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Discrete Dynamical Model of Multi-stage Twist Superconducting Cable and Prediction of Its Multilayer Stress-Strain Relationship

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Book cover Proceedings of the 7th International Conference on Discrete Element Methods (DEM 2016)

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Abstract

Superconducting cable is the key function part of the ITER (International Thermonuclear Experimental Reactor), and exhibits a typical geometrical multi-scale feature. Based on a modified discrete element method , the multi-layer discrete dynamic models that span in 104–105 orders of magnitude that from a spiral superconducting filament to the multi-stage twist cable are established by stepwise twisting process firstly, and their mechanics response under the external load can be successfully predicted by introducing the flexible authorization nonlinear multiple contact models and considering the friction among multi-continuum reasonably. This bottom-up modeling process also presents a useful approach to predict the mechanical properties of continuous complex twist structures with strong nonlinear and partial discrete features.

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Authors and Affiliations

  1. Xidian University, Xi’an, 710071, China

    X. J. Zheng

  2. Lanzhou University, Lanzhou, 730000, China

    S. M. Jia & D. M. Wang

Authors
  1. X. J. Zheng
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  2. S. M. Jia
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  3. D. M. Wang
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Corresponding author

Correspondence to X. J. Zheng .

Editor information

Editors and Affiliations

  1. Dalian University of Technology, Department of Engineering Mechanics Dalian University of Technology, Dalian, Liaoning, China

    Xikui Li

  2. Swansea University, College of Engineering Swansea University, Swansea, United Kingdom

    Yuntian Feng

  3. Colorado School of Mines, Department of Mechanical Engineering Colorado School of Mines, Golden, Colorado, USA

    Graham Mustoe

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Zheng, X.J., Jia, S.M., Wang, D.M. (2017). Discrete Dynamical Model of Multi-stage Twist Superconducting Cable and Prediction of Its Multilayer Stress-Strain Relationship. In: Li, X., Feng, Y., Mustoe, G. (eds) Proceedings of the 7th International Conference on Discrete Element Methods. DEM 2016. Springer Proceedings in Physics, vol 188. Springer, Singapore. https://doi.org/10.1007/978-981-10-1926-5_3

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  • DOI: https://doi.org/10.1007/978-981-10-1926-5_3

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  • Publisher Name: Springer, Singapore

  • Print ISBN: 978-981-10-1925-8

  • Online ISBN: 978-981-10-1926-5

  • eBook Packages: Physics and AstronomyPhysics and Astronomy (R0)

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