|
|
Modelování a simulace složitých geotechnických problémů
Blaheta, Radim
This paper provides three examples of chalenging geotechnical problems which require application of mathematical modelling and use of efficient numerical methods and powerful parallel computers.These examples give a motivation and exploit methods developed within the project MSTEP:Modelling and Simulation of complex Technical Problems.
|
|
|
Matematický model podzemního úložiště jaderných odpadů
Kohut, Roman
The paper concerns the mathematical modelling of thermo-mechanical processes in nuclear waste repositories. The aim of the contribution is to show the experience with the computing of a large practical problem concerning the assessment of the influence of the distance between the deposition places to the thermo-elastic response of the rock massif.
|
|
|
Numerická ilustrace teoretických výsledků pro nelineární semikoercivní nosníkovou úlohu
Sysala, Stanislav
The semi-coercive problem of a beam on a unilateral elastic subsoil of Winkler's type is considered. The aim of this contribution is numerically illustrate some basic results of the problem, which are summarised in the contribution. Concretely, we are interested in dependence of the problem solution on an external load, the error estimates of approximated solutions and the convergence properties of used numerical methods subject to the load.
|
|
| |
|
|
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.
|
|
|
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.
|
|
| |
|
| |
|
|
25 let vědeckých výpočtů na Ústavu geoniky
Jakl, Ondřej
The paper summarizes the role of computers in the twenty five years since the establishment of the Institute of Geonics Cz.Acad.Sci. It recalls the importance of computer systems and computer science in general, especially for mathematical modelling, one of the most important research fields of the institute. In the course of time computers, networks and Internet are unavoidable for each of the fields of study of the institute. The contribution surveys the main stages in this development, from the point of view of demanding computations in particular, and mentions various computers and hardware characteristic for each stage.
|
|
| |
guest ::
