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STRUCTURES: 作品数：1337被引量：2156H指数：16; 导出分析报告; 相关领域：理学更多>>; 相关作者：周梅素裴浩刘玮李亚红张驰云更多>>; 相关机构：中国科学院东南大学北京大学天津大学更多>>; 相关期刊：更多>>; 相关基金：国家自然科学基金国家重点基础研究发展计划中国博士后科学基金国家教育部博士点基金更多>>

Finding vibrations of inclined cable structures by approximately solving governing equations for exterior matrix: 《Applied Mathematics and Mechanics(English Edition)》2015年第11期1383-1402,共20页W.PAULSEN M.MANNING; In this paper, how to compute the eigenfrequencies of the structures composed of a series of inclined cables is shown. The physics of an inclined cable can be complicated, so solving the differential equations even ap...; 关键词：exterior matrix method （EMM） EIGENFREQUENCY inclined cable

Second-order sensitivity of eigenpairs in multiple parameter structures: 《Applied Mathematics and Mechanics(English Edition)》2009年第12期1475-1487,共13页陈塑寰郭睿孟广伟; Project supported by the 985-Engineering Innovation of Graduate Students of Jilin University;the Science and Technology Development Foundation of Jilin Province(20070541); This paper presents methods for computing a second-order sensitivity matrix and the Hessian matrix of eigenvalues and eigenvectors of multiple parameter structures. Second-order perturbations of eigenvalues and eigenv...; 关键词：multiple parameter structures second-order sensitivity of eigenpairs efficient computational method

Research progress on thermal protection materials and structures of hypersonic vehicles被引量：6: 《Applied Mathematics and Mechanics(English Edition)》2008年第1期51-60,共10页杨亚政杨嘉陵方岱宁; Hypersonic vehicles represent future trends of military equipments and play an important role in future war. Thermal protection materials and structures, Which relate to the safety of hypersonic vehicles, are one of t...; 关键词：hypersonic vehicle high-temperature thermal protection

A METHOD OF ONLINE DAMAGE IDENTIFICATION FOR STRUCTURES BASED ON AMBIENT VIBRATION: 《Applied Mathematics and Mechanics(English Edition)》2005年第2期269-276,共8页姚志远汪凤泉赵淳生; theNationalNaturalScienceFoundationofChina ( 597750 2 2 ); A method of damage identification for engineering structures based on ambient vibration is put forward, in which output data are used only. Firstly, it was identification of the statistic parameters to associate with ...; 关键词：damage identification parameter identification online identification technique health monitoring technique

SIMULATION SEISMIC WAVE PROPAGATION IN TOPOGRAPHIC STRUCTURES USING ASYMMETRIC STAGGERED GRIDS: 《Applied Mathematics and Mechanics(English Edition)》2004年第7期751-760,共10页孙卫涛杨慧珠; theChineseNationalPetroleumCorporation_TsinghuaFoundation (2 0 0 2CXKF_4); A new 3D finite-difference(FD) method of spatially asymmetric staggered grids was presented to simulate elastic wave propagation in topographic structures.The method approximated the first-order elastic wave equations...; 关键词：finite difference asymmetric staggered grid seismic wave

LOWER BOUND LIMIT ANALYSIS OF THREE-DIMENSIONAL ELASTOPLASTIC STRUCTURES BY BOUNDARY ELEMENT METHOD被引量：1: 《Applied Mathematics and Mechanics(English Edition)》2003年第12期1466-1474,共9页刘应华张晓峰岑章志; theNationalNaturalScienceFoundationofChina (1 990 2 0 0 7) ;theFoundationforNationalExcellentDoctoralThesis (2 0 0 0 2 5); Based on the lower bound theorem of limit analysis, a solution procedure for limit analysis of three_dimensional elastoplastic structures was established using conventional boundary element method (BEM). The elastic s...; 关键词：BEM lower bound limit analysis self-equilibrium stress field nonlinear programming complex method

A METHOD FOR TOPOLOGICAL OPTIMIZATION OF STRUCTURES WITH DISCRETE VARIABLES UNDER DYNAMIC STRESS AND DISPLACEMENT CONSTRAINTS: 《Applied Mathematics and Mechanics(English Edition)》2001年第7期781-787,共7页石连栓孙焕纯冯恩民; theNationalNaturalScienceFoundationofChina ( 1 9871 0 0 9;1 0 0 0 2 0 0 5 ) ;ScienceFoundationofTianjinEducationCommittee ( 2; A method for topological optimization of structures with discrete variables subjected to dynamic stress and displacement constraints is presented. By using the quasistatic method, the structure optimization problem un...; 关键词：discrete variables structure optimization topological optimization dynamic stress constraint dynamic displacement constraint

TOPOLOGY OPTIMIZATION DESIGN OF CONTINUUM STRUCTURES UNDER STRESS AND DISPLACEMENT CONSTRAINTS: 《Applied Mathematics and Mechanics(English Edition)》2000年第1期21-28,共8页杨德庆隋允康刘正兴孙焕纯; Topology optimization design of continuum structures that can take account of stress and displacement constraints simultaneously is difficult to solve at present. The main obstacle lies in that, the explicit function ...; 关键词：STRUCTURE OPTIMIZATION topology optimization MODELING dual programming

THE INFLUENCE OF IMPERFECTIONS UPON THE CRITICAL LOAD OF STRUCTURES: 《Applied Mathematics and Mechanics(English Edition)》1999年第10期1108-1115,共8页朱正佑丛玉豪; By means of the theory of universal unfolding, the influence of multi-imperfections upon the critical load of structure in engineering is analysed in this paper. For the pitchfork problem, a lower bound of increments ...; 关键词：IMPERFECTIONS critical load pitchfork universal unfolding

COMPUTATION OF FREQUENCIES AND DAMPING RATIOS FOR ADAPTIVE STRUCTURES: 《Applied Mathematics and Mechanics(English Edition)》1999年第6期109-116,共8页张连文夏人伟曾广武; ＩｎｔｒｏｄｕｃｔｉｏｎＡｌｏｎｇｗｉｔｈｔｈｅｒｅｃｅｎｔａｄｖａｎｃｅｓｏｆｈｉｇｈｔｅｃｈｎｏｌｏｇｉｅｓ，ａｄａｐｔｉｖｅｓｔｒｕｃｔｕｒｅｓａｒｅｐｌａｙｉｎｇａｇｒｅａｔｉｍｐｏｒｔａｎｔｒｏｌｅｉｎｓｐ...

STRUCTURES