Wszystkie pola: load characteristic - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: The control of stability of a column subjected to specific load
Autorzy:: Sokół, Krzysztof
Powiązania:: https://bibliotekanauki.pl/articles/122488.pdf
Data publikacji:: 2019
Wydawca:: Politechnika Częstochowska. Wydawnictwo Politechniki Częstochowskiej
Tematy:: vibration
vibration control
stability
piezoceramic
characteristic curve
kontrola stabilności
wibracja
kontrola wibracji
element piezoceramiczny
Opis:: In this paper the problem of vibration control of a multi-member column subjected to the specific load is investigated. The vibration control is realized with the use of the piezoceramic element in the form of a rod that is connected to the host structure by means of the pins strengthened by rotational springs. The Hamilton’s principle is used during formulation of the boundary problem. The results of the numerical simulations are focused on the correction of the characteristic curves shape at a different radius of the loading head.
Źródło:: Journal of Applied Mathematics and Computational Mechanics; 2019, 18, 4; 85-94
2299-9965
Pojawia się w:: Journal of Applied Mathematics and Computational Mechanics
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: Numerical modeling of transient flows in load pipes with complex geometry
Autorzy:: Ramoul, S.
Fourar, A.
Massouh, F.
Powiązania:: https://bibliotekanauki.pl/articles/122872.pdf
Data publikacji:: 2017
Wydawca:: Politechnika Częstochowska. Wydawnictwo Politechniki Częstochowskiej
Tematy:: numerical modeling
transient flow
water hammer
characteristic method
AFT impulse software
mechanika płynów
przepływ przejściowy
młot wodny
Opis:: Changes in the system flow of a fluid in a pipe often cause sudden pressure changes and give rise to so-called transient load flows. So, the study of the phenomenon of transient load flows aims to determine whether the pressure in the whole of a system is within the prescribed limits, following a perturbation of the flow. By defining the scope of a water hammer study, an examination is made of variations in velocity or flow and pressure resulting from poor operation of the hydraulic system, its normal operation and emergency operations. This paper introduces a numerical modeling of the phenomenon of transient flows in load pipes with variable geometries which presents a study of the average pressure and the average velocity of the transient flow in the pipe with quasi-steady term friction. The characteristic method is used to solve the governing equations of “Saint-Venant”. Thanks to the AFT Impulse industrial program, we have obtained very interesting and very practical numerical results to describe the phenomenon of transient flows in variable load pipes.
Źródło:: Journal of Applied Mathematics and Computational Mechanics; 2017, 16, 4; 67-78
2299-9965
Pojawia się w:: Journal of Applied Mathematics and Computational Mechanics
Dostawca treści:: Biblioteka Nauki

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