为判断半刚性基层振动压实能否造成下承层的早期破坏,对半刚性基层在移动—振动压实荷载作用下的下承层动态应力响应进行分析。
The dynamic stress response of the lower course by moving-vibrating compaction on semi-rigid base was analyzed to judge whether it caused early wreckage to the lower course.
许多化工过程的精确动态分析计算是一个大规模的刚性常微分方程组的求解问题。
The accurate dynamic analysis of a lot of chemical processes is a large scale problem of solving an array of combined stiff ordinary differential equations.
提出了计入“动态误差”和“刚性误差”调整“补偿运动”的原则和方法。
Besides, it proposes the principles and methods to adjust the compensation movement reckoning in "dynamic error" and "rigid error".
基于反馈线性化控制理论,推导出了平面3r刚性冗余度机器人的零动态方程。
Based on the control theory of feedback linearization, the zero dynamics equation for a planar 3r rigid redundant robot was derived.
结果表明,荷载的行进速度对刚性路面动态挠度的最大值有很大影响,而加速度主要影响挠度最大值出现的位置。
The study has revealed that the speed of loading has enormous implications to the maximum dynamic deflection of rigid pavement and acceleration mainly effects the position of the maximum deflection.
提出了刚性叶片和柔性叶片的概念,分析了叶片振动和叶片安装间距误差对动态间距的影响。
At the same time, the can ception of rigid blade and flexible blade are presented. The influence made by blade vibration on the dynamic space is analysed.
对薄壁扁球壳结构撞击刚性板的动态响应和吸能特性进行了研究。
Dynamic response and energy absorbing characteristics of shallow spherical shell structures when impacting a rigid plate are studied here.
对于大多数敞篷车,扭转刚性对减小风挡振动和保持动态稳定性特别重要。
Torsional rigidity is vital to minimise the scuttle shake associated with most convertible cars and to help maintain the car's dynamic composure.
基于损伤条件下果实刚性跌落冲击变形特征,提出一表征其非线性黏弹性的动态流变模型,建立多层果实跌落冲击模型。
The dynamic nonlinear viscoelastic model and dropping shock model of multilayer fruit were developed in terms of the dynamics characteristics obtained by dropping shock tests.
初步确定了半刚性材料的动态模量的试验方法。
The testing method of dynamic modulus for semi-rigid materials is submitted initiatively.
本文讨论移动荷载下、弹性半空间地基上的刚性道面水泥混凝土加铺层的动态设计理论和计算方法,并试图把此套方法与场道无损检测评估系统结合起来。
Research on theory and methods of the overlay on existing rigid concrete pavements, which is on semi-infinite elastic medium to moving load, is involved in this paper.
横梁导轨采用阶梯式结构,选用进口重载滚柱导轨支撑,刚性强,定位精度好,动态特性佳;
The guide rail of girder applies step structure, selects imported heavy-load roller guide rail support, with strong rigidity, good orientation precision and good dynamic feature;
第二部分工作则从前面合成得到的C3对称的三维骨架出发,通过动态共价化学的方法定量地合成得到了一系列刚性的纳米级荧光笼状结构。
In the second part, a readily modifiable structure with C3 symmetry was developed to quantitatively build a series of 3D shape-persistent fluorescent nanocages via dynamic covalent chemistry.
把安装支架作为减振系统的一部分,应用有限元动态优化法设计出刚性增强的安装板和动态结构性能良好的安装支架来改善减振效果。
Using the finite element dynamic optimization method, a stiffer installing plate was designed, and another fixing bracket with better dynamic characteristics was developed.
针对复杂液压系统动态特性仿真中出现的刚性问题,从基本液压元件的建模入手研究了降低系统模型刚性问题的方法。
Modeling problems of hydraulic components are discussed and methods to reduce the stiff problems in dynamic simulation of complex hydraulic system are studied.
经验证,所编制的动态模拟程序可适用于强刚性体系,并且模拟结果可靠,具有足够的精度。
It was proved that the software programmed by the author was successfully used in strong stiff distillation system, and the results of dynamic simulation are reliable and sufficiently accurate.
经验证,所编制的动态模拟程序可适用于强刚性体系,并且模拟结果可靠,具有足够的精度。
It was proved that the software programmed by the author was successfully used in strong stiff distillation system, and the results of dynamic simulation are reliable and sufficiently accurate.
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