A method for vehicle–track–soil interaction analysis considering soil deformation

• Autorzy: Li Zheng , Xu Lei , Wang Weidong

Identyfikatory

DOI

10.1007/s43452-022-00518-1

• Języki publikacji: EN

Abstrakty

EN

In this work, an engineering practical method is put forward to characterize the static and dynamic mapping relationship between soil deformation and its induced system performance. The main novelty lies in the achievement of mapping relationship analysis subject to arbitrary soil deformation-induced vehicle–track–soil (VTS) static geometric deformation and dynamic behavior. In this practical model, the increment and iteration methods are introduced and integrated into the static mapping analysis to solve the nonlinear interlayered contact and separation, and subsequently, to achieve dynamic mapping analysis under a VTS dynamics framework, besides, the Wavelet transform is applied to obtain the more distinct observation signal in the time domain. Apart from the discussion on the time domain, the analysis on the frequency domain is implemented in the numerical studies to further illustrate the influence of soil additional deformation from the dynamic mapping perspective. Moreover, the difference between the dynamic responses of the unit base plate and longitudinal connected base plate subject to different combination of wavelength and amplitude of soil deformation is analyzed.

Słowa kluczowe

EN

railway engineering; static and dynamic mapping relationship; interlayered elastic contact and separation; nonlinear numerical processing

PL

inżynieria kolejowa; mapowanie; przetwarzanie numeryczne

• Wydawca: Springer ; Wrocław University of Science and Technology
• Czasopismo: Archives of Civil and Mechanical Engineering
• Rocznik: 2022
• Tom: Vol. 22, no. 4
• Strony: art. no. e210, 2022
• Opis fizyczny: Bibliogr. 43 poz., rys., wykr.

Twórcy

autor

Li Zheng

• School of Civil Engineering, Central South University, Changsha 410074, Hunan, People’s Republic of China

autor

Xu Lei

• School of Civil Engineering, Central South University, Changsha 410074, Hunan, People’s Republic of China

autor

Wang Weidong

• School of Civil Engineering, Central South University, Changsha 410074, Hunan, People’s Republic of China

Bibliografia

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Uwagi

PL

Opracowanie rekordu ze środków MEiN, umowa nr SONP/SP/546092/2022 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2022-2023)