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Lecturer(s)
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Rohan Luboš, prof. Ing. CSc.
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Kubáč Tomáš, Ing. Ph.D.
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Course content
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1.Motivation lecture. Intoduction in FEM. Basic terms. (Review of contemporary computaional systems for composite structures design and optimization.) 2.Production and technology ( unidirectional composites, composites with textile reinforcement, sandwiches, etc.) (Basic terms of mechanics of materials) 3.Basic relations of mechanics of anisotropic materials (stress and strain tensors), classification of anisotropic materials. (Use of MATLAB code for mechanics of materials problems) 4.Unidirectional composites, stress to strain relation. Stress and strain transformation. (Stiffness matrice of orthotropic material computation.)¨ 5.Elasticity constants of unidirectional composites and textile reinforced composites. (Computation of off-axis stiffness matrix elements, deformations of a curved beam from unidirectional composite) 6.Experimental determination of material characteristics of composites. (Minimizing curved beam deflection subjected to a concentrated load. Electric resistance strain gauges.) 7.Composite material failure. Fracture processes and micromechanical failure criteria. (Labs - unidirectional composite tensile test.) 8.Composite material failure criteria - non-interactice and interactive ones. (Laboratory measurement evaluation, ways of determining elastic constants of a unidirectional composite.) 9.Laminate analysis, classical laminate theory. (Failure index computation using different criteria.) 10.Constitutive relations, lay-up sequence of laminate. (Computation of extensional, bending and coupling stiffness matrices.) 11.Stress in laminate caused by change in temperature and moisture. Thin-walled tubes made by winding, axial stiffness. (Analysis of the influence of laminate lay-up sequence.) 12.New trends in manifacturing structures from composite materials. (Computation of an axial stiffness of a thin-walled tube made by winding.) 13.Reserve. (Credit awarding.)
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Learning activities and teaching methods
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Lecture, Practicum
- Undergraduate study programme term essay (20-40)
- 40 hours per semester
- Contact hours
- 52 hours per semester
- Preparation for an examination (30-60)
- 40 hours per semester
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| prerequisite |
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| Knowledge |
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| mít základy diferenciálního a integrálního počtu z oblasti matematické analýzy |
| má znalosti z vektorového a maticového počtu z oblasti lineární algebry |
| mít znalosti z mechaniky poddajného tělesa |
| mít znalosti ze základních experimentálních metod pružnosti |
| Skills |
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| vypočítat základní typy derivací a integrálů |
| řešit úlohy lineární pružnosti izotropního tělesa |
| vyhodnocovat laboratorní měření |
| Competences |
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| N/A |
| N/A |
| learning outcomes |
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| Knowledge |
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| provést kontrolu pevnosti a tuhosti jednosměrového kompozitu |
| navrhnout analyticky nebo numericky kompozitovou součást |
| stanovit napjatost a deformaci v jednosměrovém kompozitu |
| popsat a klasifikovat anizotropní materiály |
| Skills |
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| stanovit numericky mezní stav laminátu |
| vyhodnotit laboratorní měření |
| stanovit analyticky a numericky napjatost a deformaci laminátu |
| stanovit materiálové charakteristiky laminátu nutné pro jejich výpočet |
| řešit chování anizotropních materiálů |
| Competences |
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| N/A |
| N/A |
| teaching methods |
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| Knowledge |
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| Lecture with visual aids |
| Skills |
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| Seminar |
| Laboratory work |
| Competences |
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| Students' portfolio |
| Self-study of literature |
| assessment methods |
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| Knowledge |
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| Combined exam |
| Skills |
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| Combined exam |
| Competences |
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| Skills demonstration during practicum |
| Seminar work |
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Recommended literature
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Altenbach, H.; Altenbach, J.; Kissing, W. Mechanics of composite structural elements. Berlín : Springer, 2004. ISBN 3-540-40865-7.
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Berthelot, Jean-Marie. Composite materials : mechanical behavior and structural analysis. New York : Springer, 1999. ISBN 0-387-98426-7.
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Decolon, Christian. Analysis of composite structures. London : Hermes Penton Science, 2002. ISBN 1-9039-9602-3.
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Laš, Vladislav. Mechanika kompozitních materiálů. 2., přeprac. vyd. Plzeň : Západočeská univerzita, 2004.
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