Author:Fedotov, I; Joubert, S; Marais, J; Shatalov, MDate:2006In this paper a model of an N-stepped bar with variable Cross-sections coupled with foundation by means of lumped masses and springs is studied. It is assumed that the process of vibrations in each section of the bar is described by a wave ...Read more
Author:Shatalov, MY; Joubert, SV; Coetzee, CE; Fedotov, IDate:Jul 2007In symmetric distributed structures subjected to vibration and an inertial rotation, the vibrating patterns turn in the direction of revolution at a rate proportional to the inertial angular rate. This effect has numerous applications in ...Read more
Author:Shatalov, MY; Joubert, SV; Voges, EDate:Jul 2007Vibrating patterns of distributed oscillating structures, subjected to rotation, also turn in the direction of inertial revolution but with different angular rates, which depend on the geometry of the structures, the number of modes, etc. ...Read more
Author:Mngenge, NA; Nelwamondo, Fulufhelo V; Malumedzha, T; Msimang, NDate:Jun 2012The need for segmentation of low quality fingerprints in forensics, high security and civilian applications is constantly increasing. Most segmentation algorithms proposed in the literature normally deal with separation of the background ...Read more
Author:Van Zyl, Louwrens HDate:Jul 1993The use of eigenvectors to assign eigenvalues to modes for the p-k formulation of the flutter equation is described. The procedure has the potential to overcome some of the problems of the determinant iteration procedure to solve the flutter ...Read more