In this paper, the sway of weightless liquid in a levelly lying cylindrictank is studied, and the frequenies and analytic solutions of rocking liquidare obtained by using conformal mapping.

• 运用映射的方法,得到了液体晃动的各阶主振型晃动频率与解析解。研究结果表明:在完全失重的状况下,该种腔体内液体的晃动频率与充液比无关,仅只与液体的表面张力系数以及质量密度有关。