Chapter l2 Sheet bending D Summarization D8 12-1 Basic Hypothesis 812-2 Basic Functions D8 12-3 Internal Force of Cross Section 」§12-4 Boundary condition of sheet D8 12-5 Solution of Sheet Bending under Rectangular Coordinate [8 12-6 Axisymmetric Bending of Circular Sheet D8 12-7 Solution of Displacement of Sheet by Calculus of variation 33 Chapter12 Sheet bending Summarization § 12－1 Basic Hypothesis § 12－2 Basic Functions § 12－3 Internal Force of Cross Section § 12－4 Boundary Condition of Sheet § 12－5 Solution of Sheet Bending under Rectangular Coordinate § 12－6 Axisymmetric Bending of Circular Sheet § 12－7 Solution of Displacement of Sheet by Calculus of Variation