Hydrogen diffusion

I hope some of you find this work interesting, the code with the cohesive zone model for fatigue can be downloaded as a user element (UEL) subroutine for Abaqus from empaneda.com/codes

A cohesive zone framework for environmentally assisted fatigue

Susana del Busto, Covadonga Betegón, Emilio Martínez Pañeda

Engineering Fracture Mechanics (2017)

http://www.sciencedirect.com/science/article/pii/S001379441730098X

Strain gradient plasticity modeling of hydrogen diffusion to the crack tip

E. Martínez-Pañeda, S. del Busto, C.F. Niordson, C. Betegón

International Journal of Hydrogen Energy

http://www.sciencedirect.com/science/article/pii/S0360319915315913