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ustbmars

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yjqqliu

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lei0736(½ð±Ò+1,VIP+0):лл
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2Â¥2008-06-19 16:08:09
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zzg1982

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lei0736(½ð±Ò+2,VIP+0):лл Ê®´ó¡°ÄÍ˼¡±°æÖ÷ÆÀÑ¡»¶Ó­²ÎÓëͶƱ http://edu.emuch.net/bbs/viewthread.php?tid=845527&fpage=1
Êǵġ£¹ØÓÚð¤¶ÈÕâ·½ÃæµÄ¼ÆËãÖµµ½Ä¿Ç°ÎªÖ¹¶¼Ã»ÓÐʲôºÃµÄ·½·¨¡£ÎÒÃÇʵÑéÊÒÓÐ×öð¤¶ÈÄ£ÄâµÄ£¬Óö¯Á¦Ñ§£¬·ÖÎöÐýתʱ¼äÏà¹Øº¯Êý£¬Ö»ÄÜ×ö³öÒ»¸ö±ä»¯Ç÷ÊÆ£¬µ«ÊǾø¶ÔÖµºÍʵÑéµÄ²î±ð½Ï´ó¡£
3Â¥2008-06-19 17:13:02
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yc1986

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lei0736(½ð±Ò+1,VIP+0):лл Ê®´ó¡°ÄÍ˼¡±°æÖ÷ÆÀÑ¡»¶Ó­²ÎÓëͶƱ http://edu.emuch.net/bbs/viewthread.php?tid=845527&fpage=1
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4Â¥2008-06-19 20:41:05
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multiscale

Ìú³æ (³õÈëÎÄ̳)

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lei0736(½ð±Ò+3,VIP+0):лл ¹ÄÀøÐÂÈË Ê®´ó¡°ÄÍ˼¡±°æÖ÷ÆÀÑ¡»¶Ó­²ÎÓëͶƱ http://edu.emuch.net/bbs/viewthread.php?tid=845527&fpage=1
Yes, you can calculate viscosity of liquids by non-equilibrium molecular dynamics. In shear field, shear viscosity equals stress in shear direction and shear gradient direction divides the shear rate (gamma_dot). The viscosity we want is  zero shear viscosity, so we can extrapolate data to gamma_dot=0 to get it. The simulation result can be accurate to the same magnitude of order with experimental result for polymer liquids. For simple liquids, the result will be more accurate.
5Â¥2008-06-20 00:18:02
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ccw531

Ìú³æ (СÓÐÃûÆø)

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lei0736(½ð±Ò+2,VIP+0):лл ¹ÄÀøÐÂÈË Ê®´ó¡°ÄÍ˼¡±°æÖ÷ÆÀÑ¡»¶Ó­²ÎÓëͶƱ http://edu.emuch.net/bbs/viewthread.php?tid=845527&fpage=1
Alternatively, one can use the Green-kubo theory to calculate viscosity of liquids.
6Â¥2008-06-20 00:51:38
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ustbmars

Í­³æ (СÓÐÃûÆø)

Great idea! thanks a lot!
7Â¥2008-06-20 16:31:32
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