应用力学

These include the theoretical convergence of asymptotic, applications in solid mechanics, seepage problems and ground engineering.

这些措施包括理论收敛渐近，应用固体力学，渗流问题和地面工程。

Carbon fiber-Reinforced Bakelite is widely used in aerospace, and its high pressure mechanical properties become the study hotspot in recently years.

碳酚醛材料在航空航天领域有着广泛的应用，其高压力学性能的研究逐渐受到人们的关注。

To give the definition of the mass concrete and to concrete\'s cracks together with practical meanings of control ,and give a brief review on the research in the field at home and abroad, at last, methods to control temperature crack of the mass concrete from several aspects such as design measures,concrets material, construction schedules.etc are summed up; To explain the physical mechanics of the concrete and computing methods-Difference Method and Finite Element Method, and illustrate the application of their specific methods repectively;Several temperature factors that can influence the temperature stress of mass concrete baseplate are analyzed. The influence degree of temperature factor can be got through the ANSYS simulation computation the control of temperature can control the temperature stress, consequently control the temperature crack of mass concert baseplate; through the influence of the crack resistance ability of mass concrete baseplate which takes the reinforcement as a part is analyzed. By ANSYS simulation, the best suited volume ratio of reinforcement is found out, at same time the layout of reinforcement with the same volume ratio can also affect the resistance ability of mass concrete baseplate. Sum up of above analysis, anti-crack function of steel bar in early mass concrete baseplate is obvious, so it\'s necessary to consider beneficial effect of construction steel bar in research of temperature control on mass concrete baseplate.

本文先容了大体积混凝土及混凝土裂缝的基本概念，对国内外在这个领域里的研究现状作了扼要叙述，并从结构设计、混凝土材质、施工措施等方面总结了大体积混凝土温度裂缝控制的方法及防止措施；阐述了混凝土的基本物理力学性能，总结了大体积混凝土温度计算的方法——差分法和有限元法，并分别举例说明其具体应用的方法；分析了影响大体积混凝土底板温度应力的几种温度因素，利用ANSYS模拟计算，得出了每种因素的影响程度，通过分析提出了在这几种温度影响因素下如何通过控制温度以达到控制温度应力从而来控制裂缝的具体建议；针对大体积混凝土基础底板中配筋的不同对混凝土底板抗裂能力的影响不同，利用ANSYS进行模拟分析，得出底板中最合适的体积配筋率，同时分析了在相同体积配筋率下钢筋的具体布置对大体积混凝土基础底板抗裂能力的影响，分析表明，配置钢筋对混凝土结构的开裂阻止作用明显，在研究大体积混凝土温度裂缝题目时，要考虑钢筋在其中的有利作用。

Using ABAQUS/Explicit simulation research and experiment research, from the view of statics and kinematics, it deeply analyzed the basic rules of cold ring rolling deformation, researched the distribution laws of residuary stress, deduced formulas about moving parameters of rollers and constructed design and optimization model for technology parameters. All above researches provided academic and experimental basis for the development of cold ring rolling technology.

本文通过ABAQUS／Explicit有限元模拟研究和实验研究，从静力学、运动学方面，深入分析了环件冷辗扩变形基本规律，研究了残余应力分布规律，推导出了轧辊的运动参数设计公式，建立了工艺参数设计和优化模型，为环件冷辗扩技术应用发展提供了理论和实验依据。

In this paper, the application of Hamiltonian systematic theory in plate bending problem is studied.

本文主要讨论哈密顿体系理论在弹性力学中的具体应用。

The paper draws linear unusual differential equation a_0y~(n+a_1y~(n-1+…+a_(n-1)y′+α_ny=∑mi=0k_iδ~(i from the practical problems in the engineering field of electronic technology,circuit analysis,mechanics of materials,mechanical design and civil architecture,discusses the dependence of the solution of the equation on that of homogeneous,gives the algorithm of the equation,and draws the general algorithm of semi-odd number rank unusual Bessel differential equation.

在电子技术、电路分析、材料力学、机械设计和土木建筑等工程技术领域中，常会遇到一类非齐次项为奇异函数的广义线性微分方程，本文给出这类奇异微分方程的解对齐次解的依赖性，从而得出这类奇异微分方程的解法，求出了半奇数阶奇异Bessel微分方程的通解。如下列应用问题中的微分方

Objective To explore the biomechanical characters and the clinical outcome of biodegradable tension band in the treatment of fractures.

目的 探讨可吸收张力带固定的生物力学性能及其在骨折治疗的临床应用效果。

Application to biomechanics of natural materials and structures.

在自然材料和架构的生物力学上的应用。

Objective:To study the mechanism of manipulation in treating for lumbar disc herniation by means of biomechanics.

目的 ：应用生物力学的方法研究推拿手法治疗腰椎间盘突出症的机制。

Cubic boron nitride attracts widespread interest as a promising material for many potential applications because of its unique physical and chemical properties.

立方氮化硼具有优异的物理和化学性质，在力学、光学和电子学等方面有着广泛的应用前景。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。