Phase field modeling of fracture in Functionally Graded Materials: <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline" id="d1e630" altimg="si2.svg"><mml:mi>Γ</mml:mi></mml:math>-convergence and mechanical insight on the effect of grading

Pavan Kumar Asur Vijaya Kumar, Aamir Dean, J. Reinoso, Pietro Lenarda, Marco Paggi