1、

Analytical solutions are obtained using Laplace transform and convolution theorem for the transient wave motion in saturated porous media under arbitrary stress boundary condition and displacement boundary condition, respectively.

利用拉氏变换和卷积定理,分别得到了边界自由排水时在任意应力边界条件和任意位移边界条件下瞬态波动过程的解析表达。

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2、

Dispersion ranges of stress, displacement and plastic region of different coping thickness of wall rock of an underwater highway tunnel are simulated.

模拟了某拟建中水下公路隧道,在不同隧道顶板厚度时的围岩应力、位移、塑性区的分布及大小。

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3、

Based on the Reissner Mindlin type global displacement field and predictor corrector method, the deflections and transverse shear stresses were investigated for laminated composite cylindrical shells under mechanical load.

本文根据Reissner Mindlin型的全局位移场(一阶和三阶),应用有限元预测&修正法,数值计算和分析了机械载荷作用下复合材料层合圆柱壳的挠度和横向剪应力。

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4、

Based on the Reissner Mindlin type global displacement field, a predictor corrector method for finite element analysis of laminated composite shells was introduced.

对于复合材料层合壳的有限元分析,本文根据Reissner-Mindlin型的全局位移场给出了一个预测-修正法。

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5、

Iterative method founding displacement equations and direction cosine equations of robot

建立机器人位移方程和方向余弦方程的迭代法

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6、

Based on such a pipeline corrosion model, an elastic foundation beam model is employed to express the seismic displacement and stress of pipeline as orthogonal cosine series.

在此基础上,根据弹性地基梁模型,将管线周围土体位移正交展开为余弦级数的形式,获得了地震作用下腐蚀管线位移反应和应力反应的解析表达式。

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7、

But the monitoring accuracy of dam collimation line is on low side, so that some measures such as selecting the favorable monitoring time, regular checking devices and improving monitoring methods in order to reach the goal of effective monitoring the dam horizontal displacement.

而大坝视准线监测精度偏低,必须采取选择有利监测时间、定期检校仪器、改善监测方法等措施,从而达到有效监测大坝水平位移的目的。

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8、

The program also parts of post-process functions including the random distribution of steel fibers in concrete matrix, structure shape map, discrete structure mesh map, structure displacement map, cracking map, stress map of steel bar.

程序也实现了部分后处理功能,包括钢纤维在混凝土基体中的随机分布、结构网格划分图、裂缝开展图和钢筋应力图等。

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9、

A new technique by computer has been used to trace fatigue growth of surface crack of out corner of cylindrical pressure vessel nozzles by using the methods of 1/ 4 displacement and finite element.

运用1/4点位移法和有限元技术对圆筒型容器接管外拐角表面裂纹扩展时应力强度因子的变化作了计算机数值跟踪。

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10、

Comprehensive analysis on floor plate crack is carried out according to the displacement field, stress field and internal force of the floor plate.

根据楼面的位移场、应力场、弯矩和轴力值,对楼板开裂进行了综合分析。

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11、

Because the trough movement is a standard crank mechanism, the movement equation on the displacement ( s), speed ( v), acceleration ( a) and time ( t) was established.

往复槽锅为一典型的对心曲柄滑块机构,写出了位移S、速度V和加速度a与时间t的运动方程。

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12、

Among those, the engaging displacement and jointing speed can be converted into the piston pressure plate stress and pressure variation for wet dual clutch.

其中,对于湿式双离合器的离合器接合位移和接合速度可以转化为活塞压盘的压力及其压力变化率。

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13、

Under the condition that the engaged line initial displacement is influenced by modified tooth form, the formulas of the flow pulse rate of the second type compound gear pump was deduced.

简要说明了修正时对啮合点初始位移的影响,给出了修正齿形的第2类复合平衡齿轮泵流量脉动率公式。

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14、

The final result shows that the stress peak value of the tunnel is reduced by 95% with the foamed concrete backfill layers, and dynamic parameter such as acceleration and displacement is attenuated to a certain extent.

计算结果表明,增加泡沫混凝土耗能层后,坑道结构的应力峰值衰减了95%以上,加速度和位移等运动参数也有不同程度的降低。

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15、

The active power at mains is dependent on input current modulation index, input filter parameters, input current displacement and load resistance, so are reactive power and input power factor;

输入端有功功率、无功功率和输入功率因数都与输入电流调制度、输入滤波器参数、输入电流位移和负载电阻大小有关;

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16、

This volume increment is transmitted to the elastic element ( bellows) within the gauge to make it generate a corresponding displacement.

这个体积增量通过毛细管传递到仪表内弹性元件(波纹管),使之产生一个相对应的位移。

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17、
18、

In combination with a linear wire wound potentiometer and a cam-actuated angle displacement sensor, a hydro-electric proportional relief valve is used as pressure controlling element of hoist system to compose an open loop control system for overload protection.

采用电液比例溢流阀作吊机系统压力控制元件,与线性线绕式电位器和凸轮构成的角位移传感器一起组成吊机过载保护开环控制系统。

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19、

The machine can also supercharged turbocharged small-displacement engine can burst out 150 horsepower.

这款既可以机械增压又能涡轮增压的小排量引擎可以迸发出150马力.

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20、

The fluctuations of its displacement and momentum at zero-point are also given.

方法的可靠性及阻尼谐振子的坐标、动量的零点涨落亦得到讨论.

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