查询词典 reduced equation

The order of differential equation is reduced when the dual variable s of Hamilton system are used in mechanical problems.

力学中的Hamilton体系采用对偶变量描述问题。

With the use of Fourier transforms, the problem is reduced to an equation which is solved by the Wiener-Hopf technique.

利用Fourier变换，问题简化成一个方程，利用Wiener-Hopf技术进行了求解。

METHODS The partial differential equation is reduced into a set of ordinary differential equations by using finite difference method.

采用有限差分方法，将偏微分方程组约化为常微分方程组。

The unsteady problem is mathematically reduced to a partial differential equation ofsecond order.

该非定常问题归结为一个非线性二阶偏微分方程的求解问题。

In the implementation, each complementary condition is reduced to an equation by means of so-called NCP function to solve, the discrete structural optimization problems with standard optimization software.

离散优化到基于NCP函数的连续优化变换在理论上是等价的，可以利用普通的数学规划方法实施求解。

Based on the statistical properties of charmonium energy spectrum determined by the reduced BS equation, we proposed a new mechanism of J/ψ suppression.

此外，我们还采用了一种等时方法推出了带有延迟效应特点的标量囚禁势。

Reduced order,the governing equation of a cylindrical shell may bechanged into two Helmholtz type equations.

而薄圆柱壳基本控制方程在经算子分解降阶处理后，得到的也是与二维弹性波散射问题相似的Helmholtz型方程。

First, response model in time domain of pile under the transient state of stimulated vibration is reduced according to damping wave equation, initial condition and boundary condition.

首先，从桩-土系统共同作用的阻尼波动方程入手，结合初始条件、边界条件，推导了完整桩瞬态激振下的时域响应模型。

By means of a resonable and approximate treatment the dependent variables of the integral equation are reduced to depend only on the two coordinates of the wing plane.

通过合理的近似处理，使积分方程的自变量仅依赖于机翼所在平面的两个座标，这就使我们在利用有限无法进行数值解时，只需在机翼平面上划分元素，避免了在流场空间中划分元素的传统作法，从而大大降低了对计算容量的要求和计算工作量，使跨音速三维机翼的气动力计算有可能在较小的计算机(例如709机)上完成。

And, the conservation is reduced. Then, a Riccati equation approach is given for disk region pole-assigment.

对于圆域极点配置，给出了一种基于离散Riccati方程的设计方法。

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％。