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Počítačová implementace mikro MKP
Blaheta, Radim ; Krečmer, Karel
This paper concerns a special application of the finite element method (FEM), which is modelling of microstructure of materials. This “micro” application of FEM brings some specific features, which can be exploited in the numerical realization and computer implementation of the method. These features are briefly discussed in this paper and will be further developed in a future work.
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Změny horninového masívu v blízkosti okraje poklesové kotliny
Doležalová, Hana
Repeated geodetic and geophysical surveying near the margin of a creating subsidence depression has shown on a fluctuation of heights of levelled points and on significant rock massif changes. The possible cause of these changes may be found not only in progressive stress-deformational changes due to undermining but also in the changing regime of the groundwater. Confrontation of the levelled height changes with the height of the groundwater level shows that the regime of the groundwater may be a substantial cause of surface height changes. Also the resistivity anomalies found by geophysical measurements can be caused by change of hydro-geological regime.
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Algoritmy pro semikoercivní úlohu s nosníkem na jednostranně pružném podloží
Sysala, Stanislav
In this article, so-called "projected" and "non-projected" algorithms for semi-coercive beam problem with a unilateral elastic subsoil of Winkler's type are presented. These algorithms are based on the minimisation of the energy functional for the considered problem. In each the iteration step of the algorithms, the linear problem with bilateral elastic springs is solved. The convergence properties of the algorithms are summarised and demonstrated on numerical examples.
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Settlement development of the Czech Republic border regions from 1930 to 1950
Dvořák, Petr
The article describes population and settlement development of Czech border regions between 1930 and 1950. The study deals with the evaluation of the process of settlement desertion after 2 nd World War, especially after the expulsion of the German population from the Czech Republic. After we analysed about 250 settlement units which were perished in these two decades, we formulate main factors of settlement desertion process.
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Problematics abandoned and old mining works in relation to possibilities of stability solution on Jeroným mine example
Kukutsch, Radovan
This paper appears from dissertation work themed „Problems of selected technical and economical aspects of mines technical liquidation in ore and coal mining conditions". Arcticle deals with aspects of old and abandoned mining works, which in the long term represent a controversial issue of mines technical liquidation process. The Jeronym Mine was selected as a sample locality of old and abandoned mine, on which the author presents and interprets the survey approaches and discusses the future and problems related to accesing of this unique mining work.
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Entry to metodology of research of diversity and function of ecotone associations on model forest edges
Halas, Petr
The aim of this article is to summarize some of the new information about function and biodiversity of ecotonal societes, especially societes of forest edges. Use of a few methods for analysing gradients of ecological factors and plant diversity changes is showed on examples of two transects from non-forest to forest vegetation in Stredomoravske Karpaty Hills. The method mentioned above seems to be a good device to understand the function of plant societes on ecological boundaries.
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