| Dragon Washbasin is a Chinese cultural relic. Because of its special artistic shape and characteristic structure, when the Dragon Washbasin is filled with water and its two ears are rubbed, some sweet buzz will follow, and beads of water will spurt from four fixed areas inside the Washbasin. This interesting Dragon Washbasin phenomenon is full of enjoyable value, as well as its inner mechanism worthy of research.Dragon Washbasin phenomenon, caused by the interaction of Dragon Washbasin and its inner water, from the viewpoint of mechanics, is a fluid-structure interaction problem. In order to discover its mechanism and simulate this phenomenon, and thus have a scientific understanding and explanation, this paper conducts the following aspects of study,(1) First it introduces principle of fluid-structure interaction, establishes its fluid-structure interaction basic equations and FEM format of Dragon Washbasin.(2) Then proposes the explicit time integration of central difference for the interaction dynamic analysis.(3) In succession, through mode analysis it gets Dragon Washbasin's modes, and studies the influences on modes by the shape and thickness of Dragon Washbasin. (4) At last, as its most important part, this paper carries through interaction's dynamic simulation. Based on the reference simulation scheme, it studies the main parameters' (normal force, rubbed friction, stimulated frequency, water level, rubbed intension and rhythm) influences on Dragon Washbasin phenomenon respectively, gets some valuable conclusions, and gives wider and deeper discoveries on Dragon Washbasin phenomenon's mechanism.Through dynamic simulation, the paper tells that Dragon Washbasin Phenomenon roots in harmony of inside and outside.
|
PDF Full Text Request