科学网

 找回密码
  注册
浑沌的产生?
蒋敏强 2008-6-27 14:48
自发的非线性演化系统,在某一临界条件下,一般会发生Hopf分叉bifurcation。系统状态由分叉前的稳定态(steady state,见图1)转变为极限环(limit cyclic,见图2)或者浑沌(chaotic,见图3). limit cyclic 我还能理解,但是,请问各位高人为什么会产生chaotic?在数学或者物理上如何来理解? steady st ...
个人分类: 学术研究|4219 次阅读|1 个评论
Long-term evolution of delayed ettringite and gypsum in Portland cement mortars
蒋敏强 2008-6-8 10:41
Jian-kang Chen a,*, Min-qiang Jiang b a Department of Mechanics and Engineering Science, Ningbo University, Ningbo 315211, China b State Key Laboratory of Non-linear Mechanics (LNM), Institute of Mechanics, Chinese Academy of Sciences, Beijing 100871, China ABSTRACT: The magn ...
个人分类: 学术研究|4073 次阅读|没有评论
Dynamic fracture instability of tough bulk metallic glass
蒋敏强 2008-5-7 11:08
Appl. Phys. Lett. 92, 171909 (2008); DOI:10.1063/1.2913206 Published 2 May 2008 J. X. Meng,1 Z. Ling,1 M. Q. Jiang,1 H. S. Zhang,1 and L. H. Dai1,2 1State Key Laboratory of Nonlinear Mechanics, Institute of Mechanics, Chinese Academy of Science, Beijing 100190, People's Republic of China 2State ...
个人分类: 学术研究|3969 次阅读|1 个评论
液体的fragility及其与玻璃固体力学性能的关联
蒋敏强 2008-4-22 12:41
戴兰宏 1, 2, * 蒋敏强 1 1 中国科学院力学研究所 非线性力学国家重点实验室, 北京 100080 2 北京理工大学 爆炸科学与技术国家重点实验室,北京 100081 * 通讯作者. E-mail: lhdai@lnm.imech.ac.cn 摘 要 Angell 在上个世纪 80 ...
个人分类: 学术研究|5041 次阅读|没有评论
On Mechanical Properties of Metallic Glass and its Liquid Vitrification
蒋敏强 2008-4-22 12:37
M. Q. Jiang1,a and L. H. Dai1,2,b* 1State Key Laboratory of Nonlinear Mechanics, Institute of Mechanics, Chinese Academy of Science, Beijing 100080, PR China 2State Key Laboratory of Explosion Science and Technology, Beijing Institute of Technology, Beijing 100081, PR China mqjiang@lnm.imech.ac ...
个人分类: 学术研究|3688 次阅读|没有评论
Energy dissipation in fracture of bulk metallic glasses via inherent competition
蒋敏强 2008-4-22 12:35
Energy dissipation in fracture of bulk metallic glasses via inherent competition between local softening and quasi-cleavage Author(s): Jiang MQ (Jiang, M. Q.), Ling Z (Ling, Z.), Meng JX (Meng, J. X.), Dai LH (Dai, L. H.) ...
个人分类: 学术研究|6908 次阅读|1 个评论
Intrinsic correlation between fragility and bulk modulus in metallic glasses
蒋敏强 2008-4-22 12:31
Author(s): Jiang MQ (Jiang, Minqiang), Dai LH (Dai, Lanhong) Source: PHYSICAL REVIEW B Volume: 76 Issue: 5 Article Number: 054204&n ...
个人分类: 学术研究|4466 次阅读|没有评论

Archiver|手机版|科学网 ( 京ICP备07017567号-12 )

GMT+8, 2024-4-25 11:45

Powered by ScienceNet.cn

Copyright © 2007- 中国科学报社

返回顶部