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| MECA0001-2 | Mechanics of materials
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| Duration : | 30h Th, 28h Pr, 2h Labo., 12h Proj. |
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| Number of credits : |
| Bachelor in Engineering: Architecture, 2nd year | | 5 |
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| Bachelor in engineering (Bachelor in engineering sciences, civil engineer orientation), 2nd year | | 5 |
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| Master in Aerospace Engineering, research focus, 1st year | | 5 |
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| Master in Chemical Engineering and Materrial Sciences, research focus, 1st year | | 5 |
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| Master in Geological and Mining Engineering, research focus, 1st year | | 5 |
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| Master in Engineering Physics, research focus, 1st year | | 5 |
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| Master in Aerospace Engineering, Professional Focus (Management), 1st year | | 5 |
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| Master in Chemical and Material Sciences, specialized approach, 1st year | | 5 |
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| Master in Geological and Mining Engineering, specialized approach, 1st year | | 5 |
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| Master in Engineering Physics, specialized approach, 1st year | | 5 |
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| Lecturer : | Jean-Pierre Jaspart |
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| Substitute(s) : | Laurent Duchene |
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Language(s) of instruction :
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| French language |
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Organisation and examination :
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| Teaching in the first semester, review in January |
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Course contents :
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| Overview and structure of the course
- Genaral equilibrium principles (identification of all external efforts acting on the studied body, concept of the cut and identification of the internal forces acting on both sides of the cut)
- Notions of stresses and of plasticity surfaces (Mohr circle in in-plane stress field)
- Material properties: link between the stresses and the deformations
- Beam definition
- Calculation of internal forces in a structure constituted of beams (MNT diagrams)
- Calculation of internal forces in a truss
- Security concepts
- Study of the different internal forces in a beam section - how to pass from forces to stresses (tension, compression, bending, torsion, shear, combined loading)
- Deflections in structures made of beams
- Concept of second order analysis and notions of elastic buckling of beams in compression
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Learning outcomes of the course :
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| This course establishes a link between general courses of mathematics, physics and a particular field of the engineering: the mechanics of materials. It strides towards a double objective:
- to teach the students how to make use of notions studied in these general courses in broaching a new subject, implying to "mix" these notions and to develop the aptitude of synthesis and application;
- to give to the students the basics in Material Mechanics and to teach them how to apply these ones to some practical cases of beams.
For engineering students who shall specialize in civil engineering, architecture, mechanics, applied physics, this course will be of basic use for series of more specialized courses, such as mechanics of solids, theory of structures, knowledge of materials, ... It will enable them to integrate the notions of equilibrium and stress on the actual and unidimensional case of beams before studying applications requiring the use of full tensors in the course of Solid Mechanics.
For the others, this course is an education to scientific approach for engineers, while providing basic terminology that will be useful for discussions with specialists.
After the courses, the student should be able, for structures made of beams and for a given loading situation, to achieve the following tasks:
- Draw the MNT diagrams in the structure
- Achieve adequate cuts in the structure and evaluate the corresponding internal forces
- From these internal forces, to calculate the stresses in the cross-section
- Define whether or not the constitutive material may resist to the stresses
- Define how this structure deforms
- Define whether there is a risk of flexural buckling the the columns
- Calculate the internal forces in a truss structure
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Prerequisites and co-requisites/ Recommended optional programme components :
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| Course of « Physique Générale », of « Analyse Mathématique» and of « Algèbre » |
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Planned learning activities and teaching methods :
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- Lectures are ex-cathedra courses. They are taught in French (2 hours per week). Time for questions is allowed especially after each lesson or during breaks.
- Session for exercises (2 hours per week); the latter are solved, explained and commented by student-instructors. The active participation of students is hightly recommanded during exercises sessions. These exercises sessions are given in French.
- Complementary exercises proposed to the students, for students to train themselves to solving exercises (in the specific exercise book of the course and in the specific booklet for the exercises. Final answers are given)
- A report (compulsory) on a home-made exercise: resolution of an exercice, representative of what the student should be able to do at the end of the course. A detailled correction is provided at the end of the year.
- 5 special sessions for questions and answers (optional). A team of assistant and student-instructor is in a classroom for 2 hours to answer the questions of the students. The schedule and classes for these sessions are provided via MyULg
- A visit to the laboratory session (compulsory - 1 1/2 hour); some of the taught principles will be illustrated.
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Mode of delivery (face-to-face ; distance-learning) :
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| Face-to-face lecture |
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Recommended or required readings :
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| Theory
- Photocopies of the book " "Mécanique des Matériaux » (S. Cescotto) (available by AEES, "Centrale des Cours")
- The two first chapters of the book for the courses of "Mécanique du Solide" (/!\ the engineers-architects and the civil engineers in the Construction and Mechanics options, need the whole book of "Mécanique du Solide" taught in the second semester) (available by AEES, "Centrale des Cours")
- The slides presented during the courses are made available on MyULg (in the category "files"), as far as possible before the theoretical courses
TP
- Book of exercises (available by AEES, "Centrale des Cours")
- The two first chapters of the book for the courses of "Mécanique du Solide" (/!\ the engineers-architects and the civil engineers in the Construction and Mechanics options, need the whole book of "Mécanique du Solide" taught in the second semester) (available by AEES, "Centrale des Cours")
- A specific booklet containing the main theoretical aspects required to solve the exercises; it is made available on MyULg (in the category "files")
- A collection of solved exercises, available on MyULg (in the category "files")
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Assessment methods and criteria :
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- Report on homework (in French)
- Written exam (in French): open questions on theory (1 hour) and solution of problems (3 hours)
Authorized tools during exams:
- theory : none
- problems : all notes
For the second session exam, the quotation of the homework are no more taken into account. |
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Work placement(s) :
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Organizational remarks :
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| Courses and sessions of exercises are organised on the Sart-Tilman campus. Students are informed in case of an exception. All informations are communicated through MyULg (category "files" of by mail). To have access, students should have validated their study program.
For the courses : Wednesday, from 08h00 to 10h15 with a break : auditorium 300 (building B7a, Grands Amphis)
For the sessions of exercises: Wednesday, from 10h30 to 12h30. The groups and classrooms for the sessions of exercises are given during the theoretical course. |
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Contacts :
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- Teacher: J.P. JASPART, Full Professor ; phone : 04 366 92 47 ; jean-pierre.jaspart@ulg.ac.be
- Substitute: Laurent Duchêne, Associate professor; phone: 04/3669328; l.duchene@ulg.ac.be (office: Building B52, +1/536)
- Secretary: Laurence DEFRERE ; phone : 04 366 93 51
- Assistant : Lihong ZHANG ; lihong.zhang@ulg.ac.be(clara.huvelle@ulg.ac.be (office: Building B52, +1/438) )
- The assistant is available to answer the questions of the students concerning the course and the organization of the latter. Do not hesitate to make an appointment by email to ask your questions
- The assistant will as much as possible answer the questions sent by email, knowing that it is always better and easier to make an appointment and discuss orally of your questions
- The assistant will no longer answer questions concerning the course during the last 2 days before an exam or the submission of a report
- Students-instructors: Caroline Deuse, Mathieu Cop, Quentin Borlon, Laurie Pazienza, François Rigo
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