The nonlinear dynamic analysis to SDOF function of the back-rest system can be benefit for engineering design and improvement of weaving technology.
本文针对后梁系统单自由度运动方程的非线性振动分析对工程设计、织造工艺改善有一定理论意义;
The foregoing provides a basis for the selection of oil-film force model during the nonlinear dynamic analysis and design of an actual rotating mechanical rotor-elliptic bearing system.
研究结果为在实际旋转机械转子-椭圆轴承系统进行非线性动力学分析和设计时,选择油膜力模型提供了依据。
This supply the helpful theoretical tools for nonlinear dynamic analysis and design of rotor-elliptic bearing systems in rotating machines.
为旋转机械转子-圆柱轴承系统的非线性动力学分析和设计提供了必要的理论基础。
The time-stepping FEM model for the dynamic analysis of power system is established considering the nonlinear characteristics of internal generators and typology structures of external circuit.
建立了既考虑发电机内部非线性又考虑外部电路拓扑结构的用于系统动态分析的时步有限元模型。
The nonlinear dynamic and static analysis of rectangular plates with four free edges on elastic foundation is a rather complicated problem in the theory of plates.
弹性地基上四边自由矩形板动力和静力问题的非线性分析是板理论中的一个特别困难的问题。
The time domain nonlinear dynamic analysis of a steel catenary riser was introduced for fatigue life prediction.
研究了钢悬链立管时域非线性动力分析用于疲劳寿命预估。
Our research group has compiled the computer programs of nonlinear dynamic response analysis since 1998 in order to make these verifications possible.
为了给进行这类验证创造必要的前提条件,本学科点自1998 年起开始非线性动力反应分析软件系统的编制。
Some common nonlinear dynamic parameters are introduced, then on the basis of the characteristics of the biological experimental data, the newly developed analysis methods are illustrated.
简要介绍常用的非线性动力学参量,结合生物学实验数据的特点,给出几种最新的分析方法。
Dynamic mathematical model of ball mill pulverizing system with storage bunker is obtained by mechanism analysis, this model demonstrates the nonlinear and strong coupling feature of ball mill system.
通过机理分析的方法建立了中间储仓式制粉系统球磨机的动态数学模型,给出了其解析表达式,从理论上揭示了球磨机系统的非线性、强耦合特征。
The nonlinear dynamic response of an articulated loading tower under the action of random sea waves is carried out by means of nonlinear spectral analysis.
本文应用非线性谱分析法,对铰接装油塔在随机海浪作用下的非线性动力响应进行了分析。
The method can avoid the nonlinear dynamic time-history analysis, and can get more seismic information on structures comparing with the latter.
这种方法可以避免对结构进行复杂的非线性动力时程分析,而且能够得到比动力时程分析更多的结构抗震信息。
This is an introduction to the dynamic response time-history analysis technology for nonlinear mechanical systems with multi-degrees of freedom.
本文介绍多自由度非线性系统动力响应时程分析技术。
By using the method of nonlinear time series analysis and taking the Chinese language cognition as an example, the dynamic characteristics of language cognition system are discussed.
利用非线性时间序列分析方法,以汉语语言认知为例,探讨语言认知系统的动力学特性。
The problem of stability in the numerical integration schemes of nonlinear dynamic analysis of structures is discussed by using matrix and norm theory on a rigorous and complete basis in this paper.
本文在严格、完整的基础上,利用矩阵范数理论研究了结构非线性动力分析中数值积分格式的稳定性问题,给出了判别单自由度非线性动力方程积分格式稳定性的一般数学准则。
It propose nonlinear dynamic analyzing model calculation method of the motor in the use of nonlinear magnetic path analysis and finite element calculation.
采用非线性磁路分析和有限元计算结合的方法给出了该电机的非线性动态分析模型计算的一种思路和方法,有助于电机设计分析。
To the dynamic stability of the K8 single layer latticed shell structures under the seismic loads, this paper carried out the dynamic stability analysis based on the nonlinear finite element theory.
