Abstract
The application of the composite materials in the aeronautical and aerospace industries has been increasing over the last several decades. Compared to conventional metallic materials, they present better strength to weight and stiffness to weight ratio. However, they can also present a high level of uncertainty, mainly associated with the manufacturing processes. Besides the uncertainty in the composite material parameters, which can play a role in the structural dynamic response, randomness can also be associated with boundary condition and external excitation sources. This paper treats the dynamic analysis of a composite beam under random excitation and uncertainties in the boundary condition. The beam is modelled by the spectral element method, a wave propagation technique. Some numerical examples are used to study the influence of random source on the dynamic behaviour of the composite structure.
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Articles in the same Issue
- Frontmatter
- Original Research Articles
- Directed Transport in Symmetrically Periodic Potentials Induced by Cross-Correlation among Colored Gaussian Noises
- Effect of Fractional Damping in Double-Well Duffing–Vander Pol Oscillator Driven by Different Sinusoidal Forces
- Dynamical Behaviors of a Fractional-Order Predator–Prey Model with Holling Type IV Functional Response and Its Discretization
- Fourth-Order Spatial and Second-Order Temporal Accurate Compact Scheme for Cahn–Hilliard Equation
- Unit Root Testing in the Presence of Mean Reverting Jumps: Evidence from US T-Bond Yields
- Thermal Analysis of Longitudinal Fin with Temperature-Dependent Properties and Internal heat Generation by a Novel Intelligent Computational Approach Using Optimized Chebyshev Polynomials
- A Stream/Block Combination Image Encryption Algorithm Using Logistic Matrix to Scramble
- Dynamic Analysis of a Composite Structure under Random Excitation Based on the Spectral Element Method
- Sixth-Kind Chebyshev Spectral Approach for Solving Fractional Differential Equations
- Representation of Solutions and Finite Time Stability for Delay Differential Systems with Impulsive Effects
- Numerical Study of the Dynamics of Particles Motion with Different Sizes from Coal-Based Thermal Power Plant
Articles in the same Issue
- Frontmatter
- Original Research Articles
- Directed Transport in Symmetrically Periodic Potentials Induced by Cross-Correlation among Colored Gaussian Noises
- Effect of Fractional Damping in Double-Well Duffing–Vander Pol Oscillator Driven by Different Sinusoidal Forces
- Dynamical Behaviors of a Fractional-Order Predator–Prey Model with Holling Type IV Functional Response and Its Discretization
- Fourth-Order Spatial and Second-Order Temporal Accurate Compact Scheme for Cahn–Hilliard Equation
- Unit Root Testing in the Presence of Mean Reverting Jumps: Evidence from US T-Bond Yields
- Thermal Analysis of Longitudinal Fin with Temperature-Dependent Properties and Internal heat Generation by a Novel Intelligent Computational Approach Using Optimized Chebyshev Polynomials
- A Stream/Block Combination Image Encryption Algorithm Using Logistic Matrix to Scramble
- Dynamic Analysis of a Composite Structure under Random Excitation Based on the Spectral Element Method
- Sixth-Kind Chebyshev Spectral Approach for Solving Fractional Differential Equations
- Representation of Solutions and Finite Time Stability for Delay Differential Systems with Impulsive Effects
- Numerical Study of the Dynamics of Particles Motion with Different Sizes from Coal-Based Thermal Power Plant