The effect of two-parameter of Pasternak foundations on the dynamics and stability of multi-span pipe conveying fluids | Zendy

Nan Wu | Zendy; Yuzhen Zhao | Zendy; Qing Guo | Zendy; Yongshou Liu | Zendy

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The effect of two-parameter of Pasternak foundations on the dynamics and stability of multi-span pipe conveying fluids

Author(s) -

Nan Wu,

Yuzhen Zhao,

Qing Guo,

Yongshou Liu

Publication year - 2014

Publication title -

advances in mechanical engineering

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.318

H-Index - 40

eISSN - 1687-8140

pISSN - 1687-8132

DOI - 10.1177/1687814020974530

Subject(s) - stiffness , span (engineering) , foundation (evidence) , timoshenko beam theory , structural engineering , stability (learning theory) , beam (structure) , bernoulli's principle , shear (geology) , dynamics (music) , engineering , materials science , physics , computer science , composite material , archaeology , machine learning , acoustics , history , aerospace engineering

In this paper, the dynamics and stability of multi-span pipe conveying fluid embedded in Pasternak foundation is studied. Based on Euler-Bernoulli beam theory, the dynamics of multi-span pipe conveying fluid embedded in two parameters Pasternak foundation is analyzed. The dynamic stiffness method (DSM) is used to solve the control equation. A seven span pipe is calculated. The affection of two parameters of Pasternak foundation is mainly studied. Along with increasing the elastic stiffness K and shear stiffness G, the frequency is also increasing.

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