国家自然科学基金(11072065)

作品数:6被引量:17H指数:3
导出分析报告
相关作者:曹庆杰田瑞兰陈恩利冯明王丹更多>>
相关机构:哈尔滨工业大学石家庄铁道大学南安普顿大学更多>>
相关期刊:《Chinese Physics B》《Applied Mathematics and Mechanics(English Edition)》《力学学报》《振动与冲击》更多>>
相关主题:IRRATIONALDISCONTINUOUSSMOOTHOSCILLATORNONLINEARITY更多>>
相关领域:理学自动化与计算机技术机械工程电子电信更多>>
-

检索结果分析

结果分析中...
条 记 录,以下是1-6
视图:
排序:
两自由度弯扭耦合涡轮机械叶片动力学分析被引量:3
《振动与冲击》2014年第7期199-205,共7页王丹 陈予恕 曹庆杰 熊冶平 
国家自然科学基金(11072065)
针对涡轮旋转机械的叶片所处的高温、高压及复杂多场环境,建立其弯曲和扭转两自由度耦合的截面模型,研究了来流速度对振幅的影响。利用平均法和能量法原理,得到了系统在发生临界颤振时的幅频关系以及在能量输入输出情况下系统的稳定性关...
关键词:叶片颤振 平均法 能量法 气动弹性设计 
Analysis of the periodic solutions of a smooth and discontinuous oscillator被引量:2
《Acta Mechanica Sinica》2013年第4期575-582,共8页Zhi-Xin Li Qing-Jie Cao Marian Wiercigroch Alain Léger 
supported by the National Natural Science Foundation of China(11072065)
In this paper, the periodic solutions of the smooth and discontinuous (SD) oscillator, which is a strongly irra- tional nonlinear system are discussed for the system having a viscous damping and an external harmonic...
关键词:SD oscillator ~ Averaging method. Periodic so-lution ~ Irrational nonlinearity ~ Elliptic integral 
Bifurcation analysis for nonlinear multi-degree-of-freedom rotor system with liquid-film lubricated bearings被引量:3
《Applied Mathematics and Mechanics(English Edition)》2013年第6期777-790,共14页于海 陈予恕 曹庆杰 
Project supported by the National Natural Science Foundation of China (No. 11072065)
The oil-film oscillation in dimensional nonlinear problem. In this a large rotating machinery is a complex high- paper, a high pressure rotor of an aero engine with a pair of liquid-film lubricated bearings is modeled...
关键词:oil-film oscillation modified proper orthogonal decomposition (POD)method Chen-Longford (C-L) method primary resonance 
A novel smooth and discontinuous oscillator with strong irrational nonlinearities被引量:5
《Science China(Physics,Mechanics & Astronomy)》2012年第10期1832-1843,共12页HAN YanWei CAO QingJie CHEN YuShu WIERCIGROCH Marian 
supported by the National Natural Science Foundation of China (Grant No. 10872136,11072065 and 10932006)
In this paper,we propose a novel nonlinear oscillator with strong irrational nonlinearities having smooth and discontinuous characteristics depending on the values of a smoothness parameter.The oscillator is similar t...
关键词:irrational nonlinearity multiple well dynamics singular closed orbits Melnikov method 
SD振子的设计及非线性特性实验研究初探被引量:7
《力学学报》2012年第3期584-590,共7页陈恩利 曹庆杰 冯明 田瑞兰 
国家自然科学基金资助项目(10872136,11172183,11072065,11002093)~~
具有光滑与不连续转迁特征的SD振子发现和提出以来,引起了广泛关注.基于双稳系统大位移特征的测量法困难,SD振子的实验研究还未见报道.该文提出并设计了具有SD振子系统光滑特征的非线性实验装置,用实验的方法揭示由几何关系产生的强非...
关键词:SD振子 非线性实验装置 实验混沌 实验参数识别 
Bifurcations and chaotic threshold for a nonlinear system with an irrational restoring force被引量:2
《Chinese Physics B》2012年第2期136-147,共12页Tian Rui-Lan Yang Xin-Wei Cao Qing-Jie Wu Qi-Liang 
supported by the National Natural Science Foundation of China (Grant Nos.11002093,11072065,and 10872136);the Science Foundation of the Science and Technology Department of Hebei Province of China (Grant No.11215643)
Nonlinear dynamical systems with an irrational restoring force often occur in both science and engineering, and always lead to a barrier for conventional nonlinear techniques. In this paper, we have investigated the g...
关键词:nonlinear dynamical system Melnikov boundary irrational restoring force saddle-likesingularity homoclinic-like orbit 
检索报告 对象比较 聚类工具 使用帮助 返回顶部