# Knowledge Base

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1. ## Wind Force Due to Friction

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The wind, which blows parallel to the surfaces of a structure, can generate friction forces on these surfaces. This effect is mainly important for very large structures.

2. ## Wind Depending on the Structure Height for Vertical Walls

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The wind loads are regulated according to Eurocode 1 - Actions on structures - part 1-4: General actions - Wind loads. The nationally determined parameters of a respective country can be found in the National Annexes.

3. ## Modeling Containers by Generating a 3D Cell

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With the function "Generate Model - Members" → "3D Cell", it is very easy to generate containers (shipping containers, office containers, mobile homes, etc.) with regular and irregular distribution of the cells.
4. ## Consideration of the Correlation with Wind Loads

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If the wind load for buildings or structures is to be determined by the simultaneous assumption of aerodynamic pressure and suction coefficients on the windward and leeward sides of the building, the correlation of the wind pressure on zones D and E of the wall surfaces may be taken into account.
5. ## Determining Force Coefficient of Resulting Member Loads for Plane Lattice Structures from Wind Load

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This article presents a simple example of a lattice structure to explain how to determine wind loading as a function of the lattice solidity.

6. ## Methods of Supporting Plates by Columns

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In the case of plate structures, it is always necessary to consider the realistic definition support conditions. Depending on the way of defining the flexibility of the supports, clear differences may occur in the results.

7. ## Loading According to EN 1991-1-4 and Safety Against Overturning of Circular Cylinders

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This article describes the determination of force coefficients by using a wind load and the calculation of a stability factor due to overturning.

8. ## Soil Model of Foundation Overlap

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previous article presented different variants of surface elastic foundations in addition to the traditional subgrade reaction modulus method. The following article describes another method for surface foundation. This method considers the adjacent ground areas by means of a foundation overlap. In this case, foundation parameters refer to the continuing works by Pasternak and Barwaschow.

9. ## Considering Snow Overhang

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The ‘Generate Snow Loads’ function provides the option to consider snow overhang. Thus, the load of the snow overhang is applied automatically to the eaves using distributed load or several nodal loads.

10. ## For Wind as Governing Action Abandon Snow

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According to DIN EN 1990/NA:2010‑12 - NDP to A.1.2.1(1) Comment 2, it is possible to neglect the combination of snow as collateral action in the case of the combination wind/snow with the wind as leading action in wind zones III and IV.

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