抄録
In this study, in order to calculate the bending rigidity of a honeycomb, a torsion problem of a board was analyzed by using the generalization variation principle. The analysis was checked by using the numerical analysis of FEM. In the torsion problem of a board, the boundary condition that rotation angle is zero on two edges is fulfilled. Also, the bending rigidity of honeycomb was investigated using board torsion coefficient q_τ, obtained from the analysis of the torsion problem of a board. It is shown that the bending rigidity of honeycomb is mostly proportional to the 3rd power of height h of the honeycomb, and in h/l>0.5, is mostly proportional to thickness t of the cell board, which constitutes the honeycomb.