Temat: elastyczne podparcie - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: Presentation of the properties of the supervised measuring system with flexible support of crankshafts in application terms
Autorzy:: Nozdrzykowski, K.
Kostrzewa, W.
Kałkowska, E.
Powiązania:: https://bibliotekanauki.pl/articles/27315950.pdf
Data publikacji:: 2018
Wydawca:: STE GROUP
Tematy:: system pomiarowy
ugięcia sprężyste
elastyczne podparcie
wały korbowe
projektowanie wspomagane komputerowo
measuring system
elastic deflections
elastic support
crankshafts
computer-aided design
Opis:: The article presents an original, innovative solution for an universal system for measurements of geometric deviations of large crankshafts with so-called flexible support of the measured object. The principles of selection of reaction forces realized by flexible supports enabling elimination of elastic deflections and elastic deformations of the shaft under the influence of own weight are discussed. Also presented are the properties of the Automation Studio programming environment and a visualization application for the control and management program of the measurement system developed on the basis of this programming environment.
Źródło:: New Trends in Production Engineering; 2018, 1, 1; 503-506
2545-2843
Pojawia się w:: New Trends in Production Engineering
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: Vibrations and stability of Bernoulli-Euler and Timoshenko beams on two-parameter elastic foundation
Autorzy:: Obara, P.
Powiązania:: https://bibliotekanauki.pl/articles/231310.pdf
Data publikacji:: 2014
Wydawca:: Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:: belka Bernoulliego-Eulera
belka Timoshenki
podparcie elastyczne
stabilność
drganie
Bernoulli-Euler beam
Timoshenko beam
elastic foundation
stability
vibration
Opis:: The vibration and stability analysis of uniform beams supported on two-parameter elastic foundation are performed. The second foundation parameter is a function of the total rotation of the beam. The effects of axial force, foundation stiffness parameters, transverse shear deformation and rotatory inertia are incorporated into the accurate vibration analysis. The work shows very important question of relationships between the parameters describing the beam vibration, the compressive force and the foundation parameters. For the free supported beam, the exact formulas for the natural vibration frequencies, the critical forces and the formula defining the relationship between the vibration frequency and the compressive forces are derived. For other conditions of the beam support conditional equations were received. These equations determine the dependence of the frequency of vibration of the compressive force for the assumed parameters of elastic foundation and the slenderness of the beam.
Źródło:: Archives of Civil Engineering; 2014, 60, 4; 421-440
1230-2945
Pojawia się w:: Archives of Civil Engineering
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 3.

Tytuł:: A hybrid procedure to identify the optimal stiffness coefficients of elastically restrained beams
Autorzy:: Silva, T.
Loja, M.
Maia, N.
Barbosa, J.
Powiązania:: https://bibliotekanauki.pl/articles/330867.pdf
Data publikacji:: 2015
Wydawca:: Uniwersytet Zielonogórski. Oficyna Wydawnicza
Tematy:: transverse vibration
Bernoulli-Euler beam
elastic support
torsional stiffness coefficient
differential evolution
Kriging predictor
drgania poprzeczne
belka Bernoulliego-Eulera
podparcie elastyczne
sztywność skrętna
ewolucja różnicowa
Opis:: The formulation of a bending vibration problem of an elastically restrained Bernoulli–Euler beam carrying a finite number of concentrated elements along its length is presented. In this study, the authors exploit the application of the differential evolution optimization technique to identify the torsional stiffness properties of the elastic supports of a Bernoulli–Euler beam. This hybrid strategy allows the determination of the natural frequencies and mode shapes of continuous beams, taking into account the effect of attached concentrated masses and rotational inertias, followed by a reconciliation step between the theoretical model results and the experimental ones. The proposed optimal identification of the elastic support parameters is computationally demanding if the exact eigenproblem solving is considered. Hence, the use of a Gaussian process regression as a meta-model is addressed. An experimental application is used in order to assess the accuracy of the estimated parameters throughout the comparison of the experimentally obtained natural frequency, from impact tests, and the correspondent computed eigenfrequency.
Źródło:: International Journal of Applied Mathematics and Computer Science; 2015, 25, 2; 245-257
1641-876X
2083-8492
Pojawia się w:: International Journal of Applied Mathematics and Computer Science
Dostawca treści:: Biblioteka Nauki

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