United States Nuclear Regulatory Commission - Protecting People and the Environment

ACCESSION #: 9612260076

Georgia Tech             Computer Aided Structural Engineering Center 

                         Georgia Institute of Technology
                         School of Civil & Environmental Engineering
                         Atlanta, Georgia 30332-0355
                         USA
                         404 o 894 o 2260
                         404 o 894 0 8014 FAX

November 26, 1996

Attention: Nuclear Administrator
Boeing Information & Support Services  
P.O. Box 24346, M/S 7A-33
Seattle, Washington 98124-0346

RE: GT STRUDL

Dear Sir or Madam:

Enclosed please find copies of GTSTRUDL PROGRAM REPORT FORM No. 96.25 and
a VENDOR ACKNOWLEDGMENT FORM.  Please sign and return the VENDOR 
ACKNOWLEDGMENT FORM to acknowledge receipt of the GTSTRUDL Program
Report.

Thank you for reviewing the Program Report and for returning the
Acknowledgment Form

Best regards,
CASE Center

Lawrence F. Kahn
Director

LFK/tlk
Enclosures

An Equal Education and Employment Opportunity Institution

                               A Unit of the University System of Georgia


                      GTSTRUDL Program Report Form

                                             GPRF No.:

                                                  DATE:

FROM:     Computer-Aided Structural Engineering Center
          Georgia Institute of Technology
          Atlanta, Georgia 30332-0355

SEVERITY LEVEL:

X URGENT       Problem results in incorrect answers which may not be
               apparent or job aborts and cannot be recovered within the
               session or job.

  SERIOUS      Problem results in incorrect answers which are obvious or
               problem prevents completion of a particular user's task.

  MINOR        Problem can be worked around or problem poses high
               frustration factor.

 INFORMATIVE   Documentation error, program usage tip, user
               inconveniences.

Date Problem Confirmed

Date Notification Sent 

Computers      All

Operating System    All

Version   All

Target Release for Correction 96.02

                                        Mgr.  ASD
Signature                          Title
R & D Division


Michael H. Swanger
Typed or Printed Name              Date of Signature


Signature                          Title
Professional Services Division


Typed or Printed Name              Date of Signature             Rev. 2.2


                      GTSTRUDL Program Report Form
                               (Continued)

                                             GPRF No.: 
                                                  DATE:. 

DESCRIPTION

     Section 2.1.9, Volume 1 of the GTSTRUDL User's Manual states that if
     one of the segment lengths is not specified for the member
     properties data of variable non-prismatic members, the correct
     length of that segment will be automatically computed.  This
     procedure causes an abort in stiffness analysis if the DEAD LOAD
     command is given prior to the STIFFNESS ANALYSIS command.  A work-
     around that prevents the abort is to give the CONSISTENCY CHECK
     command prior to the DEAD LOAD command as follows:


               CONSISTENCY CHECK
               DEAD LOAD 'DL' DIR-Y ALL MEMBERS

               STIFFNESS ANALYSIS

Applicable sections of the User's Manual:

The MEMBER PROPERTIES Command      Section 2.1.9.2, Volume 1, GTSTRUDL
                                   User's Manual

     Variable Specs                          Section 2.1.9.2.3

Independent Dead Loading Command        Section 2.1.11.3.1, Volume 1,
                                        GTSTRUDL User's Manual

The CONSISTENCY CHECK Command      Section 2.1.12.4, Volume 1, GTSTRUDL
                                   User's Manual

The STIFFNESS ANALYSIS Command     Section 2.1.13.2, Volume 1, GTSTRUDL
Manual                             User's 

                                                                 Rev. 2.2


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