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|Title:||Effects of geometrical and loading parameters on wave propagation in a circular ring|
|Authors:||Shim, V.P.W. |
|Citation:||Shim, V.P.W., Quah, S.E. (2001-02). Effects of geometrical and loading parameters on wave propagation in a circular ring. International Journal of Impact Engineering 25 (2) : 103-122. ScholarBank@NUS Repository. https://doi.org/10.1016/S0734-743X(00)00042-7|
|Abstract:||A theoretical investigation into the transient elastic response of a circular ring under radial impact is undertaken. The effects of ring curvature, cross-section geometry and impact duration on the resulting shear force, axial force and bending moment distributions and ring deformation are examined. This extends an earlier effort which employed classical Timoshenko beam theory, coupled with the method of characteristics, to analyze propagation of flexural waves in rings. The present study shows that curvature and ring cross-sectional geometry do not significantly affect the development of bending moments and shear forces but influence axial forces induced and the deformed shape. It is found that for a given impulse, propagation of generalized forces and the deformation geometry depend on impact duration. Wave speeds relating to different deformation modes are governed primarily by curvature and cross-sectional geometry.|
|Source Title:||International Journal of Impact Engineering|
|Appears in Collections:||Staff Publications|
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