2) differential quadrature method
微分求积法
1.
Differential Quadrature Method for Viscous/Viscoelastic Fluid Flow and Heat Transfer Problems;
粘性/粘弹性流体流动和热迁移问题的微分求积法
2.
Transverse vibration of an axially moving plate based on differential quadrature method
基于微分求积法的轴向运动板横向振动分析
3.
The equilibrium equation with frictional resistance was derived and solved by u- sing the differential quadrature method.
提出了在斜直井中钻柱正弦屈曲分析时对摩擦阻力的处理方法,给出了考虑摩擦阻力时的屈曲平衡方程,建立了相应的微分求积法列式,用微分求积法时平衡方程直接求解。
3) DQM
微分求积法
1.
The differential quadrature method(DQM) is applied to truncate the governing equation into a set of two-order ordinary differential equations with respect to time domain.
基于牛顿法推导出了输液曲管模型面内振动的非线性控制方程,利用微分求积法将系统的偏微分方程转化为关于时间域的二阶常微分方程组;在此基础之上,采用数值迭代技术求解了输液曲管的非线性动力学方程。
2.
Depending on the nonlinear equation of motion and the corresponding boundary conditions of the curved pipe,the differential quadrature method(DQM) is applied to formulate the dynamic motion equation of the system,which is a two-order ordinary differential equation with respect to time domain.
基于牛顿法导出了输流曲管模型的非线性控制方程,并利用微分求积法对此方程在空间域进行离散,导出了输流曲管的非线性动力学方程组。
3.
A generalized differential quadrature rule (GDQR) and the differential quadrature method (DQM) were applied to obtain the nonlinear static solution of an immovably simply supported beam.
采用微分求积法(DifferentialQuadratureMethod)和广义微分求积法则(GeneralizedDifferentialQuadratureRule)分析了轴力影响不可忽略时简支梁的非线性静力问题,求出了问题的数值解。
4) differential quadrature method(DQM)
微分求积法
1.
The chaotic motion in pipeconveying fluid was numerically solved by using the differential quadrature method(DQM).
提出采用微分求积法数值求解输流管道的混沌运动问题。
2.
In this paper, the differential quadrature method(DQM) is briefly described, and is used to deal with the problem of the buckling of a column under axial loading.
叙述了微分求积法(differential quadrature method)的一般方法,研究用微分求积法求解在均布 轴向载荷下细长杆的稳定问题。
3.
Based on differential quadrature method(DQM),a new method for sensitivity analysis of response waveforms of interconnect lines is proposed.
提出一种基于微分求积法、对互连线的响应波形进行灵敏度分析的新方法。
5) differential quadrature
微分求积法
1.
The formulations of the plates with elastic support are described by the differential quadrature method.
采用微分求积法(DQM)分析了Winkler和双参数弹性基支矩形板的静力弯曲问题,计算了固支、简支和自由及其组合边缘情况下矩形板的挠度和弯矩,同时考察了地基参数对板的影响。
2.
New developments have been made on the applications of the differential quadrature(DQ)method to analysis of structural problems recently.
用微分求积法进行结构分析是由美国著名教授Bert于1988年引入的,这些年来有了较大的发展。
3.
The differential quadrature.
本文综述了微分求积法(differentialquadrature)在结构力学中的应用和发展现况,并指出了一些亟待解决的问
6) differential quadrature method(DQ method)
微分求积法(DQ法)
补充资料:三次样条插值法
分子式:
CAS号:
性质:样条函数中最重要的一种函数。若函数S(x)在区间[a,b]的每一分段[xi-1,xi](i=s,2,…n)上是三次多项式,而整条曲线及其斜率是连续的,便称它是定义在区间[a,b]上的三次样条函数(cubic spline function)。利用拟合的多项式计算函数值,将计算的函数值插入到原有的实验点之间,然后再根据所有实验点拟合成曲线。用三次样条插值法获得的曲线具有很高的精度。
CAS号:
性质:样条函数中最重要的一种函数。若函数S(x)在区间[a,b]的每一分段[xi-1,xi](i=s,2,…n)上是三次多项式,而整条曲线及其斜率是连续的,便称它是定义在区间[a,b]上的三次样条函数(cubic spline function)。利用拟合的多项式计算函数值,将计算的函数值插入到原有的实验点之间,然后再根据所有实验点拟合成曲线。用三次样条插值法获得的曲线具有很高的精度。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条