Files
CFDEMcoupling-PFM/tutorials/rcfdemSolverCoupledHeatTransfer/FluidizedBed_HeatSources/db2/DEM/analyzeHistogram.m

76 lines
1.6 KiB
Matlab

fname='temp_histo_fine.txt';
% number of header lines
nheader=4;
inputarr = dlmread(fname,'' ,nheader,0);
% number of time steps
ntimes = 1000;
% number of bins
nbins = 224;
dt = 1.0;
lowerbound = 1;
upperbound = lowerbound + nbins - 1;
fid0 = fopen(strcat('stat_',fname), 'w');
fprintf(fid0,'# time index || ave || std || maximum || FWHF\n');
for i=0:ntimes
maxval = 0.0;
for j= lowerbound:upperbound
if(inputarr(j,3) > maxval)
maxval = inputarr(j,3);
end
end
hm = 0.5*maxval
lower = 0.0;
upper = 0.0;
mean = 0.0;
meansqr = 0.0;
counter = 0;
for j = lowerbound:upperbound-1
if(inputarr(j,3) < hm && inputarr(j+1,3) >= hm)
lower = 0.5*(inputarr(j,2)+inputarr(j+1,2));
j
hm
inputarr(j,3)
inputarr(j+1,3)
lower
% lower = inputarr(j,2) + (inputarr(j+1,2) - inputarr(j,2)) * (hm - inputarr(j,3)) / (inputarr(j+1,3) - inputarr(j,3));
end
if(inputarr(j,3) > hm && inputarr(j+1,3) <= hm)
upper = 0.5*(inputarr(j,2)+inputarr(j+1,2));
%upper = inputarr(j+1,2) - (inputarr(j+1,2) - inputarr(j,2)) * (hm - inputarr(j+1,3)) / (inputarr(j,3) - inputarr(j+1,3));
end
mean = mean + inputarr(j,2) * inputarr(j,3);
meansqr = meansqr + inputarr(j,2)^2 * inputarr(j,3);
counter = counter + inputarr(j,3);
end
mean = mean/double(counter);
std = meansqr/double(counter) - mean^2;
std = sqrt(std);
fwhm = upper - lower;
upper
lower
if(i>0)
fprintf(fid0,'%f\t%f\t%f\t%f\t%f\n',i*dt,mean,std,maxval,fwhm);
end
lowerbound = upperbound + 2;
upperbound = lowerbound + nbins - 1;
end
fclose(fid0);