# Implementing dynamically changing forces based on structural deformations in CalculiX

**URL:** <https://calculix.discourse.group/t/implementing-dynamically-changing-forces-based-on-structural-deformations-in-calculix/2293>\
**Category:** Uncategorized\
**Created:** [May 31, 2024, 8:58pm UTC](https://calculix.discourse.group/t/implementing-dynamically-changing-forces-based-on-structural-deformations-in-calculix/2293 "2024-05-31T20:58:29Z")\
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**Author:** ![Disla](https://yyz2.discourse-cdn.com/free1/user_avatar/calculix.discourse.group/disla/32/3548_2.png) [@Disla](https://calculix.discourse.group/u/Disla)\
**Post date:** [June 2, 2024, 8:03pm UTC](https://calculix.discourse.group/t/implementing-dynamically-changing-forces-based-on-structural-deformations-in-calculix/2293/9 "2024-06-02T20:03:19Z")

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Maybe you could start looking at how general gravitational loading was coded in ccx and extend it. There is an analogy between gravitational and electric field that could be explored.  
Look at this post if it can give you some initial idea.

> [@Newton's law of universal gravitation](https://calculix.discourse.group/t/newtons-law-of-universal-gravitation/1768):
>
> Hello everybody. Is there any way to apply the gravitational force on a body in its most general expression? [imagen] I would impose m1. m2 is my model which has a finite dimension. Regards

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