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Intelligent computing and simulation in seismic mitigation efficiency analysis for the variable friction coefficient RFPS structure system

  • S.I. : ATCI 2020
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Abstract

According to Lagrange’s equation, the governing equation for a base isolated structural system was presented, with a variable friction coefficient RFPS (the rolling friction pendulum system) bearing on arbitrary curves. Its solution was presented with software prepared from MATLAB language. Results show that the variable friction coefficient RFPS might result in complication of structural dynamic responses. It is noticed that seismic mitigation efficiency for the variable friction coefficient is close to that for the high friction coefficient, but with notable disadvantages to the lower friction coefficient. As RFPS slipper transits from the low- to the high-friction area, the structural system could exhibit noticeable whipping effect, which will amplify story accelerations. It is suggested that lower friction coefficient FPS bearings, instead of variable friction coefficient RFPS bearings, should be applied.

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Acknowledgements

The content of this paper is based on the 2020 Science and Technology Project of Hebei Province (20556104D) and 2019 Tangshan Science and Technology Research and Development Plan (19130229g).

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Authors and Affiliations

  1. College of Civil and Architectural Engineering, North China University of Science and Technology, Tangshan, 063009, Hebei, China

    Teng Fu, Wenhui Wang, Nan Ge, Xingguo Wang & Xinyuan Zhang

  2. Beijing University of Technology, Beijing, 100124, China

    Wenhui Wang

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  1. Teng Fu
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  2. Wenhui Wang
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  3. Nan Ge
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  4. Xingguo Wang
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  5. Xinyuan Zhang
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Correspondence to Wenhui Wang.

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Fu, T., Wang, W., Ge, N. et al. Intelligent computing and simulation in seismic mitigation efficiency analysis for the variable friction coefficient RFPS structure system. Neural Comput & Applic 33, 925–935 (2021). https://doi.org/10.1007/s00521-020-05290-y

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  • DOI: https://doi.org/10.1007/s00521-020-05290-y

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