Abstract
A numerical approach is used herein to study the primary resonant dynamics of functionally graded (FG) cylindrical nanoscale panels taking the strain gradient effects into consideration. The basic relations of the paper are written based upon Mindlin’s strain gradient theory (SGT) and three-dimensional (3D) elasticity. Since the formulation is developed using Mindlin’s SGT, it is possible to reduce it to simpler size-dependent theories including modified forms of couple stress and strain gradient theories (MCST & MSGT). The governing equations is derived and directly discretized via the variational differential quadrature technique. Then, a numerical solution technique is employed to study the nonlinear resonance response of nanopanels with various edge conditions under a harmonic load. The impacts of length scale parameter, material and geometrical parameters on the frequency–response curves of nanopanels are investigated. In addition, comparisons are provided between the predictions of MSGT, MCST and the classical elasticity theory.
Appendix: Discretization on Space Domain
By considering
where the weighting coefficients of
Now, for a 3D variable function
where
In which the number of grid points through the
Furthermore, the grid point through the coordinate axes are considered as follows:
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© 2020 Walter de Gruyter GmbH, Berlin/Boston
Artikel in diesem Heft
- Frontmatter
- Original Research Articles
- Nonlinear Forced Vibration Analysis of FG Cylindrical Nanopanels Based on Mindlin’s Strain Gradient Theory and 3D Elasticity
- Numerical Solutions Based on a Collocation Method Combined with Euler Polynomials for Linear Fractional Differential Equations with Delay
- A Remanufacturing Duopoly Game Based on a Piecewise Nonlinear Map: Analysis and Investigations
- Development of a Momentum Transfer Coefficient in Particle Horizontal Channel Flow
- Analysis of a New Class of Impulsive Implicit Sequential Fractional Differential Equations
- On the Dynamics and Control of Fractional Chaotic Maps with Sine Terms
- A stable class of modified Newton-like methods for multiple roots and their dynamics
- Experimental and numerical studies on failure and energy absorption of composite thin-walled square tubes under quasi-static compression loading
- Existence of periodic solutions with minimal period for fourth-order discrete systems via variational methods
- Derivative free iterative methods with memory having higher R-order of convergence
Artikel in diesem Heft
- Frontmatter
- Original Research Articles
- Nonlinear Forced Vibration Analysis of FG Cylindrical Nanopanels Based on Mindlin’s Strain Gradient Theory and 3D Elasticity
- Numerical Solutions Based on a Collocation Method Combined with Euler Polynomials for Linear Fractional Differential Equations with Delay
- A Remanufacturing Duopoly Game Based on a Piecewise Nonlinear Map: Analysis and Investigations
- Development of a Momentum Transfer Coefficient in Particle Horizontal Channel Flow
- Analysis of a New Class of Impulsive Implicit Sequential Fractional Differential Equations
- On the Dynamics and Control of Fractional Chaotic Maps with Sine Terms
- A stable class of modified Newton-like methods for multiple roots and their dynamics
- Experimental and numerical studies on failure and energy absorption of composite thin-walled square tubes under quasi-static compression loading
- Existence of periodic solutions with minimal period for fourth-order discrete systems via variational methods
- Derivative free iterative methods with memory having higher R-order of convergence