By using the projective geometry, some schemes for generating rational curves from pencil of lines are investigated in this paper.

From pencil of lines to rational curves

从直线束到有理曲线

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Method for Generating New Curves by projective Families of Pencil of Lines

一种用射影线束族生成曲线的方法

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There exist analogue relationships among structural mechanics, theory of elasticity, electric circuit analysis and control theory, etc. The analogue relationships can be founded in the general theory system, dual variables system.

结构力学、弹性力学、电路分析、控制理论等学科领域间存在着模拟关系，这种模拟关系可建立于公共的理论体系&对偶变量体系。

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Based on that, the paper applied the theories of Fluid Mechanics and Mechanics of Elasticity to the double tube telescopic damper, developed the mathematical model with 7 parameters for the first time.

并在此基础上，应用流体力学和弹性力学的有关理论，针对双筒液力减振器首次提出了合理的7参数数学模型。

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The surrounding rock of roadway is a kind of complex geologic body showing the mechanics characteristic of elasticity, elasto-plastic, visco-plastic and so on.

巷道围岩是一种复杂地质体，表现出弹性、弹塑性、粘弹性、粘塑性等多种力学特性。

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Uniting load transfer function of single and mechanics of elasticity, analyzing and calculating method considering slip of pile and soil and whole stiffness dynamic adjusting of pile group is put forward. Obviously, the method is more in consistent to reality.

采用单桩荷载传递函数和弹性力学相结合，提出了更加符合实际情况的群桩分析方法，该方法考虑了桩土相对滑移以及桩顶整体刚度随荷载动态调整。

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Analytical analysis is based on mechanics of elasticity. When we use ANSYS software to do finite element analysis, axis symmetry element PLANE 183 and three-dimensional twenty-node solid element SOLID 186 are used separately.

解析分析以弹性力学为依据，有限元分析采用ANSYS软件，在利用ANSYS软件进行有限元分析时，分别采用了实体单元中的轴对称单元PLANE183和三维二十节点的六面体结构实体单元SOLIJD186。

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In this paper, a temperature stress integral formula for the linings and surrounding rock of hydraulic pressure tunnels has been developed accurately by the elastic-contact theory on the basis of mechanics of elasticity.

本文还应用弹性力学中的弹性接触理论，严密地导得了水工有压隧洞衬砌和围岩的温度应力积分表达式。

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This paper discusses a deliberating problem generally existing in both a famous book on mechanics of elasticity,《 Theory of Elasticity 》, by S. Timoshenko and in many text books in our country.

本文论述了S.Timoshenko的著名弹性理论（Theory of Elasticity）及我国目前多数教材中存在的一个普遍性值得商榷的问题。

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In this paper the importance of stress positive-negative regularity on tilt section in plane problem of mechanics of elasticity is introduced and the regularity is proved.

介绍了弹性力学平面问题中斜截面上应力的正负规定的重要性及其对该规定的论证；

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Using the method of finite element analysis and theory of mechanics of elasticity, strain profiles of soft tissues under different circumstance were calculated and presented in this paper.

本文利用有限元分析的方法，用弹性力学的理论计算得到软组织在不同情况下的应变分布。

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Calculation examples show that the Symplectic difference method is effective, providing a new calculation method for the Symplectic system of mechanics of elasticity.

编程并计算了有关算例，结果表明辛差分法是有效的，为弹性力学辛体系提供了一种新的数值方法。

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The Stroh's theory is widely used in mechanics of elasticity, especially in plane problems.

Stroh理论在弹性力学中应用非常广泛，尤其在平面问题中经常被应用。

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Solving Plane Problems with Mechanics of Elasticity by Spline Fintie Analytic Method

样条有限解析法解平面弹性力学问题

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Some application of δ function and its Fourier series in Plane Mechanics of elasticity

δ函数及其Fourier级数在平面弹性力学中的应用

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Cross Framework Model Solving Plane Stress Problems with Mechanics of Elasticity

弹性力学平面问题的十字构架模式

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Solving Mechanics of Elasticity With Virtual Boundary-Least Square Method

用虚边界-最小二乘法求解弹性力学问题

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Wellbore stability evaluation system is developed according to principles of elastic mechanics, rock mechanics, and ground sress.

井眼稳定性评估系统是利用弹性力学、岩石力学和地应力学理论进行井眼稳定性评价和预测，并判断井眼失稳形式且推荐合理、安全的钻井液密度的计算机软件系统。

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The solution of elastic mechanics for annular plate and its application on the measuring of earth pressrue

圆环板的弹性理论解及其在地压测试中的应用

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The upper layer is analyzed by Euler-Bernoulli beam theory and the middle layer by the classical elastic mechanics theory.

面层用Euler-Bernoulli梁理论来分析，中间夹层用经典弹性力学来分析。

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