具有不同首柱角的高速水面无人艇耐波性能研究

Research on resistance performance of high-speed unmannedsurface vessel with different stem post angles

为设计出耐波性能优良的无人艇船型,文中以X-bow型无人艇为基础,通过船艏改型得到了具有4种不同首柱角度的无人艇,并对4种无人艇在规则波中迎浪航行时的耐波性能进行对比分析.采用STAR-CCM+软件基于重叠网格技术及VOF方法建立相应数值水池模型并对数值水池的有效性进行验证,计算分析了4种船型的垂荡、纵摇运动响应以及波浪增阻等水动力性能.研究表明,在迎浪航行条件下,首柱角度为115°的XW1型无人艇的耐波性能较优.

In order to design the unmanned surface vessel(USV)with better seakeeping,the X-bow ship was used as the parent ship in this paper,and four USVs with different stem post angles were obtained through changing the bow.Then we studied the seakeeping of these four USVs in regular head waves.Firstly,the commercial software STAR-CCM+was used to establish a three-dimensional numerical wave tank and numerical wave-making verification is carried out.And then the heave,pitch motion and wave drag increase were numerically calculated.The results show that the XW1 hull with 115°stem post angle has better seakeeping.