National Repository of Grey Literature 223 records found  1 - 10nextend  jump to record: Search took 0.00 seconds. 
Mathematical models of linear and nonlinear oscillators
Lovas, David ; Opluštil, Zdeněk (referee) ; Čermák, Jan (advisor)
This bachelor thesis deals with mathematical models of linear mechanical oscillators, which represent one of basic applications of ordinary differential equations. There are explained harmonic oscillators, damped oscillators and driven oscillators. The thesis discusses also superposition of oscillators and coupling of oscillators, including their synchronization.
Stability and chaos in nonlinear dynamical systems
Khůlová, Jitka ; Tomášek, Petr (referee) ; Čermák, Jan (advisor)
Diplomová práce pojednává o teorii chaotických dynamických systémů, speciálně se pak zabývá Rösslerovým systémem. Kromě standardních výpočtů spojených s bifurkační analýzou se práce zaměřuje na problém stabilizace, konkrétně na stabilizaci rovnovážných bodů. Ke stabilizaci je využita základní metoda zpětnovazebního řízení s časovým zpožděním. Významnou část práce tvoří zavedení a implementace obecné metody pro hledání vhodné volby parametrů vedoucí k úspěšné stabiliaci. Dalším diskutovaným tématem je možnost synchronizace dvou Rösslerových systémů pomocí různých synchronizačních schémat.
The issue of heat treated waste and optimization of properties for their use in construction
Čermák, Jan ; Mareček,, Jan (referee) ; Žižková, Nikol (referee) ; Kohoutková,, Alena (referee) ; Šťastník, Stanislav (advisor)
Given the increasing consumption of plastic materials their reuse becomes a very topical issue. Recycling the single-cleaned plastic waste is simple, these products can be used as raw material or additive in the manufacture of new products. The problem remains the energy, economic and environmental demands in sorting, cleaning and eventual regranulation of waste to a suitable feedstock. This problem can be solved using technology that is able to handle multiple-type waste thermoplastics in further useful products.
Development of strong adjectives in Early Middle English
Martin, Robert ; Tichý, Ondřej (advisor) ; Čermák, Jan (referee)
This bachelor's thesis is concerned with the systemic change affecting the endings of adjectives as corresponding to the Old English strong and weak adjectival forms, which took places largely during the first half of the Middle English period. The analysis contained therein was executed using the PPCME2, from which adjectives ending in two types of consonant clusters were selected based on their possible lack of participation in the emerging orographic system that, to this day, uses the final -e diacritically to indicate qualities of the root vowel without it's having the value of the vowel wherein the opposition between the two types of adjectives lay. This analysis took into consideration other factors, phonological and orthographical, but also casal, as well as presence of various determiners. The analysis underway, a surprising tendency was observed in the examined material: to extend the strong/weak opposition to adjectives in the dative case, and that during the first quarter of the period. Analysis of phonological factors confirmed that this phenomenon must have been morphological in nature. Strong as this tendency may seem, it didn't last, and materials for the later periods reflect the disappearance of the dative endings altogether. For the direct case, the analysis confirmed the...
Native lexical innovations in Middle English (1200-1500): a word-formation perspective
Růžičková, Eliška ; Čermák, Jan (advisor) ; Popelíková, Jiřina (referee)
This thesis examines suffixation in Middle English in the periods 1200-1299 and 1300-1399. More specifically, the work is focussed on nominal coinages of native origin only, formed with the suffixes -ness, -head / -hood, -ship and -dom, where the aim is to observe their productivity in time. In the theoretical part, we explore the contribution of external (socio-political) and internal (typological and word-formational) factors to changes in the English language, including word-formation processes. Our hypothesis is that suffixation as a word-formation process will continue strongly, despite the ongoing language-internal changes and the overwhelming influx of foreign words. Data for this research was collected from The Oxford English Dictionary (OED) through Advance Search. The data retrieved for each suffix was considered from a morphological, structural and lexico-semantic perspective. The analyses were performed to detect changes in the behaviour of each suffix and to discover the realities attesting their productivity. Moreover, the analyses uncovered additional phenomena: types that had only one quotation (hapaxes) and competition occurring between the selected suffixes. The hapaxes were also investigated for their morphological, structural and semantic features so as to identify any common...
