147 



? 



.05-|-l.O8-f-l.O5-fl.lO-|.1.11-j-1.i1-f 1.13-1-1.11— f 1.15— f 1.15 -j-1.12-f). 15 -f 1.13 -f 1.11— f 1.10 -j-1 .09 -f 1.12— f 1.06— j 1.06— fl.06- 



S S 



(^ f»^ 



CN f^ 



8 S S 



-1.04— '•1.08-'-l.05—'-1.09-'-1.11—'-1.10-'-1.11-'-1.11— '1.15— |1.H-f t.13-tl.13-'-l.13-'-1.ll— 'l.ll— "-l. 09 -"-1.12 —11.06 —'1.06 —"1.06- 



^ ^ f^ 



f 1.13-^^1. 12-4 



.- .- w 



|-1.12-fl.10-| 

 (^ f^ o< 



h.l1-+1.09--| 



^1.1o— 1-1.08— I 



Figure 2 - Drawing Representing Diaphragm in Original Condition 

 with Final Strain Grid Measurements Superimposed 



Several quantities are required for the calculation. The arc length 

 s is measured along the deformed diaphragm from the center as shown in Figure 

 3. Values of s are computed from the 

 grid data shown in Figure 2; Tq is the 

 distance from the center of a particle 

 P in the undlstorted form. Then e^, 

 the conventional radial strain, is 



'^ = J^/'- '■o^ 



Figure 3 - Schematic Cross Section 

 of Deformed Diaphragm 



