Transactions of the Chinese Society for Agricultural Machinery 1000-1298 2014 45 1 1 7 10.6041/j.issn.1000-1298.2014.01.001 article Multi-field Coupling Simulation Analysis of MR Damper 研究了磁流變減振器電磁-流和流-固耦合的建模方法及求解方法?；陔姶?流和流-固耦合有限元方法，利用Adina軟件建立高精度的流-電磁有限元網(wǎng)格模型和固體有限元網(wǎng)格模型，并在A(yíng)dina軟件后處理中進(jìn)行求解分析，分別得到了磁流變減振器非控狀態(tài)和通電狀態(tài)的阻尼力-速度特性、示功特性、磁場(chǎng)分布特性、核心區(qū)域流場(chǎng)壓力場(chǎng)和速度場(chǎng)特性。仿真結(jié)果表明：在高速磁流變液的沖擊下，核心區(qū)域流場(chǎng)壓力場(chǎng)變化明顯；根據(jù)磁場(chǎng)分布特性，說(shuō)明設(shè)計(jì)的單筒磁流變減振器結(jié)構(gòu)能增大阻尼力調(diào)節(jié)范圍。在電磁-流和流-固耦合計(jì)算中考慮了流體湍流流動(dòng)，盡量使仿真模型與物理模型保持一致，試驗(yàn)結(jié)果與仿真結(jié)果吻合較好。 The electromagnetism(EM)-fluid and fluid-structure interaction (FSI) modeling and solving method of shock absorber were studied. Adina software was used to establish accurate structure finite element mesh model and the finite element mesh model of EM-flow field based on EM-fluid and FSI method. Post-processing module of adina software was used for solving analysis. The velocity characteristics, indicator diagram, magnetic field distribution characteristics, core area fluid pressure field and velocity field characteristics of shock absorbers were obtained under the state of MR damper non-controlling and energized condition. The results show that under the high-speed impact of the shock absorber MR fluid and the core area fluid pressure field are changed significantly. According to the magnetic field distribution characteristics, self-designed mono tube MR damper structure can enlarge damping force adjustment range. The EM-CFD and FSI model is closed to the physical reality because of the consideration of turbulent flow of MR fluid; so the simulation results are in good agreement with the experimental results. 磁流變減振器 多場(chǎng)耦合 有限元分析 MRD Multi-field coupling Finite element analysis 于振環(huán),劉順安,張娜,李萬(wàn)林 Yu Zhenhuan,Liu Shunan,Zhang Na and Li Wanlin jcsam/article/abstract/20140101