
 FRAME3DD version: 20100105
 Analysis of 2D and 3D structural frames with elastic and geometric stiffness.
 http://frame3dd.sf.net
 GPL Copyright (C) 1992-2010, Henri P. Gavin
 This is free software with absolutely no warranty.
 For details, see the GPL license file, LICENSE.txt


 ** Example B: a pyramid-shaped frame --- static and dynamic analysis (N mm ton)  ** 

 number of joints ................................... nJ =  15  ... complete
 number of joints with reactions .................... nR =   3  ... complete
 number of frame elements............................ nE =  24  ... complete
 number of load cases ............................... nL =   1 
 load case 1 of 1:                                             
  number of loaded joints ........................... nF =   1
  number of uniformly distributed loads ............. nU =  12
  number of trapezoidally distributed loads ......... nW =   0
  number of concentrated frame element point loads .. nP =   0
  number of temperature changes ..................... nT =   0
  number of prescribed displacements ................ nD =   0
                                                      load data ... complete
 number of dynamic modes ............................ nM =   4
 modal analysis method ..............................   1  (Subspace-Jacobi)
 number of joints with extra lumped inertia ......... nI =   0
 number of frame elements with extra mass ........... nX =   0
 structural mass ....................................   7.9357e-005
 total mass .........................................   7.9357e-005
 number of modes to be animated ..................... nA =   4
                                                      mass data ... complete

 Load Case 1 of 1 ...                                           
 Linear Elastic Analysis ... Mechanical Loads

 Non-Linear Elastic Analysis ...
   NR iteration   1 --- RMS equilibrium precision: 2.88e-002 
   NR iteration   2 --- RMS equilibrium precision: 2.41e-002 
   NR iteration   3 --- RMS equilibrium precision: 2.64e-003 
   NR iteration   4 --- RMS equilibrium precision: 4.50e-005 
   NR iteration   5 --- RMS equilibrium precision: 3.34e-006 
   NR iteration   6 --- RMS equilibrium precision: 8.57e-008 
  RMS relative equilibrium precision: 2.471e-004 ...  certainly acceptable! 


 Modal Analysis ...
    5 sub-space iterations,   error: 1.0896e-007 
  mode:  1	DoF:    23	   56.4351 Hz
  mode:  2	DoF:     5	   98.3373 Hz
  mode:  3	DoF:    22	  121.9289 Hz
  mode:  4	DoF:     4	  205.1359 Hz
  mode:  5	DoF:    10	  269.8723 Hz
  mode:  6	DoF:    35	  320.1958 Hz
  mode:  7	DoF:    17	  494.5193 Hz
  mode:  8	DoF:    24	  588.5382 Hz
  There are 4 modes below 205.135860 Hz.  All 4 modes were found.


