The strain at point A on the pressure-vessel wall has components E., = 480(10--<>), Ev = 720(10--<>), 'Yxy = 650(10--<>). Determine (a) the principaJ strains at A , in the x-y plane, (b) the maximum shear strain in the x-y plane, and (c) the absolute maximum shear strain.
Fluid Statics 1 Matter = Solid and fluids Fluids = Liquids and gases Characteristics Solid Fluid Shape Definite Takes the shape of container Behavior under Offer permanent resistanceOffers no permanent applied load Deforms but deformation resistance disappears when load is removed 2 Liquid Gas Incompressible [density constant]: Compressible [density changes]: Given mass of liquid will occupy a fixed volume. Given mass of gas has no fixed volume. Forms free surface: if volume of liquid is less than Fills the entire volume of container i.e. no free container surface. 3 * Note : The abov4 properties ainter-relatedand are important for all calculation throughout this course module. 4 m kg Density is given by, m 3 V Where : m = mass (kg) 3 V = Volume (m ) 3 Mercury 13,600 kg/m Steel 7,800 kg/m3 Water