论文信息 - Effect of material nonlinearity in unidirectional composites on the behavior of beam structures

Effect of material nonlinearity in unidirectional composites on the behavior of beam structures

The present study is made to investigate the effect of material nonlinearity in unidirectional composites on the behavior of beams, where the fiber orientation is considered. The effect of these two factors on deflection, bending moment and external reactions is investigated. In order to achieve these objectives, a computer subroutine based on secant mechanical property is incorporated in a main computer program for beam and frame analysis. The program can solve structures made of unidirectional composite materials which exhibit general material nonlinearity. Several numerical examples including various beam structures having different fiber orientations are presented, for both linear and nonlinear analysis.

[1] A. Prokić. Material Nonlinear Analysis of Thin‐Walled Beams , 1994 .

[2] C. Bert,et al. The behavior of structures composed of composite materials , 1986 .

[3] John L. Meek,et al. Geometric and material non-linear behaviour of beam-columns , 1990 .

[4] Stephen W. Tsai,et al. Nonlinear Elastic Behavior of Unidirectional Composite Laminae , 1973 .

[5] Ghazi Abu-Farsakh,et al. A New Failure Criterion for Nonlinear Composite Materials , 1994 .

[6] Mo Shing Cheung,et al. Finite strip analysis of beams and plates with material nonlinearity , 1989 .

[7] Karen C. Chou,et al. Stochastic Load Exceedances with General Material Nonlinearity , 1988 .

[8] Julio F. Davalos,et al. On the Mechanics of Thin-Walled Laminated Composite Beams , 1993 .

[9] Robert E. Miller,et al. A new finite element for laminated composite beams , 1989 .

[10] R. Pipes,et al. Filamentary Composite Laminates Subjected to Biaxial Stress Fields. , 1974 .

[11] J. Meek,et al. Geometric and Material Nonlinear Analysis of Thin‐Walled Beam‐Columns , 1990 .

[12] C. Sun,et al. Vibration analysis of laminated composite thin-walled beams using finite elements , 1991 .

[13] Francis Tin-Loi,et al. Analysis of frames involving geometrical and material nonlinearities , 1990 .

[14] Ghazi Abu-Farsakh,et al. New material models for nonlinear stress-strain behaviour of composite materials , 1989 .