Proof-of-concept problem: Icosahedron frame - static and dynamic analysis (in, kip) # node data ... 11 # number of nodes # X-coord Y-coord Z-coord radius #.node x y z r #.n in in in in 1 0 0 240 0 2 214.66252583998 0 107.33126291999 0 3 66.334368540005 204.15619400449 107.33126291999 0 4 -173.665631459995 126.175466908592 107.33126291999 0 5 -173.665631459995 -126.175466908592 107.33126291999 0 6 66.334368540005 -204.15619400449 107.33126291999 0 7 173.665631459995 -126.175466908592 -107.33126291999 0 8 173.665631459995 126.175466908592 -107.33126291999 0 9 -66.334368540005 204.15619400449 -107.33126291999 0 10 -214.66252583998 0 -107.33126291999 0 11 -66.334368540005 -204.15619400449 -107.33126291999 0 # reaction data ... 5 # number of nodes with reactions # Rx Ry Rz Rxx Ryy Rzz #.node x y z xx yy zz 1=fixed, 0=free 7 1 1 1 1 1 1 8 1 1 1 1 1 1 9 1 1 1 1 1 1 10 1 1 1 1 1 1 11 1 1 1 1 1 1 # frame element data ... 25 # number of frame elements #.elmnt n1 n2 Ax Asy Asz Jxx Iyy Izz E G roll density # . . in^2 in^2 in^2 in^4 in^4 in^4 ksi ksi deg k/in^3/g 1 1 2 0.736310778185108 0.371407848242346 0.371407848242346 0.65002435886654 0.32501217943327 0.32501217943327 2900 11500 0 0.000000733 2 1 3 0.736310778185108 0.371407848242346 0.371407848242346 0.65002435886654 0.32501217943327 0.32501217943327 2900 11500 0 0.000000733 3 1 4 0.736310778185108 0.371407848242346 0.371407848242346 0.65002435886654 0.32501217943327 0.32501217943327 2900 11500 0 0.000000733 4 1 5 0.736310778185108 0.371407848242346 0.371407848242346 0.65002435886654 0.32501217943327 0.32501217943327 2900 11500 0 0.000000733 5 1 6 0.736310778185108 0.371407848242346 0.371407848242346 0.65002435886654 0.32501217943327 0.32501217943327 2900 11500 0 0.000000733 6 2 3 0.736310778185108 0.371407848242346 0.371407848242346 0.65002435886654 0.32501217943327 0.32501217943327 2900 11500 0 0.000000733 7 3 4 0.736310778185108 0.371407848242346 0.371407848242346 0.65002435886654 0.32501217943327 0.32501217943327 2900 11500 0 0.000000733 8 4 5 0.736310778185108 0.371407848242346 0.371407848242346 0.65002435886654 0.32501217943327 0.32501217943327 2900 11500 0 0.000000733 9 5 6 0.736310778185108 0.371407848242346 0.371407848242346 0.65002435886654 0.32501217943327 0.32501217943327 2900 11500 0 0.000000733 10 6 2 0.736310778185108 0.371407848242346 0.371407848242346 0.65002435886654 0.32501217943327 0.32501217943327 2900 11500 0 0.000000733 11 2 7 0.736310778185108 0.371407848242346 0.371407848242346 0.65002435886654 0.32501217943327 0.32501217943327 2900 11500 0 0.000000733 12 2 8 0.736310778185108 0.371407848242346 0.371407848242346 0.65002435886654 0.32501217943327 0.32501217943327 2900 11500 0 0.000000733 13 3 8 0.736310778185108 0.371407848242346 0.371407848242346 0.65002435886654 0.32501217943327 0.32501217943327 2900 11500 0 0.000000733 14 3 9 0.736310778185108 0.371407848242346 0.371407848242346 0.65002435886654 0.32501217943327 0.32501217943327 2900 11500 0 0.000000733 15 4 9 0.736310778185108 0.371407848242346 0.371407848242346 0.65002435886654 0.32501217943327 0.32501217943327 2900 