The spline Ritz method was proposed and used to analyse the shear lag effect of box girders.
结合样条函数和里兹法提出薄壁箱形梁剪力滞效应计算的样条里兹法。
The convergence of Ritz method based on the principle of minimum potential energy is discussed.
本文讨论了基于最小势能原理的里兹法的收敛性。
Base on Rayleigh-Ritz method, a calculation formulation of action effect increment of a prestressed horizontal tension rod is firstly presented.
根据瑞利—李滋法，对先张法预应力吊车梁首次提出了预应力水平拉杆作用效应增量的计算公式。
The buckling radius was deduced by using the principle of minimum potential energy, Rayleigh-Ritz method and the relevant composite material mechanics.
利用最小势能原理、瑞利-利兹法以及相关的复合材料力学理论，推导出预浸料侧向屈曲半径公式。
But this partial differential equation can not be directly integral, so usually use Navier method, Rayleigh Ritz method and finite difference method and other methods.
但这一偏微分方程不能直接积分，所以通常用纳维法、瑞利-里兹法、有限差分方法等方法求解。
This article adopted Ritz method and divide-fit mathematical method, solved the problem of elastic buckling of thin plate under compression and bend multiplicity action.
采用里兹法和切分拟合的数学方法，讨论了单向压缩和弯曲共同作用的薄板弹性屈曲问题。
A kind of polynomial satisfying the displacement boundary conditions is designed, which makes it possible to evaluate the upper limit of fundamental freqrency by Ritz method.
文中还设计了一种能满足位移边界条件的多项式作为振型试函数，从而用里兹法得到相应的上限值。
The effects of geometry parameters of ellipse and stitching thread on buckling loads are investigated by Rayleigh Ritz energy method.
通过应用瑞利里兹法研究了分层椭圆几何参数和缝线等效弹性系数对压缩屈曲载荷的影响。
A new approximate formula for the large deflection problem of compression bar with two ends are simply supported is obtained, by the use of Ritz-Galerkin method.
通过非线性振动中常用的里兹-伽辽金法，推出了两端铰支压杆大挠度问题的一个新近似公式，计算结果表明具有较高的精度。
The example shows that the RITZ solution is accurate enough and it can be used conveniently to measure and estimate the tension of rigid cables with vibration method.
算例表明，RITZ法给出的显式解具有较好的精度，可方便地用于振动法测估刚性拉索的索力。
The equation of free vibration frequency of this system has been derived by Averaging Method of W. Ritz and a numerical example is given.
用里兹平均法导出了系统的自由振动频率方程，并举出一计算实例。
The equation of free vibration frequency of this system has been derived by Averaging Method of W. Ritz and a numerical example is given.
用里兹平均法导出了系统的自由振动频率方程，并举出一计算实例。
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