d,1,uy,0.0 !displacement at node 1 fixed in x-direction
d,1,uz,0.0 !displacement at node 1 fixed in x-direction
d,1,omgx,-pi/6.0 !60°/s clockwise rotational velocity at node 1 about x-direction
d,1,omgy,0.0 !zero rotational velocity at node 1 about y-direction
d,1,omgz,0.0 !zero rotational velocity at node 1 about z-direction
time,1.0 !time at the end of load step 1
nsub,10,100,10 !initial, maximum and minimum number of substeps
outres,all,all !save results
solve !solve load step 1
!boundary conditions for load step 2
!zero rotational velocity at node 1 about x-direction
d,1,omgx,0.0
!y-component of 90°/s counterclockwise rotational velocity at node 1 about local z-axis
d,1,omgy,(pi/2.0)*sin(pi/6.0)
!z-component of 90°/s counterclockwise rotational velocity at node 1 about local z-axis
d,1,omgz,(pi/2.0)*cos(pi/6.0)
time,2.0! time at the end of load step 2
nsub,10,100,10
outres,all,all
solve !solve load step 2!boundary conditions for load step 3
!zero rotational velocity at node 1 about x-direction
d,1,omgx,0.0
!y-component of 90°/s counterclockwise rotational velocity at node 1 about local x-axis
d,1,omgy,(pi/2.0)*cos(pi/6.0)
!z-component of 90°/s counterclockwise rotational velocity at node 1 about local x-axis
d,1,omgz,-(pi/2.0)*sin(pi/6.0)
time,3.0! time at the end of load step 3
nsub,10,100,10
outres,all,all
solve !solve load step 3
finish
/post26 !time-history postprocessor
nsol,2,1,rot,x,rotx1 !store results for rotation about x-axis at node 1
nsol,3,1,rot,y,roty1 !store results for rotation about y-axis at node 1
nsol,4,1,rot,z,rotz1 !store results for rotation about z-axis at node 1
nsol,5,2,u,x,ux2 !store results for x-displacement at node 2
nsol,6,2,u,y,uy2 !store results for y-displacement at node 2
nsol,7,2,u,z,uz2 !store results for z-displacement at node 2
prvar,2,3,4 !print results
prvar,5,6,7
finishThe following animation shows how the beam deforms under the sequentially applied load. The result
is the same for applied rotations and applied rotational velocities.
Release 15.0 - © SAS IP, Inc. All rights reserved. - Contains proprietary and confidential informationExample Analyses with Multiple Imposed Rotations