Dynamics of fluid driven delamination and fracturing in elastic and magneto-elastic materials

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• Dr Jerome A Neufeld, BP Institute, Dept of Earth Sciences & Applied Mathematics and Theoretical Physics
• Friday 30 January 2015, 14:00-15:00
• Oatley Seminar Room, Department of Engineering.

If you have a question about this talk, please contact Ms Helen Gardner.

Fluid-driven delamination or fracturing occurs in a host of materials with applications to the damage of biological tissues, the deformation of engineered materials and the fracture and deformation of the Earth’s crust. This talk will focus on the dynamic spreading of viscous fluids beneath purely elastic and magnetic elastic membranes. Experimental and theoretical studies of the spreading show that bending and in-plane tension within the sheet play particularly crucial roles near the delaminating tip, thereby determining the evolution of a fluid blister beneath thin elastic sheets. The addition of magnetic attraction provides a repeatable laboratory analogue in which to study the dynamics of fluid-driven fracturing. The similarities with the spreading of capillary droplets will be highlighted to highlight the conceptual links between this and previous work.

This talk is part of the Engineering - Mechanics and Materials Seminar Series series.

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