id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
fis-1704	Talemi, Reza H.	Numerical simulation of dynamic brittle fracture of pipeline steel subjected to DWTT using XFEM-based cohesive segment technique	2016	9	.pdf	application/pdf	5352	313	54	INTRODUCTION oncerns have been raised that leaks in a CO2 pipeline could escalate to brittle fracture crack propagation, due to the large temperature drop associated with the expansion of dense phase CO2 to ambient conditions 102 103 0 0.1 0.2 0.3 0.4 0.5 [m/s] [‐] Figure 6: Calculated crack velocity versus normalized crack tip dynamic stress intensity factor.	cache/fis-1704.pdf	txt/fis-1704.txt