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  5. DIMENSION REDUCTION OF NONLINEAR TRANSIENT POD METHOD FOR A ROTOR SYSTEM WITH BEARING LOOSE

DIMENSION REDUCTION OF NONLINEAR TRANSIENT POD METHOD FOR A ROTOR SYSTEM WITH BEARING LOOSE

来源 :第三届非线性力学最新进展国际会议Third International Conference on Recent Adv | 被引量 : 0次 | 上传用户：kmj
【摘 要】
：
　　A modified nonlinear (proper orthogonal decomposition) POD method based on transient time series is proposed in this paper.Inertial manifolds (IM) and appro
【作 者】
：
Kuan Lu Yushu Chen 
【机 构】
：
CentreforNonlinearDynamicsResearch,SchoolofAstronautics,HarbinInstituteofTechnology,Harbin,China
【出 处】
：
第三届非线性力学最新进展国际会议Third International Conference on Recent Adv
【发表日期】
：
2014年1期
【关键词】
：
nonlinear transient proper orthogonal decomposition (POD) method manifold Bifurc 
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论文部分内容阅读
　　A modified nonlinear (proper orthogonal decomposition) POD method based on transient time series is proposed in this paper.Inertial manifolds (IM) and approximate inertial manifolds (AIM) method that are widely used for in the infinite dimensional dynamical system are introduced briefly, based on the idea of which the nonlinear POD method is modified by replacing the time series of the system response in the steady state with that in the transient state.
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