查询词典 inviscid

Second, we study the stability in the inviscid adiabatic limit.

然后，我们研究无粘滞的绝热吸积流。

But it demands the higher computational accuracy. Time-dependent LU-SGS method and close coupled full implicit finite volume scheme are used. The AUSMPW+ based on the three-order MUSCL difference scheme is used for the inviscid operator, and the maximum eigenvalue splitting method is used to convert matrix operation to algebraic operation in order to shorten the computing time.

运用时间相关的LU-SGS方法，采用强耦合的全隐式有限体积进行离散，其中无粘对流项采用三阶MUSCL型差分的AUSMPW+格式，并应用最大特征值分裂，将矩阵运算转化为代数运算，大大缩短了计算时间。

Euler equation ; chemical non equilibrium ; inviscid flow ; numerical simulation ; computational method

欧拉方程；化学非平衡；无粘绕流；数值模拟；计算方法

Finally, in the third section, by constructing some functional which similar to the conservation law of evolution equation and the technical estimates, we prove that in the inviscid limit the solution of generalized derivative Ginzburg—Landau equation converges to the solution of derivative nonlinear Schrodinger equation correspondently in one-dimension; The existence of global smooth solution for a class of generalized derivative Ginzburg—Landau equation are proved in two-dimension, in some special case, we prove that the solution of GGL equation converges to the weak solution of derivative nonlinear Schr〓dinger equation; In general case, by using some integral identities of solution for generalized Ginzburg—Landau equations with inhomogeneous boundary condition and the estimates for the L〓 norm on boundary of normal derivative and H〓 norm of solution, we prove the existence of global weak solution of the inhomogeneous boundary value problem for generalized Ginzburg—Landau equations.

第三部分：在一维情形，我们考虑了一类带导数项的Ginzburg—Landau方程，通过构造一些类似于发展方程守恒律的泛函及巧妙的积分估计，证明了当粘性系数趋于零时，Ginzburg—Landau方程的解逼近相应的带导数项的Schr〓dinger方程的解，并给出了最优收敛速度估计；在二维情形，我们证明了一类带导数项的广义Ginzburg—Landau方程整体光滑解的存在性，以及在某种特殊情形下，GL方程的解趋近于相应的带导数项的Schr〓dinger方程的弱解；在一般情形下，我们讨论了一类Ginzburg—Landau方程的非齐次边值问题，通过几个积分恒等式，同时估计解的H〓模及法向导数在边界上的模，证明了整体弱解的存在性。

A numerical algorithm to simulate the hypersonic inviscid Flow fields of chemical non equilibrium is presented in this paper .

本文给出了求解高超声速化学非平衡无粘流场的数值模拟方法。

This method, based on the physical characteristics of clould, such as incompressibility, low density and inviscid, uses the fluid equations to calculate the properties of cloud. Then by accelerating this method through GPU, it achieves a good effect, which is continuous, dynamic and real cloud .

首先分析了云的物理模型，考虑到GPU的特点建立了云的模型；然后根据云的不可压缩、低密度、无粘性的特点，通过流体方程计算了云的物理属性，并将其求解过程在GPU中实现，从而得到了动态的，真实感强的，实时的统一，得到了较真实的模拟效果。

Due to the problems existing in simulation on physical model of fire, such as heavy calculation, high complexity and difficulty in real-time simulation, a new real-time simulation method was raised based on fluid model and GPU acceleration. This method, based on the physical characteristics of fire, such as incompressibility, low density and inviscid, used the fluid equations to calculate the properties of fire. Then by accelerating this method through GPU, the real-time simulation of fire was realized and a realistic effect was achieved.

针对目前基于物理模型模拟火焰的计算量大、复杂度高，很难进行实时模拟的问题，提出了一种基于流体模型和GPU加速的火焰实时模拟方法，该方法根据火焰的不可压缩、低密度、无粘性等特点，通过流体方程计算火焰的物理属性，并将其求解过程在GPU中并行加速，从而大幅度提高了算法的运算速度，实现了火焰的实时模拟，并取得了较真实的模拟效果。

In this paper,water is assumed to be irrotational,inviscid and incompressible fluid.

潜射导弹，鱼雷及潜艇等结构在水面或水下运行时，就要考虑到流固耦合振动的问题。

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。

From these results, it is concluded that the classical Rayleigh theorem (1880) on inflectional velocity instability of inviscid flows is incorrect which has last for more than a century.

从这些结果，它的结论是对古典瑞利定理(1880)屈折速度不稳已是不正确的粘流历时一个多世纪。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。