采用有限元法研究了动力吸振器减小船体梁结构谐波振动响应的有效性。
The study of the effectiveness of the dynamic vibration absorber in reducing harmonic response of the ship hull girder using the finite element method is presented.
当用梁理论计算船体振动的高谐调特性时，理论计算值与实际试验量测值有较大偏差。这样，梁理论不能作为计算高协调振动的一个实际可用的方法。
When the beam theory was used to calculate ship hull vibration, greater discrepancies were found between theoretical calculations and actual measurements especially at higher-modes.
首先，将二维梁振动理论与三维船体湿表面网格划分方法相结合，提出了一种适用于三维水弹性分析的浮体湿表面网格划分方法。
Firstly, a new mesh generation method for 3-d hydro-elastic analysis is proposed with the combination of 2-d Timoshenko beam theory and 3-d wetted surface mesh generation method.
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