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baoluolove

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lsloneil

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baoluolove: ½ð±Ò+5, ¡ï¡ï¡ïºÜÓаïÖú 2014-07-12 08:39:37
baoluolove: ½ð±Ò+5, ¡ï¡ï¡ï¡ï¡ï×î¼Ñ´ð°¸, ÒѾ­¸ã¶¨À²~ 2014-07-12 09:40:07
ÔÂÖ»À¶: ½ð±Ò+3, Ó¦ÖúÖ¸Êý+1, ¸Ðлָµ¼£¡ 2014-07-16 16:34:48
Assuming the simulation box lengths along x,y,z directions are lx,ly,lz,
you want to calculate the distance between particle i and j while removing the periodic boundary conditions

This is what I did in Fortran

xij = xi - xj - nint((xi-xj)/lx)*lx
yij = yi - yj - nint((yi-yj)/ly)*ly
zij = zi - zj - nint((zi-zj)/lz)*lz
rij = sqrt(xij*xij + yij*yij + zij*zij)


nint is a fortran function that gives the nearest integer of a real number. I'm sure you can find similar functions in C++ or other programing languages.

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3Â¥2014-07-12 00:58:19
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baoluolove

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2Â¥2014-07-11 22:13:59
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baoluolove

Í­³æ (СÓÐÃûÆø)

Ëͺ컨һ¶ä
ÒýÓûØÌû:
3Â¥: Originally posted by lsloneil at 2014-07-12 00:58:19
Assuming the simulation box lengths along x,y,z directions are lx,ly,lz,
you want to calculate the distance between particle i and j while removing the periodic boundary conditions

This is what  ...

Thanks a lot ! Great help for me !
ÎÒ×ܻᵽ´ï(。•¡¦‸¡¦•。)
4Â¥2014-07-12 08:38:44
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ChemiAndy

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ÒýÓûØÌû:
2Â¥: Originally posted by baoluolove at 2014-07-11 02:13:59
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5Â¥2014-07-16 02:10:17
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baoluolove

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ÒýÓûØÌû:
5Â¥: Originally posted by ChemiAndy at 2014-07-16 02:10:17
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6Â¥2014-07-17 10:54:44
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baoluolove

Í­³æ (СÓÐÃûÆø)

ÒýÓûØÌû:
3Â¥: Originally posted by lsloneil at 2014-07-12 00:58:19
Assuming the simulation box lengths along x,y,z directions are lx,ly,lz,
you want to calculate the distance between particle i and j while removing the periodic boundary conditions

This is what  ...

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lsloneil

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7Â¥: Originally posted by baoluolove at 2014-10-08 01:20:13
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7Â¥: Originally posted by baoluolove at 2014-10-08 21:20:13
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