Based on that , the paper applied the theories of fluid mechanics and mechanics of elasticity to the double tube telescopic damper , developed the mathematical model with 7 parameters for the first time 并在此基础上，应用流体力学和弹性力学的有关理论，针对双筒液力减振器首次提出了合理的7参数数学模型。
At first the rheology behavior of smc is analyzed and a generalized hele - shaw model ( ghs ) , based on the theory of fluid mechanics , is adopted as theory model of compression molding 在文章的理论部分，首先分析了smc熔体的流变行为，基于流体力学基本理论，引用广义hele - shaw模型作为smc模压流动的理论模型。
The experiments involve different branches of mechanical engineering knowledge , so we try to assign the students for maximum exposure to heat transfer , dynamics , thermo , fluid mechanics , etc 各项实验需应用机械工程领域中不同的知识，因此我们在分组时会尽可能使同学接触到热传学、动力学、热力学、及流体力学等领域。
The technique of fluid mechanics simulation and the technique of modern fluid mechanics experiment were applied to research on the fluid oscillation characteristics of vortex flowmeter and vortex precession flowmeter 以流场仿真技术和实验流体力学的相结合的方法，系统地研究了旋涡型流体振动流量计的流体振动特性。
The main work accomplished in this dissertation is as follows : on the basis of the theory of oscillating fluid mechanics and the parametric polynomial method , the flow - induced vibration of pipe on offshore platform is studied 具体工作内容如下：根据振动流体力学基本原理，应用参数多项式方法，对海洋平台输液管道内流流体激振进行研究。
Having the aid of newest achievement on computational fluid mechanic and computer simulation , to promote the study of river navigation hydraulics going to a new step has important academic significance and widely applied value 因此，借助计算流体力学和计算机模拟技术的最新研究成果，推动航道水力学研究更上一个新台阶，具有重要的学术意义和广泛的工程应用价值。
3 . the measuring end made with special shape according to fluid mechanics wear - proof face can be made as triangle shape , cambered shape and bevel face has less scouring and sticking to oil to greatly prolong service 3测量端根据流体力学原理，做成特殊形状根据耐冲刷方向，耐磨面可作成三角形圆弧形斜面，减少冲刷阻力，从而减少被冲刷，减少粘油，提高使用寿命。
Based on theory of gear driving , fluid mechanics , hydrodynamic lubrication , polymer rheology and single - screw extrusion , key structure design principles in melt pump are summarized , some theory foundations are also deduced 结合齿轮传动、动力润滑、流体力学、高聚物加工流变学以及单螺杆挤出理论的部分知识对熔体泵结构设计中的主要问题进行了总结，并对其中部分理论依据进行了推导。
Besides , traditional hydraulic method is commonly adopted to water surface computation in which section - averaged hydraulic parameters are used . the accuracy is quite low . it is backward comparing with modern computational fluid mechanics 此外，目前航道整治设计中水面线的计算一般都采用传统水力学的断面平均水力要素计算方法，精度较粗，大大滞后于当今计算流体力学研究水平。
The singular ordinary differential equations first arise in the fields of gas dynamics , newtonian fluid mechanics , nuclear physics , the theory of boundary layer , nonlinear optics and so on . it is also one of important areas in the study 具有奇性的常微分方程问题，最早是在研究核物理、气体动力学、流体力学、边界层理论及非线性光学问题中提出的，是微分方程研究中一个十分重要的领域。
