
Course unit
APPLIED MECHANICS
IN05105663, A.A. 2017/18
Information concerning the students who enrolled in A.Y. 2016/17
ECTS: details
Type 
ScientificDisciplinary Sector 
Credits allocated 
Educational activities in elective or integrative disciplines 
INGIND/13 
Applied Mechanics for Machinery 
6.0 
Course unit organization
Period 
Second semester 
Year 
2nd Year 
Teaching method 
frontal 
Type of hours 
Credits 
Teaching hours 
Hours of Individual study 
Shifts 
Lecture 
6.0 
48 
102.0 
No turn 
Start of activities 
26/02/2018 
End of activities 
01/06/2018 
Examination board
Board 
From 
To 
Members of the board 
9 A.A. 2017/18 
01/10/2017 
30/11/2018 
BOSCHETTI
GIOVANNI
(Presidente)
ROSATI
GIULIO
(Membro Effettivo)
DORIA
ALBERTO
(Supplente)
MASSARO
MATTEO
(Supplente)
ROSSI
ALDO
(Supplente)

8 A.A. 2016/17 
01/10/2016 
30/11/2017 
COSSALTER
VITTORE
(Presidente)
DORIA
ALBERTO
(Membro Effettivo)
MASSARO
MATTEO
(Supplente)

Prerequisites:

None 
Target skills and knowledge:

Providing students with the basic technical knowledge (laws, equations, theorems) for modeling mechanical systems. Presenting the chief components for motion generation and power transmission. Investigating the methods for the kinematics and dynamics analysis of machines, with reference, in particular, to planar motion. 
Examination methods:

Written assessment 
Course unit contents:

INTRODUCTION: definition of machine and mechanism. Equilibrium, constitutive and congruence equations, simplifying hypotheses. Analysis and synthesis of machines: definition of forward and inverse kinematic analysis, definition of forward and inverse dynamic analysis, kinematic synthesis.
KINEMATICS OF PLANAR LINKAGES: relative motion, kinematic pairs, Grubler equation, loopclosure equations, choice of the independent equations. Assur groups, identification of Assur groups in a mechanism. Loop closure equation Jacobian matrix, numerical iterative solution of position loop closure equations; NewtonRaphson iterative scheme. Solution of position, velocity and acceleration kinematics analysis, velocity and acceleration ratios. Singular configurations. Basic examples: slidercrank mechanism, fourbar linkage, turningblock linkage. Exercises.
DYNAMICS OF PLANAR LINKAGES: essentials of rigidbody mechanics and mass distribution. Principle of virtual work: definition and application to inverse dynamics problems. D’Alambert principle; kinetostatic application of the principle of virtual work. Lagrange equations. Solution of inverse dynamics problems using Newton’s approach, computation of joint reactions. Forward dynamics essentials. Exercises.
POWER TRANSMISSION COMPONENTS: gear trains: definitions, essentials of gears, ordinary and planetary gear trains, Willis equation, computation of the actual gear ratio, efficiency, epicyclic speedreducers. 
Textbooks (and optional supplementary readings) 

M. Giovagnoni, A. Rossi, Introduzione allo studio dei meccanismi. Padova: Edizioni Libreria Cortina, 1996.

E. Funaioli, A. Maggiore, U. Meneghetti, Lezioni di meccanica applicata alle macchine. Bologna: Patron Editore, 2005.


