薄板的

Thus, when we calculate the interior force of sheet, we mainly calculate bending moment and twisting moment.

因此，在计算薄板的内力时，主要是计算弯矩和扭矩。

At last, the deflection of elastic thin plate is calculated by generalized complementary energy principles with two kinds of variables.

最后，应用两类变量广义余能原理求解弹性薄板的挠度。

Since the number of generalized coordinates is large when using the finite elemen

因为用有限元离散时，柔性薄板的广义坐标规模较大，故仿真计算需要时间较长，所以模态截断法被用来缩减广义坐标数量，提高计算效率。

Since the number of generalized coordinates is large when using the finite element method, MTA is usually used for improving computational efficiency and only lower-order modes are chosen.

因为用有限元离散时，柔性薄板的广义坐标规模较大，故仿真计算需要时间较长，所以模态截断法被用来缩减广义坐标数量，提高计算效率。

The solutions of thin bending rectangular plate with one subtense edges simply supported and the other subtense edges free, large deflection under uniform pressure are obtained by the Reciprocal Theorem Method in this paper. From the results it can ha found that the method is valid in non-linear questions and develops a new access.

主要应用大挠度弯曲薄板的第二类功的互等定理，求解在均布载荷作用下一对边简支一对边自由矩形板的挠曲面方程，计算结果表明，大挠度弯曲薄板功的互等定理在解决非线性问题方面简单有效，为求解相关大挠度问题开辟了一个新的途径。

In polar coordinate, when it is the axisymmetric bend of circular sheet, differential equation of elastic curved face can be q written as: 2 2 w = D or d 2 1 d d 2 w 1 dw q 2+ 2 += dr dr r dr r dr D

如果圆形薄板所受的横向载荷是绕z 轴对称的，则该弹性薄板的位移也将是绕z 轴对称的，即是r 的函数，不随θ而变。

Subharmonic vibration of a rectangular thin plate with four sides free on the Winkler foundation is studied.

研究Winkler地基上四边自由矩形薄板的亚谐共振问题。

Instead of the rather complicated analytical method and computer aided numerical method for solving two dimensional steady state heat conduction problem of perforated metal sheet s this paper proposes an electroconductive paper based thermoelectrical analogy method.

开孔金属薄板的二维稳态导热问题采用分析解和计算机数值解都相当复杂，不便实用。

The old method of solder ing metal sheets together has now been largely replaced by welted joints, which are made by a special efficient mechanical device.

搭接贴角焊接金属薄板的老方法，现今已基本上为对接坡口焊所取代。

The non-linear principal resonance of a conductive beam plate in a magnetic field subjected to some mechanical loadings is studied.

研究了磁场环境中受机械载荷作用梁式薄板的非线性主共振问题。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。