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·çÓêͬÖÜ113(½ð±Ò+16): 2011-07-16 21:39:37
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C%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% C >this simple program to get the primitive vectors after C $\delta$ strain, in order to calculate the independent C elastic constants of solids. C usage: C!!!!! Please first prepare the undeformed POSCAR in OLDPOS C >defvector.x C >type defvector.x > create new POSCAR in file fort.3 C%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% program defvector real*8 privect,strvect,delta,strten,strain,pos, alat dimension privect(3,3),strvect(3,3),strten(3,3),strain(6) dimension pos(50,3) character*10 bravlat, title, direct integer i,j,k,ntype, natomi, nn dimension natomi(10) C%%%%%%%%% Read the undeformed primitive vector and atomic postion %%%%%%% open(7,file='OLDPOS') C%% In first line of OLDPOS, please add the number C%% of the type of atoms after the title read(7,*) title, ntype read(7,*) alat do i=1,3 read(7,*) (privect(i,j),j=1,3) write(*,*) (privect(i,j),j=1,3) enddo read(7,*) (natomi(i),i=1,ntype) nn=0 do i =1, ntype nn=nn+natomi(i) enddo read(7,*) direct do i=1, nn read(7,*) (pos(i,j),j=1,3) enddo C%%%%%%%%% Read the amti of strain %%%%%%%%%%%%%%% read(*,*) delta C%%%%%%%%% Define the strain %%%%%%%%%%%%%% strain(1)=0.0 strain(2)=delta strain(3)=delta strain(4)=0.0 strain(5)=0.0 strain(6)=0.0 C%%%%%%%%% Define the strain tensor %%%%%%%%%%%%%%%%%%%%%%%% strten(1,1)=strain(1)+1.0 strten(1,2)=0.5*strain(6) strten(1,3)=0.5*strain(5) strten(2,1)=0.5*strain(6) strten(2,2)=strain(2)+1.0 strten(2,3)=0.5*strain(4) strten(3,1)=0.5*strain(5) strten(3,2)=0.5*strain(4) strten(3,3)=strain(3)+1.0 C%%%%%%%%% Transform the primitive vector to the new vector under strain%%%%% C strvect(i,j)=privect(i,j)*(I+strten(i,j)) do k=1,3 do i=1,3 strvect(i,k)=0.0 do j=1,3 strvect(i,k)=strvect(i,k)+privect(i,j)*strten(j,k) enddo enddo enddo C%%%%%%%% Write the new vector under strain%%%%%%%%%%%% do i=1,3 write(*,100)(strvect(i,j),j=1,3) enddo 100 format(3f20.15) C%%%%%%%%% Create the POSCAR for total energy calculation %%%%%%%%%%%%%%5 write(3,'(A10)') title write(3,'(f15.10)') alat do i=1,3 write(3,100)(strvect(i,j),j=1,3) enddo write(3,'(10I4)') (natomi(i), i=1,ntype) write(3,'(A6)') Direct do i=1, nn write(3,100) (pos(i,j),j=1,3) enddo C%%%%%%% end |
