摘要
双体槽道滑行艇具有优良的航行性能。在高速航行时,槽道内的高压气体能减小摩擦阻力,同时降低波浪的砰击力以提高艇体的稳定性。为了精确评估双体槽道滑行艇的水动力性能,基于STAR-CCM+平台对其阻力性能和在迎浪规则波中的耐波性能进行研究。求解RANS方程,用VOF法捕捉自由液面,并使用重叠网格技术模拟艇体的6自由度运动,得到了不同航速下的阻力及在规则波中的运动响应,给出了兴波特性以及艇底的压力分布。阻力计算结果与船模试验吻合良好,可为这类艇型的水动力性能预报提供参考。
Based on the platform of STAR-CCM+, resistance performance and seakeeping performance of a planing catamaran with channels are studied. The RANS equation is solved, and the VOF method is used to capture the free surface, and overset grid technology is used to simulate the motion of the hull with six-degree of freedom. Resistance of the craft at different speed and its motion response to regular waves is investigated.Wave-making characteristics and pressure distribution on the bottom of the boat are given. Numerical calculation of the resistance is in well agreement with the model test. The research results may provide a reference for prediction of hydrodynamic performance of planing catamarans.
作者
徐伟桐
蒋一
眭爱国
XU Weitong;JIANG Yi;SUI Aiguo(China Ship Scientific Research Center,Wuxi 214082,China)
出处
《中国造船》
EI
CSCD
北大核心
2022年第2期137-144,共8页
Shipbuilding of China
关键词
双体槽道滑行艇
STAR-CCM+
静水阻力
规则波
重叠网格
数值计算
planing catamaran with channels
platform STAR-CCM+
resistance in calm water
regular wave
overset grid
numerical simulation
