I work with some codes (with xgrafix) that generated dump files having all the information of simulation. The code can read the dump file itself. But is there any way to read it externally using some editor? N.B. gedit/vi failed to read it.
Check these links might be helpful:-
http://www.unix.com/emergency-unix-linux-support/165852-how-open-core-dump-file-linux.html
http://stackoverflow.com/questions/8305866/how-to-analyze-a-programs-core-dump-file
My guess would be that these are restart dump files, made so that you can restart the simulation. In this case they will probably be in an undocumented format that is only known by the progam's designers and maintainers. Possibly there are even sections of binary data that are simply be rolled into the memory space of the running program.
Why do you need to read the dump anyway? Can't you reload it and get the info you need from within the parent program? If the program is open source you might be able to cannibalise it to just run a restore and then output the data that you are interested in in a more accessible format.
If you want to "peek" at the file, vi (and gedit maybe) failed because the file is too large. Try to "carve" it into smaller chunks (maybe with dd ?) then it will load into vi or a regular hex editor.
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