SUBROUTINE UMOTION(U,KSTEP,KINC,TIME,NODE,JDOF) INCLUDE 'ABA_PARAM.INC' DIMENSION U(1), TIME(2) PARAMETER (ONE=1.0D0,TWO=2.0D0) IF(NODE.LE.8) THEN U(1)=-TWO*TIME(1)/(TIME(2)-ONE) ENDIF RETURN END