Engineering Analysis using PAFEC Finite Element Software by C H Woodford

By C H Woodford

The purpose of this e-book is to supply specialist engineers and scholars of engineering with a legitimate operating wisdom of the finite point strategy for engineering research and engineering layout. This readable textual content will function a advisor either to the strategy, and to its implementation in PAFEC (Program for computerized Finite point Calculations) software program.

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NODES with the header LIST. The chosen circular arc is such that it passes through the first and last of the nodes in the list and is a least squares fit to nodes already defined. Apart from the first and the last, there will have to be at least one other node which will have to exist already in order to specify the arc. Where necessary, adjustments are made to existing nodes to force them onto the arc. NODES. NODES will be used. Nodes 2 and 11 are used to define the circular arcs. 5 Mesh verification As with all computer programs it is all too easy to make a mistake in the input data and so in effect solve or attempt to solve a different problem.

1 Modular nature of PAFEC-FE The PAFEC-FE program has been of great assistance as a development tool in research, resulting in the advancement of the finite element method. This is largely due to the modular nature of the program. In effect the various components of the program are compartmentalized and only interact through well-defined procedures. Modularity permits new facilities to be added and existing facilities to be upgraded with relative ease. The user of the PAFEC-FE program is in effect using a database with a database management system inherently provided.

0). LIST 4 3 The numbers 2 and 3 appearing in both the PAFBLOCKS and the MESH modules are for linking purposes and as such have been chosen arbitrarily. LIST header may be used to produce an irregular mesh. If anything other than a single entry appears then these entries are interpreted to be the required ratios of the lengths of the elements. 10 Rectangular region having an irregular mesh. LIST header of the MESH module. This powerful feature of PAFEC-FE facilitates experiments with different mesh sizes, an essential practice in successful finite element analysis.

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