Graphically-Oriented Nonlinear Analysis of Statically Loaded Plane Frames on Microcomputers
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1989-05-01
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Edition:Final Report: Sept. 1987- Aug. 1989
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Abstract:Computer program FRAMES performs a nonlinear analysis of statically loaded plane made to existing frames using a discrete element model. Enhancements are an FORTRAN code using currently available hardware and software. The original code runs on a minicomputer with alphanumeric terminals, while the enhanced version runs improved interface that includes panel-oriented on a microcomputer with user extensive use Low level assembly language routines are input and of graphics. written to provide functions for manipulating screens, and calls to a commercial software package provide functions for graphical capabilities. The existing code is integrated with the new program as subroutines, 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. Graphical 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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