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19 papers · 1 filter
Inhomogeneous "longitudinal" plane waves in a deformed elastic material
Michel Destrade, Michael Hayes
A homogeneous isotropic compressible Hadamard material has the property that an infinitesimal longitudinal homogeneous plane wave may propagate in every direction when the material…
On the Abaqus FEA model of finite viscoelasticity
Jacopo Ciambella, Michel Destrade, Ray W. Ogden
Predictions of the QLV (Quasi-Linear Viscoelastic) constitutive law are compared with those of the ABAQUS viscoelastic model for two simple motions in order to highlight, in partic…
Inhomogeneous shear of orthotropic incompressible non-linearly elastic solids: singular solutions and biomechanical interpretation
Michel Destrade, Giuseppe Saccomandi, Ivonne Sgura
We present a detailed study of rectilinear shear deformation in the framework of orthotropic nonlinear elasticity, under Dirichlet and mixed-boundary conditions. We take a slab mad…
Bending instabilities of soft tissues
Michel Destrade, Aisling Ni Annaidh, Ciprian Coman
Rubber components and soft tissues are often subjected to large bending deformations "in service". The circumferential line elements on the inner face of a bent block can contract…
Large acoustoelastic effect
Zaki Abiza, Michel Destrade, Ray W. Ogden
Classical acoustoelasticity couples small-amplitude elastic wave propagation to an infinitesimal pre-deformation, in order to reveal and evaluate non-destructively third-order elas…
Slight compressibility and sensitivity to changes in Poisson's ratio
Michel Destrade, Michael D. Gilchrist, Julie Motherway +1
Finite Element simulations of rubbers and biological soft tissue usually assume that the material being deformed is slightly compressible. It is shown here that in shearing deforma…