📺Wind Panels and Inset Stories 2018

Posted on October 2nd, 2018 in Wind

Summary

The sources detail a step-by-step method for creating correct wind panels on a building frame that includes inset storeys. This process is necessary because the standard automatic panel generation fails to correctly account for the repeated leading edges created by these architectural features.

The Challenge with Inset Storeys

A building structure featuring inset storeys (visible when rotating the frame and looking at elevations) poses a difficulty for automatic wind panel generation.

• When the automatic generation function is initially applied, the resulting panel banding is typically incorrect, appearing, for example, as A, B, B, B, and then back to A.

• However, due to the leading edges created by each inset storey, the banding should correctly be A, followed by A again, and A, repeating this pattern .

• When examined after correction, the wind loading should show repeating A's (A, repeat A, repeat A, and repeat A) . This ensures the correct leading edge in each direction .

The Solution: Segmented Auto-Generation

The simple and quick way to solve this issue is to use a segmented approach, applying the auto-generation function floor by floor or section by section :

1. Preparation: First, all existing wind panels must be deleted . The frame should be positioned in the front view .

2. Step 1: Ground and First Floor: Use the software's filter function to zoom in specifically on the ground and the 1st floor only . Then, use the auto-generate function (or "auto wall") for this segment . This successfully completes the ground floor and the first floor, which may include a small balcony .

3. Step 2: Subsequent Floors (Segmented): Return to the full view, ensure the front view is selected, and repeat the filtering and auto-generation process for each level variation :

    ◦ Filter from the 1st to the 2nd floor, and apply the "auto wall" .

    ◦ Filter from the 2nd to the 3rd floor, and apply the "auto wall" .

    ◦ Repeat this process for the next two or three levels, using the filter and "window auto" functions .

4. Step 3: Top Floors (Combined): If there is no variation in the highest levels, the top two floors can be done in one step using the filter and auto function .

This methodical filtering and segmenting process creates the full frame with all the different sub-panels and achieves the correct banding of the wind panels necessary to satisfy the requirements imposed by the inset storeys . The final check confirms the correct distribution, such as seeing A and A for two different areas, rather than the incorrect A and B often seen on the level immediately above .

Summary with Timestamps

The process for creating wind panels on a building frame with inset storeys, detailing the necessity of using a segmented approach rather than standard auto-generation, is summarized below in table format, drawing directly from the timestamps in the sources: