A numerical study of the shape stability of sawn timber subjected to moisture variation - Part 2: Simulation of drying board

被引：44

作者：

Ormarsson, S

Dahlblom, O

Petersson, H ^{[1
]}

机构：

[1] Chalmers Univ Technol, Dept Struct Mech, SE-41296 Gothenburg, Sweden

[2] Univ Lund, Lund Inst Technol, Div Struct Mech, SE-22100 Lund, Sweden

来源：

WOOD SCIENCE AND TECHNOLOGY | 1999年 / 33卷 / 05期

关键词：

Timber; Material Parameter; Constitutive Model; Parameter Study; Element Program;

D O I：

10.1007/s002260050126

中图分类号：

S7 [林业];

学科分类号：

0829 ; 0907 ;

摘要：

A theory for analysing the shape stability of sawn timber was implemented in a finite element program. To illustrate the types of results that can be obtained, the behaviour of a board during drying was simulated. The simulation yields information about unfavourable deformations and stresses during the drying process. To investigate factors that influence drying deformations, a parameter study was performed in which the influence of different constitutive models and different material parameters was studied. In addition, the influence of the spiral grain angle was examined.

引用

页码：407 / 423

页数：17

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