! TITLE: tc.parm (AAAV) ! !--------------------------------------------------------------------------- ! Rev - 07/29/2000 J. Rinaldi !--------------------------------------------------------------------------- ! ! This is the parameter file used in the construction of the azimuth ! gimbal of the AAAV, GIMBAL.MAC. ! !--------------------- a.) Part Name Selection Variable -------------------- ! mfg='nhbb' name='gimbal' arry_nam='gimb' ! !--------------------------- b.) Model C.S. Names -------------------------- ! ct_name='CSgim0' ! cartesian cyl_name='CSgim1' ! cylindrical sph_name='CSgim2' ! spherical ! !------------------------ c.) Material Properties -------------------------- ! alum=1 ! Material: Aluminum A356-T6 azimuth gimbal c440C=2 ! 440C CRES outer race c416=3 ! 416 CRES steel sleeve epoxy=4 ! Bacon Ind. LCA-4 Low expansion adhesive EXalum=10.4E6 DENSalum=.097/386.4 NUXYalum=0.33 ALPXalum=11.1E-6 EX440C=28.0E6 DENS440C=.283/386.4 NUXY440C=0.27 ALPX440C=5.56E-6 EX416=28.0E6 DENS416=.283/386.4 NUXY416=0.27 ALPX416=5.23E-6 EXepx=1.62E6 DENSepx=.066/386.4 NUXYepx=0.4 ALPXepx=15.0E-6 mp,EX,alum,EXalum mp,dens,alum,DENSalum mp,nuxy,alum,NUXYalum mp,alpx,alum,ALPXalum mp,EX,c440C,EX440C mp,dens,c440C,DENS440C mp,nuxy,c440C,NUXY440C mp,alpx,c440C,ALPX440C mp,EX,c416,EX416 mp,dens,c416,DENS416 mp,nuxy,c416,NUXY416 mp,alpx,c416,ALPX416 mp,EX,epoxy,EXepx mp,dens,epoxy,DENSepx mp,nuxy,epoxy,NUXYepx mp,alpx,epoxy,ALPXepx et,1,plane82 !ET,1,plane42 ! !--------------------- d.) Thermal conditions -------------------------------- ! Troom=70 ! [deg F] Room temp (zero thermal stress) Ttest=-40 ! [deg F] Test temp ! !--------------------- e.) Geometry Definition ------------------------------- ! ! Wing section *if,pcnt_act,eq,0,then pcnt_act=200 ! Upper rect. section size % of actual width dimensions *endif dhubo=4.925 ! diameter of the outer hub l5=4.680 l6=4.505 l7=3.623 l9=0.562 l10=1.658 l11=5.961 ! Screw holes in az. gimbal astart=-90 ! Angle to 1st cut from positive X-axis ainc=22.5 ! Angle between cuts rscrwh=.138/2 ! Radius of screw holes rscrwpat=4.635/2 ! Radius of screw pattern r_gbor=4.468/2 ! Inner radius of azimuth gimbal bore ! Definition of stress relief cuts r_cut=0 !2*.062 ! Radius of cuts t_wall=.050 ! Thickness between stress relief cuts and screw holes *if,r_cut,gt,0,then r_pat=r_gbor x=acos(((rscrwh+r_cut+t_wall)**2-r_pat**2-rscrwpat**2)/(-2*r_pat*rscrwpat)) phi=x*dconv *else r_pat=0 *endif ! Outer Race of Lower Azimuth Bearing (490A045-102, Rev. B) rracei=1.8896388 ! Equiv. Inner radius (from raceo_top_nhbb.mac) rraceo=4.3748/2 ! Outer radius (from 490A045-102) trace=rraceo-rracei ! Equiv. thickness of bearing outer race ! Steel Sleeve rslvi=rraceo ! Inner radius of steel sleeve tslv=r_gbor-rslvi ! Thickness of sleeve rslvo=r_gbor ! Outer radius ! !--------------------- f.) Mesh Sizing ------------------------------- ! esize=.04 ewing=6 ! Wing section scale factor