When the load boundaries vary with time and under the dynamics loads, the mesh generator can derefinement and re-refinement dynamically mesh with moving of stress concentration region.
当荷载作用边界随时间变化及在动力荷载作用下，网格生成器可随应力集中区域的变化而动态退化与再加密网格。
Based on the dynamics analytical method of efficiency stress, the reciprocity of saturation soil and its structure in the blasting load is analyzed.
基于有效应力动力分析法，对爆炸荷载作用下饱和土与地下建筑结构相互作用的特性进行了分析。
Then the author combines the basic equation of impact dynamics with finite element method and establishes the analysis method of complex structures under impact load.
将冲击动力学的基本方程和有限元分析相结合，建立了复杂结构在冲击载荷作用下的分析方法。
On the other hand, as an instant impact load with controllable energy, dynamic compaction is a good test in-situ for the study of soil dynamics.
另外，作为一种能量可控的瞬态冲击荷载，强夯施工可以作为一个可控的土动力学原位试验。
The main content of this paper concerns the effect of load variation on the dynamics and the fuel economy of bulldozers and the evaluation of bulldozer dynamic performance.
本文的主要内容是负荷波动对推土机动力性和燃料经济性的影响及推土机动态性能的评价方法。
The issues, inverse dynamics, trajectory tracking, load distribution and maximum dynamic contact force exerted on the environment, have been discussed through numerical simulations.
文中通过数值仿真讨论了逆动力学问题，轨迹跟踪，载荷分配和与作业环境的最北京工业大学工学博士学位论文大接触力等方面。
Then the aerodynamic pressure field obtained from the analysis of unsteady aerodynamics was transformed to the form of load pressure field which is suitable to the analysis of structure dynamics.
把非定常气动分析给出的压力场，转化为结构动力分析中的载荷压力场形式。
Through the load analysis of the conducting wire, general dynamics equation of wire motion is obtained.
通过分析导线的受力，得到了导线运动的一般动力学方程。
Multidisciplinary coupling analysis on dynamics, tribology, strength and stiffness for a shaft-bearing system was studied herein, considering misalignment caused by shaft deformation on variable load.
轴倾斜使得轴-轴承系统的动力学响应、润滑性能以及轴颈表面动应力发生改变。
In this paper, a elastic-plastic dynamical constitutive model on jointed rock masses under blasting load is established with the help of the multiple rigid-body dynamics and contact-impact theory.
运用多刚体系统动力学及接触冲击理论建立了节理岩体弹塑性动态本构模型。
Wind load is one of high-rise construction main lateral loads, under the structure wind load function dynamics analysis provides scientific basis for the high-rise construction design.
风荷载是高层建筑主要侧向荷载之一，结构在风荷载作用下动力学分析能为高层建筑设计提供科学依据。
Torque acted at the input side as driving power, and the simulated load was put at the output side, and dynamics splines, which were almost equivalent to the results of experiments, were got.
在模型输入端输入转矩作为动力，在输出端施加各种模拟载荷，仿真后得到了与实验基本一致的动力响应曲线。
The basic design property index of satellite gear trains that include movement precision, dynamics precision, equal load property are analyzed with probability method.
采用概率方法分析了卫星齿轮传动系统的运动精度、动力精度和均载性能等基本设计指标。
Objective: To discuss the mechanism how the sacrum fracture happens under the dynamics clashing load.
目的：探讨骶骨在冲击载荷作用下发生骨折的机理。
The major dynamics of a boiler include non-linearity, non-minimum phase behavior, instability, delay and load disturbance. The traditional control strategy could not offer satisfactory result.
工业锅炉的主要动态特性包括非线性、非最小相位特征、不稳定性、时滞和负荷干扰，采用传统控制方法难以实施有效控制。
The dynamics for the extensional movement may be attributed to the gravitational collapse caused by the increasing load of the continuously rising plateau and the regional stress of its surroundings.
其动力学原因可能与持续隆升的高原自重增大引起的重力崩塌及其周边区域构造应力状况有关。
During the design of under frequency load shedding (UFLS) schemes, some simple models for frequency dynamics analysis are obviously inadequate since they do not take system voltage into account.
进行系统低频减载方案设计时，简单的频率响应模型由于未考虑系统电压对频率过程的影响而导致不少情况下无法适用。
This integrated model consists of two sub-models:the small signal sub-model of network and load considering dynamics and the complete sub-model of DG inverters.
通过计算该模型特征值，可直观分析微网小信号稳定性和比较不同控制策略的动态性能；
It is discussed in this paper that the high speed and heavy load rotor system connected by the gear coupling has dynamics characteristics in the misalignment.
研究了由齿式联轴器联接的高速重载转子系统不对中时的动态特性。
It is discussed in this paper that the high speed and heavy load rotor system connected by the gear coupling has dynamics characteristics in the misalignment.
研究了由齿式联轴器联接的高速重载转子系统不对中时的动态特性。
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