4Â¥2011-04-12 10:27:42
¡ï
sunyang1988(½ð±Ò+1): ллÌáʾ 2011-04-10 00:04:45
·çÓêͬÖÜ113(½ð±Ò+2): 2011-04-10 12:53:42
sunyang1988(½ð±Ò+1): ллÌáʾ 2011-04-10 00:04:45
·çÓêͬÖÜ113(½ð±Ò+2): 2011-04-10 12:53:42
|
´ò¿ªÖ¸ÄÏ,¼ô/ÌùÒ»ÏÂdefvector.f,±àÒë. »ò Ö±½Ó¸øºî²©Ê¿·¢ÓʼþË÷È¡. |
2Â¥2011-04-09 23:40:39
cavediger
½ð³æ (ÕýʽдÊÖ)
- 1STÇ¿Ìû: 9
- Ó¦Öú: 6 (Ó×¶ùÔ°)
- ½ð±Ò: 709
- Ìû×Ó: 545
- ÔÚÏß: 230.2Сʱ
- ³æºÅ: 1255502
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zzy870720z(½ð±Ò+1): ллÌáʾ 2011-04-10 09:57:32
·çÓêͬÖÜ113(½ð±Ò+2): 2011-04-10 12:53:58
zzy870720z(½ð±Ò+1): ллÌáʾ 2011-04-10 09:57:32
·çÓêͬÖÜ113(½ð±Ò+2): 2011-04-10 12:53:58
| ÄÚÈÝÒÑɾ³ý |
3Â¥2011-04-10 09:39:06
ufo991
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- Ó¦Öú: 0 (Ó×¶ùÔ°)
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5Â¥2012-05-30 10:31:31
6Â¥2012-06-07 06:00:01
ufo991
Ìú³æ (ÕýʽдÊÖ)
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- Ó¦Öú: 0 (Ó×¶ùÔ°)
- ½ð±Ò: 1148.3
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- ³æºÅ: 671678
7Â¥2012-06-11 09:02:45
ufo991
Ìú³æ (ÕýʽдÊÖ)
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- Ó¦Öú: 0 (Ó×¶ùÔ°)
- ½ð±Ò: 1148.3
- Ìû×Ó: 358
- ÔÚÏß: 104.6Сʱ
- ³æºÅ: 671678
8Â¥2012-06-11 09:27:11
¡ï
Сľ³æ: ½ð±Ò+0.5, ¸ø¸öºì°ü£¬Ð»Ð»»ØÌû
Сľ³æ: ½ð±Ò+0.5, ¸ø¸öºì°ü£¬Ð»Ð»»ØÌû
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ÎÒÓм¸¸ö²»Ã÷°×µÄµØ·½£¬Ï£Íû´ó¼Ò°ïÎÒ½âÊÍһϣ¡ C%%%%%%%%% Define the strain %%%%%%%%%%%%%% strain(1)=0.0 strain(2)=delta strain(3)=delta strain(4)=0.0 strain(5)=0.0 strain(6)=0.0¶¨ÒåµÄÕâÁù¸öÓ¦±ä1-3ÊÇÖ÷Ó¦±ä£¨¦Åx£¬¦Åy£¬¦Åz£©£¬4-6ÊÇÇÐÓ¦±ä(¦Åyz£¬¦Åzx£¬¦Åxy)Â𣿠C%%%%%%%%% Define the strain tensor %%%%%%%%%%%%%%%%%%%%%%%% strten(1,1)=strain(1)+1.0 strten(1,2)=0.5*strain(6) strten(1,3)=0.5*strain(5) strten(2,1)=0.5*strain(6) strten(2,2)=strain(2)+1.0 strten(2,3)=0.5*strain(4) strten(3,1)=0.5*strain(5) strten(3,2)=0.5*strain(4) strten(3,3)=strain(3)+1.0 strten(1,1)=¦Åx,¼ÓÉÏ1.0ÊÇʲôÒâ˼£¿ ÁíÍ⣬C%%%%%%%%% Transform the primitive vector to the new vector under strain%%%%% C strvect(i,j)=privect(i,j)*(I+strten(i,j)) ÔÚÕâ¸öµØ·½£¬C±íʾºóÃæµÄÕâÒ»²¿·Ö²»Ö´ÐÐÂð£¿ÆäÖеÄI´ú±íʲôÒâ˼£¿ Íû´ó¼Ò¸øµã¼û½â£¡ |
9Â¥2012-10-12 16:27:04
10Â¥2012-10-22 11:12:37
11Â¥2014-06-20 01:23:51
12Â¥2015-04-16 16:31:14
13Â¥2015-12-01 16:20:29
14Â¥2015-12-01 16:21:54
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16Â¥2021-01-30 10:42:32
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