Review Article
Linear and Nonlinear Dynamic Analyses of Sandwich Panels with Face Sheet-to-Core Debonding
Table 1
Summary of techniques on finite element modelling of sandwich panels [
11,
12].
| No. | Modelling schemes | Comments |
| (1) | Homogenous shell elements based on either CPT1 or FSDT2 | Simple efficient for general analysis. Transverse compressibility is neglected. | (2) | Layered shell elements with shear deformation | Computationally efficient. Transverse compressibility is ignored. | (3) | Plane stress/plane strain elements modelling sandwich cross-section | Applicable to 2D and axisymmetric problems only. | (4) | Plane stress/plane strain elements for the core and beam elements for skins | Skin is idealized by Euler-Bernoulli beam element. | (5) | Solid-brick elements for the core and conventional shell elements for skins | Compressibility of the core is accounted for. Conventional shell elements may suffer from shear-locking. | (6) | 3D model with solid-brick elements for both the core and the skins | Computationally very expensive model. | (7) | 3D model with layered solid cross-section | No restrictions on the core and skins kinematics. | (8) | Layer-wise models combining 3D solid and continuum shell elements | Core compressibility can be accounted for. |
|
|
1Classical plate theory. 2First-order shear deformation theory.
|