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senior-design/super-grimace/superGrimace 2.m
asc 5bacd30bad reorganize file structure
2010-04-17 12:00:00 -05:00

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Matlab
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%superGrimace
%all alfas in DEGREES!
%by ascorrea, with help from Jacob Huffman and Omkar Shetty
%"filler" variable just makes it easier to switch between Ronald and Grimace
function superGrimace(paramfile, pranformfile, pranformConstraint)
testrange={'20'};
for testnumber=1:length(testrange)
prefix='FDR0';
name=strcat(prefix, testrange{testnumber});
paramfile=strcat(name, '.param');
pranformfile=strcat(name, '.plan', '');
fprintf('%s \n', name)
%LOCATIONS--------------------------------------------------------------]
rootLOCATION='/Users/anthonyscorrea/Documents/MATLAB/AE441 - Home Edition/Matlab Code';
airfoilLOCATION='/Users/anthonyscorrea/Documents/MATLAB/AE441 - Home Edition/Airfoils';
pranformLOCATION='/Users/anthonyscorrea/Documents/MATLAB/AE441 - Home Edition/Planforms';
pranformConstraintLOCATION='/Users/anthonyscorrea/Documents/MATLAB/AE441 - Home Edition/Planform Constraints';
paramLOCATION='/Users/anthonyscorrea/Documents/MATLAB/AE441 - Home Edition/Parameter Files';
outputsLOCATION='/Users/anthonyscorrea/Documents/MATLAB/AE441 - Home Edition/superGrimace Outputs';
%-----------------------------------------------------------------------]
spanwiseresolution=50;
chordwiseresolution=100;
cd(paramLOCATION);
[variablenames, variablevalues]=textread(paramfile, '%s %f');
cd(pranformLOCATION)
[spans, chords, offsets, airfoil]=textread(pranformfile, '%f %f %f %s');
cd(pranformConstraintLOCATION)
[spansCONST, chordsCONST, offsetsCONST, heightCONST]=textread(pranformConstraint, '%f %f %f %f');
cd(rootLOCATION)
for k = 1:length(variablenames)
eval([variablenames{k} '= variablevalues(k);']);
end
cd(airfoilLOCATION)
[surfplotY surfplotX thicknessplot]=findthicknessplot(airfoil, chords, spans, offsets, spanwiseresolution, chordwiseresolution);
[wakeplot]=findwakeplot(chords, spans, alt_cruise, M_cruise, laminarflow_cruise, fuse_width, spanwiseresolution, chordwiseresolution);
plotitle=regexprep(pranformfile, '.plan', '');
cd(outputsLOCATION)
% clf
% hold on
% surf(surfplotY, -surfplotX, thicknessplot, 'LineStyle', 'none')
% surf(-surfplotY,-surfplotX, thicknessplot, 'LineStyle', 'none')
% title(plotitle)
% axis off
% axis equal
% colorbar
% view(2)
% filename=regexprep(pranformfile, '.plan', '_surfacev1.tiff');
% print (gcf, '-dtiff', filename)
% clf
% hold on
% surf(surfplotY, surfplotX, thicknessplot, 'LineStyle', 'none')
% surf(-surfplotY, surfplotX, thicknessplot, 'LineStyle', 'none')
% axis equal
% axis off
% colorbar
% view(3)
% title(plotitle)
% filename=regexprep(pranformfile, '.plan', '_surfacev2.tiff');
% print (gcf, '-dtiff', filename)
clf
hold on
surf(surfplotY, -surfplotX, wakeplot, 'LineStyle', 'none')
surf(-surfplotY,-surfplotX, wakeplot, 'LineStyle', 'none')
title(plotitle)
axis off
axis equal
colorbar
view(2)
filename=regexprep(pranformfile, '.plan', '_BLthicknessv1.tiff');
print (gcf, '-dtiff', filename)
clf
hold on
surf(-surfplotY, -surfplotX, wakeplot, 'LineStyle', 'none')
surf(-surfplotY, -surfplotX, wakeplot, 'LineStyle', 'none')
axis off
axis([-80 80 -160 0 0 1])
colorbar
view(3)
title(plotitle)
filename=regexprep(pranformfile, '.plan', '_BLthicknessv2.tiff');
print (gcf, '-dtiff', filename)
axis equal
axis off
hold off
