# BNWF model using FLAC3D

**URL:** <https://forum.itascainternational.com/t/bnwf-model-using-flac3d/1344>\
**Category:** FLAC3D\
**Created:** [February 28, 2024, 12:37am UTC](https://forum.itascainternational.com/t/bnwf-model-using-flac3d/1344 "2024-02-28T00:37:46Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![meale](https://avatars.discourse-cdn.com/v4/letter/m/278dde/32.png) [@meale](https://forum.itascainternational.com/u/meale)\
**Post date:** [February 28, 2024, 12:37am UTC](https://forum.itascainternational.com/t/bnwf-model-using-flac3d/1344/1 "2024-02-28T00:37:46Z")

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Is it possible to perform seismic analysis of micropile using a beam on nonlinear winkler spring model using FLAC3D?

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**Author:** ![dblanksma](https://avatars.discourse-cdn.com/v4/letter/d/858c86/32.png) [@dblanksma](https://forum.itascainternational.com/u/dblanksma)\
**Post date:** [March 5, 2024, 4:35pm UTC](https://forum.itascainternational.com/t/bnwf-model-using-flac3d/1344/2 "2024-03-05T16:35:48Z")

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Hello @meale,  
I am not familiar with Winkler spring models. If you want to view the available models in _FLAC3D_ for soil-beam (or any material-structural element) interaction, I’d advise to look here - [Structural Element Links — Itasca Software 9.0 documentation](https://docs.itascacg.com/itasca900/common/sel/doc/manual/sel_manual/links/links.html?node1843)

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**Author:** ![meale](https://avatars.discourse-cdn.com/v4/letter/m/278dde/32.png) [@meale](https://forum.itascainternational.com/u/meale)\
**Post date:** [March 6, 2024, 12:41am UTC](https://forum.itascainternational.com/t/bnwf-model-using-flac3d/1344/3 "2024-03-06T00:41:45Z")

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Thank you for your response.