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[ÇóÖú] Çó¾È£¬ÈçºÎ½«xyz¸ñʽµÄÎļþת»¯Îª¿ÉÒÔÈÃlammps¶ÁµÄdataÎļþ£¬Çó´óÉñ£¬¸Ð¼¤²»¾¡ ¡£ ÒÑÓÐ2È˲ÎÓë

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bluewhale

Ìú¸Ëľ³æ (ÕýʽдÊÖ)

ÒýÓûØÌû:
7Â¥: Originally posted by Çà´ºåÐÒ£°¡ at 2015-12-08 09:12:52
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xyz2lmp.m
--------------
function xyz2lmp(f_xyz)
% This script converts .xyz file to lammps data file.
% Input:
%   f_xyz: name of the input .xyz file.
% Example:
%   xyz2lmp('PdAu.xyz')
% NOTE: The second line must be in specified format as:
%   PdAu xlo xhi ylo yhi zlo zhi
% Poweed by Xianbao Duan
% Email: xianbao.d@gmail.com
% Website: http://www.52souji.net/

% open the .xyz file
fidin = fopen(f_xyz,'r');
if fidin == -1
    error('Failed to open the file. Please check!');
end

% number of all the atoms
atom_num_a = fscanf(fidin,'%d');

% comment
comment = textscan(fidin,'%s %f %f %f %f %f %f',1);
xlo = comment{2};
xhi= comment{3};
ylo = comment{4};
yhi= comment{5};
zlo = comment{6};
zhi= comment{7};

% coordinates of the atoms
atoms = textscan(fidin,'%s %f %f %f',atom_num_a);
fclose(fidin);

% initialize
type_name = atoms{1}(1);    % names of types
atom_num(1) = 1;            % atom number of each type

% sort the atoms according to their types
for i = 2: length(atoms{1})
    flag = 0;
    for j = 1:length(type_name)
        if strcmp(atoms{1}(i),type_name(j)) == 1
            atom_num(j) = atom_num(j) + 1;
            flag = 1;
            break;
        end
    end
    if flag == 0
        type_name(end+1) = atoms{1}(i);
        atom_num(end+1) = 1;
    end
end
type_num = length(type_name);

% write the lammps file
outfilename = strrep(f_xyz,'.xyz','.lmp');
fidout = fopen(outfilename, 'w');
new_comment =  ['Converted from .xyz to .lmp @ ',datestr(now) ];
fprintf(fidout,'%s\n\n',new_comment);
fprintf(fidout,'%d \t %s\n',atom_num_a,'atoms');
fprintf(fidout,'%d \t %s\n',type_num,'atom types');
fprintf(fidout,'%f  %f \t%s\n',xlo,xhi,'xlo xhi');
fprintf(fidout,'%f  %f \t%s\n',ylo,yhi,'ylo yhi');
fprintf(fidout,'%f  %f \t%s\n\n',zlo,zhi,'zlo zhi');
fprintf(fidout,'%s\n\n','Atoms');
% the data
for i = 1:length(atoms{1})
    for j = 1:type_num
        if strcmp(atoms{1}(i),type_name(j)) == 1
            fprintf(fidout,'%d \t %d \t %f \t %f \t %f \n',...
                i,j,atoms{2}(i),atoms{3}(i),atoms{4}(i));
            break;
        end
    end
end
fclose(fidout);
8Â¥2015-12-08 11:05:38
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
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luftf

ľ³æ (ÕýʽдÊÖ)

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LAMMPSÊÖ²áÀïÃæÓоßÌåµÄ˵Ã÷
2Â¥2015-12-07 20:16:28
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

cyfjkf

ÖÁ×ðľ³æ (ÖøÃûдÊÖ)

3Â¥2015-12-07 21:18:57
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

bluewhale

Ìú¸Ëľ³æ (ÕýʽдÊÖ)

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4Â¥2015-12-07 23:34:49
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Çà´ºåÐÒ£°¡

гæ (СÓÐÃûÆø)

ÒýÓûØÌû:
2Â¥: Originally posted by luftf at 2015-12-07 20:16:28
Ê×ÏÈÒª¿´ÄãÓÃlammpsÄ£Äâʲô²ÄÁÏ£¬ÓõÄÊ²Ã´ÊÆº¯Êý
dataÎļþµÄ½á¹¹¸úÊÆº¯ÊýÓйØ
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LAMMPSÊÖ²áÀïÃæÓоßÌåµÄ˵Ã÷

ÎÒÏÖÔÚÊÇÓÐÒ»·ÝʯīϩµÄxyzÎļþ£¬ÎÒÐèÒª°ÑËüÉèÖóÉΪlammpsÄܹ»Ê¶±ðµÄdataÎļþ¾Í¿ÉÒÔÁË£¬¡£²»ÖªµÀÓ¦¸ÃÓÃʲô°ì·¨£¿
5Â¥2015-12-08 09:10:26
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Çà´ºåÐÒ£°¡

гæ (СÓÐÃûÆø)

ÒýÓûØÌû:
3Â¥: Originally posted by cyfjkf at 2015-12-07 21:18:57
ÓÃVMDÈí¼þ

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6Â¥2015-12-08 09:11:39
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гæ (СÓÐÃûÆø)

ÒýÓûØÌû:
4Â¥: Originally posted by bluewhale at 2015-12-07 23:34:49
Óлú·Ö×Ó,»¹ÊÇ´¿½ðÊô£¿

¾ÍÊÇÒ»¸öʯīϩµÄ×ø±êÄ£ÐÍ£¬¶¼ÊÇcÔ­×Ó£¬¡£¡£¡£
7Â¥2015-12-08 09:12:52
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

bluewhale

Ìú¸Ëľ³æ (ÕýʽдÊÖ)

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Ϊʲô²»×Ô¼º½¨£º

units metal
boundary        p p p
atom_style      molecular
lattice            custom 2.4595 a1 1  0  0  a2 0 1.73203 0  a3 0.0 0.0 10  basis 0 0 0  basis 0.5 0.16666666666666666 0 basis 0.5 0.5 0 basis 0 0.6666666666666666 0

region box     block 0 80 0 120 -0.5 0.5
create_box     1 box
create_atoms  1 box
region           coldest block INF INF 0 1.5 INF INF
region           hottest block INF INF 60 61.5 INF INF
mass            1    12

pair_style tersoff
pair_coeff * * SiC_1994.tersoff C
9Â¥2015-12-08 13:56:58
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

Çà´ºåÐÒ£°¡

гæ (СÓÐÃûÆø)

ÒýÓûØÌû:
9Â¥: Originally posted by bluewhale at 2015-12-08 13:56:58
Ϊʲô²»×Ô¼º½¨£º

units metal
boundary        p p p
atom_style      molecular
lattice            custom 2.4595 a1 1  0  0  a2 0 1.73203 0  a3 0.0 0.0 10  basis 0 0 0  basis 0.5 0.166666666666666 ...

ÄãÕâ¸öinÎļþÊÇlammps¹ÙÍøµÄÄǸöÀý×Ó°É£¿ÎÒÏÖÔÚ¾ÍÔÚÑо¿Õâ¸öinÎļþ°¡¡£ÎÒÓкܶàÒÉÎÊ£¬Èç¹ûÄã·½±ã£¬¿ÉÒÔ¼ÓÎÒqÏê̸ô£¬287503735 ºÜÐèÒªÄãµÄ°ïÖú£¬Ð»Ð»¡£
10Â¥2015-12-08 23:44:37
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