TY - GEN
T1 - ON THE STEADY-STATE CHARACTERISTICS OF CIRCUMFERENTIAL WAVES IN A TWO-LAYERED CYLINDER
AU - Valle, Christine
AU - Qu, Jianmin
AU - Jacobs, Laurence J.
N1 - Publisher Copyright:
© 1999 ASME International Mechanical Engineering Congress and Exposition, Proceedings (IMECE). All rights reserved.
PY - 1999
Y1 - 1999
N2 - A two dimensional, infinitely long hollow cylinder with an inner shaft is considered in this paper. The interface is assumed to be a perfect, infinitely thin layer of inviscid fluid, and the outer surfaces of the cylinder are traction free. Thus the shear stress is assumed to be zero at the interface, but the normal stress and radial displacements are continuous. The problem of steady state, time harmonic waves propagating along the circumference is studied. The dispersion equation is obtained through the exact equations of elasticity and the dispersion curves are calculated for the first five propagating modes. Displacement profiles along the radial direction are included for those same modes. Comparisons are made with the dispersion curves of a full cylinder of same outer radius, and a hollow cylinder of the same dimensions as the one holding the inner shaft. The material is the same for all cases, and assumed to be isotropic and linearly elastic. It is found that the Rayleigh wave mode is almost identical for the full cylinder and the hollow cylinder with the shaft, and in fact those two cases have mostly similar dispersion branches, except for low frequencies. However the dispersion curves of the hollow cylinder by itself are quite different from the other two, especially at low frequencies.
AB - A two dimensional, infinitely long hollow cylinder with an inner shaft is considered in this paper. The interface is assumed to be a perfect, infinitely thin layer of inviscid fluid, and the outer surfaces of the cylinder are traction free. Thus the shear stress is assumed to be zero at the interface, but the normal stress and radial displacements are continuous. The problem of steady state, time harmonic waves propagating along the circumference is studied. The dispersion equation is obtained through the exact equations of elasticity and the dispersion curves are calculated for the first five propagating modes. Displacement profiles along the radial direction are included for those same modes. Comparisons are made with the dispersion curves of a full cylinder of same outer radius, and a hollow cylinder of the same dimensions as the one holding the inner shaft. The material is the same for all cases, and assumed to be isotropic and linearly elastic. It is found that the Rayleigh wave mode is almost identical for the full cylinder and the hollow cylinder with the shaft, and in fact those two cases have mostly similar dispersion branches, except for low frequencies. However the dispersion curves of the hollow cylinder by itself are quite different from the other two, especially at low frequencies.
UR - http://www.scopus.com/inward/record.url?scp=85122746475&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=85122746475&partnerID=8YFLogxK
U2 - 10.1115/IMECE1999-0895
DO - 10.1115/IMECE1999-0895
M3 - Conference contribution
AN - SCOPUS:85122746475
T3 - ASME International Mechanical Engineering Congress and Exposition, Proceedings (IMECE)
SP - 99
EP - 105
BT - On the Recent Advances of the Ultrasonic Nondestructive Evaluation and Composite Material Characterization
T2 - ASME 1999 International Mechanical Engineering Congress and Exposition, IMECE 1999
Y2 - 14 November 1999 through 19 November 1999
ER -