式中,p 是流体微元体上的压力; τxx , τxy , τxz 等是因分子粘性作用而产生的作用在微元体表面上的粘性应力的分量; Fx、Fy和Fz是微元体上的体力,若体力只有重力,且z 轴竖直向上,则Fx=0,Fy=0,Fz =-ρg。 式(4)是对任何类型的流体(包括非牛顿流体)均成立的动量守恒方程。对于牛顿流体粘性应力 ...
FX CFD VIEWS Disclaimer : This is not an investment advice. EURUSD D1, Can the rebound be sustained, Fed rates … November 07 2022 – After latest Fed rates, the dollar started to drop signaling a possible bigger correction that could send the EURUSD pair higher with targets 1.0035 (1)...
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D=Fx*cos(apha/180*PI)*cos(beta/180*PI)-Fy*sin(beta/180*PI)+Fz*sin(apha/180*PI)*cos(beta/180*PI) 侧力 Y=Fx*cos(apha/180*PI)*sin(beta/180*PI)+Fy*cos(beta/180*PI)+Fz*sin(apha/180*PI)*sin(beta/180*PI) 升力 L=-Fx*sin(apha/180*PI)+Fz*cos(apha/180*PI)...
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总结:推进求解,就是沿着某一初始边界条件进而计算到整个区域,适用于双曲型方程和抛物型方程的求解。 对于xy的区域(定常,例如超声速流动),可以从一个边界(例如x=0边界条件)开始,进而沿着y方向计算到所有区域(如图1); 其求解方程可以写为如下格式:Fx=-Gy+J ...
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