FAQ 002492 EN

22 February 2019

Markus Baumgärtel General RFEM RSTAB

When checking the calculation, the following message appears: 'Error No. 16 when generating the FE mesh. Two or more nodes have the same coordinates.'

Answer

In this case, you can try to adjust the FE mesh finer.

However, it is usually better to regenerate the model and to round off the node coordinates to 6 decimal places, for example. You can access this feature using the menu 'Tools → Regenerate Model'. In this way, the inaccuracies caused by the smallest differences in a coordinate are corrected (see Figure 01).

The model check can also find double nodes (menu 'Tools → Model Check → Identical Nodes'). In the following dialog box, you can specify what is to happen with these nodes (see Figure 02).

Keywords

model check double node error 16 regenerate model regenerate

Reference

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RFEM Main Program
RFEM 5.xx

Main Program

Structural engineering software for finite element analysis (FEA) of planar and spatial structural systems consisting of plates, walls, shells, members (beams), solids and contact elements

Price of First License
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RSTAB Main Program
RSTAB 8.xx

Main Program

The structural engineering software for design of frame, beam and truss structures, performing linear and nonlinear calculations of internal forces, deformations, and support reactions

Price of First License
2,550.00 USD