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首页> 外文期刊>Mathematical Problems in Engineering >Simulation Study on the Motion of Magnetic Particles in Silicone Rubber-Based Magnetorheological Elastomers
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Simulation Study on the Motion of Magnetic Particles in Silicone Rubber-Based Magnetorheological Elastomers

机译：硅橡胶基磁流变磁体弹性体磁性颗粒运动的仿真研究

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摘要

Magnetorheological elastomer (MRE) is an intelligent composite material and has been widely used in various fields such as vibration reduction and sensing. MRE has an excellent magnetorheological effect through the chaining of its internal magnetic particles. Current studies on MREs mainly focus on the preparation of materials and characterization of mechanical properties. However, very few studies have been conducted on the mechanism of magnetic particle motion during MRE curing. Based on the silicone rubber-based MRE, the motion mechanism of magnetic particles during curing was explored through numerical simulation. First, we analyzed the magnetic force and viscous force of magnetic particles in MRE and discussed the equations of motion of magnetic particles under applied magnetic field. Further, we established a uniform magnetic field model through the finite element method and simulated the motion of two magnetic particles under the magnetic field. Finally, we discussed the effects of particle distribution angles, particle radii, applied magnetic field strength, and distance between particles on particle velocity and displacement. The results show that the distance between particles has the greatest influence on the motion of magnetic particles, and the size of the distance between particles will affect the contact time of the particles, thus affecting the chain formation of magnetic particles in the MRE.
机译：磁流变弹性体（MRE）是智能复合材料，已广泛用于各种领域，例如振动减小和感测。通过链接其内部磁性颗粒，MRE具有出色的磁流变效果。我对MRE的目前的研究主要关注制备材料的制备和机械性能的表征。然而，在MRE固化期间磁性粒子运动的机制进行了很​​少的研究。基于硅橡胶基MRE，通过数值模拟探讨了固化过程中磁性颗粒的运动机理。首先，我们分析了MRE中磁性颗粒的磁力和粘性力，并讨论了应用磁场下磁性粒子的运动方程。此外，我们通过有限元方法建立了均匀的磁场模型，并模拟了磁场下的两个磁性颗粒的运动。最后，我们讨论了粒子分布角，粒子半径，施加磁场强度和颗粒之间的距离对粒子速度和位移的影响。结果表明，颗粒之间的距离对磁性颗粒的运动有最大的影响，并且颗粒之间的距离的尺寸将影响颗粒的接触时间，从而影响MRE中的磁性颗粒的链形成。

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  • 来源
    《Mathematical Problems in Engineering》 |2019年第16期|8182651.1-8182651.11|共11页
  • 作者

    Xu Zhiqiang; Wu Heng; Wang Qiuliang; Yi Liyin; Wang Jun;

  • 作者单位

    Xiangtan Univ Sch Mech Engn Xiangtan Peoples R China|Xiangtan Univ Engn Res Ctr Complex Tracks Proc Technol & Equipm Minist Educ Xiangtan Peoples R China;

    Xiangtan Univ Sch Mech Engn Xiangtan Peoples R China;

    Xiangtan Univ Sch Mech Engn Xiangtan Peoples R China;

    Xiangtan Univ Sch Mech Engn Xiangtan Peoples R China;

    Xiangtan Univ Sch Mech Engn Xiangtan Peoples R China;

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