Ingegneria Gestionale | FONDAMENTI DI COSTRUZIONE DI MACCHINE

cod. 0612600034

FONDAMENTI DI COSTRUZIONE DI MACCHINE

	0612600034
	DIPARTIMENTO DI INGEGNERIA INDUSTRIALE
	EQF6
	INDUSTRIAL ENGINEERING AND MANAGEMENT
	2016/2017

PERCORSO COMUNE Cohort 2014/2015

	OBBLIGATORIO
	YEAR OF COURSE 3
	YEAR OF DIDACTIC SYSTEM 2012
	SECONDO SEMESTRE

TEACHING UNITS

	SSD	CFU	HOURS	ACTIVITY	TYPE OF ACTIVITY
	ING-IND/14	6	60	LESSONS	COMPULSORY SUBJECTS, CHARACTERISTIC OF THE CLASS

	Objectives
	KNOWLEDGE AND COMPREHENSION BASIC PRINCIPLES FOR FUNCTIONALITY AND DIMENSIONING OF SIMPLE MECHANICAL OR STRUCTURAL ELEMENTS; MECHANICS OF CONTINUOUS DEFORMABLE SOLID; DISPLACEMENT, STRAIN, STRESS ANALYSES; LINEAR ELASTICITY; INDEFINITE AND BOUNDARY EQUILIBRIUM EQUATIONS; BEAM THEORY AND EVALUATION OF STRAINS AND STRESSES; MODELS OF MECHANISM FORMED BY ASSEMBLED BEAMS; DIMENSIONING AND CHECK OF INTEGRITY APPROACHS FOR SIMPLE ELEMENTS OR GROUPS RELATED TO MECHANICAL DEVICES OR ELEMENTS SUBJECTED TO DIFFERENT LOAD VECTORS AND CONSTRAINTS DEPENDING ON GEOMETRY, BOUNDARY CONDITIONS AND MATERIAL PROPERTIES; STRESS CONCENTRATION FACTORS FOR 2D AND 3D ELEMENTS; MEMBRANE STRESSES IN THIN SHELLS; STRUCTURAL INTEGRITY, STRUCTURAL STIFFNESS, METAL FATIGUE, EULERIAN INSTABILITY OF BEAMS. KNOWLEDGE AND APPLIED CAPABILITY OF COMPREHENSION - ENGINEERING ANALYSIS TO KNOW ANALYSING KYNEMATIC BEHAVIOUR AND STRENGTH OF SIMPLE MECHANICAL ELEMENTS; TO KNOW CHOOSING THE BETTER METHODS FOR STRAIN AND STRESS ANALYSIS TO THE AIM OF DIMENSIONING SIMPLE MECHANICAL COMPONENTS, OPTIMIZING THE EVALUATION PROCESS ON THE BASIS OF THE INITIAL DATA AND THE ACTUAL CONTEST. KNOWLEDGE AND APPLIED CAPABILITY OF COMPREHENSION - ENGINEERING DESIGN DIMENSIONING AND STRUCTURAL ANALYSIS OF SIMPLE ELEMENTS OR GROUPS RELATED TO MECHANICAL DEVICES OR COMPONENTS SUBJECTED TO DIFFERENT LOADS AND CONSTRAINTS DEPENDING ON GEOMETRY, BOUNDARY CONDITIONS AND MATERIAL PROPERTIES. AUTONOMY OF JUDGMENT - ENGINEERING APPLICATION CAPABILITY OF APPLYING RIGHT EVALUATION MODELS FOR A GIVEN MECHANICAL PROBLEM. CAPABILITY OF STATING THE STATIC CONDITIONS OF SIMPLE STRUCTURES. TRANSVERSAL CAPABILITIES - LEARNING CAPABILITIES COMPREHENSION OF TERMS AND DEFINITIONS RELATED TO MATERIAL STRENGTH AND DEFORMABLE BODIES STATIC; CAPABILITY OF EXPLAINING THE USED EVALUATION APPROACH. TRANSVERSAL CAPABILITIES - INVESTIGATION CAPABILITIES KNOWING TO APPLY THE ACQUIRED KNOWLEDGES ALSO TO CONTESTS DIFFERENT FROM THOSE STUDIED IN THE COURSE.

