MECHANICAL MODELS FOR DESIGN
Academic year and teacher
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- Versione italiana
- Academic year
- 2020/2021
- Teacher
- CLAUDIO ALESSANDRI
- Credits
- 6
- Didactic period
- Secondo Semestre
- SSD
- ICAR/08
Training objectives
- The Course, as the first introduction to the Mechanics of Materials and Structures, has the following goal :
- to provide the mathematical – physical tools and the basic mechanical models for a correct design of artefacts and prototypes for Industry, such as to meet the requirements of strength, stability and functionality at the same time. Prerequisites
- Students must have familiarity with the Mathematics and Physics of the High School.
Course programme
SI measure units, global and local reference systems
Basic elements of Vector Analysis
Concepts of Force, Moment of Forces, displacements and rotations, work and their representation in terms of Vectors
The fundamental laws of Mechanics
Rigid bodies and the fundamental laws of Statics
2-D and 3-D external and internal constraints; relationships between mechanical representation and technological features
Elements of Geometry of Masses; center of masses, static moment, moments of inertia and related properties
Structure as bearing body
Basic loading conditions
Equilibrium of rigid bodies and rigid body systems
Deformability
Tension and Strain
Material elastic, linear elastic, plastic and fragile behaviors by means of diagrams of axial experimental tests
Homogeneity, isotropy, orthotropy, anisotropy, ductility, fragility, hardness, tenacity, resilience, creep, fluage
Determinate and indeterminate structures
One-dimensional models for the analysis of statically determinate structures
Constraint reactions
Elementary and combined internal forces: tension, compression, bending, compression and bending, shear, torsion
Influence of temperature on material behavior: thermal conductivity and thermal expansion
Basic concepts of structural instability
Simple checks on material strength by means of the admissible tension Method
Relationship shape-structure, shape - strength
Structural typologies and their strength based either on mass or shape
Presentation of works carried out by students in previous academic years
Didactic methods
- Direct lectures. The topics of the Course are presented in their main features and with their relationships with the present trend of the Industrial Design. The theoretical parts of the Course are always followed by applications to specific case studies.
Learning assessment procedures
- The level of achievement of the main objectives of the Course is evaluated by a final test consisting of:
Compilation of a questionnaire containing multiple choice questions on the theoretical and practical topics of the course
The exam is considered as passed if an adequate number of correct answers have been provided Reference texts
- Basic bibliography:
- Lecture notes and educational material in the course web page
- Works carried out by students of the previous years
- Materiali per il Design – Introduzione ai materiali e alle loro proprietà. A cura di B. Del Curto e C. Marano. Casa Editrice Ambrosiana. ISBN 978-88-08-18400-9
- STATICA applicata alle costruzioni, L. Boscotrecase & A. Di Tommaso, Patròn Ed.
- Introduzione alla Meccanica delle Strutture per il Design, Antonietta Campanella , ARACNE Ed., 2014, ISBN-13: 978-8854879331
