The materials that we are choose for this plate is the aluminium alloy, since the young modulus of this materials is 70 x 109 N/m. From the table below it shows the material properties for the plate. The dimension of the plate was 1m x 1m x 0.01m (length x width x thickness). Find the von misses stress by using this data Properties Value Units Elastic Modulus 6.9 x 1010 N/m Poisson's Ratio 0.33 - Tensile Strength 6.89 x 107 N/m Yield Strength 2.76 x 107 N/m Thermal Expansion Coefficient 2.4 x 10-5 /Kelvin Mass Density 2700 kg/m