木材干燥应力应变超微观模型的构筑

doi:10.11707/j.1001-7488.20050435

Scientia Silvae Sinicae ›› 2005, Vol. 41 ›› Issue (4): 204-209.doi: 10.11707/j.1001-7488.20050435

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The Development of Ultrastructural Model on Wood Drying Stress-Strain

Wang Ximing,Yu Jianfang,Su Jinmei,Li Ruiying

Inner Mongolia Agricultural University Huhhot010019

Received:2003-06-10 Revised:1900-01-01 Online:2005-07-25 Published:2005-07-25

Abstract

Abstract:

This paper had developed a theoretical mathematics model of wood drying stress-strain using mathematical and physical theories and taking moisture content (MC) and microfibril angle (MFA) into consideration as explicit parameters,predicted the development of stress-strain using MATLAB software,and analyzed the effect of MC and MFA. The results showed: on the condition of making the basic parameters set,the charts plotted by MATLAB software reflected the effect of MC and MFA. Tangential and longitudinal strain changed linearly with MC. The model could be applied to analysis the development of stress_strain in drying from ultrastructural level.

Key words: stress, strain, model, moisture content, microfibril angle

Wang Ximing;Yu Jianfang;Su Jinmei;Li Ruiying. The Development of Ultrastructural Model on Wood Drying Stress-Strain[J]. Scientia Silvae Sinicae, 2005, 41(4): 204-209.

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The Development of Ultrastructural Model on Wood Drying Stress-Strain

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