id	keyword
fis-2481	crack
fis-2481	stress
fis-2481	damage
fis-2481	fracture
fis-2481	fatigue
fis-2481	energy
fis-2481	kinetics
fis-2481	tcd
fis-2481	mechanics
fis-2481	theory
fis-2481	naimark
fis-2481	length
fis-2481	blow
fis-2481	material
fis-2481	singularities