Experimental Stress Analysis |
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adhesive alloy angle axes axis birefringent birefringent coating boundary brittle coating brittle-coating calibration circuit sensitivity constant cosē crack pattern curing determined direction displacement Durelli dynamic effect elasticity employed epoxy equations error Figure frequency fringe order gage length galvanometer given grid illustrated in Fig isochromatic fringe patterns isoclinic lens light vector linear load measure Mech method modulus of elasticity normal obtained optical output percent photoelastic effect photoelastic materials photoelastic model plane plastic Poisson's ratio polariscope polarizer polymeric potentiometer potentiometer circuit pressure principal strains principal stresses problem Proc produced quarter-wave plate R₁ R₂ ratio relative resistance rosette SESA shear stress shown in Fig sinē slice specimen strain field strain gage stress components stress distribution stress function Stresscoat Substituting Eqs surface temperature thickness threshold strain time-edge tion voltage wave plate Wheatstone bridge wire zero მყ