Article1998

Response of composite plates with random material properties using FEM and Monte Carlo simulation

Bharati Raj · N.G.R. Iyengar · Dhananjay Kumar Yadav

53 citations0/0 files storedAdvanced Composite Materials

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Probabilistic and Robust Engineering Design Mechanical Behavior of Composites Composite Structure Analysis and Optimization

Abstract

Composite materials have a large number of parameters associated with their manufacturing. It is not physically possible to control all these parameters, and hence variation in the material properties result. In this paper, for a better modeling of the material properties, these are treated as random variables. Static response characteristics of graphite/epoxy composite laminates are obtained with the help of Monte Carlo simulation and the Finite Element Method (FEM) for different boundary conditions, thickness ratio, aspect ratios and fiber orientations. The input material property mean and variance are assumed to be known. From the limited analytical study conducted it is observed that a single design curve can predict normalized characteristics for all the parameters considered.

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References

1987Structural Dynamics with Parameter Uncertainties 1995The use of Monte Carlo techniques in statistical finite element methods for the determination of the structural behaviour of composite materials structural components 1987Uncertain Eigenvalue Analysis of Composite Laminated Plates by the Stochastic Finite Element Method

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