! TITLE: ground_load.parm (MMA WBDDS) ! !--------------------------------------------------------------------------- ! Rev - 08/19/2006 D. Edwards !--------------------------------------------------------------------------- ! ! Kinematics & Kinetics model of MMA Weapons Bay Doors and Linakges. ! ! Ref: Boeing_model-2006-07-18.drw ! !---------------------- a.) Title and Units Declaration -------------------- ! /title,MMA Weapons Bay Ground Loading ! /units,bin ! !--------------------- b.) Part Name Selection Variable -------------------- ! name='gl' arry_nam='gl' ! !--------------------------- c.) Model C.S. Names -------------------------- ! ct_name='CS_0' ! cartesian cyl_name='CS_1' ! cylindrical sph_name='CS_2' ! spherical ! !----------------------- d.) Material and Element Type --------------------- ! ! ! Material Properties !mat_select,'c17_4' ! ! et,1,beam3 ! 2-D beam element keyopt,1,6,1 !Print member forces/moments in the element CS !keyopt,1,9,9 ! Output result at 9 intermediat points along each beam keyopt,1,9,0 ! E=28.0E6 mp,EX,1,E mp,NUXY,1,0.27 mp,dens,1,0 ! D1=1 adia,'A1',D1 I1=pi*D1**4/64 ! !AREA, IZZ, HEIGHT, SHEARZ, ISTRN, ADDMAS r,1,A1,I1,D1 ! ! Door Mass ! Wo = 402.9 ! [lbf] Outer door weight Wi = 256.1 ! [lbf] Inner door weight Mo = Wo/g_bin ! [lbf-s^2/in] Mi = Wi/g_bin et,2,mass21 keyopt,2,1,0 ! Interpret real constants as masses and rotary inertias keyopt,2,2,0 ! Element CS initially parallel to the global CS keyopt,2,3,4 ! 2-D mass without rotary inertia r,2,Mo ! Outer door mass r,3,Mi ! Inner door mass ! !--------------------------- e.) Model Parameters -------------------------- ! ! Door hingeline y1 = 53.5 z1 = -8.03125 ! RGA driveline y4 = 54.1041 z4 = 0.0000 ! Strut pivot y26 = 34.1870 z26 = 4.6886 Adoor0 = 131.57728 Arga0 = 74.73957637 ! Get Arga0 from run with Adoor=0 ! Link Lengths Lgoose = 7.0600 Llink = 9.8250 Lrga = 4.750 Ldo = 37.3820 Ldi = 18.3843 Lstrut = 45.0488 Ado = 82.07961 ! Door CG locations Ado1 = 4.33095 Ldo1 = 16.86247 Adi1 = 13.33694 Ldi1 = 12.18298 ! ! Parameters for inner door skin arc ! Ldisc = 72.7060 ! Inner door skin center w.r.t. CS240_1 Adisc = -72.1505 Ldis1 = 2.2558 ! Outboard corner Adis1 = 106.4032 Ldis2 = 23.0544 ! Inboard corner Adis2 = 14.4548 Rdis = 74.9610 ! !------------------------ f.) Model C.S. Coordinates ----------------------- ! acs=0 ! active coordinate system ! xc=0 ! x coordinate center yc=0 ! y coordinate center zc=0 ! z coordinate center ! rotxyc=0 ! xy rotation rotyzc=0 ! yz rotation rotzxc=0 ! zx rotation ! !---------------------------------------------------------------------------