KNOWLEDGE AND COMPREHENSION
BASIC PRINCIPLES FOR FUNCTIONALITY AND DIMENSIONING OF SIMPLE MECHANICAL OR STRUCTURAL ELEMENTS; MECHANICS OF CONTINUOUS DEFORMABLE SOLID; DISPLACEMENT, STRAIN, STRESS ANALYSES; LINEAR ELASTICITY; INDEFINITE AND BOUNDARY EQUILIBRIUM EQUATIONS; BEAM THEORY AND EVALUATION OF STRAINS AND STRESSES; MODELS OF MECHANISM FORMED BY ASSEMBLED BEAMS; DIMENSIONING AND CHECK OF INTEGRITY APPROACHS FOR SIMPLE ELEMENTS OR GROUPS RELATED TO MECHANICAL DEVICES OR ELEMENTS SUBJECTED TO DIFFERENT LOAD VECTORS AND CONSTRAINTS DEPENDING ON GEOMETRY, BOUNDARY CONDITIONS AND MATERIAL PROPERTIES; STRESS CONCENTRATION FACTORS FOR 2D AND 3D ELEMENTS; MEMBRANE STRESSES IN THIN SHELLS; STRUCTURAL INTEGRITY, STRUCTURAL STIFFNESS, METAL FATIGUE, EULERIAN INSTABILITY OF BEAMS.

KNOWLEDGE AND APPLIED CAPABILITY OF COMPREHENSION - ENGINEERING ANALYSIS
TO KNOW ANALYSING KYNEMATIC BEHAVIOUR AND STRENGTH OF SIMPLE MECHANICAL ELEMENTS; TO KNOW CHOOSING THE BETTER METHODS FOR STRAIN AND STRESS ANALYSIS TO THE AIM OF DIMENSIONING SIMPLE MECHANICAL COMPONENTS, OPTIMIZING THE EVALUATION PROCESS ON THE BASIS OF THE INITIAL DATA AND THE ACTUAL CONTEST.

KNOWLEDGE AND APPLIED CAPABILITY OF COMPREHENSION - ENGINEERING DESIGN
DIMENSIONING AND STRUCTURAL ANALYSIS OF SIMPLE ELEMENTS OR GROUPS RELATED TO MECHANICAL DEVICES OR COMPONENTS SUBJECTED TO DIFFERENT LOADS AND CONSTRAINTS DEPENDING ON GEOMETRY, BOUNDARY CONDITIONS AND MATERIAL PROPERTIES.

AUTONOMY OF JUDGMENT - ENGINEERING APPLICATION
CAPABILITY OF APPLYING RIGHT EVALUATION MODELS FOR A GIVEN MECHANICAL PROBLEM. CAPABILITY OF STATING THE STATIC CONDITIONS OF SIMPLE STRUCTURES.

TRANSVERSAL CAPABILITIES - LEARNING CAPABILITIES
COMPREHENSION OF TERMS AND DEFINITIONS RELATED TO MATERIAL STRENGTH AND DEFORMABLE BODIES STATIC; CAPABILITY OF EXPLAINING THE USED EVALUATION APPROACH.

TRANSVERSAL CAPABILITIES - INVESTIGATION CAPABILITIES
KNOWING TO APPLY THE ACQUIRED KNOWLEDGES ALSO TO CONTESTS DIFFERENT FROM THOSE STUDIED IN THE COURSE.

