# Butterfly wind analysis for built environment

**URL:** <https://discourse.ladybug.tools/t/butterfly-wind-analysis-for-built-environment/10839>\
**Category:** butterfly\
**Created:** [August 31, 2020, 3:37pm UTC](https://discourse.ladybug.tools/t/butterfly-wind-analysis-for-built-environment/10839 "2020-08-31T15:37:18Z")\
**Posts on this page:** 1\
**Showing post:** 5

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**Author:** ![ZhengrongTao](https://discourse.ladybug.tools/user_avatar/discourse.ladybug.tools/zhengrongtao/32/31521_2.png) [@ZhengrongTao](https://discourse.ladybug.tools/u/ZhengrongTao)\
**Post date:** [September 4, 2020, 3:48am UTC](https://discourse.ladybug.tools/t/butterfly-wind-analysis-for-built-environment/10839/5 "2020-09-04T03:48:54Z")

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> [@Wind analysis with butterfly - cannot mesh the model](https://discourse.ladybug.tools/t/wind-analysis-with-butterfly-cannot-mesh-the-model/10873/1):
>
> The error message is “1. Solution exception:WindowsError” and I have no idea for solving this problem.

 ![image](https://discourse.ladybug.tools/uploads/default/original/3X/5/5/558c572ccbe409b1e8f41c66525dae03013849ee.png)

To my surprise, I was able to run this case.It is recommended that you review your case again. The best way is to change the name of the wind tunnel，Windows Err is a very common error report, and it doesn’t necessarily mean there’s something wrong with your process.

Zhengrong

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