指接材端压有限元的模拟分析 |
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引用本文: | 何盛,林兰英,傅峰,曹平祥.指接材端压有限元的模拟分析[J].南京林业大学学报(自然科学版),2014,57(2):16. |
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作者姓名: | 何盛 林兰英 傅峰 曹平祥 |
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作者单位: | 1. 中国林业科学研究院木材工业研究所,木质功能材料研究室,北京 100091;
2. 南京林业大学材料科学与工程学院,江苏 南京 210037 |
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基金项目: | 收稿日期:2013-05-09 修回日期:2013-12-06
基金项目:“十二五”国家科技支撑计划(2012BAD24B02)
第一作者:何盛,博士生。*通信作者:林兰英,助理研究员,博士。E-mail: linly@caf.ac.cn。
引文格式:何盛,林兰英,傅峰,等. 指接材端压有限元的模拟分析[J]. 南京林业大学学报:自然科学版,2014,38(2):16-20. |
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摘 要: | 为实现对指接材端压范围的预测,采用ANSYS有限元分析软件模拟分析了樟子松结构用指接材3种嵌合度条件下的指接端压范围。结果表明:当指榫嵌合度为0、0.1、0.3 mm时,模拟分析得出的樟子松结构用指接材指接端压范围分别为1.5~3.0 MPa、2.0~3.5 MPa和2.5~4.5 MPa。将实验测试结果与模拟分析结果对比发现,模拟分析得出的指接端压范围相对试验测试结果小,但可以用于预测樟子松结构用指接材最佳端压取值。模拟分析与实验测试结果均表明,樟子松结构用指接材端压最佳取值为3.5 MPa。
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Finite element analysis for end-pressure of finger-jointed lumber |
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Abstract: | By using the software of ANSYS for finite element analysis, the end-pressure range of Pinus sylvestris L. finger jointed lumber for structural use under three different fitness ratio were modeled. According to the modeling results, the end-pressure range were 1.5-3.0 MPa, 2.0-3.5 MPa and 2.5-4.5 MPa respectively when the fitness ratio are 0, 0.1 and 0.3 mm. Comparing the modeling results with the experimental results, it indicated that the end-pressure range from the modeling result was narrower than that of the experimental results. Therefore, the modeling can be used to predict the optimum end-pressure for finger jointed lumber, which showed that the optimal value of Pinus Sylvestris L. finger jointed lumber for structural was 3.5 MPa. |
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