# \[Archive\] current density

**URL:** <https://forum.spis.org/t/archive-current-density/521>\
**Category:** SPIS\
**Created:** [22 February 2014 08:40 UTC](https://forum.spis.org/t/archive-current-density/521 "2014-02-22T08:40:00Z")\
**Posts on this page:** 6\
**Page:** 1

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**Author:** ![system](https://forum.spis.org/uploads/default/original/1X/887f7e402a70666bad1816db2c64fefd698b4b0f.png) [@system](https://forum.spis.org/u/system)\
**Post date:** [22 February 2014 08:40 UTC](https://forum.spis.org/t/archive-current-density/521/1 "2014-02-22T08:40:00Z")

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Message by **Hui Liu** :  
Why the current density in the my simulation results is very strange,and it is not normal distribution.

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**Author:** ![system](https://forum.spis.org/uploads/default/original/1X/887f7e402a70666bad1816db2c64fefd698b4b0f.png) [@system](https://forum.spis.org/u/system)\
**Post date:** [18 April 2014 10:58 UTC](https://forum.spis.org/t/archive-current-density/521/2 "2014-04-18T10:58:00Z")

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Message by **Mehmet Balta** :  
Hi,  
Could you find the solution?  
Because mine is also not normal. Distributed in whole the volume without any order.  
Please let me know if you found the solution.  
Thanks,  
Regards,  
Mehmet

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**Author:** ![system](https://forum.spis.org/uploads/default/original/1X/887f7e402a70666bad1816db2c64fefd698b4b0f.png) [@system](https://forum.spis.org/u/system)\
**Post date:** [24 May 2014 09:27 UTC](https://forum.spis.org/t/archive-current-density/521/3 "2014-05-24T09:27:00Z")

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Message by **luo xiaoming** :  
you can try the new version 5.1.0. you will get a better result ,but it is not a smooth curve when I plot over a line.

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**Author:** ![system](https://forum.spis.org/uploads/default/original/1X/887f7e402a70666bad1816db2c64fefd698b4b0f.png) [@system](https://forum.spis.org/u/system)\
**Post date:** [26 May 2014 17:29 UTC](https://forum.spis.org/t/archive-current-density/521/4 "2014-05-26T17:29:00Z")

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Message by **Mehmet Balta** :  
I forgot to write here that I already found it out why. The problem was that the plasma potential and surface current looks okay but the current density results need smaller timesteps to converge. The current density(of Xe, Xe++, Xe+, CEX particles) gives reliable results only with very small timesteps like 1e-6secs.

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**Author:** ![system](https://forum.spis.org/uploads/default/original/1X/887f7e402a70666bad1816db2c64fefd698b4b0f.png) [@system](https://forum.spis.org/u/system)\
**Post date:** [27 May 2014 10:05 UTC](https://forum.spis.org/t/archive-current-density/521/5 "2014-05-27T10:05:00Z")

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Message by **luo xiaoming** :  
Thank you very much,I will try it again by the method you provided.

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**Author:** ![system](https://forum.spis.org/uploads/default/original/1X/887f7e402a70666bad1816db2c64fefd698b4b0f.png) [@system](https://forum.spis.org/u/system)\
**Post date:** [10 July 2020 11:41 UTC](https://forum.spis.org/t/archive-current-density/521/6 "2020-07-10T11:41:00Z")

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