iproblem=  41                 
      nwad=      1                  
      nsmolar=   0                  
      hc=        0.05               
      wadsmoth=  0.05               
      dte=       12.                
      isplit=    10                 
      mode=       3                 
      hhi0=      20.0               
      days=      5.0                
      prtd1=     0.125              
      horcon=    0.1                
      aam_init=  50.e0              
      kl1=       2                  
      kl2=       kb-1