1Muszynska A. Improvements in lightly loaded rotor/bearing and rotor/seal models[J]. ASME,Journal of Vibration,Acoustics,Stress and Reliability in Design,1988,110(1):129-136.
2Wilson E L. A computer program for the dynamic stress of underground structures[A]. Rep SESM 68-1 Department of Civil Engineering[C]. Berkeley:University of California,1968.
3Horner G C,Pilkey W D. The riccati transfer matrix method[J]. Journal of Mech Des Trans ASME 1978,100(4):297-302.