First cycle
degree courses
Second cycle
degree courses
Single cycle
degree courses
School of Engineering
Course unit
IN01122611, A.A. 2018/19

Information concerning the students who enrolled in A.Y. 2018/19

Information on the course unit
Degree course Second cycle degree in
IN0529, Degree course structure A.Y. 2011/12, A.Y. 2018/19
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Number of ECTS credits allocated 6.0
Type of assessment Mark
Website of the academic structure
Department of reference Department of Management and Engineering
Mandatory attendance No
Language of instruction Italian
Single Course unit The Course unit can be attended under the option Single Course unit attendance
Optional Course unit The Course unit can be chosen as Optional Course unit


ECTS: details
Type Scientific-Disciplinary Sector Credits allocated
Educational activities in elective or integrative disciplines ING-IND/14 Mechanical Design and Machine Building 6.0

Course unit organization
Period Second semester
Year 1st Year
Teaching method frontal

Type of hours Credits Teaching
Hours of
Individual study
Lecture 6.0 48 102.0 No turn

Start of activities 25/02/2019
End of activities 14/06/2019

Examination board
Board From To Members of the board
9 2017 01/10/2017 15/03/2019 ZAPPALORTO MICHELE (Presidente)
QUARESIMIN MARINO (Membro Effettivo)

Prerequisites: Bases of Machine Design (beam theory, strength criteria, fatigue design of mechanical components) and bases of mathematics (solution of ordinary differential equations, integrals).
Target skills and knowledge: The course aims to provide students with a proper knowledge on some topics of advanced mechanical design. In particular:

1. Finite element method for static and dynamic analyses. The aim is to provide students with the theoretical bases of the method, as well as to let them learn the practical use of a commercial finite element code (Ansys).

2. Static and fatigue design of welded joints. The aim is to provide students with the basic knowledge to carry out static and fatigue design of welded joints according to the technical standards.

3. Static and fatigue design of bolted joints. The aim is to provide students with the necessary knowledge to carry out static and fatigue analyses of bolted connections according to the technical standards.

4. Dynamic problems: critical speed of shafts. The aim is to provide students with tools to determine the critical bending speeds of transmission shafts.

5. Critical load and design against buckling. The aim is to provide students with the basic theoretical knowledge on buckling of beams, as well as to provide them with reliable and effective design tools, with particular attention to the approaches suggested by the standards.

6. Pressure vessels. The aim is to provide students with reliable design tools for the design of pressure vessels and rotating discs.
Examination methods: The expected knowledge and skills will be verified with a written exam, divided into two parts:

- 2 or 3 application exercises (for a total score of 10 points out of 30)
- 5 open questions (for a total score of 20 points out of 30).

The oral exam is optional and possible only for scores over 25. It is an oral interview with 2 or 3 open questions.
Assessment criteria: The evaluation criteria will be:
- Completeness of the theoretical knowledge acquired on the topics of the course
- Ability to apply the theoretical knowledge to the practical design of mechanical components (such as welded parts and bolts, flywheels, tanks, etc.)
- Exposure ability and rigorousness.
Course unit contents: The specific contents of the course can be summarized in the following points:

1. Finite element method: Introduction to the method, stiffness matrices of trusses and beams in local and global reference systems, assemblying of stiffness matrices, stiffness matrices for solid elements, modal analysis of structures and plates. Application examples, with the practical finite element analysis of some mechanical components (a plate with a hole, transmission shafts, three-dimensional structures)

2. Static and fatigue design of welded joints: Classification of weld beads, static design criteria, examples of application. Fatigue curves for the fatigue design of welded joints. Equivalent stress and rain flow method.

3. Static and fatigue design of bolted joints: Classification of bolted joints and verification criteria for normal and high-strength bolts.

4. Critical speeds of shafts. Introduction to the problem and calculation methods (track method, Durkerley method). Examples of application.

5. Elastic Buckling. Euler formula. Practical aspects and competition between instability analysis and resistance analysis. Standards, and examples of application.

6. Design of thin-walled, thick-walled vessels: Basic theory and practical examples (tanks, flywheels, turbine discs, etc.)
Planned learning activities and teaching methods: The course is structured into the following activities:

- Theory lectures in the classroom
- Exercise lectures in the classroom, with several examples of application
- Numerical exercises with the aid of a commercial numerical code (ANSYS).
Additional notes about suggested reading: The fundamental teaching material consists of:

-written notes, including all the topics and exercises with solutions

- Further exercises with solutions made available to the students on the moodle platform.

- Further material (such as technical and scientific papers, etc.) made available to the students on the Moodle platform.
Textbooks (and optional supplementary readings)
  • Bruno Atzori, Appunti di costruzione di macchine. Padova: Cortina, 2011. Per consultazione Cerca nel catalogo
  • Bruno Atzori, Moderni metodi e procedimenti di calcolo nella progettazione meccanica. Bari: Laterza, 1979. Per consultazione Cerca nel catalogo
  • Norman DOWLING, Mechanical behavior of materials : Engin eering methods for deformation, fracture & fatigue, (4rd Ed.). --: Prentice Hall, 2012. Per consultazione Cerca nel catalogo
  • G. Ballio, F.M. Mazzolani, Strutture in acciaio, 3 edizione. --: . Hoepli, 1988. Per consultazione Cerca nel catalogo

Innovative teaching methods: Teaching and learning strategies
  • Case study
  • Questioning
  • Loading of files and pages (web pages, Moodle, ...)

Innovative teaching methods: Software or applications used
  • Moodle (files, quizzes, workshops, ...)
  • Ansys (FE code)