期刊
CONSTRUCTION AND BUILDING MATERIALS
卷 164, 期 -, 页码 672-681出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.conbuildmat.2018.01.004
关键词
Laminated woven fabric; Material nonlinear analysis; Stresses-moduli response surface; FEM analysis
资金
- National Natural Science Foundation of China [51778362, 51278299, 51478264]
- Shanghai Jiao Tong University
This article presents a nonlinear analysis to explore mechanical properties of the membrane structures made of laminated woven fabrics by numerical simulation and experiments. Stresses-moduli response surfaces are created with the data of stress-strain curves measured from the biaxial test. To apply this method into finite element method (FEM) analysis, complete cubic polynomials of these surfaces are obtained and created the nonlinear material model under user defined subroutine UMAT of ABAQUS. A cruciform specimen is analyzed adapting the nonlinear model, which is subjected to biaxial tensile under the condition of stress ratio of 1:1, 1:2, 2:1, 3:1, 1:3, 0:1 and 1:0. It is shown that the results of nonlinear material model agree well with experimental results. (C) 2018 Elsevier Ltd. All rights reserved.
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