	Prerequisites
	PREREQUISITES: GENERAL TECHNOLOGIES OF MATERIALS, MECHANICAL DRAWING, APPLIED MECHANICS

	Contents
	FUNDAMENTALS: THE STRUCTURAL MECHANICS AND THE PRINCIPLES OF THE MECHANICS - VECTORIAL CALCULUS FOR THE MECHANICAL ENTITIES - CONSERVATIVE AND NON-CONSERVATIVE LOADS - THE CONTINUOUS DEFORMABLE SOLID - TYPES OF EXTERNAL LOADS - DEGREE OF FREEDOM, GLOBAL AND LOCAL - STATIC CHARACTERIZATION OF ELEMENTS AND STRUCTURES. THEORY H4, PRACTICE H4. RELATED ANALYSIS FOR STRAIN AND STRESS/ YELD CRITERIA - RELATED ANALYSIS FOR STRAIN AND DISPLACEMENTS UNDER INFINITESIMAL STRAINS - STRESS TENSORIAL FIELD ANALYSIS - INDEFINITE AND BOUNDARY EQUILIBRIUM EQUATIONS - HOOKE LAW FOR ISOTROPIC MATERIALS - SUPERPOSITION OF THE EFFECTS - NON LINEAR ANALYSIS - DUCTILITY AND BRITTLENESS - YELD CRITERIA AND EQUIVALENT NORMAL STRESS - SAFETY ANALYSIS AND SAFETY FACTOR- THEORY H10, PRACTICE H8. STRUCTURAL BEHAVIOUR OF THE BEAM AND ITS APPLICATIONS - GEOMETRY OF AREAS, PARAMETERS AND RELATIONS - DE SAINT VÉNANT BEAM THEORY - STRESS RESULTANTS - AXIAL LOAD AND STRAIN/STRESS EFFECTS - SIMPLE BENDING, SKEWED OR NOT, WITH RELATED STRAIN/STRESS LAWS - BENDING TRANSVERSAL DEFLECTIONS - ECCENTRIC AXIAL NORMAL LOAD - SHEAR (WITH BENDING) AND ITS EFFECTS - THE TORQUE: SOLUTIONS FOR DIFFERENT SHAPES OF THE NORMAL SECTION, ALSO TUBULAR OR NOT - COUPLEMENT SHEAR/BENDING/TORQUE AND SHEAR CENTER - PROPORTIONING OF AXLES AND SHAFTS - EULERIAN INSTABILITY OF BEAMS AND OMEGA METHOD. THEORY H12, PRACTICE H10. 2D AND 3D STRUCTURAL PROBLEMS - KIRSCH PLATE SOLUTION - STRESS CONCENTRATION FACTORS FOR MANY CASES - FATIGUE FOR METALLIC ELEMENTS - AXISYMMETRICAL THIN SHELLS AND MEMBRANE STRESSES - PIPELINES AND VESSELS. THEORY H6, PRACTICE H4. LABORATORY: GUIDED VISIT TO THE MACHINE DESIGN LABORATORY AND PARTECIPATION TO MECHANICAL TESTS. H2

Contents

FUNDAMENTALS: THE STRUCTURAL MECHANICS AND THE PRINCIPLES OF THE MECHANICS - VECTORIAL CALCULUS FOR THE MECHANICAL ENTITIES - CONSERVATIVE AND NON-CONSERVATIVE LOADS - THE CONTINUOUS DEFORMABLE SOLID - TYPES OF EXTERNAL LOADS - DEGREE OF FREEDOM, GLOBAL AND LOCAL - STATIC CHARACTERIZATION OF ELEMENTS AND STRUCTURES.
THEORY H4, PRACTICE H4.

RELATED ANALYSIS FOR STRAIN AND STRESS/ YELD CRITERIA - RELATED ANALYSIS FOR STRAIN AND DISPLACEMENTS UNDER INFINITESIMAL STRAINS - STRESS TENSORIAL FIELD ANALYSIS - INDEFINITE AND BOUNDARY EQUILIBRIUM EQUATIONS - HOOKE LAW FOR ISOTROPIC MATERIALS - SUPERPOSITION OF THE EFFECTS - NON LINEAR ANALYSIS - DUCTILITY AND BRITTLENESS - YELD CRITERIA AND EQUIVALENT NORMAL STRESS - SAFETY ANALYSIS AND SAFETY FACTOR-
THEORY H10, PRACTICE H8.

STRUCTURAL BEHAVIOUR OF THE BEAM AND ITS APPLICATIONS - GEOMETRY OF AREAS, PARAMETERS AND RELATIONS - DE SAINT VÉNANT BEAM THEORY - STRESS RESULTANTS - AXIAL LOAD AND STRAIN/STRESS EFFECTS - SIMPLE BENDING, SKEWED OR NOT, WITH RELATED STRAIN/STRESS LAWS - BENDING TRANSVERSAL DEFLECTIONS - ECCENTRIC AXIAL NORMAL LOAD - SHEAR (WITH BENDING) AND ITS EFFECTS - THE TORQUE: SOLUTIONS FOR DIFFERENT SHAPES OF THE NORMAL SECTION, ALSO TUBULAR OR NOT - COUPLEMENT SHEAR/BENDING/TORQUE AND SHEAR CENTER - PROPORTIONING OF AXLES AND SHAFTS - EULERIAN INSTABILITY OF BEAMS AND OMEGA METHOD.
THEORY H12, PRACTICE H10.

2D AND 3D STRUCTURAL PROBLEMS - KIRSCH PLATE SOLUTION - STRESS CONCENTRATION FACTORS FOR MANY CASES - FATIGUE FOR METALLIC ELEMENTS - AXISYMMETRICAL THIN SHELLS AND MEMBRANE STRESSES - PIPELINES AND VESSELS.
THEORY H6, PRACTICE H4.

