方程中考虑了压力梯度及非匀速运动引起的附加质量力。
The pressure gradient and the additional body force due to unsteady motion have been considered in the equations.
研究具有双面理想完整约束的变质量力学系统的机械能守恒律。
The conservation law of mechanical energy in variable mass mechanical systems with ideal bilateral holonomic constraints is studied.
在人体系统变质量力学模型研究基础上，开展了人体系统变质量块体动力学研究。
On the basis of study on varing-mass mechanical model of human body system, the varing-mass block-body dynamics of human body system are developed to study.
着重分析了相间作用力，包括壁面剪切应力、虚拟质量力、拖拽力，对压力波传播速度和衰减的影响。
The interphase forces on the propagation were investigated, including wall shear stress, virtual mass force and drag force.
着重分析了相间作用力，包括壁面剪切应力、虚拟质量力、拖拽力，对压力波传播速度和衰减的影响。
The interphase forces on the propagation were investigated, including wall shear stress, virtual mass force and drag force.
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