工程流体力学分析,ansys
4.4 Differential Equation of Linear Momentum Newton’s second law dV F ma dxdydz dt dV dxdydz Fb Fs dtdx
dy
Fb R dxdydz
dz
( Xi Yj Zk ) dxdydz
Elemental volume
What are the surface forces Fs on the elemental volume?11
工程流体力学分析,ansys
4.4 Differential Equation of Linear Momentum Newton’s second law dV F ma dxdydz dt dV dxdydz Fb Fs dtdx
dy
Fb R dxdydz
dz
( Xi Yj Zk ) dxdydz
Elemental volume
What are the surface forces Fs on the elemental volume?11
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