# One-dimensional model

**URL:** https://community.freefem.org/t/one-dimensional-model/936
**Category:** General Discussion
**Created:** [April 21, 2021, 5:26pm UTC](https://community.freefem.org/t/one-dimensional-model/936 "2021-04-21T17:26:43Z")
**Posts on this page:** 3
**Page:** 1

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### Author: ![yongxing](https://yyz2.discourse-cdn.com/flex030/user_avatar/community.freefem.org/yongxing/32/3632_2.png) [@yongxing](https://community.freefem.org/u/yongxing)
#### Post date: [April 21, 2021, 5:26pm UTC](https://community.freefem.org/t/one-dimensional-model/936/1 "2021-04-21T17:26:44Z")

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Dear all,

I can understand FreeFEM++ does not have 1D FEM space. However, is there a trick that can sort of implement a one-dimensional structure. For example, considering a 1D wire (or a beam) interacting with a 3D flow?

Best,  
Yongxing.

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### Author: ![prj](https://avatars.discourse-cdn.com/v4/letter/p/ecae2f/32.png) [@prj](https://community.freefem.org/u/prj)
#### Post date: [April 21, 2021, 5:52pm UTC](https://community.freefem.org/t/one-dimensional-model/936/2 "2021-04-21T17:52:18Z")

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See [FreeFem-sources/examples/3dCurve at develop · FreeFem/FreeFem-sources · GitHub](https://github.com/FreeFem/FreeFem-sources/tree/develop/examples/3dCurve).

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### Author: ![yongxing](https://yyz2.discourse-cdn.com/flex030/user_avatar/community.freefem.org/yongxing/32/3632_2.png) [@yongxing](https://community.freefem.org/u/yongxing)
#### Post date: [April 22, 2021, 9:12am UTC](https://community.freefem.org/t/one-dimensional-model/936/3 "2021-04-22T09:12:41Z")

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Brilliant! Thank you prj.  
Yongxing.