---
title: Electro-mechanical coupled model for REBCO cylindrical coils
description: "HTS Modelling Workgroup | Model files\nElectro-mechanical coupled model for REBCO cylindrical coils (Screening Currents)"
image: https://htsmodelling.com/hubfs/File_2_SCS_coupled_Figure_Liangjun-1.png
---

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# Electro-mechanical coupled model for REBCO cylindrical coils

 by [**administrator**](https://htsmodelling.com/model-files/author/administrator) on Nov 1, 2024, 11:30:00 AM

![File_2_SCS_coupled_Figure_Liangjun](https://htsmodelling.com/hs-fs/hubfs/File_2_SCS_coupled_Figure_Liangjun.png?width=963&height=623&name=File_2_SCS_coupled_Figure_Liangjun.png)

#### This model was shared by Liangjun Shao, Tsinghua University Haidian District, Beijing (China)

This is a coupled electro-mechanical model for cylindrical REBCO coils. The   
electromagnetic component is based on T-A formulations for the 1-D array of   
REBCO layers in the coil. The mechanical component is based on a classic   
elastic solid model, considering the discrete contact boundary conditions   
between REBCO turns. Multiple General Extrusion units are set to extract the   
Lorenz force and displacement between the electromagnetic and mechanical   
components. The excitation process of this model is defined by the interpolation   
functions, enabling changes to the background field and operational current   
individually. 

Downloads

[Comsol files, version 6.2 - SCS coupled magnetomechanical](https://htsmodelling.com/hubfs/File_3_SCS_coupled_comsol62-1.mph)

Reference

1. Yan Y, Song P, Xin C, Guan M, Li Y, Liu H and Qu T 2021 [Screening-current](https://iopscience.iop.org/article/10.1088/1361-6668/ac0b2d)  
   [induced mechanical strains in REBCO insert coils](https://iopscience.iop.org/article/10.1088/1361-6668/ac0b2d)Supercond. Sci. Technol. 34,   
   085012 
2. Shao L et al 2024 [Experimental study on screening-current induced strain in ](https://iopscience.iop.org/article/10.1088/1361-6668/ad44e0)  
   [REBCO insert coils: under critical current control and operation current cycles ](https://iopscience.iop.org/article/10.1088/1361-6668/ad44e0)  
   Supercond. Sci. Technol. 37, 065014

Topics: [Finite element method](https://htsmodelling.com/model-files/tag/finite-element-method) [COMSOL](https://htsmodelling.com/model-files/tag/comsol) [2-D](https://htsmodelling.com/model-files/tag/2-d) [Screening Currents](https://htsmodelling.com/model-files/tag/screening-currents) [Solenoid](https://htsmodelling.com/model-files/tag/solenoid)

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