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Frequently Asked Questions (FAQ)
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AnswerThe following causes can be responsible for this:
- In most cases, these differences can be attributed to a lack of convergence. Increasing the iterations and increments in the calculation parameters and FE mesh settings should help.
- High stiffness jumps result in numerical problems, which leads to errors in the result evaluation. In RSTAB, this is not a major problem with a full and analytical approach. In RFEM, on the other hand, approximation approaches are used, so higher stiffness jumps should rather be avoided.
- Bedded bars may well be subject to deviations as well. If the bars are not or only roughly divided, there are convergence problems. A practical solution here is to select a "finer" bar pitch in the FE mesh settings.
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