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。
This supply the helpful theoretical tools for nonlinear dynamic analysis and design of rotor-elliptic bearing systems in rotating machines.
创造性的把DEM的原理和思想方法引入到齿轮啮合转子系统的动力学分析中。
Principles and thinking of DEM was creatively introduced into dynamics analysis of the gear meshing rotor 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。
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.
利用六个动力系数来刻划半联轴器的力学行为,建立了轴承—转子—齿轮联轴器系统的弯扭振动力学模型。
The dynamic behavior of a half coupling is described by six coefficients, and the vibration model of bearing rotor system with a gear coupling is developed.
转子—轴承系统是大型旋转机械的核心部件,作为主要支承方式的可倾瓦滑动轴承支承,它的动力学特性日益被人们所关注。
Rotor bearing system is the heart of large-scale rotating machinery, as a major way to support, the dynamic problem of tilting pad journal bearing (TPJB) growing concern by the people.
分析了裂纹转子在非线性涡动影响下的动力学行为,特别是系统响应的分叉与混沌特性。
A cracked rotor with nonlinear influences of whirl speed is investigated, with particular focus on the behaviors of bifurcation and chaos.
对多层油膜阻尼柔性转子系统的动力学模型进行了研究。
The kinetic model of the flexible rotor system with multi squeeze film damper is studied.
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。
This is very helpful to choose suitable nonlinear oil film force model in the dynamic analysis for rotor-bearing systems.
同时考虑非线性齿轮啮合力和非线性油膜力的影响,建立齿轮-转子-滑动轴承系统的动力学模型。
The nonlinear gear mesh force and nonlinear oil film force were considered synchronously, the dynamic model of geared rotor-oil journal bearing system was proposed.
研究了电磁轴承-转子系统在变刚度情况下的全局分叉和混沌动力学。
The global bifurcations and chaotic dynamics are investigated when the rotor-AMBs system has the time-varying stiffness.
对永磁-机械动压轴承混合支承式飞轮储能系统的转子动力学问题进行研究。
Permanent magnetic bearing and the hydrodynamics spiral groove bearing are utilized as supports for the energy storage flywheel rotor system.
在考虑齿轮时变啮合刚度的情况下,建立了齿轮耦合的转子-轴承系统的非线性动力学模型。
Considering the time varying meshing stiffness of gear pair, the nonlinear dynamic model of a geared rotor bearing system is established.
用近代非线性动力学理论分析了弹性支承有间隙的非线性刚性多转子系统的复杂运动。
Modern nonlinear dynamical system theory is used to analyze the complicated motion of a nonlinear high_speed rigid multi_rotor system with pedestal looseness.
研究表明,本方法适用于转子动力学,直升机旋翼-机身耦合系统以及具有流体流动的管道系统的动力分析。
Research shows that, it is suitable for rotor dynamics, dynamic analysis of helicopter rotor blades fuselage systems and piping systems contained flow fluid.
结合工程实例,采用系统动力学的设计思想,详细分析滑动轴承转子系统动态失稳转速的判别方法。
Discriminating methods were analyzed of dynamics stabilization of speed of rotor - journal bearing system with combining engineering practices and adopting theory of system dynamics.
可见在进行转子-可倾瓦轴承系统的非线性动力学分析时有必要计入可倾瓦滑动轴承油膜非线性的影响。
It is necessary to consider the influence of the nonlinearity of fluid forces in tilting pad journal bearings when the dynamics performance of the rotor-tilting pad bearing system is analyzed.
陀螺系统特征值问题是在转子动力学中提出的一个典型的数学问题。
Eigenvalue problem of gyroscopic systems is a typical mathematical problem derived in rotor dynamics.
根据线性动力学理论,建立了齿轮耦合的转子-轴承系统的运动方程。
The governing equation of the motion of a geared rotor-bearing system is developed according to linear dynamic theory.
为了有效地降低回转机械由于质量不平衡引起的振动故障,基于转子动力学理论和有限元数值分析方法,进行了柔性转子系统虚拟动平衡研究。
A virtual balancing method of a flexible rotor based on rotor dynamic and finite element method is proposed in this paper to decrease the vibrations caused by mass unbalancing.
对于转子系统非线性动力学问题,直接积分法比模态叠加法更为有效。
With regard to the nonlinear kinetics problems of a rotor system the direct integration method is more effective than the modality superposition method.
根据相关力学定律和公式,合理地确定了各种参数,建立了齿轮啮合转子系统DEM动力学模型。
According to relevant mechanics laws, formulas and various parameters of the rotor system identified reasonably, the DEM dynamics models of gear meshing rotor system were established.
以刚体动力学为基础,考虑功放延时、转子不平衡、磁轴承非线性等因素,建立了磁轴承反馈控制控制系统模型,对不同的控制律进行了仿真分析。
Different control laws of AMB (Active Magnetic Bearing) based on rotor dynamics and AMB control model are discussed, considering the power-amplifier delay, rotor unbalance and AMB nonlinear factors.
概述地说,围绕上述问题所开展的具体研究内容包括以下方面:1。碰摩转子系统非线性动力学模型的建立。
Summarily speaking, the detailed research content based on problem above is as follows:1. The establishment of nonlinear dynamical model for rub-impact rotor system.
根据齿轮传动线性动力学模型,深入研究了齿轮转子系统稳态不平衡响应的整体传递矩阵法,推导出了计算稳态不平衡响应时齿轮耦合单元的耦合传递矩阵。
According to the linear force coupled model of a gear system, a whole transmission matrix method for stable unbalanced response analysis of a gear-rotor system is presented.
对双盘悬臂柔性转子-非同心型挤压油膜阻尼器(SFD)系统进行了非线性动力学分析。
We used Poincare map and bifurcation map to analyze the nonlinear dynamic response of a eight degree of freedom rotor system with two disks supported on a squeeze film damper(SFD) as shown in Fig.
对挤压油膜阻尼器—滑动轴承—刚性转子系统的动力学模型进行了研究。
The article studies the kinetic model on the rigid rotor system of sliding bearing with squeez film damper outside.
基于变分法提出了一个求解雷诺边界条件下有限长轴承油膜力的快速算法,用此算法对一个三油叶不平衡轴承—转子系统的非线性动力学行为进行了一系列的分析。
Based on the free boundary theory and the variational method, a fast and accurate model for the calculation of the fluid-film forces under the Renolds boundary condition is presented.
美国Bently Nevada公司的转子动力学研究所对转子和轴承系统典型故障作了大量的试验研究,并发表了许多很有价值的论文。
The United States Bently Nevada company rotor dynamics of institute of rotor and bearing system of a typical fault a great deal of experiments, and published many valuable papers.
磁轴承控制系统是一个涉及了电磁学、控制科学、机械科学以及转子动力学等多门学科的复杂非线性开环不稳定系统。
Magnetic bearing control system is an equipment involved electromagnetic, control theory, mechanical theory, rotor dynamics and other subjects of the complex non-linear open-loop unstable system.
将刚性圆盘单元和空间梁单元组集推导出了柔性转子系统的动力学控制方程及其系数矩阵的解析表达式。
By combining rigid disk element and 3-d beam element the dynamical control equation of flexible rotor system and its analysis formula of coefficient matrix are developed.
应用推荐