LABORATORY: GUIDED VISIT TO THE MACHINE DESIGN LABORATORY AND PARTECIPATION TO MECHANICAL TESTS.
H2

	Teaching Methods
	THE COURSE CONSIDERS THEORETICAL LESSONS AND NUMERICAL APPLICATIONS DEVELOPED IN THE CLASSROOM, INTEGRATED BY SOME LABORATORY TESTS.

	Verification of learning
	TO HAVE RTO EACH THE PREFIXED AIMS IS OBTAINED BY WRITTEN AND ORAL EXAMINATION. WRITTEN EXAMINATION. CRITERIUM FOR MINIMUM THRESHOLD THE STUDENT HAS TO PROVE THAT HE KNOWS HOW TO SOLVE FOR DETERMINING BOUNDARY CONSTRAINTS AND STRESS RESULTANT DIAGRAMS. CRITERIUM FOR EXCELLENCE. THE STUDENT SHOWS A SURE DIMENSIONING OF A SIMPLE STRUCTURE HIGHLIGTHING GOOD KNOWLEDGE OF THE EMPLOYED FORMULAS. ORAL EXAMINATION. CRITERIUM FOR MINIMUM THRESHOLD THE STUDENT HAS TO PROVE THE GOOD KNOWLEDGE OF THE FORMULATIONS CONNECTED TO THE STRESS RESULTANTS, REPRESENTING THEM FOR PLANAR BEAM STRUCTURES, KNOWING THE APPLICATION OF A STRNGTH CRITERIUM TO A GENERAL STRESS TENSOR, KNOWING HOOKE'S LAW. CRITERIUM OF EXELLENCE IN ADDITION TO THE ABOVE, THE STUDENT HAS TO SHOW THE THEORETICAL DEVELOPMENT OF THE FORMULAS RELATED TO THE STRESS RESULTANTS, DETERMINING PRINCIPAL STRESSES AND MAXIMUM TANGENTIAL STRESSSES, USING DIFFERNT STRENTH CITERIA, EVALUATING MEMBRANAL STRESSES FOR VESSELS,DEVELOPING FATIGUE CALCULATIONS.

Verification of learning

TO HAVE RTO EACH THE PREFIXED AIMS IS OBTAINED BY WRITTEN AND ORAL EXAMINATION.
WRITTEN EXAMINATION.
CRITERIUM FOR MINIMUM THRESHOLD
THE STUDENT HAS TO PROVE THAT HE KNOWS HOW TO SOLVE FOR DETERMINING BOUNDARY CONSTRAINTS AND STRESS RESULTANT DIAGRAMS.
CRITERIUM FOR EXCELLENCE.
THE STUDENT SHOWS A SURE DIMENSIONING OF A SIMPLE STRUCTURE HIGHLIGTHING GOOD KNOWLEDGE OF THE EMPLOYED FORMULAS.
ORAL EXAMINATION.
CRITERIUM FOR MINIMUM THRESHOLD
THE STUDENT HAS TO PROVE THE GOOD KNOWLEDGE OF THE FORMULATIONS CONNECTED TO THE STRESS RESULTANTS, REPRESENTING THEM FOR PLANAR BEAM STRUCTURES, KNOWING THE APPLICATION OF A STRNGTH CRITERIUM TO A GENERAL STRESS TENSOR, KNOWING HOOKE'S LAW.
CRITERIUM OF EXELLENCE
IN ADDITION TO THE ABOVE, THE STUDENT HAS TO SHOW THE THEORETICAL DEVELOPMENT OF THE FORMULAS RELATED TO THE STRESS RESULTANTS, DETERMINING PRINCIPAL STRESSES AND MAXIMUM TANGENTIAL STRESSSES, USING DIFFERNT STRENTH CITERIA, EVALUATING MEMBRANAL STRESSES FOR VESSELS,DEVELOPING FATIGUE CALCULATIONS.

	Texts
	- R. ESPOSITO, NOTES FROM THE LESSONS; - BEER F.P., JOHNSTON E. R., DE WOLF J. T., MECCANICA DEI SOLIDI - ELEMENTI DI SCIENZA DELLE COSTRUZIONI, MCGRAW-HILL, MILANO; - COSTRUZIONE DI MACCHINE, (A CURA DELLA SEZIONE DI COSTRUZIONE DI MACCHINE DEL POLITECNICO DI TORINO), MCGRAW-HILL, MILANO; - MANUALE DELL'INGEGNERE MECCANICO, EDITORE ULRICO HOEPLI, MILANO

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