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FlexPDE Working Files

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FlexPDE works with an assortment of files differing in the file extension. All have the structure <problem name>.<extension>, where <problem name> is the unique identifier for the model being run. The meaning of the most commonly used extensions are described below. Other file extensions can be created and used in other circumstances as described later in the documentation.

Input

.PDE

 

FlexPDE reads a model description from a script file with the extension ".pde". This file is created by the user and contains the full description of the model to be run. The name of this file establishes the <problem name> used by the other files. This is an ordinary text file and can be opened with any text editor. This file should not be modified by formatting editors like Word as they may insert illegal characters.

 

Output

.PG6

 

FlexPDE writes primary graphical output into a file with the extension ".pg6". This file can be viewed later and used to print or export graphical data to various other formats. The format of this file is unique to FlexPDE and cannot be read by other programs.

 

.LOG

 

FlexPDE writes a summary of the progress of each run into a file with the extension ".log". This file contains information about time steps, error estimates, memory use and other data. This is an ordinary text file and can be opened with any text editor.

 

.DBG

 

FlexPDE writes a more elaborate summary of each run into a file with the extension ".dbg".  This file is sometimes useful in determining errors or locating trouble spots in the domain. This is an ordinary text file and can be opened with any text editor.

 

.EIG

 

In eigenvalue problems, FlexPDE writes a summary of final system eigenvalues into a file with the extension ".eig". This is an ordinary text file and can be opened with any text editor.

 

Note: By default Windows hides the file name extensions, relying on distinctive icons to indicate file type. Windows can be configured to show file extensions and we encourage users to do this. FlexPDE has unique icons for ".pde" and ".pg6" files, but not for the other files.

 

The DELETE Selector

DELETE (extension, ...) included in the SELECT section will cause FlexPDE to delete the specified files <problem name>.extension when the ".pde" file is closed. For example, DELETE (dbg, log) will delete the associated ".dbg" and ".log" files.

 

 


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