Contribution to random vibration numerical simulation and optimisation of nonlinear mechanical systems

• Autorzy: Sága Milan , Vaško Milan , Handrik Marian , Kopas Peter

Identyfikatory

DOI

10.20858/sjsutst.2019.103.11

• Języki publikacji: EN

Abstrakty

EN

This study considered the solution of the stochastic vibration of non-linear mechanical systems with Gaussian random excitations. It realised a short review of linearisations techniques in stochastic dynamics mainly with application in the area of truss finite element modelling. The presented method of statistical linearisation is applied to numerical testing. In the second part of the article, the sensitivity analysis of the first two stress statistical moments and structural weight minimising subjected to the random stress constrains presented by mean value and standard deviation was brought to the fore. Cross-sectional areas were used as optimising parameters.

Słowa kluczowe

EN

statistical linearization; sensitivity analysis; structural optimisation

PL

linearyzacja statystyczna; analiza wrażliwości; optymalizacja strukturalna

• Wydawca: Wydawnictwo Politechniki Śląskiej
• Czasopismo: Zeszyty Naukowe. Transport / Politechnika Śląska
• Rocznik: 2019
• Tom: z. 103
• Strony: 143--154
• Opis fizyczny: Bibliogr. 27 poz.

Twórcy

autor

Sága Milan

• Faculty of Mechanical Engineering, University of Žilina, Univerzitná 1, 010 26 Žilina, Slovakia

autor

Vaško Milan

• Faculty of Mechanical Engineering, University of Žilina, Univerzitná 1, 010 26 Žilina, Slovakia

autor

Handrik Marian

• Faculty of Mechanical Engineering, University of Žilina, Univerzitná 1, 010 26 Žilina, Slovakia

autor

Kopas Peter

• Faculty of Mechanical Engineering, University of Žilina, Univerzitná 1, 010 26 Žilina, Slovakia

Bibliografia

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Uwagi

PL

Opracowanie rekordu ze środków MNiSW, umowa Nr 461252 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2020).