, 1995 Ｓｃｈｗａｒｚ对称原理结合复应力函数的奇异性分析的方法，对于分析集中载荷问题有独特的优越性．本文利用这个方法研究了任意位置的集中弯矩作用下含共圆圆弧裂纹板的弯曲问题，获得了一般问题解答．给出一个实际重要情形的封闭形式解；最后求得了弯曲应力强度因子公式．本文公式的特殊情形 ...
蒋持平, 柳春图
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[<i>In vitro</i> mechanical testing and finite element analysis of a novel β-Titanium alloy pedicle screw-rod fixation system]. [PDF]
Nan Fang Yi Ke Da Xue Xue BaoLi J, Liu Y, Wang D, Li H, He X, Lu T.
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Zhongguo Xiu Fu Chong Jian Wai Ke Za Zhi, 2023 Chen Z +5 more
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Jianzhu Gangjiegou Jinzhan为研究不锈钢筋-圆不锈钢管海砂混凝土构件的受弯性能，文中建立了该类构件的有限元分析模型。基于有限元典型算例，分析了其纯弯全过程的受力机理。并对该类构件进行了参数分析，系统研究了混凝土强度、钢管屈服强度、纵筋屈服强度、钢管含钢率和纵筋配筋率对该类组合构件纯弯性能的影响规律。研究结果表明：内置纵筋显著提高了该构件的抗弯承载力；且组合构件的抗弯承载力随混凝土强度、钢管屈服强度、纵筋屈服强度、钢管含钢率和纵筋配筋率的增大而增大；该组合构件的抗弯刚度随混凝土强度、钢管含钢率和纵筋配筋率的增大而增大 ...
李德山 +4 more
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[Impact of lamina formation range on lumbar biomechanics in unilateral biportal endoscopic spine surgery: a finite element analysis for surgical optimization]. [PDF]
Zhongguo Xiu Fu Chong Jian Wai Ke Za ZhiJi S +10 more
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[Biomechanical analysis of miniplate fixation systems in restorative laminoplasty for spinal canal reconstruction]. [PDF]
Nan Fang Yi Ke Da Xue Xue Bao, 2023 Chen J +5 more
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, 2009 承载力一直是生态学研究的热点、难点和理论前沿。论述了承载力研究起源发展进化历程,绘制了承载力研究起源发展进化图,将承载力研究的发展分为起源奠基、应用探索和理论深化3个阶段,分阶段总结了承载力研究的主要特点、所涉及的学科领域以及争论的不同观点。承载力理论起源于人口统计学,种群生物学和应用生态学,在起源奠基阶段,承载力研究主要是以非人类生物种群增长规律研究为主,完成了一个科学概念或理论所必需的定义内涵、数学表达公式以及科学机理等等的积累;1953年至20世纪80年代中后期为承载力研究的探索争论阶段 ...
李文华, 王维, 刘孝富, 张林波
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[Interpretation of the 2025 Asian Federation of Osteoporosis Societies (AFOS) Clinical Consensus: Atypical femoral fractures in patients with osteoporosis]. [PDF]
Zhongguo Xiu Fu Chong Jian Wai Ke Za ZhiXie M, Kong Q.
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Three-dimensional finite element stress analysis of surface-mounted inlays in repairing pulp-penetrating non-carious cervical lesion of maxillary first premolar. [PDF]
Hua Xi Kou Qiang Yi Xue Za Zhi, 2023 Ma D, Qian J.
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[Initial exploration of the relationship between homeostatic occlusion and long-term dental implant stability]. [PDF]
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