RIZZO , Cesare Mario

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A sensitivity analysis is applied to a reliability model for fatigue life calculations of typical welded joints based on fracture mechanics. The aim is to select the most influencing parameters, before and after inspection updating. A literature survey allowed to provide an overview of the input parameter values, looking at reducing as far as...

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The parameter "time" is more and more worth in the trading and business world and the recent technical innovations in ship-building gave to the ship speed a determinant role whereas in the past reliability and low costs played as decisive factors. No doubts on the fact that financial aspects have a fundamental part in every commercial activity...

The classification societies' rules have been updated and improved dramatically in the last years, crossing from empirically-based and prescriptive rules to more rational rules based on reliability analyses and recommending design criteria rather than codifying design scantlings. However, the complexity of the new rules needs to be faced by...

Presentatio of the paper of the Special Issue

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This report summarizes the literature review carried out at the beginning of the research programme in compliance with Task 1 of the research project proposed to and funded by the A. Von Humboldt Stiftung. Conclusions of the present report address the future steps to be undertaken in the research programe that implies exchange periods of the...

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The present research work starts from the working experience of the Author as field surveyor to a classification society. The rules are the link between theory and practice, between research and in service experience. This role is of paramount importance: on a side, theory allows to develop mathematical models and design methods more and more...

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Il contributo che si intende presentare si propone di investigare la resistenza di pannelli sandwich in composito, le cui caratteristiche risultino compatibili con l'impiego nell'industria navale e nautica; l'interesse è focalizzato sull'influenza che ha il processo produttivo sulle proprietà meccaniche del laminato, con particolare riferimento...

Nowadays, local approaches for determining the fatigue strength of welded joints are commonly used in engineering practices, and regulations describe their field of application and guide designers in the execution of the calculations with numerical methods that are now extensively used. The aim of this paper is to verify the application of the...

This report summarizes research activities carried out in compliance with the extension period of the research project proposed to and funded by the A. Von Humboldt Stiftung. Outline of the activities is reported in the work plan for the fourth period of exchange of the fellowship (extension) of the first author, at the beginning of the present...

Il dimensionamento strutturale dei sistemi velici costituisce una sfida ingegneristica di notevolissima complessità che solo negli ultimi anni ha potuto giovarsi delle moderne tecniche di simulazione numerica. Ancora oggi, in larga parte, si adottano infatti procedure analitiche di derivazione (semi)empirica: non solo la definizione dei carichi...

A series of fatigue tests is under course in the Ship Structures Laboratory of the Dipartimento di Ingegneria Navale e Tecnologie Marine (DINAV) of the Genoa University on a particular ship structure detail: an ordinary T-section stiffener intersecting a deep web girder. The specimens have been manufactured following standard shipyard's...

Dispense del corso di costruzioni navali per gli allievi ufficiali dell'Accademia di Livorno

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