Abstract
Elasto-capillarity phenomena are prevalent in various industrial fields such as mechanical engineering, material science, aerospace, soft robotics, and biomedicine. In this study, two typical peeling processes of slender beams driven by the parallel magnetic field are investigated based on experimental and theoretical analysis. The first is the adhesion of two parallel beams, and the second is the self-folding of a long beam. In these two cases, the energy variation method on the elastica is used, and then, the governing equations and transversality boundary conditions are derived. It is shown that the analytical solutions are in excellent agreement with the experimental data. The effects of magnetic induction intensity, distance, and surface tension on the deflection curve and peeling length of the elastica are fully discussed. The results are instrumental in accurately regulating elasto-capillarity in structures and provide insights for the engineering design of programmable microstructures on surfaces, microsensors, and bionic robots.
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Acknowledgements
This work was supported by the National Natural Science Foundation of China (12372027 and 12211530028), the Natural Science Foundation of Shandong Province (ZR202011050038), and Special Funds for the Basic Scientific Research Expenses of Central Government Universities (2472022X03006A).
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GC contributed to writing—original draft, methodology, and visualization; ZX worked in supervision and software; SL helped in validation and investigation; YJ helped in conceptualization and supervision; and JL contributed to writing—review and editing, validation, and methodology.
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Cao, G., Xue, Z., Liu, S. et al. Peeling of Magneto-responsive Beams with Large Deformation Mediated by the Parallel Magnetic Field. Acta Mech. Solida Sin. (2024). https://doi.org/10.1007/s10338-024-00480-w
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DOI: https://doi.org/10.1007/s10338-024-00480-w