National Repository of Grey Literature 5 records found  Search took 0.01 seconds. 
Pasivní dynamické pohlcovače kmitů – porovnání různých typů
Fischer, Ondřej
The papers compares the effect of pendulum, ball and liquid absorbers and assesses the advantages of each of them.
Bezmaticová formulace stochastické Newmarkovy metody
Fischer, Cyril
A response of an arbitrary discretized system to the random movement has been solved in probabilistic terms. The excitation has been defined as a combination of the time modulated band limited stationary random processes approximating the evolutionary power spectra of a true seismic record. The solution is based either on the modified version of the stochastic Newmark method or on the spectral differential decomposition of the excitation. Special attention has been paid to the applicability of the methods to the sparse problems, especially to their matrix-free formulation.
Vaveletový rozklad nestacionárního náhodného signálu
Fischer, Cyril ; Náprstek, Jiří
The paper provides a support for the wavelet based approach for the analysis of the MDOF systems subjected to non-stationary excitation. It tries to cover the lack of input data in the form of the wavelet decomposition of seismic records.
Interpretation of effective value of non-stationary building vibration
Fischer, Cyril ; Pospíšil, Stanislav
The presented article treats the case when a non-stationary vibrations are analyzed and the characteristic values of processes ares ascertained.

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