搜索结果: 1-12 共查到“机械工程 nonlinear”相关记录12条 . 查询时间(0.288 秒)
Nonlinear Constrained Component Optimization of a Plug-in Hybrid Electric Vehicle
Component Sizing Optimization PSAT PSO
2015/1/12
Todaytransportationisoneoftherapidlyevolvingtechnologiesintheworld.With
thestringentmandatoryemissionregulationsandhighfuelprices,researchersand
manufacturersareeverincreasinglypushedtothefrontierso...
Study on Nonlinear Dynamic Characteristics of the Vectored Thruster AUV in Complex Sea Conditions
complex sea conditions vectored thruster autonomous underwater vehicle
2011/8/5
The mobility of the vectored thruster AUV in different environment is the important premise of control system design. The new type of autonomous underwater vehicle (AUV) equipped with rudders and vect...
A Solution Domain Boundary Analysis Method and Its Application in Parameter Spaces of Nonlinear Gear System
control parameter space solution domain boundary analysis
2011/8/4
Mastering the influence laws of parameters on the solution structure of nonlinear systems is the basis of carrying out vibration isolation and control. Many researches on solution structure and bifurc...
A Solution Domain Boundary Analysis Method and Its Application in Parameter Spaces of Nonlinear Gear System
control parameter space solution domain boundary analysis
2011/8/4
Mastering the influence laws of parameters on the solution structure of nonlinear systems is the basis of carrying out vibration isolation and control. Many researches on solution structure and bifurc...
Coupled method of homotopy perturbation method and variational approach for solution to nonlinear cubic-quintic Duffing oscillator
Nonlinear Oscillators Variational formulation
2010/11/25
This paper presents a new approach for solving approximate analytical higher order solutions for strong nonlinear Duffing oscillators with cubic-quintic nonlinear restoring force. The system is conser...
Application of He's amplitude - frequency formulation for periodic solution of nonlinear oscillators
Nonlinear Oscillators He’s Amplitude-Frequency Formulation
2010/11/25
In this paper, a powerful analytical method, called He’s amplitude-frequency formulation (HAFF) is used to obtain a periodic solution of nonlinear oscillators differential equation that governs the os...
Application of Exp/imp finite difference for nonlinear heat transfer fin effect of nonlinearities of fin efficiency
nonlinear heat fin implicit scheme
2010/9/27
This paper deals with the transient analysis of a general nonlinear fin subjected to nonlinear boundary conditions. It aims at finding a simple way for the solution of this relatively complicated prob...
Analytical Solution of Nonlinear Strain Hardening Preheated Pressure Tube
Pressurized tube Stress analysis Elastoplasticity Nonlinear hardening Tresca’s criterion
2009/10/9
The analytical solution of a nonlinear strain hardening preheated tube subjected to internal pressure is presented. Ast ate of generalized plane strain, small deformations, and temperature gradients a...
槽孔加工中钻杆系统的非线性运动与动力稳定性（Stability and Nonlinear Response of Drilling Shaft System in Deep Slot Hole Drilling）
槽孔 钻杆 非线性动力学
2009/5/22
考虑了切削力波动、质量偏心及切削液流体力对钻杆动特性的影响。在求解切削液动态流体力时，引入变分约束原理，在动力积分、迭代过程中实时形成修正的Reynolds方程变分形式的有限元方程及其扰动方程，同时求得了切削液流体力及其Jacobian矩阵，并且使其具有相互协调一致的精度。在求解钻杆系统非线性动力学响应时，通过改变系统的时间尺度, 使系统周期轨迹的周期显式地出现在系统方程中，并将周期也作为一个参数...
滚动轴承摩擦力矩的非线性特征（Nonlinear Characteristic of Rolling Element Bearing Friction Torque）
滚动轴承 摩擦力矩 时间序列
2009/5/22
以混沌理论为基础，通过试验研究滚动轴承摩擦力矩时间序列的非线性特征评估问题，为精确计算滚动轴承摩擦力矩的动态性能奠定基础。用关联维数标准差刻画摩擦力矩的不确定性，用关联维数均值描述摩擦力矩非线性特征的演变历程。研究表明，滚动轴承属于确定的非线性动力学系统，但其摩擦力矩呈现出明显的不确定性。随着转速的增加，滚动轴承摩擦力矩关联维数标准差与均值都呈现出非线性增大的趋势。
Nonlinear vibration signature analysis of high speed rotor due to defects of rolling element
Nonlinear dynamics rolling bearing ball passage frequency
2010/9/27
This paper presents a mathematical model to investigate the nonlinear dynamic behavior of a high speed rotor-bearing system due to defects of rolling elements. Two defects have been considered for the...
A Nonlinear Torsional Dynamic Model of Multi-Mesh Gear Trains Having Flexible Shafts
Gear HBM Multi-mesh Time-varying
2010/1/14
A non-linear time-varying dynamic model is developed to study torsional dynamic behavior of a typical multi-mesh gear
train. The physical system consists of M shafts (M ≥ 2 ) coupled to each other by...