This paper is devoted to the characterization of the energy release rate of a crack which is merely closed, connected, and with density 1/2 at the tip. First, the blow-up limit of the displacement is analyzed, and the convergence to the corresponding positively 1/2-homogenous function in the cracked plane is established. Then, the energy release rate is obtained as the derivative of the elastic...

In the setting of antiplane linearized elasticity, we show the existence of the stress intensity factor and its relation with the energy release rate when the crack path is a C curve. Finally, we show that the energy release rate is continuous with respect to the Hausdorff convergence in a class of admissible cracks.

passive solar systems such as solar chimneys need solar radiation in order to work. therefore, they cannot present stable natural ventilation when solar energy vanishes: to have a more robust and stable condition, solar energy should be stored during the day and released back during the night. phase change materials can save additional thermal energy during the day and release it during the nig...

The Rubber Cord Adhesion Inflation Test (RCAIT) is a recently proposed test protocol to study tyre rubber-steel cord fracture (Kane et al., 2019). As in the traditional blister test, pressurised fluid injected between two adherends propagate fracture. energy, Gc, directly related strain energy stored inflated rubber. It was shown that evaluation of Gc for RCAIT depends intimately on how well hy...