# Simulation of cables with tension-only materials

**URL:** <https://calculix.discourse.group/t/simulation-of-cables-with-tension-only-materials/1114>\
**Category:** Uncategorized\
**Created:** [May 24, 2022, 3:49pm UTC](https://calculix.discourse.group/t/simulation-of-cables-with-tension-only-materials/1114 "2022-05-24T15:49:11Z")\
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**Author:** ![Calc\_em](https://avatars.discourse-cdn.com/v4/letter/c/43a26b/32.png) [@Calc\_em](https://calculix.discourse.group/u/Calc_em)\
**Post date:** [May 24, 2022, 6:18pm UTC](https://calculix.discourse.group/t/simulation-of-cables-with-tension-only-materials/1114/2 "2022-05-24T18:18:38Z")

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Typically, truss elements are used for such applications but you could also use beams. The difference is that beams have bending stiffness while trusses don’t. The connection can indeed be tricky and might be easier with beams than with trusses. Tie constraint should handle the connection. Check this thread for some examples:

> [@Is contact of beam and shell allowed in CCX?](https://calculix.discourse.group/t/is-contact-of-beam-and-shell-allowed-in-ccx/270):
>
> hi, i’m modeling contact analysis of beam and shell faces, try a simple model but did not succeed. anyone has experiences, are the solver CCX allowed this analysis type? or something i miss at input decks. bellows are input files, thank you. \*\* Objective : Beam to Shell Contact \*NODE 1,0,0,0 2,100,0,0 3,100,100,0 4,0,100,0 5,50,25,10 6,125,50,10 \*ELEMENT,TYPE=S4 1,1,2,3,4 \*ELEMENT,TYPE=B31 2,5,6 \*ELSET,ELSET=eplate 1 \*ELSET,ELSET=ebeam 2 \*SURFACE,NAME=splate 1,SPOS \*SU…

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