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DAMAGE DETECTION IN BEAM STRUCTURES BASED ON FREQUENCY MEASUREMENTS
Damage detection in vibrating beams, or beam systems, is dealt with in this paper. Damage is represented by a more or less concentrated decrease in stiffness. A linear behavior is assumed before andExpand
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Damage Evaluation in Cracked Vibrating Beams Using Experimental Frequencies and Finite Element Models
The paper focuses on the problem of locating and quantifying damage in vibrating beams due to cracks. The problem is shown to have certain peculiarities that, to some extent, make it easier to solveExpand
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Periodic response of a class of hysteretic oscillators
Abstract Steady-state oscillations of hysteretic systems are studied by referring to a class of oscillators that are simple but representative of the various models introduced to describe materialExpand
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Steady‐State Dynamic Analysis of Hysteretic Systems
A great many hysteretic models have been recently introduced in the analysis of dynamic behavior of structures and structural elements. This paper considers the steady‐state oscillations ofExpand
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Motion of a rigid body with a rounded base due to harmonic excitation
The asymptotic response of a rigid block to harmonic force is very rich and well worth studying, for both theoretical and technical reasons. The present study is motivated partly by the possibilityExpand
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Damage identification in a parabolic arch by means of natural frequencies, modal shapes and curvatures
This paper investigates damage identification techniques based on the difference of modal frequencies, shapes and curvatures in the damaged and undamaged states of the structure. The sensitivity ofExpand
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Reduced phase space analysis for hysteretic oscillators of masing type
Abstract Hysteretic oscillators can be represented as dynamic systems provided a high dimension phase space is considered. It is shown that for a fairly large class of oscillators, based on MasingExpand
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Piola’s contribution to continuum mechanics
This paper examines the contribution of Gabrio Piola to continuum mechanics.Though he was undoubtably a skilled mathematician and a good mechanician, little is commonly known about his papers withinExpand
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The Theory of Elasticity in the 19th Century
Until 1820 there was a limited knowledge about the elastic behavior of materials: one had an inadequate theory of bending, a wrong theory of torsion, the definition of Young’s modulus. Studies wereExpand
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Voigt and Poincaré’s mechanistic–energetic approaches to linear elasticity and suggestions for multiscale modelling
Many modern theories for “complex” materials rely on the construction of specific potentials for inner actions by resorting to mechanistic/corpuscular descriptions of the matter at different lengthExpand
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