Mathematical modeling to predict drying deformation and stress due to the differential shrinkage within a tree disk

Wood Science and Technology

Volumn 36, Issue 6, 2002, Pages 463-476

  Kang, Wook ^a   Lee, Nam Ho ^a  

^a Chonbuk National University   (South Korea)

Author keywords

[No Author keywords available]

Indexed keywords

DEFORMATION; DRYING; LUMBER; MATHEMATICAL MODELS; SHRINKAGE; STRESS ANALYSIS;

TREE DISK;

WOOD;

LUMBER; MATHEMATICAL MODELS; SHRINKAGE; STRESS ANALYSIS; TREES; WOOD;

EID: 0036914369     PISSN: 00437719     EISSN: None     Source Type: Journal    
DOI: 10.1007/s00226-002-0153-5     Document Type: Article

References (20)

1. Archer R.R. (1986) Growth stresses and strains in trees. Page 240. Springer-Verlag.
2. Dahblom O., Ormarsson S., Petersson H. (1996) Prediction of deformations in wood drying by an extended two-dimensional formulation. 5th International IUFRO Wood Drying Conference. Quebec, Canada: pp. 69-76.
3. Dahblom O., Persson K., Petersson H., Ormarsson S. (1999) Investigation of variation of engineering properties of spruce. 6th International IUFRO Wood Drying Conference. Stellenbosch, South Africa: pp. 253-262.
4. Forest Products Laboratory (1999) Wood handbook-Wood as An Engineering Material. Gen. Tech. Rep. FPL-GTR-113. Madison, WI, U.S.A. Department of Agriculture, Forest Service, Forest Products Laboratory. Page 463.
5. Haygreen, J.G., Bower J.L. (1982) Forest Products and Wood Science: An Introduction. The Iowa State University Press, Ames, U.S.A. pp. 105-135.
6. Jung H.S., Lee N.H. (1999) Development of vacuum-press drying technology for structural softwood lumbers and woods for special goods. Seoul National University, Seoul, Republic of Korea. 141-173.
7. Kato H., Sadoh T., Matsui K., Kondo K., Nakato K. (1978) Shrinkage of crack-formation of cross-sectional tree-disks. Bulletin of the Kyoto Univ. 50:191-199.
8. Kubler H. (1975) Study on drying of tree cross sections, Wood Sci 7:173-181.
9. Lee N.H., Hayashi K., Jung H.S. (1998) Effect of radio-frequency/vacuum drying and mechanical press-drying on shrinkage and checking of walnut log cross sections. Forest Prod J 48:73-79.
10. Lee N.H., Hayashi K. (2000) Effect of end-covering and low pressure steam explosion treatment on drying rate and checking during radio-frequency/vacuum drying of Japanese cedar log cross sections. Forest Prod J 50:73-78.
11. Mårtensson A. (1992) Mechanical behavior of wood exposed to humidity variations. Report TVBK-1006. Lurid university.
12. Mårtensson A., Svensson S. (1997) Stress-strain relationship of drying wood. Holzforschung 51:472-478.
13. Ormarsson S., Dahlblom O., Petersson H. (1999) A numerical study of the shape stability of sawn timber subjected to moisture variation. Part 2: simulation of drying. Wood Sci Technol 33:407-423.
14. Perre P., Passard J. (1995) A control-volume procedure compared with the finite-element method for calculating stress and strain during wood drying. Drying Technology 13: 635-660.
15. Persson K. (1997) Modelling of wood properties by a micromechanical approach Report TVSM-3020. Lund university.
16. Skaar C. (1988) Wood-water relations, p 283. Springer-Verlag.
17. Svensson S. (1997) Internal stress in wood caused by climate variations. Report TVBK-1013. Lund university.
18. Tauchert T.R., Hsu N.N. (1977) Shrinkage stresses in wood logs considered as layered, cylindrically orthotropic materials. Wood Sci Technol 11: 51-58.
19. Timoshenko S.P., Goodier J.N. (1982) Theory of Elasticity. pp: 441-443. 3rd Edition. McGraw-Hill, New York.
20. Wu Q.L., Milota M. (1996) Mechano-sorptive of Douglas-fir specimens under tangential tensile stress during moisture adsorption. Wood Fiber Sci 28:128-132.