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I. Subject Specification

1. Basic Data
1.1 Title
Kompozitok mechanikája
1.2 Code
1.3 Type
Module with associated contact hours
1.4 Contact hours
Type Hours/week / (days)
Lecture 2
1.5 Evaluation
1.6 Credits
1.7 Coordinator
name Kollár László
academic rank Professor
email kollar.laszlo@emk.bme.hu
1.8 Department
Department of Structural Engineering
1.9 Website
1.10 Language of instruction
hungarian and english
1.11 Curriculum requirements
1.12 Prerequisites
1.13 Effective date
2 February 2022

2. Objectives and learning outcomes
2.1 Objectives
Understanding the behavior of structures made of composite material. Importance of manufacturing, material properties, role of constituents. Why to use and not to use. Modelling of beams, plates and the simple structures. The most important assumptions of numerical solutions are introduced. Understanding failure of composites.
See detailed topics.s
2.2 Learning outcomes
Upon successful completion of this subject, the student:
A. Knowledge
  1. will learn the methods of structural design and calculation of composite structure
  2. will learn the behavior of composite structures,
  3. will learn the typical behavior of composite plates and beams
  4. will learn the calculation of failure,
  5. It is expected that students are capable to analyze a simple composite structure, and after learning a FE code, even a complex structure
B. Skills
  1. The focus is on understanding, and on capability to apply the knowledge to new problems
  2. see knowledge and topics,
C. Attitudes
  1. cooperates with the lecturer and with fellow students,
  2. is ready to apply numerical computational tools,
  3. is intent on understanding the behaviour of composite structures,
  4. is intent on problem solving,
  5. is attending to the classes as a responsible member of the community.
D. Autonomy and Responsibility
  1. is open to the new information,
  2. is able to think in system.
2.3 Methods
Lectures and oral communications, hoping the active contribution of students
2.4 Course outline
HétElőadások és gyakorlatok témaköre
1.Introductions: definition of composites, types, materials, why to use, typical examples, mayor differences compared to traditional building materials, manufacturing
3.Material law: anisotropic-, orthotropic- transversely isotropic-, isotropic materials, constrains on engineering constants
5.Micromechanics: rule of mixtures, improvements, Halpin-Tsai equation,
7.Macromechanics: theory of thin laminated plates, A-B-D matrices, special layups
9.Failure criteria: maximum stress and strain, quadratic (Tsai-Wu), composite plate with holes
11.Composite structures: plates, pressure vessel, composite beams (tension, bending, shear, torsion)
13.Stability analysis: plate buckling, column buckling, local buckling of thin walled beams

The above programme is tentative and subject to changes due to calendar variations and other reasons specific to the actual semester. Consult the effective detailed course schedule of the course on the subject website.
2.5 Study materials
  • Kollár and Springer: Mechanics of Composite Structures, Cambridge University Press, 2004
2.6 Other information
2.7 Consultation
This Subject Datasheet is valid for:
Nem induló tárgyak

II. Subject requirements

Assessment and evaluation of the learning outcomes
3.1 General rules
3.2 Assessment methods
Teljesítményértékelés neve (típus)JeleÉrtékelt tanulási eredmények
A.1-A.5; B.1-B.2; C.1-C.5; D.1-D.2

The dates of deadlines of assignments/homework can be found in the detailed course schedule on the subject’s website.
3.3 Evaluation system
3.4 Requirements and validity of signature
3.5 Grading system
ÉrdemjegyPontszám (P)
jeles (5)
jó (4)
közepes (3)
elégséges (2)
elégtelen (1)
3.6 Retake and repeat
3.7 Estimated workload
3.8 Effective date
2 February 2022
This Subject Datasheet is valid for:
Nem induló tárgyak