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babaleo(½ð±Ò+1): лл²ÎÓë
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ÒýÓûØÌû:
1915341Â¥: Originally posted by babaleo at 2010-11-10 02:14:38
Èô×÷Ó¦Á¦-Ó¦±ä¹ØÏµ£¬ ÇëÎÊVASP Êä³öµÄÓ¦Á¦ÔÚOUTCAR ÀïÄÄÒ»¶Î£¿ÊDz»ÊÇ
FORCE on cell =-STRESS in cart. coord.  units (eV/reduce length):£¿

babaleo,ÄúºÃ£¡ÎÒÓÐÒ»¸öСÒÉ»ó£¬ÏëÇë½ÌÄú£¡
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±ÈÈçOrthorombic, ÓÐ9¸ö·ÇÁã Cij, ¼ÓÓ¦±ä(00e00e)µÄ»°,
        s1                C11        C12        C13        0        0        0                0
        s2                C12        C22        C23        0        0        0                0
        s3        =      C13        C23        C33        0        0        0        X       e
        s4                0           0          0        C44        0        0                0
        s5                0           0           0         0        C55       0              0
        s6                0           0           0         0        0        C66              e

¶ÔÓ¦Á¦s1, ´ÓÉÏÃæ¾ØÕós1=c13xe, ¼Ó²»Í¬Ó¦±ä, Ëã³ö²»Í¬Ó¦Á¦, ±ÈÈç,
strain magnitute1=-0.006,        Stress s1== -30.775258
strain magnitute2=-0.0036,         stress s1=-30.376274
strain magnitute3=-0.0012,         Stress s1=-29.925712
strain magnitute4=0.0012,        Stress s1=-29.504233
strain magnitute5=0.0036, Stress s1=-29.063
strain magnitute6=0.006, Stress s1=-28.6

¶ÔÉÏÃæÓ¦Á¦-Ó¦±äÖµ ÄâºÍ, ÄâºÍÖ±ÏßбÂʾÍÊÇc13°à(c13=181.4GPa).ͬÀí,ÓÃs2, s3, s6¿ÉµÃµ½ c23,c33, c66.

ÎÒÏëÖªµÀ£¬ÄúÔÚÉÏÃæ¸ø³öµÄs1=-28.6 µÄµ¥Î»ÊÇKbarÂ𣿠 
ÆäʵÎÒÊÇÏëÖªµÀ £¬Õ⹫ʽÖеĵ¥Î»¹ØÏµ £º
s1 (Kbar)  = cij (µ¥Î»£¿) * strain (ÀýÈçÉÏÃæµÄ0.006)

ÎÒµÄÀí½âÊÇ£¬strain µÄµ¥Î»¿É¿´×÷1£¬»òÕßûÓе¥Î»£¬ cij µÄµ¥Î»¾ÍÊÇs1µÄµ¥Î»¡£ÄÇô£¬ÄúÉÏÃæ¸ø³öµÄÊý¾Ý£¬±ÈÈ磺  strain magnitute6=0.006, Stress s1=-28.6  Õâ¸ös1 µÄµ¥Î»Ó¦¸ÃÊÇGpa£¬µ«ÎÒ¿´ÁËÏÂÓëÓ¦±äµÄ¹ØÏµ£¬Ó¦¸ÃÖ»ÊÇKbar ¡£

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11Â¥2013-03-16 16:48:22
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babaleo(½ð±Ò+1):лл²ÎÓë
zzy870720z(½ð±Ò+1):ллָµã 2010-11-12 16:44:14
¿´ ¡°in kB¡± ÄÇÒ»ÐС£¶ÔÓ¦µÄÓ¦Á¦ÊÇ   Fxx  Fyy Fzz    Fxy  Fyz Fzx
2Â¥2010-11-12 13:26:23
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

babaleo

ľ³æ (ÕýʽдÊÖ)


ÒýÓûØÌû:
Originally posted by gavinliu7390 at 2010-11-12 13:26:23:
¿´ ¡°in kB¡± ÄÇÒ»ÐС£¶ÔÓ¦µÄÓ¦Á¦ÊÇ   Fxx  Fyy Fzz    Fxy  Fyz Fzx

ллָµã.
3Â¥2010-11-13 09:54:14
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

zsjan

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