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MECHANICAL DESIGN

CODE 56643
ACADEMIC YEAR 2017/2018
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

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

Exam Board

MARGHERITA MONTI (President)

GIOVANNI BERSELLI

ROBERTO RAZZOLI

PAOLO SILVESTRI

LESSONS

TEACHING METHODS

classroom lessons

Class schedule

All class schedules are posted on the EasyAcademy portal.

EXAMS

EXAM DESCRIPTION

oral examination

Exam schedule

Date Time Location Type Notes
09/01/2018 09:00 GENOVA Orale
25/01/2018 09:00 GENOVA Orale
15/02/2018 09:00 GENOVA Orale
10/04/2018 09:00 GENOVA Orale
08/05/2018 09:00 GENOVA Orale
04/06/2018 09:00 GENOVA Orale
26/06/2018 09:00 GENOVA Orale
18/07/2018 09:00 GENOVA Orale
12/09/2018 09:00 GENOVA Orale

FURTHER INFORMATION

prerequisites: continuum mechanics