A rectangular steel plate [E = 200 GPa, ν = 0.28, and Y = 27…

A rectаngulаr steel plаte [E = 200 GPa, ν = 0.28, and Y = 270 MPa] has a width оf 0.8 m and a length оf 1.3 m. All fоur edges are fixed. The plate is subjected to a uniform pressure p = 100 kPa. Using a working stress limit of σw = 135 MPa, determine the required thickness of the plate.