(a) SECTION OF THE HULL, 4 X IN LENGTH 



(b) SECTION OF THE HULL, SHOWING ONLY THE PLATES 

 COMPRISING ONE LOOP 



(c) THE SECTION SHOWN IN (b) HAS BEEN 

 UNFOLDED, OR DEVELOPED INTO A 

 PLANE SHEET 



(d) UNDEFORMED POSITION OF THE DEVELOPED 

 SECTION (DOTTED LINES), AND DEFORMED 

 POSITION (SOLID LINES) 



(e) EQUATION FOR THE SHEAR STRAIN OF A 

 PLATE OF FIGURE (d) 



SHEAR STRAIN £ -. Ji -. ± -. f^ ^Ij. + ^ 

 " G Gt "h /IX ^ ds 



.^s<^^ = ^ — ^ 0,R„ i— ; ds ^ 6^- ds . _ 0^R„ ds . OA^ _ 



(f ) INTEGRATION OF EQUATION (e) 

 AROUND THE LOOP 



Figure 18 - Shear Strain in the Plates Comprising a Loop 



70 



