TDCM dy dr 42 da dyz 9 2 42 T DLM Integrating this equation twice and using the boundary Conditions = o at y = o ad v=0 at y=d da d2 1 dy? 202 ) dyz 2 Zond poder differential 3 Two boundary Conditions are needed to determine the constants which with Z dy appear in the Selulisn. : - - E dy ar dy Y ta 106)