Pmax=max(Pturb_T); Pmin=min(Pturb_T); Pmedia=mean(Pturb_T); if Pmin>0 PRF=(Pmax-Pmin)/Pmedia; else PRF=(Pmax+Pmin)/Pmedia; end
disp('Il PRF è'), disp(PRF)
APPENDICE B
“Script” Matlab per il calcolo del profilo medio di velocità in un
periodo d’onda
clear all, close all, clc
%% Dati input
f=4; % frequenza di campionamento nell'export di fluent
Nt=80; % numero di timestep equivalente a un periodo d'onda
n_camp=Nt/f; % numero di campionamenti fatti (ogni 4 ts)
%% Importazione dei file ASCII.
% Import v-y0-1d-6604.
v_4 = '/Users/Mattia/Desktop/Tesi/Rendering/H02_T2_i050/v-y0-1d/v-y0-1d- 6604.txt';
format = '%f %f';
file4 = fopen(v_4,'r');
dataArray = textscan(file4, format); fclose(file4); v4 = sortrows([dataArray{1:end}],1); % Import v-y0-1d-6608. v_8 = '/Users/Mattia/Desktop/Tesi/Rendering/H02_T2_i050/v-y0-1d/v-y0-1d- 6608.txt'; format = '%f %f'; file8 = fopen(v_8,'r');
v8 = sortrows([dataArray{1:end}],1); % Import v-y0-1d-6612. v_12 = '/Users/Mattia/Desktop/Tesi/Rendering/H02_T2_i050/v-y0-1d/v-y0-1d- 6612.txt'; format = '%f %f'; file12 = fopen(v_12,'r');
dataArray = textscan(file12, format); fclose(file12); v12 = sortrows([dataArray{1:end}],1); % Import v-y0-1d-6616. v_16 = '/Users/Mattia/Desktop/Tesi/Rendering/H02_T2_i050/v-y0-1d/v-y0-1d- 6616.txt'; format = '%f %f'; file16 = fopen(v_16,'r');
dataArray = textscan(file16, format); fclose(file16); v16 = sortrows([dataArray{1:end}],1); % Import v-y0-1d-6620. v_20 = '/Users/Mattia/Desktop/Tesi/Rendering/H02_T2_i050/v-y0-1d/v-y0-1d- 6620.txt'; format = '%f %f'; file20 = fopen(v_20,'r');
dataArray = textscan(file20, format); fclose(file20); v20 = sortrows([dataArray{1:end}],1); % Import v-y0-1d-6624. v_24 = '/Users/Mattia/Desktop/Tesi/Rendering/H02_T2_i050/v-y0-1d/v-y0-1d- 6624.txt'; format = '%f %f'; file24 = fopen(v_24,'r');
dataArray = textscan(file24, format); fclose(file24);
% Import v-y0-1d-6628.
v_28 = '/Users/Mattia/Desktop/Tesi/Rendering/H02_T2_i050/v-y0-1d/v-y0-1d- 6628.txt';
format = '%f %f';
file28 = fopen(v_28,'r');
dataArray = textscan(file28, format); fclose(file28); v28 = sortrows([dataArray{1:end}],1); % Import v-y0-1d-6632. v_32 = '/Users/Mattia/Desktop/Tesi/Rendering/H02_T2_i050/v-y0-1d/v-y0-1d- 6632.txt'; format = '%f %f'; file32 = fopen(v_32,'r');
dataArray = textscan(file32, format); fclose(file32); v32 = sortrows([dataArray{1:end}],1); % Import v-y0-1d-6636. v_36 = '/Users/Mattia/Desktop/Tesi/Rendering/H02_T2_i050/v-y0-1d/v-y0-1d- 6636.txt'; format = '%f %f'; file36 = fopen(v_36,'r');
dataArray = textscan(file36, format); fclose(file36); v36 = sortrows([dataArray{1:end}],1); % Import v-y0-1d-6640. v_40 = '/Users/Mattia/Desktop/Tesi/Rendering/H02_T2_i050/v-y0-1d/v-y0-1d- 6640.txt'; format = '%f %f'; file40 = fopen(v_40,'r');
