FAQ 004639 | When modeling a wall, there are lifting forces arising in the support area, which we cannot explain. As soon as the wall is not modeled and supported directly, we obtain plausible support forces. What is the error?

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19 August 2020

001738

René Flori

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Question

When modeling a wall, lifting forces arise in the support area, which we cannot explain. As soon as the wall is not modeled and the ceiling is directly supported, we obtain plausible support forces. What is the error?

Answer

Simply use the deformations for the result evaluation. Since the deformations are very small, increase the number of decimal places for the display of the deformation in the first step.

If you display the deformation in global Y for the wall pillar and increase the display factor, you can clearly see how the wall is bent. The support reaction counteracts as restraint of this deformation.

Figure 01 - Horizontal deformation of the wall pillar

If you define a line support directly on the slab edge, the flexibility of the wall surface is not applicable.

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Dlubal FAQ Results Deformation Support force Frequently Asked Question FAQ about Dlubal Question and Answer about Dlubal

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  • Updated 19 November 2020

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