Analysis of damaging process and crack propagation

Semenski, Damir and Wolf, Hinko and Božić, Željko (2010) Analysis of damaging process and crack propagation. = Analysis of damaging process and crack propagation. In: 14th International Conference on Experimental Mechanics, ICEM 2014, 04-09.07.2010., Poitiers; France.

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Abstract

Supervising and health monitoring of structures can assess the actual state of existing structures after initial loading or in the state of operation. Structural life management requires the integration of design and analysis, materials behavior and structural testing, as given for several examples. Procedure of survey of structural elements and criteria for their selection must be strongly defined as it is for the offshore gas platforms. Numerical analysis of dynamic loading is shown for the Aeolian vibrations of overhead transmission line conductors. Since the damper's efficiency strongly depends on its position, the procedure of determining the optimum position of the damper is described. The optical method of caustics is established in isotropic materials for determination of the stress intensity factors (SIFs) of the cracks in deformed structures and is advantageously improved for the application to fiberreinforced composites. A procedure for simulation of crack propagation for multiple cracks was introduced and SIFs have been calculated by using finite element method. Crack growth of a single crack or a periodical array of cracks initiated at the stiffeners in a stiffened panel has been investigated. © 2010 Owned by the authors, published by EDP Sciences.

Item Type: Conference or Workshop Item (Lecture)
Keywords (Croatian): Structural life management; Fatigue; Fracture
Subjects: TECHNICAL SCIENCE > Mechanical Engineering
BIOTEHNICAL SCIENCES > Food technology
Divisions: 1300 Department of Aeronautical Engineering > 1310 Chair of Aerodynamics
200 Department of Engineering Mechanics > 220 Chair of Experimental Mechanics
200 Department of Engineering Mechanics > 230 Chair of Mechanical Systems Dynamics
Indexed in Web of Science: Yes
Indexed in Current Contents: No
Citations SCOPUS: 0 (05.12.2016.)
Date Deposited: 10 Apr 2015 09:40
Last Modified: 05 Dec 2016 13:54
URI: http://repozitorij.fsb.hr/id/eprint/3720

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