National Repository of Grey Literature 70 records found  beginprevious59 - 68next  jump to record: Search took 0.01 seconds. 
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.
Instability onset of rectangular prismatic beams in the wind flow
Pospíšil, Stanislav ; Fischer, Cyril ; Náprstek, Jiří
This paper describes a part of theoretical and experimental researchdealing with the problem of the aeroelastic instability onset ofslender rectangular beams in the air stream, modeled as twodegrees-of-freedom.
Interaction of a PVC-bearing with a bridge structure
Náprstek, Jiří ; Pirner, Miroš ; Fischer, Cyril
Long-term observation of bridges supported by bearings made of syntheticmaterials reveals a steady horizontal deformation increase of theseelements. This process can be very dangerous for the bridge as a whole.
Intensive vibration of a beam under rapidly moving system of forces
Frýba, Ladislav ; Fischer, Cyril
A beam subjected to a moving system of forces was solved bythe integral transformation method and the results areprovided in a compact form. The paper shows the effectof some parameters on the dynamic increments of deflectionsand the stress spectra.
A Comparison of Two Stochastic Methods for Solving the Random Response
Fischer, Cyril
The (time depended) correlation matrix of the response of a discretised system can be obtained using either integral spectral decomposition method or the correlation method. The both methods are extended for usetogether with the spline modulation function of excitation and compared.

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