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Title of Journal: Comput Mech

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Abbravation: Computational Mechanics

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Springer-Verlag

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DOI

10.1002/sd.490

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1432-0924

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Detection of stiffness reductions in laminated com

Authors: SangYoul Lee ShiChang Wooh
Publish Date: 2005/04/14
Volume: 36, Issue: 4, Pages: 320-330
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Abstract

In this study we investigate a method to detect damage in a laminated composite structure by analyzing its dynamic response to impact loads The combined finite element method FEM with seven degrees of freedom DOF and the advanced microgenetic algorithm described in this paper may allow us not only to detect the damaged elements but also to find their locations and the extent of damage A high order shear deformation theory HSDT is used to predict the structural behavior and to detect damage of laminated composite plates The effects of noise associated with the uncertainty of measurements due to the complex nature of composites are considered for 0/90 s and ±45 s layup sequences The results indicate that the new method is computationally efficient in characterizing damage for complex structures such as laminated composites

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  1. Simulating the pervasive fracture of materials and structures using randomly close packed Voronoi tessellations
  2. A first order method for the Cauchy problem for the Laplace equation using BEM
  3. Direct numerical simulation of the dynamics of sliding rough surfaces
  4. Three-dimensional Green’s function for an anisotropic multi-layered half-space
  5. On evaluation of hypersingular integrals over smooth surfaces
  6. Energy partitioning within a micro-particle cluster due to impact with a rigid planar wall
  7. A high order hybrid finite element method applied to the solution of electromagnetic wave scattering problems in the time domain
  8. Numerical techniques for rolling rubber wheels: treatment of inelastic material properties and frictional contact
  9. Adaptive multi-analysis strategy for contact problems with friction
  10. The total and updated lagrangian formulations of state-based peridynamics
  11. A variational constitutive framework for the nonlinear viscoelastic response of a dielectric elastomer
  12. Coronary arterial dynamics computation with medical-image-based time-dependent anatomical models and element-based zero-stress state estimates
  13. Symmetric Galerkin boundary integral fracture analysis for plane orthotropic elasticity
  14. 3D fluid–structure-contact interaction based on a combined XFEM FSI and dual mortar contact approach
  15. Boundary element analysis of three-dimensional crack problems in two joined transversely isotropic solids
  16. Erratum to: Modeling a smooth elastic–inelastic transition with a strongly objective numerical integrator needing no iteration
  17. On coupling of reproducing kernel particle method and boundary element method
  18. A regularized collocation boundary element method for linear poroelasticity
  19. A unified approach for a posteriori high-order curved mesh generation using solid mechanics
  20. Computation of turbulent vortex shedding
  21. Weighted overconstrained least-squares mixed finite elements for static and dynamic problems in quasi-incompressible elasticity
  22. Mixed state-vector finite element analysis for a higher-order box beam theory
  23. Analysis of Microelectromechanical Systems (MEMS) Devices by the Meshless Point Weighted Least-squares Method
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