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WHAT IS THE SSSALTER LIBRARY?

The sssalter library contains a collection of dmap alters that were written either in reponse to client requests or prototypes to demonstrate the feasibility of proposed new features.

While each DMAP alter was tested for a number of possible applications, these alters have not undergone the extensive testing required to be included in MSC.Nastran. It is possible that your application may use a path through the DMAP alter that was not tested, so always review your results carefully. These DMAP alters were developed independently, and it is likely that a conflict will occur if more than one alter is used in a run.

A detailed description of each alter (*.rdm) is delivered with Version 2005 under the sssalter library subdirectory. The sssalter library is located in the

install_dir/msc2005/nast/misc/sssalter

subdirectory. A logical symbol SSSALTERDIR points to this subdirectory. Refer to the MSC.Nastran Installation and Operations Guide for further details.

The naming conventions for the Version 2005 files are shown in the table below.

FILENAME DESCRIPTION
xxxa.alt DMAP itself.
xxxr.rdm(.txt) Detailed description of the dmap xxxa.alt.
xxxi.dat Sample test files for xxxa.alt, where i = an integer.
xxxf.for, xxxf.f FORTRAN file for xxxa.alt when appropriate.
xxx.doc An expanded version xxxr.rdm in Microsoft Word format.
xxx.tar A unix tar file for all the alters, test files, and readme files. This is usually done for alters that do not fit into the above convention.
xxx.zip A zip file for all the alters, test files, and readme files. This is usually done for alters that do not fit into the above convention.

Similar naming convention are used for other versions of MSC.Nastran.