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大型復(fù)雜機(jī)械節(jié)點(diǎn)導(dǎo)入建模及有限元分析
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    摘要:

    針對(duì)一般有限元軟件在大型復(fù)雜機(jī)構(gòu)建模和劃分網(wǎng)格方面的局限性，提出了節(jié)點(diǎn)導(dǎo)入有限元建模法。采用三維建模軟件建立節(jié)點(diǎn)布局圖，并提取源坐標(biāo)數(shù)據(jù)，結(jié)合有限元分析軟件建立有限元模型，同時(shí)完成網(wǎng)格劃分，并成功地將此建模方法應(yīng)用于大型振動(dòng)篩的建模與分析。結(jié)果表明，這種建模方法使計(jì)算和存儲(chǔ)大為簡便，可為設(shè)計(jì)人員提供設(shè)計(jì)參考。

    Abstract:

    Because of the limitation of the model and mesh in the FEA software, the method of the node leading-in was proposed. The layout figure was founded with the 3-D modeling software and the coordinate data were extracted, at the same time the data were imported into the FEA software. The FEA model and the mesh were also generated based on the imported data in the FEA software. This modeling method was used successfully in the FEA and the structure optimization of the vibrating screen. The calculation result showed that this modeling method made the calculation and memory simple and provided the reference for the designer.

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李朝峰,劉杰,毛居全,聞邦椿.大型復(fù)雜機(jī)械節(jié)點(diǎn)導(dǎo)入建模及有限元分析[J].農(nóng)業(yè)機(jī)械學(xué)報(bào),2007,38(8):124-127.[J]. Transactions of the Chinese Society for Agricultural Machinery,2007,38(8):124-127.

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