The Generalized Distinction Theorem of Objectivity Quantum in Rational Mechanics In this article, the expression on the conditions under which the generalized energy integral exists is discussed, and the physical significance of the general energy integral is expounded. 理性力学中客观性量的广义判别方法讨论广义能量积分存在条件的表述,并阐明广义能量积分的物理意义。
Starting with the nonlocal continuum theory, a new rational mechanics method is applied to study logically the cohesive stress law of ahead of a crack tip. 从非局部连续介质理论出发,采用一种新的理性力学方法对裂纹前缘内聚应力分布规律进行研究。
Rational support methods should be chosen on the basis of analyses of the soft rock features of engineering mechanics and environment effects. 指出合理支护方式的确立,应建立在对软岩工程力学特性,以及环境效应影响等因素分析的基础上。
New trends in mechanics: I. generalized differential variational principles in rational mechanics 力学的新动向:Ⅰ.理性力学中的广义微分变分原理
A material model of hot forming of this type of steel is established, which provides basic data for hot forming process of FEM numerical simulation and the scientific basis for rational determination of mechanics parameter and temperature parameter. 建立了该钢热成形的材料模型,给有限元数值模拟该钢热成形过程提供了基本数据,也为热成形力能参数和加热温度的合理确定提供了科学依据。
Main work is access rational inward-outward water pressure to calculate during diversion tunnel concrete structural design, and combine the analysis of diversion tunnel adjacent rock stability, the result of structural mechanics method is checked by planar finite element method. So the design is scientific and rational. 隧洞混凝土结构衬砌设计主要对内、外水荷载作用的合理取值进行分析,结合施工期围岩稳定分析,采用平面有限元对结构力学法计算结果进行了复核,设计科学、合理。
Study on the Approximation of Small Deformation Theory by Rational Mechanics 试用有限变形几何场论分析小变形理论的近似性
Based on rational mechanics, the paper theoretically discusses the deformation mechanics of rock-burst. 运用理性力学的理论,本文用变形运动方程从理论上探讨岩爆的变形力学机制。
This paper presents briefly the incompatibility theory of deformable bodies ( or the continuum theory of defects), developed by Noll, Wang and others from the view point of rational mechanics. 本文介绍Noll和Wang等人用理性力学观点建立的变形体非协调理论(即缺陷的连续统理论)。
Temper parameter [ P] equal to 21 is rational according to the mechanics property tests of the welded joints. 根据焊接接头的力学性能检验,规定回火参数[P]等于21是合理的。
The practices indicated that the structure of interval interfix type multi-span plastic greenhouse was rational, and has fine mechanics properties and low costs. 生产实践表明:该型温室结构设计合理,具有优良的力学性能和价格优势。
The coal mine's geological conditions are classified, and the rational sizes of strip coal pillars in strip mining are discussed using the theory of continuous medium mechanics. 首先对煤矿地质条件进行分类,采用连续介质力学理论,探讨条带开采的合理条带煤柱尺寸。
The results indicate that the structure of this greenhouse is rational, and has fine mechanics properties. 研究结果表明,该温室结构合理,具有优良的力学特性。
And the rational design of pile foundation with high bridge pier is an important technical problem on the basis of understanding the structure characteristics of bearing mechanics, deformation and stability. 因此,如何在全面掌握高桥墩桩基础承载机理、变形与稳定特性的基础上,对其进行合理设计,目前已成为山区高架桥基础工程所面临的重要技术难题。