Computational Technology Resources - CCP

P. Cacciola, G. Muscolino, "Dynamic Analysis of Beams with a Closing Crack", in B.H.V. Topping, (Editor), "Computational Techniques for Materials, Composites and Composite Structures", Civil-Comp Press, Edinburgh, UK, pp 225-231, 2000. doi:10.4203/ccp.67.5.2

Abstract

In this paper the deterministic and stochastic dynamic behaviour of a beam with a transverse an edge non-propagating crack is studied. The beam is discretized by a finite element model in which a so-called closing crack model, with fully open or fully closed crack, is used to describe the damaged element. Once the mathematical model of the beam is defined, the dynamic response is evaluated by applying a numerical procedure based on the philosophy of structural systems with dynamic modification. It has been assumed that the change between fully open and fully closed takes place instantaneously giving rise to a bilinear-type stiffness non-linearity. The proposed method requires: i) the evaluation of mode shapes only at the beginning of the numerical procedure in which the crack is closed, ii) the evaluation of numerical response in modal subspace by updating the fundamental operator at each step taking into account of possible crack.

purchase the full-text of this paper (price £20)

go to the previous paper
go to the next paper
return to the table of contents
return to the book description
purchase this book (price £92 +P&P)

	Computational & Technology Resources an online resource for computational, engineering & technology publications
	not logged in - login
Front Page Browse CCP CSETS CTR IJRT Other Authors Search Purchase Guide FAQ Contact us	Civil-Comp Proceedings ISSN 1759-3433 CCP: 67 COMPUTATIONAL TECHNIQUES FOR MATERIALS, COMPOSITES AND COMPOSITE STRUCTURES Edited by: B.H.V. Topping Paper V.2 Dynamic Analysis of Beams with a Closing Crack P. Cacciola and G. Muscolino Dipartimento di Costruzioni e Tecnologie Avanzate, Università degli Studi di Messina, Messina, Italy doi:10.4203/ccp.67.5.2 purchase the full-text of this paper Full Bibliographic Reference for this paper P. Cacciola, G. Muscolino, "Dynamic Analysis of Beams with a Closing Crack", in B.H.V. Topping, (Editor), "Computational Techniques for Materials, Composites and Composite Structures", Civil-Comp Press, Edinburgh, UK, pp 225-231, 2000. doi:10.4203/ccp.67.5.2 Abstract In this paper the deterministic and stochastic dynamic behaviour of a beam with a transverse an edge non-propagating crack is studied. The beam is discretized by a finite element model in which a so-called closing crack model, with fully open or fully closed crack, is used to describe the damaged element. Once the mathematical model of the beam is defined, the dynamic response is evaluated by applying a numerical procedure based on the philosophy of structural systems with dynamic modification. It has been assumed that the change between fully open and fully closed takes place instantaneously giving rise to a bilinear-type stiffness non-linearity. The proposed method requires: i) the evaluation of mode shapes only at the beginning of the numerical procedure in which the crack is closed, ii) the evaluation of numerical response in modal subspace by updating the fundamental operator at each step taking into account of possible crack. purchase the full-text of this paper (price £20) go to the previous paper go to the next paper return to the table of contents return to the book description purchase this book (price £92 +P&P)
Back to top	©Civil-Comp Limited 2023 - terms & conditions