Identyfikatory
Warianty tytułu
Języki publikacji
Abstrakty
In this paper, the results of numerical studies on optimization of a geometrically nonlinear column with an internal crack by means of genetic algorithms are presented. The system is loaded by an axially applied external force P with a constant line of action. The presented problem is formulated on the basis of the principle of stationary total potential energy. The main purpose of this paper is to investigate an influence upon the localization of the crack and flexural rigidity ratio on critical loading of the system and to find an optimum localization of the crack in order to achieve high loading capacity. In order to calculate optimum values of these parameters the genetic algorithms are implemented into computer program. The artificial method of solution of the problem has been used due to the strongly nonlinear nature of the investigated problem.
Rocznik
Tom
Strony
115--124
Opis fizyczny
Bibliogr. 11 poz., rys.
Twórcy
autor
- Institute of Mechanics and Machine Design Foundation, Czestochowa University of Technology Częstochowa, Poland
autor
- Institute of Computer and Information Sciences Foundation, Czestochowa University of Technology Częstochowa, Poland
Bibliografia
- [1] Kukla S., Free vibration and stability of stepped columns with cracks, Journal of Sound and Vibration 2009, 319, 1301-1311.
- [2] Wang C.Y., Buckling of an internally hinged column with an elastic support, Engineering Structures 2002, 24, 1357-1360.
- [3] Przybylski J., Drgania i stateczność dwuczłonowych układów prętowych wstępnie sprężonych przy obciążeniach niezachowawczych, Częstochowa 2002.
- [4] Tomski L., Uzny S., Vibration and stability of geometrically nonlinear column subjected to generalized load with a force directed toward the positive pole, International Journal of Structural Stability and Dynamics 2008, 8, 1-24.
- [5] Bouchard P.O., Bay F., Chastel Y., Numerical modelling of crack propagation: automatic remeshing and comparison of different criteria, Computer Methods in Applied Mechanics and Engineering 2003, 192, 3887-3908.
- [6] Pierres E., Baietto M.C., Gravouil A., A two-scale extended finite element method for modeling 3D crack growth with interfacial contact, Computer Methods in Applied Mechanics and Engineering 2010, 199, 1165-1177.
- [7] Rannou J. et al, Three dimensional experimental and numerical multiscale analysis of a fatigue crack, Computer Methods in Applied Mechanics and Engineering 2010, 199, 1307-1325.
- [8] Yongyong H., Dan G., Fulei Ch., Using genetic algorithms to detect and configure shaft crack for rotor-bearing system, Computer Methods in Applied Mechanics and Engineering 2001, 190, 5895-5906.
- [9] Cekus D., Posiadała B., Vibration model and analysis of three-member telescopic boom with hydraulic cylinder for its radius change, International Journal of Bifurcation and Chaos 2011, 21, 2883-2892.
- [10] Hollad J.H., Adaptation in Natural and Artificial Systems, University of Michigan Press, 1975.
- [11] Michalewicz Z., Genetic Algorithms + Data Structures = Evolution Programs, Springer Verlag, Berlin 1996.
Typ dokumentu
Bibliografia
Identyfikator YADDA
bwmeta1.element.baztech-76b1feea-a48f-4972-ad1c-2516aff83f83