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RFT內(nèi)支撐三維結(jié)構(gòu)有限元靜力學分析與改進設計
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    摘要:

    利用AIP創(chuàng)建了基于標準輪輞和輪胎的零壓續(xù)跑輪胎內(nèi)支撐三維參數(shù)化模型和虛擬裝配體,考慮車輛速度、內(nèi)支撐材料、載荷和受力等因素,通過內(nèi)嵌于AIP的ANSYS技術(shù)模塊創(chuàng)建了內(nèi)支撐三維有限元模型,獲得了三維應力、變形和安全系數(shù),并根據(jù)分析結(jié)果改進了內(nèi)支撐結(jié)構(gòu)。對比分析改進前后內(nèi)支撐三維應力,結(jié)果表明改進后的內(nèi)支撐等效應力和最大主應力都小于材料屈服極限,安全系數(shù)提高,達到了預期的內(nèi)支撐安全性能。

    Abstract:

    Using Autodesk Inventor Professional (AIP) system, a three-dimensional parameterized model of insert and the virtual assemblage based on the standard rim and tire was established. The three-dimensional finite element analysis (FEA) of insert was performed through ANSYS technology embedded in AIP analysis types. During the FEA progress, vehicle velocity, insert material, loads and forces were defined and added on the insert. Subsequently, the three-dimensional FEA mesh was created, and stress, displacement, safety factor were obtained after finite element calculation. Finally, some modifications of insert configuration were carried out according to the analysis results. Through analysis of the new insert model, the results showed that the von-stress and the maximal principal stress were less than the yield limit of insert material, the safety factor was enhanced and the desired results was achieved, which could provide vehicle with enough safety performances. 

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楊欣,佟金,陳東輝,張書軍,陳秉聰. RFT內(nèi)支撐三維結(jié)構(gòu)有限元靜力學分析與改進設計[J].農(nóng)業(yè)機械學報,2008,39(3):10-13.[J]. Transactions of the Chinese Society for Agricultural Machinery,2008,39(3):10-13.

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