Transient Analysis and Safety Assessment of Turbofan Engine Structures during Bird Ingestion

Table 7

Response of key components in engine bird ingestion.

Component name	Maximum stress or load
Front mounting joint	240 MPa
Rear mounting joint	391.5 MPa
Thrust bar	96.3 MPa
Intermediate casing support	791 MPa
Intermediate casing	406 MPa
Intermediate casing core	797.3 MPa
Low pressure shaft drum	444 MPa
Low pressure shaft	940 MPa
Front fulcrum bearing assembly	2.685 N
Intermediate bearing assembly	1.265 N
Rear fulcrum bearing assembly	1.055 N