File list (Check if you may need any files):
fissure_2
.........\bimatctipNodes.m
.........\boundaryCond.m
.........\calcDOF.m
.........\connectivity.m
.........\crackCoord2Length.m
.........\ctipNodes.m
.........\elemStress.m
.........\enrElem.m
.........\forceVector.m
.........\gauss.m
.........\growCrack.m
.........\heaviNodes.m
.........\inputLoadHistory.m
.........\inputOptimization.m
.........\inputQuasiStatic.m
.........\JIntegral.m
.........\levelSet.m
.........\numIterations.m
.........\plotContour.m
.........\plotDeformation.m
.........\plotLevelSet.m
.........\plotMain.m
.........\plotMesh.m
.........\plotStress.m
.........\stiffnessMatrix.m
.........\subDomain.m
.........\updateStiffness.m
.........\xfemQuasiStatic.m