With the rate limiting element in man machine closed loop system, we analyse the PIO using the method of describing function.
然后将速率限制环节置于人机闭环系统中，利用描述函数法对驾驶员诱发振荡（PIO）机理进行了研究。
In this thesis, the Finite Element Method is applied to the solution of the Laplace equation formulated by means of stream function for the calculation of the static hydraulic thrust.
本文通过有限元法求解用流函数表示的拉普拉斯方程，进而计算轴流式机组的静态轴向水推力。
Element free Galerkin method (EFG) is hard to handle nature boundary condition and the discontinuous medium boundary condition because of its special approximate function.
无网格伽辽金法(EFG)由于其近似函数的特殊性很难处理本质边界条件以及不连续介质边界条件。
Adopting geometric method, the rational function interpolation is constructed on polygonal element.
采用几何的方法构造出多边形单元上的有理函数插值。
The variation finite element method (FEM) using the pseudo-potential function was presented for the simulation of transonic rotational flows.
本文运用赝势函数变分有限元方法数值模拟了绕翼型的跨音速有旋流动。
This method takes advantage of the dynamic simulation function of finite element analysis and the thermodynamic theory to calculate the value of thermal flux.
该方法利用动力学分析功能，结合传热学原理求解热流传递数值；
Truncated conical element is developed for analysis of revolution shells, using numerical distributed transfer function method (NDTFM).
应用数值传递函数方法建立了一种用于分析旋转壳静力、动力响应的截锥壳单元。
This paper introduces the function of the chemical element of VN in themicroalloyed steels and the most economic, dependable method of V steel add N.
论述了VN元素在微合金化钢中的作用和钒钢中增氮最经济可靠的方法。
Boundary element method and finite element method will realize to disperse solving domain in a probe function.
除了对于狭长形状的解域处，边界元法的求解精度一般高于有限元法。
The linear boundary element method (LBEM) is based on the constant boundary element method (CBEM), it makes boundary element into linear segment from linear interpolating function.
线性边界元法（LBEM）是在常数边界元法（CBEM）的基础上，从线性插值函数出发将边界单元按线性分布来进行处理的一种数值方法。
An "Exponent Function Control Method" which ADAPTS to discretization of the space surrounding bus body is presented to advance the quality of the element generation.
为提高单元划分质量，提出适合客车车身周围空间单元划分的“指数密度控制方法”。
This dissertation establishes numerical methods in structural analysis on the basic of variation principle, finite member element method, spline function, etc.
本文利用变分有限元法、样条函数等，提出了薄壁箱梁结构分析的数值理论和方法。
Based on the batch idea, switching function, and the driving relative between element and switch, a computer method for analyzing delay control circuit is implemented.
基于以上两点，再利用继电控制线路图上表达出的驱动元件与开关之间的关系，实现了对继电控制系统的功能仿真。
Their results show that the dynamic boundary element method is effective in the analysis of soil-structure interaction. boundary integral equation, potential function. Laplace transform.
结果表明动力边界单元法在土一结构动力耦合效应问题中的分析是一种有效的方法。
A finite element method using subregion variational principle and spline function in this paper is presented to solve the problem of combined shell of revolution.
本文提出一种用分区变分原理和样条函数相结合的有限元方法，解决组合型旋转壳受力分析问题。
Through the analysis of mechanic model of spline function, the paper proposed a simple, convenient and efficient sheet assimilative method based on finite element to calculate earthwork volume.
在分析样条函数的力学模型基础上，提出了一种根据地面标高利用薄板比拟法计算土方量的简便、实用、高效的方法。
The advantage and suitability of stream function method are reviewed as well, in addition, results obtained with this method are compared with those from finite element calculations.
文中论证了采用流函数法的优越性和适用性，并将流函数法计算结果和有限元法计算结果作了对比。
The variational of finite element method(FEM) using the pseudo-potential function is presented to design the airfoil shape of transonic rotational flows.
本文运用赝势函数变域变分有限元方法进行了跨音速翼型设计。
The text describe the theory of the finite element method, the cell dividing and constructing interpolation function, the forming and solution of finite element method equation.
研究了有限元方法的原理，单元剖分及构造插值函数，有限元方程的形成和解法。
The main purpose of this paper is using the element ary method and the generating function of Laguerre's Polynomials to give some id entities involving Laguerre's Polynomials.
利用初等方法及拉盖尔多项式的生成函数给出一类包含拉盖尔多项式的恒等式。
Based on the finite element method, the characteristic function of structural load effects is derived in this paper.
本文以有限元方法为基础，导出了结构荷载效应特征函数算式。
The discontinuous finite element method is extended to solve the direct problem, and then the conjugate gradient method is used to solve the inverse problem by optimizing the objective function.
正问题采用间断有限元法求解，反问题的解则在正问题的基础上通过共轭梯度法得到。
The boundary element method is used to analyze the influence of pin con - tact Angle and pin-hole radius on the potential function of compact tensile specimen under three current input types.
本文用边界元法对销钉接触角及销钉孔半径对三种电流输入方式下紧凑拉伸试样的电位函数影响进行了分析。
A method to describe the over-consolidated condition resulted from the in-situ roller compaction test is proposed by setting the initial value of loading function in the finite element analysis.
提出了在有限元计算中通过给定加载函数初始值的方法来描述坝料由碾压过程所致的初始超固结状态。
The flutter reliability could be more accurately analyzed by using the proposed method based on a deterministic finite element method in which the limit state function is implicitly represented.
实际的悬索桥颤振可靠度应该采用基于有限元法的改进响应面法进行计算。
Combined model on the basis of the Finite Element Method and Multisurface Function was used to improve approximating precision and reliability in modelling abnormal height surface.
应用有限元法与多面函数法的加权综合模型改进拟合模型在逼近高程异常曲面时的拟合效果。
Methods The matter-element model of pharmaceutical segment market is established, and by using incidence function and priority-degree evaluating method, the pharmaceutical target market is selected.
方法建立医药营销细分市场的物元模型，运用关联函数和优度评价法进行医药目标市场选择。
The incompressible, Newtonian fluid flow equations are solved using finite element method. The free surface motion of molten metal is tracked by the volumetric function approach.
使用有限法求解不可压缩牛顿流体流动控制方程，用体积函数法跟踪金属液自由表面的移动，预测了机体充型过程的流动速度场和温度场。
The incompressible, Newtonian fluid flow equations are solved using finite element method. The free surface motion of molten metal is tracked by the volumetric function approach.
使用有限法求解不可压缩牛顿流体流动控制方程，用体积函数法跟踪金属液自由表面的移动，预测了机体充型过程的流动速度场和温度场。
应用推荐