L(109)
TEXT(1D Ignition And Extinction         
TITLE
  DISPLAY
 
  Two burned-gas fragments are introduced into a large volume of
  cold unburned combustible mixture.
 
  The larger one ignites a self-sustaining flame; but the smaller
  one is extinguished.
  ENDDIS
IXEQNX=SKIP
PATCH(IGNITE1,INIVAL,NX-3,NX,1,1,1,1,1,1)
COVAL(IGNITE1,RCTD,0.0,1.0)
PATCH(IGNITE2,INIVAL,1,5,1,1,1,1,1,1)
COVAL(IGNITE2,RCTD,0.0,1.0)