From: Static fracture and modal analysis simulation of a gas turbine compressor blade and bladed disk system
Mode number
Uncracked
4 mm crack depth
8 mm crack depth
16 mm crack depth
1
311.6
310.4
305.7
298.9
2
984.1
970.5
939.4
896.2
3
1077.8
1077.3
1076.3
1071.2
4
2085.7
2084.3
2055.2
1997.7
5
2250.4
2246.9
2213.3
2181.0
6
2727.3
2722.7
2704.3
2670.1