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baoluolove銅蟲(chóng) (小有名氣)
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[求助]
請(qǐng)問(wèn)編程計(jì)算配位數(shù)時(shí)如何處理周期性邊界條件? 已有1人參與
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| 自己按照老虎大王編程思路嘗試編程計(jì)算了配位數(shù),可是發(fā)現(xiàn)和文獻(xiàn)有一定的出入,想想很有可能是沒(méi)有處理周期性邊界條件,請(qǐng)問(wèn)專(zhuān)家們周期性邊界條件如何在編程中進(jìn)行處理的,十分感謝~ |

專(zhuān)家顧問(wèn) (正式寫(xiě)手)
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專(zhuān)家經(jīng)驗(yàn): +49 |
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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. |
銅蟲(chóng) (小有名氣)

木蟲(chóng) (正式寫(xiě)手)
銅蟲(chóng) (小有名氣)
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