! TITLE: retainer_od_race.mac (AAAV) ! !----------------------------------------------------------------------- ! Rev - 10/31/2002 D. Edwards !----------------------------------------------------------------------- ! ! Analysis of upper azimuth bearing retainer to determine proper clearance ! and thickness to achieve desired preload on outer DT bearing races. ! ! Assembly: CU01715097 prototype machined and sleeved to use DT bearings. ! ! CS_0: Cartesian ring Coordinate System ! CS_1: Cylindrical ring Coordinate System ! CS_2: Spherical ring Coordinate System ! ! !************************** TABLE OF CONTENTS ************************** ! ! Model Assembly Preparation ! ! 1. Parameter List ! 2. Model Coordinate System ! 3. Solid Model ! !********************* Model Assembly Preparation ********************** ! mod_assemb_prep,arg1,arg2,arg3 ! prepare database for assembly ! !<<<<<<<<<<<<<<<<<<<<<<<< 1. Parameter List >>>>>>>>>>>>>>>>>>>>>>>>>> ! retainer_od_race.parm ! !<<<<<<<<<<<<<<<<<<<< 2. Model Coordinate System >>>>>>>>>>>>>>>>>>>>> ! mod_coord_system,acs,xc,yc,zc,rotxyc,rotyzc,rotzxc ! !<<<<<<<<<<<<<<<<<<<<<<<<<<< 3. Solid Model >>>>>>>>>>>>>>>>>>>>>>>>>> ! csys,CS_0 k,,r1 k,,r2 k,,r2,t1 k,,ro,t1 k,,ri,t1 k,,r3,t1 k,,r3,t1-t2 k,,r1,t1-t2 create_area view,'f' ! Apply pressure load along annulus about bolt pattern sfl,4,pres,Pt !MSH_AREA, mstyp, mshdens, etpa, elmnl, elmxl, lszmsh, mat, real, ecs msh_area,0,0,1,.01,.01,,c416 ! Apply contact elements at bearing race contact lsel,s,line,,7 nsll,s,0 ! 0=interior nodes only ngen,2,nm+1,all,,,,-.01 ! Copy nodes down y=-.01 type,2 mat,2 real,2 eintf,,,low,0,0,-.01,0 nsll,u,1 d,all,uy init_entity_num ! Apply contact elements at sleeve surface lsel,s,line,,1 nsll,s,1 ! All nodes ngen,2,nm+1,all,,,,-gapS ! Copy nodes down the correct gap distance type,3 mat,2 real,2 eintf,,,low,0,0,-gapS,0 nsll,u,1 d,all,uy init_entity_num,1 fini /sol antype,0 solcontrol !autots,on !nsub,20 solv fini /post1 /dscale,,1 avprin,0,0, plnsol,s,eqv,2,1 lsel,s,line,,1 nsll !fcn1='gapS+' rplot_nodal,0,'x','U','Y'