实际上，大多数油井套管的损坏是由非均匀载荷引起的。
In fact, most of casings are collapsed by non-uniform loading.
计算结果表明，在非均匀载荷情况下，套管强度破坏的危险性会增加。
The computation result shows that the risk of casing destruction will increase under the condition of non-uniform load.
采用薄板弯曲理论研究了均匀载荷作用下多晶金刚石方膜在小挠度和大挠度下的应变分布情况。
The strain distribution based on small and large deflection theories of diamond square diaphragm was studied using theories of plate bend.
在套管的强度方面，分析了水泥坏、射孔、非均匀载荷等套管强度的影响，提出了套管强度减弱系数的概念。
In strength of casing, based on analyzing the influences made by cementing, perforating and non-uniform, the concept of decrease factor of casing strength.
其结果有利于指导在非均匀载荷作用下割缝的设计，对分析套管变形损坏的机理提供了依据，有利于对套损预防提出有效的建议。
The result is propitious to the optimization design of casing slotting under non-uniform load, and offers a gist for analyzing casing failure mechanism.
根据全断面岩石掘进机盘形滚刀工作时的受力，建立了刀盘受力均匀且横向载荷为零的盘刀布置规律。
According to forces applying on the disk-shaped cutters of whole-section tunneler, cutter arrangement rules are established with even loading on the disk and null traverse load.
圆板受均匀分布的矩形脉冲载荷作用。
The plate is subjected to a uniformly distributed rectangular load pulse and Simply-supported along its edge.
将均匀梁结构延拓并加上附加载荷，使梁的位移化为周期函数。
A homogeneous structure of beam is in continuation and bears additional load; and the displacement of the beam is converted into periodic function.
行星齿轮传动只有在载荷分配均匀情况下才能发挥传动比大、结构紧凑、效率高、承载能力大、传动平稳等优点。
On load sharing condition, the planet-gear shows several advantages such as great transmission ratio, compact structure, high efficiency, large load capacity and drive steady.
采用有限元分析方法，运用大型有限元软件ABAQUS，分析计算了受非均匀外挤载荷作用下的套管挤压强度。
Finite analyzing method and large finite software ABAQUS were used to analyze and calculate extrusive intensity of casing pipe under non-symmetrical load.
作为算例，给出了环形板在中面均匀径向压力和剪切力作用下的临界载荷。
As examples, the critical loads of annular plates under the uniform radial pressure and shear forces are given.
研究了功能梯度材料截顶圆锥壳在横向机械载荷与非均匀热载荷同时作用下的变形问题。
The deformation of functionally graded truncated conical shell subjected to transverse mechanical load as well as non-uniformly thermal load is studied.
最简单的加载情况是周期地、均匀而重复地施加的载荷。
The simplest imposed conditions are those in which the loading is periodically and uniformly repeated.
研究结果表明，第一级星轮及其所在轴轴承偏心误差对系统载荷不均匀系数的影响最大；
The results show that the run-out errors of the first stage planet gear and its bearing have the most significant effect on the load sharing coefficient.
为了研究梯度非均匀有限板中裂纹动态响应问题，用波动有限元的方法研究了梯度非均匀板中裂纹在冲击载荷作用下的动态响应。
The wave finite element method was used to study the dynamic response under impact loading in a gradient non-homogeneous plate with a crack.
中国矿业大学提出并研制的轮式软岩破碎机能够实现破碎大粘土块，克服冲击载荷、粘料、涌料及均匀物料流等。
The wheel type soft rock crusher provided and developed by China University of Mining and Technology can crush larger pieces of clay. The soft rock crusher has overcome the impact loading, …
其次，采用有限元方法，研究了非均匀地应力条件下蠕变地层中套管的载荷。
Secondly, due to the difficulty of the analytical method in treating non-uniform in-situ stresses, finite element method is used instead.
随着星轮个数增加，系统载荷不均匀系数增大。
The load sharing coefficients of the two stages are increased with the number of planet gears.
集中载荷比分散载荷破坏作用大，应消除咬合高点，建立分布均匀的多点咬合接触。
The lean of cusp should be reduced . The abnormally high occlusal points should be deleted. The bite points should be well distributed.
这一结论说明：在均匀水平地应力条件下，地层各向异性对套管受力有着较为明显的影响，在设计套管外挤载荷时，应该给予充分考虑；
So it is obvious that the formation orthotropy has great effect on the casing stress, which should be considered in casing design process.
用三维有限元数值模拟软件DEFORM-3DTM进行了数值模拟研究，得到了锻造载荷-行程曲线以及整个成形过程的应力和应变分布等，并与传统的均匀加放余量法进行了比较。
At the same time, 3D-FEM simulation of the whole process was performed using DEFORM-3DTM software. And the load-stroke curve, effective stress and strain distribution, and so on were obtained.
将此方法应用于复合材料加筋结构的冲击载荷识别，加筋结构等效为材料性质不均匀分布的层板结构，采用假设模态法建立正向冲击响应模型。
The stiffened composite panel is modeled as an equivalent laminate with varying properties and the forward impact response is obtained using an assumed mode approach.
中国矿业大学提出并研制的轮式软岩破碎机能够实现破碎大粘土块，克服冲击载荷、粘料、涌料及均匀物料流等。
The wheel type soft rock crusher provided and developed by China University of Mining and Technology can crush larger pieces of clay. The soft rock crusher has over...
中国矿业大学提出并研制的轮式软岩破碎机能够实现破碎大粘土块，克服冲击载荷、粘料、涌料及均匀物料流等。
The wheel type soft rock crusher provided and developed by China University of Mining and Technology can crush larger pieces of clay. The soft rock crusher has over...
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