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Featured researches published by L. Ercoli.


Applied Acoustics | 1987

WHIRLING OF FLEXIBLE SHAFTS WITH INTERMEDIATE SUPPORTS

P.A.A. Laura; S. La Malfa; L. Ercoli; Víctor H. Cortínez

Abstract The present paper deals with an approximate solution of the title problem using the Rayleight-Schmidt procedure. It is shown that rotating shafts of non-uniform cross section can be analyzed in a straightforward manner. Experimental and analytical results are obtained for the case of uniform shafts with intermediate supports, and good engineering agreement is shown to exist.


The Shock and Vibration Digest | 1997

A review of studies dealing with dynamic stiffening of thin, elastic plates

P.A.A. Laura; L. Ercoli; S. La Malfa; D. Pasqua

Several studies have shown that removing mass from a plate has the same, or even greater effect, as losing rigidity. The result is a lighter structure with an equal or higher fundamental frequency of transverse vibration; in other words, dynamic stiffening has been achieved.


Applied Mechanics Reviews | 1991

Analytical and Experimental Investigation on a Vibrating Timoshenko Beam Clamped at One End and Carrying a Finite Mass at the Other

P.A.A. Laura; R.E. Rossi; L. Ercoli; S. La Malfa

An exact solution of the title problem is presented. Experimental results are obtained and it is shown that they are in reasonably good agreement with the analytical predictions.


Journal of Sound and Vibration | 1983

Vibrations of rectangular plates with point supports: Comparison of results

J. G. M. Kerstens; P.A.A. Laura; R.O. Grossi; L. Ercoli


Journal of Sound and Vibration | 1985

Reduction of infant incubators services noise

P.A.A. Laura; S. La Malfa; L. Ercoli; D. Maquez


Journal of Sound and Vibration | 1982

Comments on “natural longitudinal frequencies of a uniform rod with a tip mass or a spring”

P.A.A. Laura; R.O. Grossi; L. Ercoli


Journal of Sound and Vibration | 1998

DYNAMIC CHARACTERIZATION OF AN ECONOMIC, ADJUSTABLE MACHINE MOUNT

L. Ercoli; S. La Malfa; P.A.A. Laura; R.E. Rossi


Journal of Sound and Vibration | 1997

COMMENTS ON “RAYLEIGH ESTIMATES OF THE FUNDAMENTAL FREQUENCIES OF CIRCULAR PLATES” (WITH AUTHORS' REPLY)

P.A.A. Laura; L. Ercoli; R.O. Grossi


Journal of Sound and Vibration | 1997

COMMENTS ON “NATURAL VIBRATION ANALYSIS OF CLAMPED RECTANGULAR ORTHOTROPIC PLATES”

P.A.A. Laura; L. Ercoli; D.V. Bambill; V. Jederlinic


Journal of Sound and Vibration | 1996

COMMENTS ON “NATURAL” MODE ANALYSIS OF HOLLOW AND ANNULAR ELLIPTICAL CYLINDRICAL CAVATIES

P.A.A. Laura; L. Ercoli; D.V. Bambill; C.A. Rossit

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P.A.A. Laura

National Scientific and Technical Research Council

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D.V. Bambill

Universidad Nacional del Sur

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R.E. Rossi

Universidad Nacional del Sur

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S. La Malfa

Universidad Nacional del Sur

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C.A. Rossit

Universidad Nacional del Sur

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D. Pasqua

Universidad Nacional del Sur

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D.R. Avalos

Universidad Nacional del Sur

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H.A. Larrondo

Universidad Nacional del Sur

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V. Jederlinic

Universidad Nacional del Sur

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Víctor H. Cortínez

Universidad Nacional del Sur

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