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粘彈性懸架阻尼緩沖件溫度場(chǎng)特
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of Temperature Field on Damping Buffers for Viscoelastic Suspensions
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    摘要:

    對(duì)履帶式車輛典型工況下的粘彈性懸架阻尼緩沖件的溫度場(chǎng)進(jìn)行分析。不考慮材料參數(shù)的溫度相關(guān)性,，對(duì)結(jié)構(gòu)-溫度的耦合場(chǎng)進(jìn)行單向解耦,；將結(jié)構(gòu)分析的結(jié)果作為溫度分析的條件,，同時(shí)對(duì)溫度模型施加邊界條件,。橡膠受載時(shí)為非線性大變形,，使用有限元方法獲得數(shù)值解,。求解得到典型工況下局部過熱點(diǎn)的位置和溫度值,，得到溫度與影響因素的關(guān)系曲線,，并進(jìn)行公式擬合,。分析結(jié)果可為粘彈性懸架阻尼緩沖件的結(jié)構(gòu)優(yōu)化提供參數(shù)。

    Abstract:

    The temperature field of damping buffers for viscoelastic suspensions mounted on crawler vehicles was analyzed under typical working conditions. The temperature correlation of the material was ignored to decouple the structure-thermal coupling field. The analytical results of structure were used as the basic conditions for thermal analysis. Because of nonlinear and large deformation under load, the temperature field was calculated by finite element method (FEM). The positions of local hot spots and temperatures under typical loads were obtained by computation. The curves of temperature against factors and its fitting equation on engineering applications were also determined. The results provide reasonable parameters for damping buffers structure optimizing.

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賈志絢,王軍,孫大剛,宋勇.粘彈性懸架阻尼緩沖件溫度場(chǎng)特[J].農(nóng)業(yè)機(jī)械學(xué)報(bào),2010,41(3):25-28. of Temperature Field on Damping Buffers for Viscoelastic Suspensions[J]. Transactions of the Chinese Society for Agricultural Machinery,2010,41(3):25-28.

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