*HEADING
 : F2D2 FLUID ELEMENT AND FLUID LINK TEST
 (2-1x1x1 BLOCKS, HYDRAULIC, NO BULK MODULUS, NO THERMAL EXPANSION)
*RESTART, WRITE, FREQ=1
*NODE, NSET=CAV1NOD
*ELEMENT, TYPE=F2D2, ELSET=CAV1
*ELEMENT, TYPE=F2D2, ELSET=CAV2
*ELEMENT, TYPE=FLINK, ELSET=FL1
**
**              HYDROSTATIC FLUID PROPERTY
**
*FLUID PROPERTY, ELSET=CAV1, REFNODE=1, TYPE=HYDRAULIC
*FLUID DENSITY
 10.,
*FLUID PROPERTY, ELSET=CAV2, REFNODE=11, TYPE=HYDRAULIC
*FLUID DENSITY
 10.,
**
**              FLUID LINK PROPERTY
**
*FLUID LINK, ELSET=FL1, DEPEND=1, TYPE=FUNCTION
**
**              SPRINGS
**
*ELEMENT, TYPE=SPRING1, ELSET=SPRINGY1
*SPRING, ELSET=SPRINGY1
 2,
 1.E-6,
*BOUNDARY
  2, 1, 2, 0.0
  4, 1, 1, 0.0
 12, 1, 2, 0.0
 14, 1, 1, 0.0
*INITIAL CONDITIONS, TYPE=TEMPERATURE
  1, 10.
 11, 10.
*INITIAL CONDITIONS, TYPE=FIELD, VARIABLE=1
  1, 1.0
 11, 1.0
*EQUATION
**
**              STEP 1: CONCENTRATED LOAD OF -100
**                      FIELD VARIABLE = 1
**                      TEMPERATURE    = 10
**
*STEP, NLGEOM, AMPLITUDE=STEP
*STATIC
 0.1, 0.2
*CLOAD
 4, 2, -100.
*NODE PRINT
 U,PCAV,CVOL
*NODE FILE
 U,PCAV,CVOL
*OUTPUT,FIELD
*NODE OUTPUT
 U,PCAV,CVOL
*EL PRINT,ELSET=FL1
 MFL,MFLT
*EL FILE, ELSET=FL1
 MFL,MFLT
*OUTPUT,FIELD
*ELEMENT OUTPUT,ELSET=FL1
 MFL,MFLT
*ENERGY PRINT
*ENERGY FILE
*OUTPUT,HISTORY,FREQUENCY=1
*ENERGY OUTPUT,VARIABLE=PRESELECT
*END STEP
**
**              STEP 2  FIELD VARIABLE = 1
**                      TEMPERATURE    = 10 TO 100
**
*STEP, NLGEOM
*STATIC
 0.005, 0.01
*TEMPERATURE
  1, 100.
 11, 100.
*END STEP
**
**              STEP 3  DUMMY PERTURBATION
**                      FIELD VARIABLE = 1
**                      DELTA TEMPERATURE  = 0
**
*STEP,PERTURBATION
*STATIC
 0.005, 0.01
*NODE PRINT
 NT,
*NODE FILE
 NT,
*OUTPUT,FIELD
*NODE OUTPUT
 NT,
*ENERGY PRINT
*ENERGY FILE
*OUTPUT,HISTORY,FREQUENCY=1
*ENERGY OUTPUT,VARIABLE=PRESELECT
*END STEP
**
**              STEP 4  FIELD VARIABLE = 2
**                      TEMPERATURE    = 100
**
*STEP, NLGEOM, AMPLITUDE=STEP
*STATIC
 0.01, 0.01
*FIELD, VARIABLE=1
*END STEP