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Influence of Preservation Temperature on the Measured Mechanical Properties of Brain Tissue
Badar Rashid, Michel Destrade, Michael Gilchrist
The large variability in experimentally measured mechanical properties of brain tissue is due to many factors including heterogeneity, anisotropy, age dependence and post-mortem ti…
Determination of Friction Coefficient in Unconfined Compression of Brain Tissue
Badar Rashid, Michel Destrade, Michael Gilchrist
Unconfined compression tests are more convenient to perform on cylindrical samples of brain tissue than tensile tests in order to estimate mechanical properties of the brain tissue…
Inhomogeneous Deformation of Brain Tissue During Tension Tests
Badar Rashid, Michel Destrade, Michael D. Gilchrist
Mechanical characterization of brain tissue has been investigated extensively by various research groups over the past fifty years. These properties are particularly important for…
Temperature Effects on Brain Tissue in Compression
Badar Rashid, Michel Destrade, Michael Gilchrist
Extensive research has been carried out for at least 50 years to understand the mechanical properties of brain tissue in order to understand the mechanisms of traumatic brain injur…
Mechanical Characterization of Brain Tissue in Compression at Dynamic Strain Rates
Badar Rashid, Michel Destrade, Michael Gilchrist
Traumatic brain injury (TBI) occurs when local mechanical load exceeds certain tolerance levels for brain tissue. Extensive research has been done previously for brain matter exper…
A High Rate Tension Device for Characterizing Brain Tissue
Badar Rashid, Michel Destrade, Michael Gilchrist
The mechanical characterization of brain tissue at high loading velocities is vital for understanding and modeling Traumatic Brain Injury (TBI). The most severe form of TBI is diff…
Characterising the Anisotropic Mechanical Properties of Excised Human Skin
Aisling Ni Annaidh, Karine Bruyere, Michel Destrade +2
The mechanical properties of skin are important for a number of applications including surgery, dermatology, impact biomechanics and forensic science. In this study we have investi…
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…
Third- and fourth-order constants of incompressible soft solids and the acousto-elastic effect
Michel Destrade, Michael D. Gilchrist, G. Saccomandi
Acousto-elasticity is concerned with the propagation of small-amplitude waves in deformed solids. Results previously established for the incremental elastodynamics of exact non-lin…
Onset of Non-Linearity in the Elastic Bending of Blocks
Michel Destrade, Michael D. Gilchrist, Jerry G. Murphy
The classical flexure problem of non-linear incompressible elasticity is revisited assuming that the bending angle suffered by the block is specified instead of the usual applied m…
Third- and fourth-order elasticity of biological soft tissues
Michel Destrade, Michael D. Gilchrist, Raymond W. Ogden
In the theory of weakly non-linear elasticity, Hamilton et al. [J. Acoust. Soc. Am. \textbf{116} (2004) 41] identified as the fourth-order expansion…
Bimodular rubber buckles early in bending
Michel Destrade, Michael D. Gilchrist, Julie A. Motherway +1
A block of rubber eventually buckles under severe flexure, and several axial wrinkles appear on the inner curved face of the bent block. Experimental measurements reveal that the b…