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I have received the following error message when meshing using Ansys 5.4: "Exterior surface connectivity found to be invalid in mid-node generation. Predicted edges = 43491, Real edges = 43490." Can anyone tell me what I do about preventing this and enabling the meshing to continue?

I have recently seen German documentation containing the material designation of '1.7784.5'. The item in question is a high tensile steel bolt. Can someone tell me what designation system this is and where I might find it's material properties on the internet?

I am currently working through ANSYS 5.4 Workbook Example 3 which is concerned with the import of solid models. An ANSYS supplied model is used. Part of the demonstration concerns the filling of cavities and the removing of bosses. Despite following the lesson to the letter I am repeatedly...

I appear to have solved the issue but without knowing why. I moved the relevant IGES files further up the directory structure (towards the root directory) and ANSYS was then able to load them.

What is even more peculiar is that if the files are contained on a floppy on the my a: drive then then dialogue box acknowledges their existence as files but still fails to read them. I get an error message which says that 'File ******.*** does not exist. Please check the file name.' and...

You are right - my mistake. It seems that IGES files should be *.igs or *.iges. In fact the files supplied on the ANSYS installation disc are *.iges so the problem still stands.

I'm new to Ansys and have been working through the workbook examples with Ansys 5.4. I'm trying to complete Example 3 "Import of Solid Models" but despite following the instructions Ansys doesn't seem to acknowledge the existence of the two iges files (nofeature.ige and features.ige)...