以岩层控制中的关键层理论为指导，应用弹性板理论建立了关键层的刚度条件和强度条件。
Under the guidance of key layer theory in strata control, the conditions of stiffness and strength for key layer are established by using elastic slab theory.
基于经典弹性板壳理论推导管壁变形解答，得到管壁变形的解析表达式，并以此计算管壁变形刚度。
After compared with the result of tests and fitting formula, it is reasonable to deduce the resolution of tube wall stiffness based on the elastic theory.
所以作者主要是应用一维弹性波理论及板壳振动理论对局部噪声屏蔽进行理论研究，并用试验来验证理论分析的可靠性。
So one-dimensional elastic wave and plate vibration response theory are mainly applied to study the structure and experiments are made to verify the validity of the theory.
对于具有复杂边界条件的矩形外伸板，在弹性薄板理论中是一个较难解决的问题。
In the theory of elastic thin plates, to solve the problem of rectangular overhanging plates with complicated boundary conditions is very hard for long.
在弹性薄板理论中，悬臂矩形板的弯曲，长期以来是最困难的问题之一。
In the theory of elastic thin plates, the bending of rectangular cantilever plates has long remained one of the most difficult problems.
本文提出一个统一的理论计算湍流边界层压力起伏激励下无限大弹性板的噪声辐射。
A unified theory for calculating the noise radiation of an infinite elastic plate excited by turbulent boundary layer pressure fluctuations is presented.
对于深埋圆形洞室地基可视为一个双向受压无限板孔应力集中问题，由此也得到其弹性理论解析解。
For deep burying cavern foundation, it is treated as a problem of infinite plate containing a hole, whose analytical solution can be obtained by using elasticity theory.
并由此建立了一个在板的每边能满足三个边界条件的弹性改进理论和一种新的厚板理论。
Based on this theory, a refined theory of plates which can satisfy three boundary conditions along each edge of the plates and a new theory of thick plates are established.
本文对线弹性正交异性复合材料单层板裂纹尖端附近的J积分进行了系统的理论研究。
The theory of J integral near cack tip in the plate of linear elastic orthotropic composite material are systematically studied in this paper.
本文针对连接结构中含圆孔的复合材料板，根据非均质各向异性弹性理论建立计算模型。
According to the nonhomogeneous anisotropic elastic theory, a calculation model of the composite material plate with the circular hole in joint structures is set up.
在弹性地基上的自由矩形板的弯曲，在弹性薄板理论中也是个难题。
In the theory of elastic thin plates, the bending of a free rectangular plate on the elastic foundation is also a difficult problem.
本文基于梁弯曲变形的小挠度线性理论，提出了半挠性喷管挠性板弹性曲线的计算方法。
A method of calculating elastic curve for semiflexible plate wind tunnel nozzle has been presented, based on the linear theory of small deflection of beam deformation, in this paper.
文中第一部分分别导出了预应力混凝土板在弹性理论和徐变理论中的变分原理。
In the first part of the paper, variation principles in the elastic and creep theory for prestressed concrete plates are derived respectively.
平面弹性与板弯曲的相似性理论为构造薄板单元提供了一条有效的新途径。
A new effective way to formulate thin plate element can be realized by using the similarity theory between plane elasticity and plate bending.
本文首先利用状态空间法结合三角级数展开技术，对简支的FGM梁、板、圆柱壳结构进行了弹性理论分析。
So, we employ an elasticity method, i. e. state space method, to analyze the simply-supported FGM beams, plates and cylindrical shells.
弹性地基上四边自由矩形板动力和静力问题的非线性分析是板理论中的一个特别困难的问题。
The nonlinear dynamic and static analysis of rectangular plates with four free edges on elastic foundation is a rather complicated problem in the theory of plates.
除弹性理论法外，其它常用的设计和分析方法几乎都没有考虑筏板刚度对下卧层沉降的调节作用。
The raft rigidity directly affected by the dimensions of the board, however, were neglected in the traditional analyzing of substratum settlement except of the elasticity theory method.
以本城轧辊弹性变形理论为基础，通过模型简化和离散化建立了板凸度预报模型、板形预测模型及板形控制反馈修正模型。
The predicted models of plate crown, the prediction and feedback models of plate shape are set up on the basis of Ben Cheng's elastic deformation theory by simplifying and discretizing the models.
本文对粘弹性约束阻尼夹层板的动态特性进行了理论分析和数值计算。
Theoretical analysis and numerical computation for dynamic characteristic of the sandwich plate with constrained damp layer are presented in this paper.
以弹性薄板小挠度理论为基础，推导出了蜂窝式空心板的微分方程。
Based on the tiny deflection theory of the elastic thin plates, the differential equations of the cellular voided plates are given.
本文在经典弹性薄板理论的基础上，通过拟板法将双向空心板等效为正交各向异性的实心板，建立无梁空心楼板的平衡方程。
Based on elastic theory, in this paper cast-in-situ RC hollow flat slab is converted to orthotropic plates by the pseudo-plates theory and the equilibrium equation is built.
根据板的大挠度理论，考虑板内的薄膜力，建立了波浪中运动平板的水弹性运动方程。
According to the theory of a plate with large deflections, the motion responses equations of a floating plate are established considering the influence of the membrane forces.
建立并分析了投梭侧板的弹性体模型和控制系统的状态方程，提出了本系统能控性的系统等价理论。
An equivalent theorem for the controllability of the system is deduced and the optimal control point is determined.
文中求得了周边简支多边形板的弹性改进理论解，数值结果与三维弹性理论精确解的结果非常接近。
The solution of the refined theory for simply supported polygonal plates has been obtained; and its numerical result is very close to the exact solution of the three-dimensional theory of elasticity.
根据弹性板壳理论，提出大口径光学元件的几种理论模型。
According to elastic shell theory, the paper presents several theoretical models of large aperture optical cell.
根据弹性板壳理论，提出大口径光学元件的几种理论模型。
According to elastic shell theory, the paper presents several theoretical models of large aperture optical cell.
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