how to plot individual particle velocites in a closed space

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bharathi Dasari 2019-10-16

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https://ww2.mathworks.cn/matlabcentral/answers/485686-how-to-plot-individual-particle-velocites-in-a-closed-space

回答： darova 2019-10-16

i had some spherical particles which will be moving with time i had the velocity data but to plot contour i need to assign to grid how to do this

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Sulaymon Eshkabilov 2019-10-16

Describe your data: which column is what and which column is your time//velocity//coordinates, etc or you have formulation to compute your velocity from your atatched data?

bharathi Dasari 2019-10-16

xx,yy are x and y locations and at the starting real time tells at what time step we are ,velocity components is not there in that data. i dont have any

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darova 2019-10-16

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https://ww2.mathworks.cn/matlabcentral/answers/485686-how-to-plot-individual-particle-velocites-in-a-closed-space#answer_396673

在 MATLAB Online 中打开

Here is what i invented

clc,clear
A = readtable('ploc.txt');
A1 = A;
k = 1;
for i = 0:10
    ii = (1:561) + 561*i;
    A1(ii,:) = A(ii+k,:);               % read only with numbers
    k = k + 2;
end
A2 = table2array(A1);                   % convert table to array
A3 = zeros(length(A2),5);
for i = 1:length(A2)
    A3(i,:) = str2num(A2{i});           % convert cell/str to number
end
cla
hold on
for i = 0:10
    ii = (1:561) +i*561;
    x = A3(ii,2);
    y = A3(ii,3);
    plot(x,y,'.r')                      % draw particles
    pause(0.5)
end
hold off