*HEADING
 ROTATING ACOUSTIC TORUS. 
 AC3D8 elements   
 Uses 2D dependency file  s1_aco_axi.RES 
*PREPRINT,MODEL=YES,history=yes
*****************************
*NODE,NSET=NROAD
 1, 0.0, 0.0, 0.5
*SYMMETRIC MODEL GENERATION,REVOLVE,NODEOFF=500,ELEMENT=500
 0.0, 0.0, 0.0,    0.0, 0.0, 1.0
 0.0, 1.0, 0.0
 360.0, 60
*surface,NAME=STREAD
 ETREAD, S4
*****************************
*STEP,INC=100
 STEADY STATE ROLLING, SLOW
*STEADY STATE TRANSPORT
*END STEP
*****************************
*STEP
 STEADY STATE DYNAMICS, SLOW ROLL
*STEADYSTATEDYNAMICS, DIRECT
150.0,370.0,20
*ACOUSTIC FLOW VELOCITY,ROTATION
 TORUS_nset, 90.0e-4, 0,0,0,  0,0,1
*CLOAD,loadcase=2
15206,8,1.0
15106,8,1.0
*END STEP
*****************************
*STEP,INC=100
 STEADY STATE ROLLING, 100 KPH
*STEADY STATE TRANSPORT
*END STEP
*****************************
*STEP
 STEADY STATE DYNAMICS, 100 KPH
*STEADYSTATEDYNAMICS, DIRECT
150.0,370.0,20
*ACOUSTIC FLOW VELOCITY,ROTATION
 TORUS_nset, 28.0, 0,0,0,  0,0,1
*CLOAD,loadcase=2
15206,8,1.0
15106,8,1.0
*END STEP
*****************************
*STEP,INC=100
 STEADY STATE ROLLING, M = 0.3
*STEADY STATE TRANSPORT
*END STEP
*****************************
*STEP
 STEADY STATE DYNAMICS, M = 0.3
*STEADYSTATEDYNAMICS, DIRECT
150.0,370.0,20
*ACOUSTIC FLOW VELOCITY,ROTATION
 TORUS_nset, 320.0, 0,0,0,  0,0,1
*CLOAD,loadcase=2
15206,8,1.0
15106,8,1.0
*END STEP