重庆交通大学学报（自然科学版） ›› 1985, Vol. 4 ›› Issue (4): 49-55.
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卓家寿
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Zhuo Jiashou
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Abstract: In this paper, the following problems are discussed:1) the reason of the coeftcient of internal energy (e. g. strain energy or strain complementary energy) being 1/2, and of external energy (e. g. potential or complementary energy of external loads) being 1;2) a correct view of the replacement of effective nodal loads; 3) a simple method of establishing ‘Sharp Function’; 4) the displacement model and the stress model.
卓家寿. 有限元中若干重要概念的探讨[J]. 重庆交通大学学报（自然科学版）, 1985, 4(4): 49-55.
Zhuo Jiashou. Studies on Several Important Concepts in FEM[J]. Journal of Chongqing Jiaotong University(Natural Science), 1985, 4(4): 49-55.
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