The field of velocity,pressure and stress worked out under various conditions are exhibited by curves,contours and isoplethic planes.

• 结果表明:由于振动场的引入,熔体速度、压力、应力均产生振动,其频率和入口压力的振动频率相同,但振幅从口模入口至出口逐渐衰减,直至消失;