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yueya9113

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[交流] 【求助】vasp计算出错 已有4人参与

ZBRENT: fatal internal in brackting
         system-shutdown; contact gK immediately
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gavinliu7390

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小木虫(金币+0.5):给个红包,谢谢回帖交流
aylayl08(金币+2):谢谢提示 2010-04-22 20:19
follow is vasp admin's voice:

this message says that during geometry optimisation no reasonable next step could be found with Brent's algorithm (linear bisectioning)
please check the following
1) is the system converged already? (look at the forces in OUTCAR, especially if you use the total energy change as congvergence criterium for ionic optimisation)
2) if not: is each ionic step converged electronically ( this is needed to obtain reasonable forces)

http://cms.mpi.univie.ac.at/vasp-forum/forum_viewtopic.php?3.869
真理是一点点接近的!
3楼2010-04-22 19:40:46
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jghe

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小木虫(金币+0.5):给个红包,谢谢回帖交流
gavinliu7390(金币+1):谢谢交流! 2010-04-22 19:35
这个不好判断,再给点信息
2楼2010-04-22 19:34:08
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yunml

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小木虫(金币+0.5):给个红包,谢谢回帖交流
aylayl08(金币+1):谢谢讨论 2010-04-22 21:17
我一般用方法2(ibrion=2)的时候的才出现这个情况,换成1就好了。
一以贯之
4楼2010-04-22 20:28:54
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yueya9113

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引用回帖:
Originally posted by gavinliu7390 at 2010-04-22 19:40:46:
follow is vasp admin's voice:

this message says that during geometry optimisation no reasonable next step could be found with Brent's algorithm (linear bisectioning)
please check the following
...

谢谢
5楼2010-04-22 21:02:04
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