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lsloneil
ר¼Ò¹ËÎÊ (ÕýʽдÊÖ)
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ר¼Ò¾Ñé: +49 - Ä£ÄâEPI: 2
- Ó¦Öú: 148 (¸ßÖÐÉú)
- ½ð±Ò: 8640.9
- É¢½ð: 507
- ºì»¨: 30
- Ìû×Ó: 505
- ÔÚÏß: 598.4Сʱ
- ³æºÅ: 556471
- ×¢²á: 2008-05-11
- ÐÔ±ð: GG
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ÎÒûÓùýNAMD£¬Ò²Ã»ÓùýAdaptive Biasing Force (ABF)¼ÆËã¹ýPMF£¬ÒÔϽöΪÎÒ¸öÈ˵ĽâÊÍ,¿ÉÄܲ»Ì«ÑϽ÷¡£ ¸ù¾ÝÎÒµÄÀí½â£¬ABF¸úmetadynamicsÓÐЩÀàËÆ£¬Ò²ÊÇÒ»ÖÖÔöÇ¿³éÑù(enhanced sampling£©µÄ·½·¨¡£ÆäʵÏÖ·½·¨ÊÇÔÚÄ£Äâ¹ý³ÌÖÐÊ©¼Óbiasing force£¬Öð½¥°ÑÁ£×Ó´ÓÊÆÄÜÃæÉϵĿÓÖÐÀ³öÀ´¡£µ±ÊÆÄÜÃæÉϵĿӱ»ÌîÆ½ºó£¬Á£×ÓÏ൱ÓÚÔÚÒ»¸öÑØ·´Ó¦×ø±ê×ÔÓÉÄÜ´¦´¦ÏàµÈµÄÊÆÄÜÃæÉÏÔ˶¯£¬Õâʱ²ÉÑù¿ÉÒÔÈÏΪÊÕÁ²ÁË£¬¾Í¿ÉÒÔ¸ù¾Ýbiasing forceÇó³öPMF¡£ ÎÒÏëÄã¹ØÓÚÊÕÁ²µÄÅоݿÉÄÜÊÇÀ´×ÔÕâ¸öÎĵµ£º http://www.ks.uiuc.edu/Training/ ... nel/channel-tut.pdf ÀïÃæÌáµ½ÈýÖÖÅжÏÊÕÁ²µÄ·½·¨ 1. One way to assess convergence is to plot sequential PMFs and observe any changes as the simulation progresses Õâ¾ÍÊÇÎÒ֮ǰ»ØÌûÌáµ½µÄÅоݣ¬¶àÅÜÒ»¶Îʱ¼ä£¬¹Û²ìPMFµÄ±ä»¯¡£ 2. You can also plot the counts, which measure the number of times each bin has been sampled. ÕâÌõÒ²²»ÄÑÀí½â£¬µ±²ÉÑùÊÕÁ²ºó£¬Á£×ÓÔÚÒ»¸ö×ÔÓÉÄÜ´¦´¦ÏàµÈµÄÊÆÄÜÃæÉÏÔ˶¯£¬ÄÇôÔÚ·´Ó¦×ø±êΪÈκÎÖµ´¦³öÏֵĸÅÂÊÊǾùµÈµÄ£¬ËùÒÔ¼ÙÈçÄã°ÑÌåϵ´¦ÓÚ¸÷¸ö·´Ó¦×ø±ê(each bin along the reaction coordinate£©µÄƵÂÊ»³öÀ´µÄ»°£¬µÃµ½µÄÊÇÒ»¸ö¾ùÔȵķֲ¼¡£ 3. As another way to judge convergence, you can plot the forces stored in the *.grad files for all windows, checking for continuity across the window boundaries. ÕâÒ²²»ÊÇÌ«ÄÑÀí½â¡£ÎªÁË·½±ã²ÉÑùÎÒÃǰÑÕû¸ö·´Ó¦×ø±ê»®·Ö³ÉÁ˼¸¸ö´°¿Ú¡£ÒòΪPMFÊÇÁ¬Ðøº¯Êý£¬Ëù¶ÔÓ¦µÄÁ¦£¨PMFµÄµ¼Êý)Ó¦¸ÃÒ²ÊÇÁ¬Ðøº¯Êý£¬ÄÇôµ±²ÉÑùÊÕÁ²ºó£¬Õâ¸öÁ¦ÔÚÿÏàÁÚÁ½¸ö´°¿ÚµÄ½»½ç´¦Ó¦¸ÃÊÇÁ¬ÐøµÄ¡£ ¸Ð¾õÄã¶ÔÕâÖÖ·½·¨µÄÔÀí»¹ÊDz»Ì«Á˽⡣½¨ÒéÄãÓÐʱ¼äµÄ»°£¬ÔĶÁÒ»ÏÂÏà¹ØµÄÎÄÏ×£¬ÉîÈëÁ˽âÒ»ÏÂABFµÄÔÀí¡£ |
6Â¥2015-03-24 09:12:39
lsloneil
ר¼Ò¹ËÎÊ (ÕýʽдÊÖ)
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- É¢½ð: 507
- ºì»¨: 30
- Ìû×Ó: 505
- ÔÚÏß: 598.4Сʱ
- ³æºÅ: 556471
- ×¢²á: 2008-05-11
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yylcx(abinitio´ú·¢): ½ð±Ò+20, ¹ÄÀø½»Á÷. Õý½â 2015-03-20 08:00:26
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yylcx(abinitio´ú·¢): ½ð±Ò+20, ¹ÄÀø½»Á÷. Õý½â 2015-03-20 08:00:26
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3Â¥2015-03-19 14:37:55
lsloneil
ר¼Ò¹ËÎÊ (ÕýʽдÊÖ)
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ר¼Ò¾Ñé: +49 - Ä£ÄâEPI: 2
- Ó¦Öú: 148 (¸ßÖÐÉú)
- ½ð±Ò: 8640.9
- É¢½ð: 507
- ºì»¨: 30
- Ìû×Ó: 505
- ÔÚÏß: 598.4Сʱ
- ³æºÅ: 556471
- ×¢²á: 2008-05-11
- ÐÔ±ð: GG
- רҵ: ÀíÂۺͼÆË㻯ѧ
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