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[The influence of articular surface conformity on the biomechanics of rotating hinge knee prostheses]. [PDF]

open access: yesSheng Wu Yi Xue Gong Cheng Xue Za Zhi
Li Y   +5 more
europepmc   +1 more source

[Impact of lamina formation range on lumbar biomechanics in unilateral biportal endoscopic spine surgery: a finite element analysis for surgical optimization]. [PDF]

open access: yesZhongguo Xiu Fu Chong Jian Wai Ke Za Zhi
Ji S   +10 more
europepmc   +1 more source

地埋电缆群实时动态载流能力快速评估方法

open access: yesGaoya dianqi
准确、快速计算应急负荷和转供负荷工况下地埋电力电缆群暂态缆芯温升对于提高电力电缆动态载流能力精细化管理水平具有重要的意义。首先利用有限元稳态分析获得转移矩阵,利用有限元暂态分析获得单根加热电缆下的自热暂态温升数据和其余电缆的互热暂态温升数据;然后构建了复合暂态热路模型,加载电缆的自热热路模型由二支路热阻—热容组成,邻近电缆的互热热路模型由一支路热阻—热容组成,给出了复合暂态热路模型的龙格库塔法求解方法;最后以有限元计算结果为基准,利用遗传算法优化求解复合热路模型的热阻和热容参数。针对具体实例 ...
司文荣   +3 more
doaj  

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