11500 0 0.000000733 16 4 10 0.736310778185108 0.371407848242346 0.371407848242346 0.65002435886654 0.32501217943327 0.32501217943327 2900 11500 0 0.000000733 17 5 10 0.736310778185108 0.371407848242346 0.371407848242346 0.65002435886654 0.32501217943327 0.32501217943327 2900 11500 0 0.000000733 18 5 11 0.736310778185108 0.371407848242346 0.371407848242346 0.65002435886654 0.32501217943327 0.32501217943327 2900 11500 0 0.000000733 19 6 11 0.736310778185108 0.371407848242346 0.371407848242346 0.65002435886654 0.32501217943327 0.32501217943327 2900 11500 0 0.000000733 20 6 7 0.736310778185108 0.371407848242346 0.371407848242346 0.65002435886654 0.32501217943327 0.32501217943327 2900 11500 0 0.000000733 21 7 8 0.736310778185108 0.371407848242346 0.371407848242346 0.65002435886654 0.32501217943327 0.32501217943327 2900 11500 0 0.000000733 22 8 9 0.736310778185108 0.371407848242346 0.371407848242346 0.65002435886654 0.32501217943327 0.32501217943327 2900 11500 0 0.000000733 23 9 10 0.736310778185108 0.371407848242346 0.371407848242346 0.65002435886654 0.32501217943327 0.32501217943327 2900 11500 0 0.000000733 24 10 11 0.736310778185108 0.371407848242346 0.371407848242346 0.65002435886654 0.32501217943327 0.32501217943327 2900 11500 0 0.000000733 25 11 7 0.736310778185108 0.371407848242346 0.371407848242346 0.65002435886654 0.32501217943327 0.32501217943327 2900 11500 0 0.000000733 1 # 1: include shear deformation 1 # 1: include geometric stiffness 2.0 # exaggerate static mesh deformations 1.0 # zoom scale for 3D plotting 1.0 # x-axis increment for internal forces, in # if dx is -1 then internal force calculations are skipped. 1 # number of static load cases # Begin Static Load Case 1 of 1 # gravitational acceleration for self-weight loading (global) #.gX gY gZ #.in./s^2 in./s^2 in./s^2 0 0 -386.4 1 # number of loaded nodes #.node Fx Fy Fz Mxx Myy Mzz # kip kip kip in.k in.k in.k 1 0 0 -0.1 0 0 0 0 # number of uniform loads (local) 0 # number of trapezoidal loads 0 # number of internal concentrated loads 0 # number of temperature loads #0 # number of support settlements 0 # number of nodes with prescribed displacements # End Static Load Case 1 of 1 6 # number of desired dynamic modes of vibration 1 # 1: subspace Jacobi 2: Stodola 0 # 0: consistent mass ... 1: lumped mass matrix 1e-9 # mode shape tolerance 0.0 # shift value ... for unrestrained structures 1.0 # exaggerate modal mesh deformations 0 # number of nodes with extra mass or inertia 0 # number of elements with extra mass 6 # number of modes to animate, nA 1 2 3 4 5 6 # list of modes to animate, omit if nA == 0 1 # pan rate during animation # matrix condensation data ... 2 # Condensation Method: 0= none 1= static 2= Guyan 3= Dynamic ### was 2 11 # number of condensed nodes #.node cx cy cz cxx cyy czz 1: condense DOF; 0: don't 1 1 1 1 1 1 1 2 1 1 1 1 1 1 3 1 1 1 1 1 1 4 1 1 1 1 1 1 5 1 1 1 1 1 1 6 1 1 1 1 1 1 7 0 0 0 0 0 0 8 0 0 0 0 0 0 9 0 0 0 0 0 0 10 0 0 0 0 0 0 11 0 0 0 0 0 0 1 2 3 # modes to match for dynamic condensation # End of input data file for Proof-of-concept Icosahedron frame