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磁流体-泡沫金属减振器与单纯磁流体减振器相比具有适用于更宽频率范围振动的控制并且可提供较大可控阻尼力的特点。在磁流体-泡沫金属减振器的设计与制造中,其内部磁场分布规律是影响减振效果的一个重要因素。为了探讨其磁场分布规律及影响因素,利用ANSYS软件对该新型减振器的磁场进行有限元分析,结果表明,在新型减振器的活塞外圆柱表面开环槽可以提高阻尼通道内的磁场强度,且适当地增加所开环槽的数量可使阻尼通道内的磁场强度提高幅度增大。该研究结论对磁流体-泡沫金属减振器的设计与制造具有一定的参考价值。
Magnetofluid - Foam metal shock absorbers have the advantage of being suitable for vibration control over a wider frequency range and providing greater controllable damping force than purely magnetic fluid dampers. In the design and manufacture of magnetic fluid-foam metal absorber, the internal magnetic field distribution is an important factor that affects the damping effect. In order to investigate the magnetic field distribution and its influencing factors, the finite element analysis of the magnetic field of the new shock absorber was carried out by ANSYS software. The results show that the open ring groove on the outer surface of the piston of the new shock absorber can increase the magnetic field intensity , And appropriately increasing the number of open-loop grooves can increase the strength of the magnetic field in the damping channel. The conclusion of this research is of certain reference value to the design and manufacture of magnetic fluid-foam metal shock absorber.