不可压缩

• Secondly , the process model is established . the process is departed into two stage . one is pre - process . the moldfilling of polymer melt in three dimensional thin parts is a viscous , incompressible flow with moving boundaries
  整个充模过程分成两部分：第一部分为预充模过程，这一过程属于带有运动边界的粘性不可压缩流体的流动。
• Under the material non - compress assumption , in this paper , poisson ratio variation law under finite deformation theiory was studied , it is shown that the eular configuration is feasible considering the material non - compress assumption
  在材料不可压缩的前提条件下，分别研究了有限变形两种构型下泊松比的变化规律，结果表明用欧拉描述方法是可行的。
• The paper enlarges the domain of using the method of variable separation with addition , and beneficially tries to obtain analytical solutions of complicated problem , such as 2 - d steady incompressible viscous gas diffusion flow field
  拓展了加法分离变量法的适用领域，并对二维定常粘性气体不可压缩扩散流场这类复杂问题的解析求解进行了有益的尝试。
• The resonant flow was researched in this paper , which is an incompressible , inviscid fluid with surface tension and different variational bottoms ; the effects of different variational walls on the nonlinear surface waves were analyzed
  本文通过对具有表面张力的、不可压缩、无粘性流体流过不同壁面时的共振流动进行研究，分析了壁面变化对非线性表面波的影响。
• The - two - equation turbulence model and the control - volume integration method and simplest algorithm were employed to simulate the three dimensional , isothermal , incompressible , rectangular two - impinging - jet on a flat plate
  本文采用-紊流模式，使用控制体积积分之有限差分法及simplest计算程序，进行三维、恒温、不可压缩、矩形双喷射撞击流场之数值模拟。
• By using the new method of variable separation with addition , semi - analytical solutions of 2 - dimensional ( 2 - d ) steady incompressible viscous gas diffusion flow field are obtained in the paper , and suitable conditions are discussed
  摘要运用加法分离变量法，解析求解了二维定常粘性气体不可压缩扩散流场，得到了几组空气流场有源汇和无源汇情况下扩散流场的半解析解，并分析了其适用条件。
• As is known to all , navier - stokes equations are fundamentally important in describing the motion for viscous incompressible fluids . for a long time , these equations have been deeply investigated by a lot of scientific workers , including many famous mathematicians
  作为描述粘性不可压缩流体运动规律的基本方程， navier - stokes方程长期以来得到包括许多著名数学家在内的众多科学工作者的广泛关注。
• Pian presented mix fem and hybrid fem in 1964 . for its good capability in solving the irregular elements problems , incompressible material problems , and high precision in stress and strain results , the research of mix and hybrid fem is in the ascendant
  Pian于1964年基于hu - washizu变分原理提出了杂交元和混合元方法，由于该方法在单元畸变、不可压缩性和应力应变求解方面表现出优异的性能，目前的研究正方兴未艾。
• Fem equation of fluid - solid coupled vibration was constituted by analyzing fem equation of incompressible viscosity fluid and elastomer . based on the equation , vibration characteristics of vane in the air and frequency and swing of fluid - solid coupling vibration are calculated by using ansys
  本论文通过对不可压缩粘性流体的有限元方程和弹性体振动的有限元方程的分析，得到了弹性体与粘性流体流固耦合的有限元方程。