Dynamic interface behaviour of a bi-material poroelastic cracked plate

作者：Nikolova Gergana^*; Ivanova Jordanka; Wuttke Frank; Dineva Petia

来源：Archive of Applied Mechanics, 2017, 87(7): 1199-1211.

DOI：10.1007/s00419-017-1241-1

• Dynamic interface fracture
• Bi-material plate
• Viscoelastic isomorphism to Biot's model
• Delamination
• Viscoelastic shear-lag model

The interface fracture behaviour of a bi-material poroelastic plate with normal to the interface surface-breaking pre-crack with crack-tip approaching the interface subjected to time-harmonic uniaxial uniform load is considered. A viscoelastic isomorphism to Biot's dynamic poroelasticity is applied to describe the soil material properties, thus replacing the original two-phase poroelastic material by a single-phase viscoelastic one of Kelvin-Voigt type. A viscoelastic shear-lag model for one-dimensional stress-strain state with analytically derived solution for the length of the delamination zone along the interface is proposed. The parametric analysis demonstrates that the debonding length is sensitive to the follo

• 出版日期2017-7