Implementation of three-dimensional contact algorithm in numerical manifold method for the structural impact simulation

Research output: Contribution to journalArticleResearchpeer review

Authors

  • Qiumeng Ouyang
  • Xiaoying Zhuang
  • Timon Rabczuk
  • Youjun Ning
  • Ge Kang
  • Pengwan Chen

Research Organisations

External Research Organisations

  • Beijing Institute of Technology
  • Tongji University
  • Bauhaus-Universität Weimar
  • Southwest Petroleum University China
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Details

Original languageEnglish
Article number105040
Number of pages16
JournalInternational Journal of Impact Engineering
Volume193
Early online date10 Jul 2024
Publication statusPublished - Nov 2024

Abstract

Structural impact often accompanies large amounts of contacts and leads to complex mechanical phenomena. In solid mechanics, the numerical manifold method (NMM) is proposed to address problems featuring continuous-discontinuous transitions by utilizing a dual coverage system encompassing both mathematical and physical covers. In the present work, a penalty contact algorithm for 3DNMM based on cover-based contact theory is programmed and applied to impact mechanics problems. The accuracy of the developed contact algorithm is firstly calibrated through free-falling blocks and collision blocks. The influence of contact parameters on contact convergence is systematically studied, and three preliminary criteria for how to set contact parameters are provided. The effectiveness of the contact algorithm is verified by conserving system momentum during block collisions. Subsequently, the contact algorithm is applied to Taylor rod and car-streetlight impact simulation, further confirming its effectiveness in modeling high-speed collisions, large displacements, and large deformations of structures. By comparing the 3DNMM results with those from Abaqus, the contact algorithm developed here performs exceptionally well in solving collision problems and produces results consistent with commercial software. The research results in the present work verify the applicability and accuracy of the proposed contact algorithm in solving structural dynamic impact problems. The present work also provides guidance for contact parameter setting in impact problems.

Keywords

    3D-NMM, Contact algorithm, Contact cover, Impact problem, Numerical manifold method

ASJC Scopus subject areas

Cite this

Implementation of three-dimensional contact algorithm in numerical manifold method for the structural impact simulation. / Ouyang, Qiumeng; Zhuang, Xiaoying; Rabczuk, Timon et al.
In: International Journal of Impact Engineering, Vol. 193, 105040, 11.2024.

Research output: Contribution to journalArticleResearchpeer review

Ouyang Q, Zhuang X, Rabczuk T, Ning Y, Kang G, Chen P. Implementation of three-dimensional contact algorithm in numerical manifold method for the structural impact simulation. International Journal of Impact Engineering. 2024 Nov;193:105040. Epub 2024 Jul 10. doi: 10.1016/j.ijimpeng.2024.105040
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AU - Ning, Youjun

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