infinite flow meaning in Chinese

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Numerical calculation of three - dimensional incompressible and infinite flow
三维不可压非定常流动的数值计算
Presently most of the theoretical method to predict the propeller - induced hull pressure fluctuation is based on the calculation method in which the pressure is induced by pulsating source in infinite flow . the calculation method is adopted and the corresponded computer program is complied . the propeller - induced hull pressure fluctuation due to blade thickness , blade load , cavity thickness and the change of the cavity volume can be analyzed respectively in the computer program
目前，螺旋桨诱导的船体表面脉动压力的理论预报方法，大多是以无限流场中点脉动源诱导的周围流场的脉动压力的计算方法为基础的，本文采用该方法编制了计算程序，可以分别考虑桨叶厚度、桨叶负荷、桨叶上空泡厚度及其体积变化在船体表面指定位置上产生的脉动压力。