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dlthl

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[交流] 【求助】几何优化出错

我在用castep计算结构的优化时,出现了错误
Error in allocating coeffs in wave-allocate-wv
这是什么意思,应该改正什么参数
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css8170

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dlthl(金币+1):感谢回复我查一下 2010-10-12 14:08:31
zzy870720z(金币+1):谢谢提示 2010-10-12 14:08:58
大部分是由于内存不足的原因,请在论坛中查找相关说明.
4楼2010-10-12 12:49:43
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zzy870720z

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dlthl(金币+1):没有,就这一个提示,我也觉得不应该就这样一个提示 2010-10-12 10:41:59
看看有没有其他提示
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2楼2010-10-12 10:16:43
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zzy870720z

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dlthl(金币+1):Error in allocating coeffs in wave-allocate-wv 这就是最后一行,以上就是迭代表格了 2010-10-12 14:07:21
castep文件最后几行都是什么,贴出来看看
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3楼2010-10-12 10:44:06
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css8170

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dlthl(金币+2):应该不是这个问题,感谢回答 2010-10-12 14:04:40
zzy870720z(金币+1):谢谢解答 2010-10-12 14:09:13
看看下面说明:
Error in allocating /variable/ in /function/  (CASTEP versions <= 4.0.1)
Out of RAM for /variable/ in /function/       (CASTEP versions >= 4.1)

this means that CASTEP requested some memory from the operating system (using Fortran's ALLOCATE statement) and the request was denied, usually because available memory has been exhausted. After checking that your input settings do not contain an error, your options are:
  to use some of CASTEP's memory-saving options eg set parameter OPT_STRATEGY=MEMORY (or OPT_STRATEGY_BIAS to 0 or -3) and PAGE_WVFNS=-1 or PAGE_WVFNS=/max-size/
  to find a computer with more memory to run on, (or go to your local computer shop, buy and install some additional memory)
  If on a parallel system, increase the number of processors for the job. This way the total memory needed will be distributed over a larger number of processes, and the requirement per processor will be smaller
5楼2010-10-12 12:59:38
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