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首页> 外文会议>34th International conference on ocean, offshore and arctic engineering 2015 >ADVANCED SIMULATIONS = BETTER RESULTS. REALLY?
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ADVANCED SIMULATIONS = BETTER RESULTS. REALLY?

机译：先进的模拟=更好的结果。真？

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摘要

This paper looks at selected applications of advanced hydrodynamic simulations in the offshore oil & gas industry. Progress in computational techniques and hardware has opened the door to more advanced simulations. But do more advanced field equations really lead to better results? Or should we employ proven potential-flow codes along with the engineering insight and experience, as they are cheaper and faster? The answer is not trivial and needs to be found and justified for each application. But the paper shows applications of viscous flow simulations (RANSE) where potential flow simulations ruled supreme. Traditional arguments concerning computational time are eroded by massive parallel computation. The applications shown concern: second-order forces in waves, formal optimization of offshore structures, impact loads, short-crested irregular sea in RANSE simulations and vortex-induced vibration analyses.
机译：本文着眼于先进的水动力模拟在海上油气行业中的选定应用。计算技术和硬件的进步为更高级的仿真打开了大门。但是，更高级的场方程真的可以带来更好的结果吗？还是我们应该采用经过验证的潜在流程代码以及工程洞察力和经验，因为它们更便宜，更快捷？答案不平凡，需要针对每个应用程序找到答案并证明其合理性。但是，本文显示了粘性流动模拟（RANSE）的应用，其中潜在流动模拟占了上风。大量的并行计算侵蚀了有关计算时间的传统论点。所显示的应用涉及以下方面：波浪中的二阶力，海上结构的形式优化，冲击载荷，RANSE模拟中的短顶不规则海和涡激振动分析。

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