针对单层k8型网壳结构在强震时的动力稳定问题,应用非线性有限元理论进行了分析。
Through a rational derivation, nonlinear mathematical model of electro-hydraulic position control system is built up. The system dynamic and stability analysis is obtained with the use of the model.
通过合理的推导,建立了电液伺服位置控制系统的非线性数学模型,利用该模型对系统进行相关的动态和稳定性分析。
Comparing with frequency domain dynamic analysis, it's better and more accurate to solve the strong nonlinear problems of SCR in time domain.
相对于频域动力分析,时域分析能更好的处理立管强非线性问题,其计算精度更高。
This is very helpful to choose suitable nonlinear oil film force model in the dynamic analysis for rotor-bearing systems.
这为进行转子-轴承系统的非线性动力学分析时选取恰当的油膜力模型提供了理论指导。
A kind of nonlinear PI controller is presented in this paper. The theory analysis and experiment result prove that the nPI can improve static and dynamic characteristics of control system obviously.
本文提出一类非线性比例积分控制规律,理论分析和应用结果表明,它能显著改善控制系统的静态和动态性能。
Slowly parameter, nonlinear time response analysis and energy approach can be used to obtain the dynamic behavior of lead rubber bearing (LRB).
利用慢变参数、时程分析和能量分析方法,探讨了铅芯橡胶减震支座(LRB) 的非线性动力性态。
The effectiveness of the nonlinear dynamic method is confirmed by the practical analysis.
通过实例分析表明,非线性动力学分析方法是行之有效的。
A geometric nonlinear dynamic analysis of beam is presented and the importance of interaction of shearing and axial forces in nonlinear dynamic analysis is investigated.
考虑梁的几何非线性动力问题,研究了其动力分析中剪力和轴力相互影响的重要性,提出了剪力和轴力的相互影响是考虑系统非线性影响的关。
D assembly FE modeling and dynamic elastoplastic analysis are carried out for the obturator structure of a floating gun breech mechanism by using nonlinear finite element code MSC MARC.
利用大型非线性有限元MARC ,对某自动迫击炮浮动炮闩闭气结构,进行了三维装配体有限元建模和动态弹塑性分析,获得了关键闭气构件的应力、塑性应变和变形的动态响应。
On the basis of the modal analysis, the nonlinear finite element is used to analyze the dynamic response of suspension pipe bridge to cross wind excitation.
在模态分析的基础上,采用几何非线性有限元的分析方法,对悬索式管桥进行了横向风共振分析。
Using the local nonlinear property of the isolated structure, the computational efficiency of nonlinear time history analysis of the isolated structure is close to that of linear dynamic analysis.
充分利用铅芯橡胶支座隔震结构的局部非线性性质,使非线性隔震结构的时程分析计算效率接近线性动力分析。
It explores the means and methods of the composite structure for nonlinear dynamic elastoplastic analysis.
探讨复杂结构非线性动力弹塑性分析的手段和方法。
Using the well-known weighted residual method and finite element procedure, a nonlinear static analysis parallel with effective stress dynamic analysis has been made.
采用著名的加权剩余值法和等参数有限单元法,对坝体进行非线性静力分析和非线性有效应力动力分析。
The analysis also shows that the nonlinear terms in the dynamic system equations cause the stochastic state to jump so that the circuit state can reach compatibility with the constraint equations.
同时发现动力学系统中的非线性函数项(或非线性元件)能够发生跳跃随机性和产生跳跃随机曲线,以使电路的状态轨迹达到与约束方程相容的状态。
The analysis also shows that the nonlinear terms in the dynamic system equations cause the stochastic state to jump so that the circuit state can reach compatibility with the constraint equations.
同时发现动力学系统中的非线性函数项(或非线性元件)能够发生跳跃随机性和产生跳跃随机曲线,以使电路的状态轨迹达到与约束方程相容的状态。
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