CADS - A Computer Aided Design System. Volume 3. Program Maintenance Manal.
Abstract
This is the program maintenance manual for the Computer Aided Design System, CADS . CADS is a pre and post processor for structural analysis and optimization programs based on the finite element method. The system supports five functional modules controlled by an Executive Monitor. All of these modules communicate with a data base through a data manager. In addition a post output translator, CADSPP, is available which processes output from finite element programs, e.g. NASTRAN, directly into the data base. This report gives a detailed description of the internal structure of CADS for use in future maintenance and enhancement of the code. CADS uses two random access files to store the geometry and analysis program results for a finite element model. The geometry (GEOM) data base is used to store all the elements, grid points, and similar model information. The POST data base is used to store analysis results such as element stresses and forces, grid displacements and modal output. Detailed descriptions of the individual data records for the GEOM and POST data bases are given., In addition each subroutine or function is described. Subroutine descriptions include an outline of its purpose and approach, routine inputs and outputs, error messages, external calls, the argument list, a key variable list and a list of common blocks. A brief discussion on the installation of CADS is also included. (Author)
Document Details
- Document Type
- Technical Report
- Publication Date
- Oct 01, 1986
- Accession Number
- ADA174229
Entities
People
- Michael C. Less
- Susan Manuel