ults ................................................................30 Р 2.5 Key points in the analysis with ABAQUS .................................................31 Р 2.5.1 Property of element.............................................................................31 Р 2.5.2 Initial geometric deformation of plate.................................................32 Р 2.5.3 Boundary conditions ...........................................................................32 Р 2.5.4 Strain-stress relationship of steel ........................................................33 Р 2.6 Elastic buckling of plate ............................................................................34 Р 2.6.1 Analysis of plate with clamp support ..................................................35 Р - IX -