Národní úložiště šedé literatury Nalezeno 2 záznamů.  Hledání trvalo 0.01 vteřin. 
Numerical Analysis of Asymmetrical use of Actuators on a Membrane Structure
Kapolka, Lukáš ; Štulerová, Lenka
This paper is focused on the numerical analysis of an adaptive membrane structure, the model of which was created on the basis of experimental device in the lab. It was researched out the effect of asymmetric use of actuators on the membrane structure without structural loads. Results of the article describe the behaviour of numerical model. The results gained from numerical model will be compared in the future with the results measured out from the experimental device.
The Comparison of the Modal Analysis of a Membrane Structure
Štulerová, Lenka ; Kapolka, Lukáš ; Kmeť, Stanislav
This article deals with the comparison of the results of a natural oscillation. It is a membrane, which in one case represents a solitary, articulated structure, in the other case this structure is anchored to a steel frame. In general, boundary conditions are simplified in the calculations, but in dynamic specifically these approximations can negatively affect the results. Therefore, the first variant presents a simplified form and the second variant more accurately complements the real model. The observed characteristics are the basic dynamic parameters: natural frequency, natural period. The aim of this paper is to compare the influence of the secondary structure forming the support system on the overall stiffness, which can significantly contribute to the results of dynamic analyses.

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