Summary
Aim of this study is to determine the basic equations concerning the second boundary value problem of the theory of elasticity in particular for construction wood. For rhombic orthotropic materials, as represented for example by straight grained wooden constructions, the equations are calculated in Cartesian co-ordinates. For cylindrical orthotropic materials, as represented for example by curved laminated beams, the equations are calculated in cylindrical co-ordinates. In both cases the equations are determined for space stress problems. Assuming the plain stress condition the basic equations of plain stress problems can then be derived from the spatial equations.
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Noack, D., von Roth, W. On the theory of elasticity of the orthotropic material wood. Wood Sci.Technol. 10, 97–110 (1976). https://doi.org/10.1007/BF00416785
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DOI: https://doi.org/10.1007/BF00416785