$
$     THIS ALTER IS CONFIDENTIAL AND A TRADE SECRET OF THE 
$     MSC.SOFTWARE CORP.  THE RECEIPT OR POSSESSION OF
$     THIS ALTER DOES NOT CONVEY ANY RIGHTS TO REPRODUCE OR
$     DISCLOSE ITS CONTENTS, OR TO MANUFACTURE, USE, OR SELL
$     ANYTHING HEREIN, IN WHOLE OR IN PART, WITHOUT THE 
$     SPECIFIC WRITTEN CONSENT OF THE MSC.SOFTWARE CORPORATION.                                
$
*****************************************************************************
*                                                                           *
*   THIS SET OF ALTERS WILL INCORPORATE CORIOLIS, CENTRIPETAL, AND          *
*   DIFFERENTIAL STIFFNESS TERMS INTO THE SUPERELEMENT STIFFNEESS AND       *
*   DAMPING MATICES.  THE ALTERS SUPPORT SUPERELEMENT AND CYCLIC SYMMETRY   *
*   ANALYSES, AND NORMAL MODES CALCULATION IN STATIC NONLINEAR ANALYSIS.    *
*                                                                           *
*   THE ALTERS ARE FOR.v707OF MSC/NASTRAN USING THE STRUCTRURED SOLUTION    *
*   SEQUENCES (SOL101-SOL199).                                              *
*                                                                           *
*   FOR SUPERELEMENT AND CYCLIC SYMMETRY ANALYSES, THE TERMS ARE ADDED TO   *
*   THE SUPERELEMENT STIFFNESS AND DAMPING (KJJ AND BJJ) MATRICES DURING    *
*   A STATIC ANALYSIS WHICH DEFINES THE ROTATION VECTOR.  THE RESTART       *
*   RUN REDUCES THE SUPERELEMENT MATRICES (WHICH INCLUDE THE ADDITIONAL     *
*   TERMS) FOR USE IN THE RESTART ANALYSIS.                                 *
*                                                                           *
*   FOR THE STATIC NONLINEAR ANALYSIS (SOL 106), THE CENTRIPETAL TERMS ARE  *
*   ADDED TO THE RESIDUAL STRUCTURE MATRICES FOR CALCULATION OF NORMAL      *
*   MODES WHEN PARAMETER NMLOOP IS USED.                                    *
*                                                                           *
*   FOR MORE INFORMATION SEE THE ALTER FILES.                               *
*                                                                           *
*****************************************************************************
*                                                                           *
*   FILES FOR SUPERELEMENT ANALYSES :                                       *
*                                                                           *
*   SEGYROA.v707- ALTER TO ADD GYROSCOPIC TERMS TO NONCYCLIC SYMMETRY       *
*                 ANALYSES.                                                 *
*                                                                           *
*   SEGYRO1.DAT - EXAMPLE FIRST STEP IN USE OF SEGYROA.v707                 *
*                                                                           *
*   SEGYRO2.DAT - EXAMPLE SECOND STEP IN USE OF SEGYROA.v707                *
*                                                                           *
*****************************************************************************
*                                                                           *
*   FILES FOR CYCLIC SYMMETRY ANALYSES :                                    *
*                                                                           *
*   CYGYROA.v707- ALTER TO ADD GYROSCOPIC TERMS TO CYCLIC SYMMETRY         *
*                  ANALYSES.                                                *
*                                                                           *
*   CYGYRO1.DAT - EXAMPLE FIRST STEP IN USE OF CYGYROA.v707
*                                                                           *
*   CYGYRO2.DAT - EXAMPLE SECOND STEP IN USE OF CYGYROA.v707
*                                                                           *
*****************************************************************************
*                                                                           *
*   FILES FOR STATIC NONLINEAR ANALYSIS:                                    *
*                                                                           *
*   NLGYROA.v707- ALTER TO ADD GYROSCOPIC TERMS TO SOL106                   *
*                                                                           *
*   NLGYRO1.DAT - EXAMPLE USING NLGYROA.v707
*                                                                           *
*****************************************************************************
*
*   At least one output request is required (e.g., disp) in order to
*   generate the differential stiffness matrix
*