An advanced higher-order theory for laminated composite plates with general lamination angles

IMR OpenIR

	An advanced higher-order theory for laminated composite plates with general lamination angles
其他题名	An advanced higher-order theory for laminated composite plates with general lamination angles
	Wu Zhen; Zhu Hong; Chen WanJi
	2011
发表期刊	ACTA MECHANICA SINICA
ISSN	0567-7718
卷号	27 期号:5 页码:720-729
摘要	This paper proposes a higher-order shear deformation theory to predict the bending response of the laminated composite and sandwich plates with general lamination configurations. The proposed theory a priori satisfies the continuity conditions of transverse shear stresses at interfaces. Moreover, the number of unknown variables is independent of the number of layers. The first derivatives of transverse displacements have been taken out from the in-plane displacement fields, so that the C-0 shape functions are only required during its finite element implementation. Due to C-0 continuity requirements, the proposed model can be conveniently extended for implementation in commercial finite element codes. To verify the proposed theory, the four-node C-0 quadrilateral element is employed for the interpolation of all the displacement parameters defined at each nodal point on the composite plate. Numerical results show that following the proposed theory, simple C-0 finite elements could accurately predict the interlaminar stresses of laminated composite and sandwich plates directly from a constitutive equation, which has caused difficulty for the other global higher order theories.
其他摘要	This paper proposes a higher-order shear deformation theory to predict the bending response of the laminated composite and sandwich plates with general lamination configurations.The proposed theory a priori satisfies the continuity conditions of transverse shear stresses at interfaces.Moreover,the number of unknown variables is independent of the number of layers.The first derivatives of transverse displacements have been taken out from the inplane displacement fields,so that the C0 shape functions are only required during its finite element implementation.Due to C~0 continuity requirements,the proposed model can be conveniently extended for implementation in commercial finite element codes.To verify the proposed theory,the fournode C~0 quadrilateral element is employed for the interpolation of all the displacement parameters defined at each nodal point on the composite plate.Numerical results show that following the proposed theory,simple C0 finite elements could accurately predict the interlaminar stresses of laminated composite and sandwich plates directly from a constitutive equation,which has caused diffculty for the other global higher order theories.
关键词	DISPLACEMENT MODEL ELEMENT Laminated and sandwich composites Higher-order theory C-0 continuity requirement Transverse shear stress
收录类别	CSCD
语种	英语
资助项目	[National Natural Science Foundation of China] ; [Program for Liaoning Excellent Talents in University] ; [Program for Science and Technology of Shenyang]
CSCD记录号	CSCD:4325894
引用统计
文献类型	期刊论文
条目标识符	http://ir.imr.ac.cn/handle/321006/156145
专题	中国科学院金属研究所
作者单位	中国科学院金属研究所
推荐引用方式 GB/T 7714	Wu Zhen,Zhu Hong,Chen WanJi. An advanced higher-order theory for laminated composite plates with general lamination angles[J]. ACTA MECHANICA SINICA,2011,27(5):720-729.
APA	Wu Zhen,Zhu Hong,&Chen WanJi.(2011).An advanced higher-order theory for laminated composite plates with general lamination angles.ACTA MECHANICA SINICA,27(5),720-729.
MLA	Wu Zhen,et al."An advanced higher-order theory for laminated composite plates with general lamination angles".ACTA MECHANICA SINICA 27.5(2011):720-729.