*HEADING
.INP  Distributed load tests of GRAV, CENTRIF, and ROTA for
MASS elements with anisotropic mass and *orientation
*preprint,model=yes,history=yes
*NODE
1,10.
2,0.0,10.
3,0.0,0.0,10.
*ELEMENT,TYPE=MASS,ELSET=MASS
1,1
*ELEMENT,TYPE=MASS,ELSET=MASS2
2,2
*ELEMENT,TYPE=MASS,ELSET=MASS3
3,3
*MASS,ELSET=MASS,TYPE=ANISOTROPIC,ORIENTATION=DEG90
100., 200., 300.
*MASS,ELSET=MASS2,TYPE=ANISOTROPIC,ORIENTATION=DEG90
100., 200., 300.
*MASS,ELSET=MASS3,TYPE=ANISOTROPIC,ORIENTATION=DEG90
100., 200., 300.
*ORIENTATION,NAME=DEG90
1.,0.,0.,0.,1.,0.
3,90.
*BOUNDARY
1,1,6
2,1,6
3,1,6
*STEP,PERTURBATION
** step 1
*STATIC
*DLOAD,OP=NEW
MASS,GRAV,32.2,0.,1.,0.
*NODE PRINT
RF, 
*OUTPUT,FIELD
*NODE OUTPUT
RF,
*OUTPUT,FIELD
*ELEMENT OUTPUT
LOADS,
*EL PRINT,FREQ=0
*END STEP
**
*STEP,PERTURBATION
** step 2
*STATIC
*DLOAD,OP=NEW
MASS,GRAV,32.2,1.,0.,0.
*END STEP
**
*STEP,PERTURBATION
** step 3
*STATIC
*DLOAD,OP=NEW
MASS,GRAV,32.2,0.,0.,1.
*END STEP
**
*STEP,PERTURBATION
** step 4
*STATIC
*DLOAD,OP=NEW
MASS,CENTRIF,300.,0.,0.,0.,0.,0.,1.
*END STEP
**
*STEP,PERTURBATION
** step 5
*STATIC
*DLOAD,OP=NEW
MASS2,CENTRIF,300.,0.,0.,0.,0.,0.,1.
*END STEP
**
*STEP,PERTURBATION
** step 6
*STATIC
*DLOAD,OP=NEW
MASS3,CENTRIF,300.,0.,0.,0.,0.,1.,0.
*END STEP
**
*STEP,PERTURBATION
** step 7
*STATIC
*DLOAD,OP=NEW
MASS,ROTA,10.,0.,0.,0.,0.,0.,1.
*END STEP
**
*STEP,PERTURBATION
** step 8
*STATIC
*DLOAD,OP=NEW
MASS2,ROTA,10.,0.,0.,0.,0.,0.,1.
*END STEP
**
*STEP,PERTURBATION
** step 9
*STATIC
*DLOAD,OP=NEW
MASS,ROTA,10.,0.,0.,0.,0.,1.,0.
*END STEP