Apartment building Sadová
Čermák, Jan ; Janda, Lukáš (referee) ; Brzoň, Roman (advisor)
The subject of the Bachelor's thesis is an elaboration of documentation for construction of an apartment house in Brno, district of Brno-Sadová. This is a detached building on a slightly sloping ground with three floors above ground and one underground floor with 10 residential units. The basement floor is designed from forged blocks a lost shuttering. Ground floor consists of a design system of ceramic bricks. Ceiling construction are monolithic reinforced concrete and building roofing is solved by warm flat roof
Old English prose adjectives meaning "holy": towards a characterization of a lexical field
Fúsik, Ondřej ; Čermák, Jan (advisor) ; Tichý, Ondřej (referee)
The work attempts to contribute to mapping of the lexical field of HOLINESS in Old English prosaic texts. The lexical field in this work is represented by four adjectives (halig, gebletsod, gesælig, gehalgod) which are chosen from the Thesaurus of Old English from which one - halig is chosen to be analysed in this work. The mapping of this adjective is conducted in the York-Helsinki Parsed Corpus of Old English Prose by identifying morphological and syntactical categories of the adjective (predicative, attributive; both pre-positive and post-positive functions) as well as by the collocational sets (conceptual fields). The results then show the ways in which the adjective differs in named categories in relations to its collocational set. The work is also interdisciplinary as the interpretation of the collocational sets is based both on philological as well as theological bases due to the fact that halig mainly appears in religious texts.
Errors in the usage of article in advanced EFL learners with Spanish as L1
Hubáčková, Iva ; Gráf, Tomáš (advisor) ; Čermák, Jan (referee)
The aim of this thesis is to find out in which contexts advanced EFL learners with Spanish as L1 tend to use articles incorrectly, and to what extent these errors can be ascribed to L1 transfer. For this purpose, a selection of 30 speakers from the Spanish part of the spoken learner corpus LINDSEI was examined. The errors were tagged using a modified version of the Louvain error- tagging manual. They were then classified according to the article forms and the types of reference. Lastly, the excerpts were compared with their Spanish counterparts. The research revealed that the most-error prone area is non-referring uses of the indefinite article. However, the majority of these errors were caused by factors, other than L1-transfer. In fact, the fact that there were few errors in expressing definiteness suggests that the positive role of transfer prevails. Also, the number of "transfer errors" in individual speakers' performances was not always proportional to the total number of errors. And last but not least, in many cases, the role of transfer is questionable as in Spanish, there are cases where more than one form is considered correct. The findings of this thesis should thus serve as starting point for further research, which would provide answer to questions this study could not answer. Key...
Simulation of point contact lubrication by finite element method
Hrdonka, Štěpán ; Čermák, Jan (referee) ; Šperka, Petr (advisor)
This diploma thesis is concerned with simulation of elastohydrodynamic lubrication of point contacts using the finite element method. The first part of the thesis focuses on the study of the issue and introduces equations for model creation and numerical methods which can be used for EHD calculation. The most suitable solution approach has been chosen from the overview, namely the Full system approach. The software we chose for applying the method was COMSOL Multyphysics. The following part of the thesis deals with model’s creation and gives its elaborate description. We introduce models for calculation of line and point EHD lubrication for newtonian lubricants and, last but not least, we also present a model for calculation of point contact EHD lubrication for non-newtonian lubricants. The next part of the thesis then verifies all the models. That is achieved by comparing the calculated results to results from different papers. The conclusive part of the thesis then examines the matches of acquired results to different prediction relationships and experiments.

National Repository of Grey Literature : 223 records found   1 - 10nextend  jump to record:
See also: similar author names
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