Prediction of rheological behaviour of wood during its compression

• Autorzy: Dornyak O.
• Konferencja: Second International Conference on Engineering Rheology ICER 2003
• Języki publikacji: EN

Abstrakty

EN

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.

Słowa kluczowe

EN

wood; rheological properties; mathematical modeling; compression; porosity

PL

reologia; porowatość; drewno

• Wydawca: Oficyna Wydawnicza Uniwersytetu Zielonogórskiego
• Czasopismo: International Journal of Applied Mechanics and Engineering
• Rocznik: 2003
• Tom: Vol. 8, no spec.
• Strony: 231--237
• Opis fizyczny: Bibliogr. 4 poz., rys., wykr.

Twórcy

autor

Dornyak O.

• Voronezh State Forestry Academy, Timiryazeva, 8, 394613, Voronezh, RUSSIA

Bibliografia

• [1] Buevich Yu.A. (1984): Structural and mechanical properties and filtration in elastic jointing and porous material. - Inzhenerno-Fizicheskii Zhurnal, vol.46, No.4, pp.593-600.
• [2] Dornyak O.R. (2003): Rheological behavior of wood medelling in the processes of compression. - Inzhenerno- Fizicheskii Zhurnal, vol.76, No.3, pp. 150-155.
• [3] hanhijarvi A. (1999): Deformation properties of Finnish spruce and pine wood in tangential and radial directions in association to high temperaturę drying. Part II. Experimental results under constant conditions (viscoelastic creep). - Holz ais Roh-und Werkstoff, vol.57, pp.365-372.
• [4] Nigmatulin R.I. (1978): The Fundamentals of Mechanics of Hetero genious Medium. - Moscow: Science.