Two-and Three-dimensional Hybrid Photomechanical-numerical Stress Analysis

a₁ Airy coefficients Airy stress function aluminum ANSYS b₁ b₂ birefringent boundary conditions c₁ coating components of stress compression condition number cosē d₁ described approach determined evaluate experimental expressions of eqns Figure Finite Element Analysis finite geometries geometry hoop stress in-plane individual stresses input values interior stress isopachic equations isopachic stress isotropy least-squares locations of Fig longitudinal face matrix equation Ac measured data measured input data measured TSA normal stresses number of coefficients ORPTERM perforated plate photoelastic pixels plate of Fig principal stresses prismatic specimen reduces the number semip shear stress shown in Fig sinē smoothed specimen of Figs strain gages stress components stress distribution stress expressions stress information surface stresses symmetry technique temperature Thermoelastic Stress Analysis traction-free conditions analytically TSA and PSA TSA data TSA image TSA input TSA measured TSA values TSA-determined TSA(ANS_Cen TSA(Cen TSA(Offset σ₂