A fully automatic system of two-dimensional photoelastic stress analysis using a TV camera and a microcomputer developed by the authors (Proc. Jpn. Soc. Photoelasticity, Vol. 8, No. 2, pp. 1) is applied to solving a two-dimensional elasticity problem-a circular ring under diametral concentrated loads. The distributions of σ
1-σ
2, σ
1+σ
2, σ
1, σ
2, directions of principal stresses φ, θ and stress components σ
x, σ
y, τxy were automatically obtained satisfactorily as quickly as approximately 3.5h without any need of researcher's interactive control.
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