Nonlinear transient analysis of smart laminated composite plate integrated with PVDF sensor and AFC actuator

2016 ◽  
Vol 157 ◽  
pp. 121-130 ◽  
Author(s):  
Vijay K. Singh ◽  
Trupti R. Mahapatra ◽  
Subrata K. Panda
Keyword(s):  
Composite Plate ◽  
Transient Analysis ◽  
Laminated Composite ◽  
Laminated Composite Plate ◽  
Nonlinear Transient ◽  
Nonlinear Transient Analysis

Nonlinear transient analysis of moderately thick rectangular composite plates

2010 ◽  
Vol 114 (1157) ◽  
pp. 437-444
Author(s):  
H. Tanriöver ◽  
E. Şenoca
Keyword(s):  
Transient Analysis ◽  
Solution Process ◽  
Shear Deformation Theory ◽  
Laminated Composite ◽  
Composite Plates ◽  
Laminated Composite Plates ◽  
Element Analysis ◽  
Geometrically Nonlinear Analysis ◽  
Nonlinear Transient ◽  
Nonlinear Transient Analysis

Abstract This paper presents an analytical-numerical methodology for the geometrically nonlinear analysis of laminated composite plates under dynamic loading. The methodology employs Galerkin technique, in which suitable polynomials are chosen as trial functions. In the solution process, Newmark’s scheme for time integration, and modified Newton-Raphson method for the solution of resulting nonlinear equations are used. In the formulation, first order shear deformation theory based on Mindlin’s hypothesis and von Kármán type geometric nonlinearity are considered. The results are compared to that of finite strips, and Chebyshev series published elsewhere. The method is found to determine closely both the displacements and the stresses. A finite element analysis has also been carried out for the validation of the results. The present method can be efficiently and easily applied for the nonlinear transient analysis of laminated composite plates with various boundary conditions.

Active Control of Geometrically Nonlinear Transient Response of Smart Laminated Composite Plate Integrated With AFC Actuator and PVDF Sensor

2010 ◽  
Author(s):  
Shravankumar B. Kerur ◽  
Anup Ghosh
Keyword(s):  
Finite Element ◽  
Active Control ◽  
Transient Response ◽  
Composite Plate ◽  
Laminated Composite ◽  
Element Formulation ◽  
Geometrically Nonlinear ◽  
Laminated Composite Plate ◽  
Nonlinear Transient ◽  
Nonlinear Transient Response

A coupled electromechanical finite element formulation for active control of geometrically nonlinear transient response of laminated composite plate is studied. First order shear deformation theory and Von Karman type nonlinear strain displacements are used. The plate is discritised using eight noded quadratic isoparametric elements with five mechanical degrees of freedom and one electrical degree of freedom per node. Newton-Raphson iterative method in association with Newmark time integration method is used to solve the nonlinear finite element equilibrium equation. Negative velocity feedback control algorithm is used to control the dynamic response of the smart laminated composite plate. Active fiber composite (AFC) layer poled in fiber direction acting as distributed actuator and PVDF layer poled in thickness direction acting as sensor are considered. Present study involves two types of actuator sensor arrangements. Case I: the substrate is sandwiched between AFC actuator and PVDF sensor. Case II: AFC actuator and PVDF sensor are collocated on top of the substrate. The effect of piezoelectric fiber orientation in actuator layer on vibration control for both cross ply and angle ply laminates are examined.

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