@article {29770,
	title = {An enhanced virtual crack closure technique for stress intensity factor calculation along arbitrary crack fronts and the application in hydraulic fracturing simulation},
	journal = {Rock Mechanics and Rock Engineering},
	volume = {54},
	year = {2021},
	pages = {2943-2957},
	url = {https://link.springer.com/article/10.1007/s00603-021-02428-9},
	author = {Hui Wu and R.R. Settgast and Pengcheng Fu and J.P. Morris}
}