dataArray = textscan(file40, format); fclose(file40);
v_44 = '/Users/Mattia/Desktop/Tesi/Rendering/H02_T2_i050/v-y0-1d/v-y0-1d- 6644.txt';
format = '%f %f';
file44 = fopen(v_44,'r');
dataArray = textscan(file44, format); fclose(file44); v44 = sortrows([dataArray{1:end}],1); % Import v-y0-1d-6648. v_48 = '/Users/Mattia/Desktop/Tesi/Rendering/H02_T2_i050/v-y0-1d/v-y0-1d- 6648.txt'; format = '%f %f'; file48 = fopen(v_48,'r');
dataArray = textscan(file48, format); fclose(file48); v48 = sortrows([dataArray{1:end}],1); % Import v-y0-1d-6652. v_52 = '/Users/Mattia/Desktop/Tesi/Rendering/H02_T2_i050/v-y0-1d/v-y0-1d- 6652.txt'; format = '%f %f'; file52 = fopen(v_52,'r');
dataArray = textscan(file52, format); fclose(file52); v52 = sortrows([dataArray{1:end}],1); % Import v-y0-1d-6656. v_56 = '/Users/Mattia/Desktop/Tesi/Rendering/H02_T2_i050/v-y0-1d/v-y0-1d- 6656.txt'; format = '%f %f'; file56 = fopen(v_56,'r');
dataArray = textscan(file56, format); fclose(file56);
v56 = sortrows([dataArray{1:end}],1);
v_60 = '/Users/Mattia/Desktop/Tesi/Rendering/H02_T2_i050/v-y0-1d/v-y0-1d- 6660.txt';
format = '%f %f';
file60 = fopen(v_60,'r');
dataArray = textscan(file60, format); fclose(file60); v60 = sortrows([dataArray{1:end}],1); % Import v-y0-1d-6644. v_64 = '/Users/Mattia/Desktop/Tesi/Rendering/H02_T2_i050/v-y0-1d/v-y0-1d- 6664.txt'; format = '%f %f'; file64 = fopen(v_64,'r');
dataArray = textscan(file64, format); fclose(file64); v64 = sortrows([dataArray{1:end}],1); % Import v-y0-1d-6668. v_68 = '/Users/Mattia/Desktop/Tesi/Rendering/H02_T2_i050/v-y0-1d/v-y0-1d- 6668.txt'; format = '%f %f'; file68 = fopen(v_68,'r');
dataArray = textscan(file68, format); fclose(file68); v68 = sortrows([dataArray{1:end}],1); % Import v-y0-1d-6672. v_72 = '/Users/Mattia/Desktop/Tesi/Rendering/H02_T2_i050/v-y0-1d/v-y0-1d- 6672.txt'; format = '%f %f'; file72 = fopen(v_72,'r');
dataArray = textscan(file72, format); fclose(file72);
v72 = sortrows([dataArray{1:end}],1);
format = '%f %f';
file76 = fopen(v_76,'r');
dataArray = textscan(file76, format); fclose(file76); v76 = sortrows([dataArray{1:end}],1); % Import v-y0-1d-6644. v_80 = '/Users/Mattia/Desktop/Tesi/Rendering/H02_T2_i050/v-y0-1d/v-y0-1d- 6680.txt'; format = '%f %f'; file80 = fopen(v_80,'r');
dataArray = textscan(file80, format); fclose(file80);
v80 = sortrows([dataArray{1:end}],1);
% Creo una matrice unica e poi tolgo le colonne z
z=v4(:,1); v=[v4,v8,v12,v16,v20,v24,v28,v32,v36,v40,v44,v48,v52,v56,v60,v64,v68,v72, v76,v80]; for i=1:n_camp Ux(:,i)=v(:,2*i); end
%% Calcolo della velocità media per ogni coordinata e grafico
U=mean(Ux, 2); figure(1)
plot(U, z), title('Profilo di velocità-x mediato su un periodo di onda') xlabel('Ux'), ylabel('z'), grid on
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