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Prediction of rheological behaviour of wood during its compression

Dornyak O.

International Journal of Applied Mechanics and Engineering

2003

Vol. 8, no spec.

231-237

Rheological model for wood mechanical behavior viewed as a medium with dual porosity is considered. Mathematical modeling of compression process of a wooden sample in a special mould is done at stable temperature conditions with the help of numerical methods. It is shown, in particular, that the maximal level of tangential stresses in the section of the sample essentially depends on the rheological characteristics of the structural skeleton and the wooden substance, as well as on reallocating of fields of moisture and porosity.