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Graphically-Oriented Analysis of Beam Columns with Movable Loads on Microcomputers
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1988-12-01
[PDF-1.41 MB]
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Edition:Interim: September 1987 - December 1988
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Abstract:Computer program BMCOL51 performs finite-element simulation of a linearly elastic beam-column subjected to fixed and movable loads. Enhancements are made to an existing FORTRAN code using currently available hardware and software. The original code runs on a minicomputer with alphanumeric terminals, while the enhanced version runs on a microcomputer with an improved user interface that includes panel-oriented input and extensive use of graphics. Low-level assembly language routines are written to provide functions for manipulating screens, while calls to a commercial software package provide functions for graphical capabilities. The existing code is integrated with the new program as a subroutine, but no other modifications are made to facilitate avoidance of new error sources. Panel-oriented input eases the user's burden of creating and editing problems. Graphically representation of input data allows error-checking before execution of the code. In addition to the conventional numerical presentation, output data from analysis is also displayed graphically. A menu structure controls access to various capabilities of the software package. FORTRAN 77 is used as the primary language for new code development.
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