TITLE
  The case considered is the same as case 206 above except that
  interfacial-pressure effects are included in the momentum
  equations.
L(P206)
TEXT(1D INTERFACIAL-PRESSURE TEST CASE
TITLE
CPIP=0.25
IF(CONPHS.EQ.1) THEN
+ INTSOR(INTPS,CPIP)
ELSE
+ INTSOR(INTPS,-CPIP)
ENDIF
RELAX(R1,LINRLX,0.5);RELAX(R2,LINRLX,0.5);LSWEEP=80