TECHNICAL MECHANICS

 

 

FACULTY

ENGINEERING

DEPARTMENT

CHEMICAL ENGINEERING

LEVEL OF STUDY

UNDERGRADUATE

SEMESTER OF STUDY

2o

COURSE TITLE

TECHNICAL MECHANICS
COURSEWORK BREAKDOWNTEACHING WEEKLY HOURSECTS Credits
Lectures3
Laboratory0
Projects2

TOTAL

5
COURSE TYPE Compulsory
PREREQUISITES
LANGUAGE OF INSTRUCTION/EXAMSGreek
COURSE DELIVERED TO ERASMUS STUDENTSYes

MODULE WEB PAGE (URL)

https://eclass.uowm.gr/courses/CHEMENG202/


2. LEARNING OUTCOMES

Learning Outcomes

Upon successful completion of the course the student will be able to:
• possesses critical ability and perception in the general field of engineering, as well as in solving technical problems,
• adequately know and understand the basic principles of Statics,
• recognizes the basic types of mechanical systems,
• has the ability to calculate intensive quantities on simple linear isostatic carriers,
• has the ability to calculate intensive sizes on simple flat trusses,
• know and possess the ability to calculate geometric characteristics such as center of gravity, moment of inertia, radius of inertia, moment of strength, etc.,
• competently know and understand the principles of the basic concept of deformation and stress,
• identify, evaluate and possess the ability to distinguish simple and complex stresses,
• understands the fundamental mechanical behavior of basic building materials,
• possesses the ability to apply and calculate in design problems against simple stresses, compression, tension, bending, torsion, buckling, fatigue, thermal loads.


General Skills

The course aims to contribute to the acquisition of the following general competences and skills:
• ability to search, analyze and synthesize data and information, using the necessary conventional bibliographic and web research technologies,
• ability to take decisions, through the elaboration of alternative technical solutions,
• ability to work in an interdisciplinary environment, through an understanding of the concepts of Statics and Strength of materials within the wider context of practicing mechanical engineering,
• ability for autonomous or group work, through the elaborations of exercises.
• promoting free, inductive and creative thinking through understanding of nature’s operating principles as well as mechanical processes,
• respect for the environment, through understanding the design of basic engineering systems.


3. COURSE CONTENTS

THEORY
Part A: STATICS
Α1. Basics of Statics
Introduction. Definition of force. Definition of moment. Components and resultant. Composition and force analysis. Force balance. Vector index. Supports. Types of vectors [isostatic, hyperstatic, mechanisms].
Α2. Isostatic planar linear vectors
Introduction. Isostatic beam. External and beam loads. Internal loads-cross section loads. Analytical calculation of internal forces-Design of N,Q,M diagrams.
Α3. Isostatic flat trusses
Trusses in general. Problem solving with the node method. Problem solving with the Ritter method.
Α4. Center of gravity – Moments of Inertia
Center of gravity determination, moments of inertia, radius of inertia, moment of resistance, polar moment of inertia, polar moment of resistance.

Part B: STRENGTH OF MATERIALS
Β1. Introductory elements of strength of materials
General concepts. The meaning of stress. The meaning of strain. Simple and complex stresses. Hooke’s law of elasticity. Hooke’s law of composite materials. Material failure.
Β2. Mechanical behavior of materials
Tensile properties of materials. Compression properties of materials. Metals, ceramics, polymers, composites.
Β3. Tension-Compression-Shear
Stress description. Basic concepts and stress-strain relationships.
Β4. Bending-Torsion
Stress description. Basic concepts and relations.
Β5. Stability-Buckling
Buckling problem. Critical load. Buckling length. Euler’s law buckling.
Β6. Thermal stress of materials
Influence of temperature on the strength of the material. Stress calculation.
Β7. Material fatigue
Fatigue phenomena. Influence parameters. Stress calculation.

EXERCISES
1. Composition, force analysis, balance.
2. Problems for isostatic beams.
3. Problems for isostatic trusses.
4. Geometrical characteristics calculation (center of gravity, moment of inertia, etc.).
5. Design against tension, compression, shear.
6. Design against bending, torsion.
7. Design against buckling.
8. Design against thermal loads, fatigue.


4. TEACHING METHODS – ASSESSMENT

MODE OF DELIVERY
Oral presentations
(13 weeks x 3 hours theory and 2 hours tutorial exercises)
USE OF INFORMATION AND COMMUNICATION TECHNOLOGY
Use of ICT in Teaching, Tutorial-Seminar Training, Communication with students.

TEACHING METHODS
Method descriptionSemester Workload
Lectures75
Independent Study60
Exams15
Course Total
ASSESSMENT METHODS Written final exam (100%) including:
• Theory Topics
[brief development of a theoretical topic and/or questions of judgment and/or evaluation of a technical issue], [2 topics are suggested].
• Exercise Topics
[1 topic of exercise in statics, 1 topic of exercise in strength of materials or 1 combined exercise], [suggested from 1 to 3 depending on the workload].

Procedure
Exams with closed books. It is necessary to use a scientific calculator, not the use of a mobile phone.


5. RESOURCES

Suggested bibliography :

1. P.A. Vouthounis: Technical Mechanics. A. Vouthouni Editions. 10th Ed. 2019, [ISBN 978-618-83280-4-4], [Eudoxus code 86054827].
2. F.P. Beer, E.R. Johnston Jr., J.T. Wolf, D.F. Mazuerk: Strength of Materials. Tziola Editions. 2012-2019 Edition. [ISBN: 978-960-418-381-4]. Greek Translation, [Eudoxus code 50655975].
3. P.A. Vouthounis: Statics-Mechanics of the deformed solid. A. Vouthouni Editions. 6th Ed., [ISBN 978-618-83280-1-3], [Eudoxus code 68399599].
4. P.A. Vouthounis: Strength of Materials-Mechanics of deformed solid. A. Vouthouni Editions. 4th Ed. 2019, [ISBN 978-618-83280-3-7], [Eudoxus code 86054774].
5. M. Matsikoudi-Iliopoulou: Technical Mechanics: Principles of Statics an Introduction to the theory of deformable bodies. Zygos Editions. 1991/2016 Ed.. [ISBN13: 97896080652533], [Eudoxus code 1753].
6. G. Gros. Mechanics. Volume A. Eugenides Fountation, 1976.


Related academic journals:

1. Engineering Structures, https://www.journals.elsevier.com/engineering-structures 2. Construction and Building Materials, https://www.journals.elsevier.com/construction-and-building-materials 3. Composites Part B: Engineering, https://www.journals.elsevier.com/composites-part-b-engineering