Czech

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Institute of Structural Mechanics (STM)

Student handle design of constructions, fundamentals in thermal evaluation of buildings. Design of building constructions with respect of thermal insulation requirements. Evaluation of thermal comfort and energy efficiency of buildings. Summary of basic requirements for buildings and their constructions from thermal, acoustic and visual comfort point of view. Introduction to solving basic equation of stress analysis and introduction to basics of fracture mechanics with respect to typical structural materials.

Structural mechanics, meaning of quantities stress and strain, modelling, finite element method.

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1. Introduction to mechanics of material, theory of materials failures and fracture mechanics. Linear elastic fracture mechanics – energy/stress approach.
2. Fracture parameters of material, fracture toughness, fracture energy, characteristic length. Methods for determination of fracture parameters, function of geometry.
3. Two-parameters fracture mechanics. Non-linear fracture behaviour, approximate non-linear models, resistance curves and surfaces.
4. Toughening processes quantification. Determination of brittleness number. Size effect theory.
5. Fractal dimension of crack and fracture surfaces.
6. Modelling of failure of concrete structures using finite element method. Constitutive equations for concrete and other quasi-brittle materials.
7. Strain localization problems. Crack band model, non-local continuum mechanics. Fictitious crack model. Models of fixed/rotated crack.
8. Software; application – modelling of experiments/structures.

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Aim of the course is introduction to mechanics of material, theory of materials failures and linear/nonlinear fracture mechanics. Students will be acquainted with fracture parameters of materials (e.g. fracture toughness, fracture energy, characteristic length) and with methods for determination of these parameters. Students will be orientating in size effect models. They will be able to model of failure of concrete structures using FE method using ATENA.

Extent and forms are specified by guarantor’s regulation updated for every academic year.

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