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龍眼力學(xué)特性的有限元分析
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廣東省自然科學(xué)基金資助項(xiàng)目（9151001002000005）;高等學(xué)校博士學(xué)科點(diǎn)專項(xiàng)科研基金資助項(xiàng)目（20094404120002）;廣東省人大議案課題（粵農(nóng)函\[2009\]1099）;華南農(nóng)業(yè)大學(xué)校長(zhǎng)基金資助項(xiàng)目（2009K007）


Finite Element Analysis on Mechanical Properties of Longan
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    摘要:

    根據(jù)龍眼的幾何尺寸和物理參數(shù),，用ANSYS軟件建立了龍眼的力學(xué)模型,。采用模型計(jì)算和試驗(yàn)測(cè)試相結(jié)合的方法，確定出龍眼果肉的彈性模量,。通過(guò)對(duì)壓縮載荷作用于龍眼蒂部和腰部的有限元分析,，得出壓縮載荷作用下龍眼內(nèi)部的應(yīng)力分布規(guī)律,，探明了最大拉應(yīng)力是龍眼宏觀破裂的主要原因。

    Abstract:

    Based on geometric shape and physics parameters of longan fruit, the mechanical model of single longan was established. The module of elasticity of longan flesh was determined by means of comparing the calculated results on the mechanical model with the experimental results. By finite element analysis on longan under the compressed load with the pedicel and middle, the stress distribution of inner longan was obtained. The results showed the maximal tensile stress was the main factor causing the macroscopic breakage form of longan skin.

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卿艷梅,李長(zhǎng)友,黃漢東,曹玉華.龍眼力學(xué)特性的有限元分析[J].農(nóng)業(yè)機(jī)械學(xué)報(bào),2011,42(6):143-147. Qing Yanmei, Li Changyou, Huang Handong, Cao Yuhua. Finite Element Analysis on Mechanical Properties of Longan[J]. Transactions of the Chinese Society for Agricultural Machinery,2011,42(6):143-147.

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