MECHANICAL DESIGN

MECHANICAL DESIGN

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Code
56643
ACADEMIC YEAR
2019/2020
CREDITS
6 credits during the 2nd year of 8738 Naval Architecture and Marine Engineering (LM-34) GENOVA
SCIENTIFIC DISCIPLINARY SECTOR
ING-IND/14
LANGUAGE
Italian
TEACHING LOCATION
GENOVA (Naval Architecture and Marine Engineering)
semester
1° Semester
Teaching materials

OVERVIEW

The objective of this course is to provide the concepts, procedures, decision analysis techniques necessary to design machine elemnts commonly found in mechanical and naval devices.

AIMS AND CONTENT

LEARNING OUTCOMES

The aim of this course is to supply  overall methods for machine design in reference to static, fatigue strength, and brittle failure

Teaching methods

classroom lessons

SYLLABUS/CONTENT

What’s Machine design

Materials

Static strenth, Plastic deformation, Strength and hardness, Viscoelasticity, Creep and temperature properties

Design for static strength

Failure of ductile and brittle materials, Stress concentration, Determination of stress concentration factors, Stress concentration charts, Design for static strength with notched elements

Design for fatigue strength

S-N diagram, High-cycle fatigue, Endurance –limit modifying factors, Stress-concentration effects, Torsion, stress due to combined loading, Cumulative fatigue damage

Fracture mechanics

Stress state in a crack, SIF, Critical stress-intensity factor, Fracture toughness factors, Fatigue cracks propagation

Pressure vessel design

Cylindrical and spherical pressure vessels: thick and thin-walled vessel, shrink fits

Shafts

Flexural vibration, Torsional vibration

Weldings design for static and fatigue loads

Flexible mechanical elements

RECOMMENDED READING/BIBLIOGRAPHY

J.E. Shigley, “Mechanical Engineering Design”, MCGraw-Hill

R.E. Peterson, “Stress Concentration factors”, Wiley-Interscience Publication

R.W. Hertzberg, “Deformation and fracture mechanics of engineering materials”, John Wiley & Sons

R.C. Juvinall, “ Fundamentals of machine component design”, John Wiley & Sons

TEACHERS AND EXAM BOARD

Ricevimento: The teacher is available for the students at the end of lessons and by appointment

Exam Board

MARGHERITA MONTI (President)

LESSONS

Teaching methods

classroom lessons

EXAMS

Exam description

oral examination

Exam schedule

Date Time Location Type Notes
24/02/2020 09:00 GENOVA Orale Si ricorda che l'iscrizione alla prova d'esame si chiude 4 giorni prima della data dell'appello. L'esame si svolge in Via all'Opera Pia 15a, sezione MEC del DIME, sala riunioni, salvo indicazioni diverse
15/06/2020 09:00 GENOVA Orale Si ricorda che l'iscrizione alla prova d'esame si chiude 4 giorni prima della data dell'appello. L'esame si svolge in Via all'Opera Pia 15a, sezione MEC del DIME, sala riunioni, salvo indicazioni diverse
13/07/2020 09:00 GENOVA Orale Si ricorda che l'iscrizione alla prova d'esame si chiude 4 giorni prima della data dell'appello. L'esame si svolge in Via all'Opera Pia 15a, sezione MEC del DIME, sala riunioni, salvo indicazioni diverse
14/09/2020 09:00 GENOVA Orale Si ricorda che l'iscrizione alla prova d'esame si chiude 4 giorni prima della data dell'appello. L'esame si svolge in Via all'Opera Pia 15a, sezione MEC del DIME, sala riunioni, salvo indicazioni diverse

FURTHER INFORMATION

prerequisites: continuum mechanics