The last two integrals correspond to the natural boundary conditions.
最后两个积分对应于自然边界条件。
The results indicate that the higher order element exhibits better convergence than the lower order element in all cases without imposition of natural boundary conditions.
结果表明，在所有情况下，与低阶元素相比，高阶元素均显出有较好的收敛性。
Thinking over the influence of box beams shear lag effect, making use of the governing different equations and related natural boundary conditions of bending vibration to box girder.
考虑箱形截面梁剪力滞后效应的影响，利用推导出的箱形截面梁的弯曲振动方程及其自然边界条件，并据此进一步推导出了多跨箱形截面梁的固有频率方程。
In this paper, we investigate the artificial boundary conditions and its numerical methods based on natural boundary reduction for hyperbolic initial boundary value problems.
本文研究双曲型初边值问题基于自然边界归化的人工边界条件及其数值方法。
The changing pattern of the natural vibration characteristics of thin rectangular elastic plate is studied under the boundary conditions of elastic support and elastic embedding.
研究了在弹性支撑和弹性嵌固边界条件下，弹性矩形薄板固有振动特性的变化规律。
Using the length-determination method, an analytical solution of the relation between natural frequencies and shell lengths with arbitrary boundary conditions is obtained.
利用长度待定法，得到壳体在任意边界条件下固有频率与壳长关系的精确解。
The torsional vibration equation can be solved exactly in every segment, then the natural frequency is given by using continuous conditions and boundary conditions.
每一段的扭振方程可精确求出，然后，根据边界条件和连续条件可将扭振固有频率计算出来。
By this Method, the natural frequency of revolution with geomeric axisymmetric imperfections was computed for two kinds of boundary conditions: one is fixed, the other is elastically supported.
计算中考虑了两种边界条件：一种是固定支承的；一种是弹性支承的。
By further simplification, the unified expression of natural frequencies for FGM parallelogrammic plates with various boundary conditions wa…
在简化情况下，给出了各种边界条件平行四边形功能梯度板各阶固有频率解的统一表达式。
By further simplification, the unified expression of natural frequencies for FGM parallelogrammic plates with various boundary conditions wa…
在简化情况下，给出了各种边界条件平行四边形功能梯度板各阶固有频率解的统一表达式。
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