全部 标题 作者
关键词 摘要

OALib Journal期刊
ISSN: 2333-9721
费用:99美元

查看量下载量

相关文章

更多...

复合材料板壳结构的杂交/混合有限元分析

, PP. 61-68

Full-Text   Cite this paper   Add to My Lib

Abstract:

本文建立了一个9节点Lagrange退化壳杂交/混合有限元模型,以用于复合材料板壳结构的有限元分析。该有限元模型基于修正的Hellinger-Reissner原理,位移和应力均采用分离法思想,使得这一单元不仅具有下列优点:1.位移和应力计算精度都比较高;2.消除了多余零能变形模式;3.具有厚薄通用性;4.具有几何不变性,并且较之一般杂交/混合单元计算工作量进一步降低。单元还考虑了横向剪切影响。计算实例表明,本单元关于复合材料浅壳和深壳的解都与参考解吻合很好,且收敛很快。

References

[1]  洪志泉,"复合村料迭层板壳有限元现状分析",复合材料学报,1985 Vol2. PP80-88
[2]  D、R、T、Owen&J、A Higneiras,"Anistropic Elastoplactic Finite Element Analysis of Thick and Thin plates and Shells."Int.J.Num. Metg, Engng.1983 Vol.19,.PP54,1-565
[3]  J,N,Reddy, A Penalty plate——bending Element for the Analysis of Laminated Anistr opic Composite Plates."Int.J.Num.Meth.Engng.,1980 Vol15. PP1187-1209
[4]  T、J、R, Hughes, R,L、Taylor and W,Kanoknulchai, "A Simple and Efficient Element for Plate Bending" Int.J.Num Meth.Engng.,1977 Vol11,P P1529-1543
[5]  T.H.H,Pian "Derivation of Element Stlffness Matrices by Assumed Sttess Distributions."AIAA.J.1964 Vol2, PP133-1336
[6]  R.L.SPilker.S.C.Cbou and O.Orringer,Alternate Hybrid-Stress Elements for Analysis of Multilayer Composite plates. J.CompZMater.,1977 Vo11,PP51-70
[7]  T,H.H Pian, D.P.Chen and D.Kang, "A New Formulation of hybrid/mixed Fitnie Element,"Comput.&Struct.,1983 Vol16, PP81-87
[8]  T.H,H,Pian&K.Sumihara,"Rational Approach for Assumed Stress Finite Element.",Int.J,Num.Meth.Engng.(1983) Vol20, PP1685-1695
[9]  Z.Tian&T.H.H,Pian, "Axisymmetric Solid Elements by a Rational Hybrid Stress Method Comput.&Struct.(1985) Vol20, PP141-149
[10]  浏寒冰,许焕然."基于Hellinger-Reissner变分原理的四边形杂交/混合迭层板单元",吉林工业大学学报1985年第一期
[11]  S.W.Lee&T.H.H.Pian,"Improvement of Plate and shell Finite Elements by mixed Formulations."AIAA.J.,(1978) Vol16, PP29-34
[12]  D.J,Haas&S.W,Lee."A Nine-node Accumed-strain First Ficnert for Comperite Flates and Shells." Comput.&Struct.,(1987)Vol26,PP445-452
[13]  J.N. Reddy&IC,Chandrashekhara,"Nonlinear Analysis of Laminated Shells Including Shear Strain."AIAA,J.,(1985) Vol23, PP440-441
[14]  王毅,"迭层复合材料板壳大挠度有限元分析和非对称铺层复合材料板的室温形状研究",硕士学位论文,国防科大研究生院,1985年11月.

Full-Text

Contact Us

service@oalib.com

QQ:3279437679

WhatsApp +8615387084133