文章摘要
王丽丽,赵冬菁,仲晨.MapleSim在振动仿真中的应用[J].包装工程,2018,39(17):24-30.
WANG Li-li,ZHAO Dong-jing,ZHONG Chen.Application of MapleSim in Vibration Simulation[J].Packaging Engineering,2018,39(17):24-30.
MapleSim在振动仿真中的应用
Application of MapleSim in Vibration Simulation
投稿时间:2018-02-25  修订日期:2018-09-10
DOI:10.19554/j.cnki.1001-3563.2018.17.005
中文关键词: 振动  仿真  运输包装  MapleSim
英文关键词: vibration  simulation  transportation package  MapleSim
基金项目:曲阜师范大学校级科研项目(xkj201501)
作者单位
王丽丽 曲阜师范大学日照 276826 
赵冬菁 曲阜师范大学日照 276826 
仲晨 曲阜师范大学日照 276826 
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中文摘要:
      目的 利用MapleSim软件,探究数值-符号仿真应用于包装振动领域的可行性。方法 首先,根据单自由度振动模型构建并验证理论状态下的单层负载振动模型;在此基础上提出可应用于随机振动的仿真模型,进一步研究仿真关键参数的计算方法;最后进行随机振动试验,将试验与仿真结果进行对比与分析。结果 PSD分析表明,不论中间还是角落位置,仿真PSD与实验PSD的变化趋势一致,但仿真PSD在低频(10~40 Hz)下会产生一定的误差,该误差对于角落振动的情况更为显著;Grms值的对比表明仿真误差小于10%。结论 基于MapleSim的数值-符号仿真模型能够反映真实振动,该方法应用于随机振动具有可行性及可信度,但文中方法尚存在仿真误差,需进一步优化仿真关键参数的计算方法。
英文摘要:
      The work aims to explore the feasibility of numerical-symbol simulation applied in packaging vibration field with the MapleSim software. First, based on the vibration model with the single degree of freedom, a single layer load vibration model was theoretically built and verified. On this basis, a simulation model that could be applied in random vibration was proposed. Furthermore, the calculating method of the simulated key parameters was studied. Finally, the random vibration test was carried out to compare and analyze the experimental and simulation results. PSD analysis showed that the change tendency of simulation PSD and experimental PSD was consistent whether they were in the middle or at the corners. However, the simulation PSD would have some error at low frequency (10~40 Hz), which was more significant for the corner vibration case. Moreover, the Grms value comparison showed that the simulation error was smaller than 10%. The numerical-symbol simulation model based on MapleSim can reflect the real vibration. This simulation method is feasible and reliable for random vibration. The calculating method of the simulated key parameters should be further studied because the proposed method causes some simulation error.
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