established by this study can offer innovative means for platform wind load prediction.The analysis results of different platform column configuration＇s effect to wind load can offer reference for platform＇s design.