Search Results - "Caddemi, S."

The exact explicit dynamic stiffness matrix of multi-cracked Euler–Bernoulli beam and applications to damaged frame structures by Caddemi, S., Caliò, I.

“…In this paper the closed form expression of the exact dynamic stiffness matrix of an Euler–Bernoulli beam in the presence of an arbitrary number of…”
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Exact closed-form solution for the vibration modes of the Euler–Bernoulli beam with multiple open cracks by Caddemi, S., Caliò, I.

“…In this study, exact closed-form expressions for the vibration modes of the Euler–Bernoulli beam in the presence of multiple concentrated cracks are presented…”
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A Discrete Macro-Element Method (DMEM) for the nonlinear structural assessment of masonry arches by Cannizzaro, F., Pantò, B., Caddemi, S., Caliò, I.

“…•A plane discrete macro-element method for masonry arch structures is presented.•Interaction among contiguous elements is governed by zero-thickness…”
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3D macro-element modelling approach for seismic assessment of historical masonry churches by Pantò, B., Cannizzaro, F., Caddemi, S., Caliò, I.

“…•A macro-element to simulate the in- and out-of-plane response of masonry structures is proposed.•The approach is based on a three-dimensional discrete element…”
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Explicit dynamic response of damaged beams with application to uncertain and identification problems by Cannizzaro, F., Impollonia, N., Caddemi, S., Caliò, I.

“…The influence of damage in beam-like structures is a problem widely analysed in the literature in view of its importance towards the assessment of the residual…”
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Closed form solutions of a multi-cracked circular arch under static loads by Cannizzaro, F., Greco, A., Caddemi, S., Caliò, I.

“…Generalised functions have been widely adopted in structural mechanics to treat singularities of beam-like structures. However due to the curved geometry, that…”
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The influence of multiple cracks on tensile and compressive buckling of shear deformable beams by Caddemi, S., Caliò, I., Cannizzaro, F.

“…•Timoshenko column in presence of an arbitrary number of concentrated cracks is considered.•Cracks have been modeled as concentrated reduction of the flexural…”
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Exact reconstruction of multiple concentrated damages on beams by Caddemi, S., Caliò, I.

“…In this paper, an exact procedure for the reconstruction of multiple concentrated damages on a straight beam is proposed. The concentrated damages are modelled…”
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The exact stability stiffness matrix for the analysis of multi-cracked frame structures by Caddemi, S., Caliò, I.

“…•Frames in presence of an arbitrary number of concentrated cracks are modelled.•The exact buckling loads and relevant modes for damaged frames are…”
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Euler–Bernoulli beams with multiple singularities in the flexural stiffness by Biondi, B., Caddemi, S.

“…Euler–Bernoulli beams under static loads in presence of discontinuities in the curvature and in the slope functions are the object of this study. Both types of…”
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On the use of a roving body with rotary inertia to locate cracks in beams by Cannizzaro, F., De Los Rios, J., Caddemi, S., Caliò, I., Ilanko, S.

“…Identifying cracks and damages in structures using measured vibrational characteristics has received considerable attention in the past few decades. The…”
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Exact solution of the multi-cracked Euler–Bernoulli column by Caddemi, S., Caliò’, I.

“…The use of distributions (generalized functions) is a powerful tool to treat singularities in structural mechanics and, besides providing a mathematical…”
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Flutter and divergence instability of the multi-cracked cantilever beam-column by Caddemi, S., Caliò, I., Cannizzaro, F.

“…For conservative systems instability can occur only by divergence and the presence of damage can produce both a reduction of the buckling loads and…”
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A smart displacement based (SDB) beam element with distributed plasticity by Pantò, B., Rapicavoli, D., Caddemi, S., Caliò, I.

“…•A new distributed plasticity beam element, based on generalised adaptive displacement shape functions, is proposed.•The displacement field discretization of…”
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On the dynamic stability of shear deformable beams under a tensile load by Caddemi, S., Caliò, I., Cannizzaro, F.

“…Loss of stability of beams in a linear static context due to the action of tensile loads has been disclosed only recently in the scientific literature…”
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Closed form solutions of Euler–Bernoulli beams with singularities by Biondi, B., Caddemi, S.

“…The problem of the integration of the static governing equations of the uniform Euler–Bernoulli beam with discontinuities is studied. In particular, two types…”
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A procedure for the identification of multiple cracks on beams and frames by static measurements by Caddemi, S., Caliò, I., Cannizzaro, F., Morassi, A.

“…Summary In this work, a model of the Euler–Bernoulli beam in presence of multiple‐concentrated open cracks, based on the adoption of a localized flexibility…”
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The non-linear dynamic response of the Euler–Bernoulli beam with an arbitrary number of switching cracks by Caddemi, S., Caliò, I., Marletta, M.

“…In this study the non-linear dynamic response of the Euler–Bernoulli beam in presence of multiple concentrated switching cracks (i.e. cracks that are either…”
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Influence of an elastic end support on the dynamic stability of Beck's column with multiple weak sections by Caddemi, S, Calio, I, Cannizzaro, F

“…Recent investigations have shown that the presence of weak cross sections can deeply modify flutter and divergence instability of a cantilever beam-column…”
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Closed-form solutions for stepped Timoshenko beams with internal singularities and along-axis external supports by Caddemi, S., Caliò, I., Cannizzaro, F.

“…The Timoshenko beam model in presence of internal singularities causing deflection and rotation discontinuities and resting on external concentrated supports…”
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