cd(rootLOCATION)
end
clc
fprintf('You are welcome\n')
end
function [plotLE plotTE]=plotpranform(spans, chords, offsets, n)
Chords = findChords(n, chords, spans);
%plot planform
for i = 1:(size(chords)-1)
dist=0;
for j = 1:n
dist = (spans(i+1)-spans(i))./n;
if i==1
xplotLE(i,j+1)=spans(1)+dist*(j);
else
xplotLE(i,1)=xplotLE(i-1,end);
xplotLE(i,j+1)=xplotLE(i-1,end)+dist*(j);
end
fitX(1)=spans(i);
fitX(2)=spans(i+1);
fitY(1)=offsets(i);
fitY(2)=offsets(i+1);
a = polyfit(fitX, fitY,1);
yplotLE(i,j) = a(1)*xplotLE(i,j)+a(2);
end
end
plotLE=zeros(1,2);
plotTE=zeros(1,2);
for i=1:(size(chords)-1)
for j=1:n
plotLE=[plotLE; xplotLE(i,j) -yplotLE(i,j)];
plotTE=[plotTE; xplotLE(i,j) -(yplotLE(i,j)+Chords(i,j))];
end
end
plotTE(1,:)=[];
plotLE(1,:)=[];
end
function [plotLE plotTE]=plotconstraint(spans, chords, offsets, n)
%plot constraint
for i = 1:(size(chords)-1)
for j = 1:n
dist = (spans(i+1)-spans(i))./n;
if i==1
xplotLE(i,j+1)=spans(1)+dist*(j);
else
xplotLE(i,1)=xplotLE(i-1,end);
xplotLE(i,j+1)=xplotLE(i-1,end)+dist*(j);
end
yplotLE(i,j) = offsets(i+1);
end
end
plotLE=zeros(1,2);
plotTE=zeros(1,2);
for i=1:(size(chords)-1)
for j=1:n
plotLE=[plotLE; xplotLE(i,j) -yplotLE(i,j)];
plotTE=[plotTE; xplotLE(i,j) (-yplotLE(i,j)-chords(i+1))];
end
end
plotTE(1,:)=[];
plotLE(1,:)=[];
end
function plotThick=plotThick(spans, chords, offsets, airfoil, h, n)
n=n/10;
Chords = findChords(n, chords, spans);
plotThickLE=zeros(1,2);
plotThickTE=zeros(1,2);
for i = 1:(size(chords)-1)
for j = 1:n
Chords(i,j);
dist = (spans(i+1)-spans(i))./n;
if i==1
xplotLE(i,j+1)=spans(1)+dist*(j);
else
xplotLE(i,1)=xplotLE(i-1,end);
xplotLE(i,j+1)=xplotLE(i-1,end)+dist*(j);
end
fitX(1)=spans(i);
fitX(2)=spans(i+1);
fitY(1)=offsets(i);
fitY(2)=offsets(i+1);
a = polyfit(fitX, fitY,1);
yplotLE(i,j) = a(1)*xplotLE(i,j)+a(2);
chordloc=linspace(0, Chords(i,j));
for k=1:length(chordloc)-1
thicknessLE(k)=findthickness(airfoil{i}, Chords(i,j), chordloc(k));
clc
fprintf('%g:%u:%u:%u/%g:%u:%u:%u',h,i,j,k,h,(length(chords)-1),n,(length(chordloc)-1))
if thicknessLE(k)>=h
plotThickLE=[plotThickLE; xplotLE(i,j) -(chordloc(k)+yplotLE(i,j))];
break
end
end
for k=1:length(chordloc)-1
thicknessTE(k)=findthickness(airfoil{i}, Chords(i,j), chordloc(length(chordloc)-k));
if thicknessTE(k)>=h
plotThickTE=[plotThickTE; xplotLE(i,j) -(chordloc(length(chordloc)-k)+yplotLE(i,j))];
break
end
end
end
end
plotLE=zeros(1,2);
plotTE=zeros(1,2);
for i=1:(size(chords)-1)
for j=1:n
plotLE=[plotLE; xplotLE(i,j) -yplotLE(i,j)];
plotTE=[plotTE; xplotLE(i,j) -(yplotLE(i,j)+Chords(i,j))];
end
end
plotTE(1,:)=[];
plotLE(1,:)=[];
plotThickLE(1,:)=[];
plotThickTE(1,:)=[];
plotThick=[plotThickLE; flipud(plotThickTE)];
end
function thickness=findthickness(airfoil, Chord, xLoc)
Airfoil = load(airfoil);
Airfoil = Airfoil*Chord;
% blah....goodnight
AirfoilX=Airfoil(:,1);
[min_diff, k]=min(abs(AirfoilX));
for j=1:k
AirfoilYupper(j)=Airfoil(j,2);
AirfoilXupper(j)=Airfoil(j,1);
end
for j=1:length(Airfoil)-k
AirfoilYlower(j)=Airfoil(length(Airfoil)-(j-1), 2);
AirfoilXlower(j)=Airfoil(length(Airfoil)-(j-1), 1);
end
AirfoilYupper=fliplr(AirfoilYupper);
AirfoilXupper=fliplr(AirfoilXupper);
AirfoilYlower=fliplr(AirfoilYlower);
AirfoilXlower=fliplr(AirfoilXlower);
AirfoilYlower=[0 AirfoilYlower];
AirfoilXlower=[0 AirfoilXlower];
[min_diff, k]=min(abs(AirfoilX));
[min_diff, kU]=min(abs(AirfoilXupper-xLoc));
[min_diff, kL]=min(abs(AirfoilXlower-xLoc));
if xLoc<AirfoilXupper(kU)
xFitU(1)=AirfoilXupper(kU-1);
xFitU(2)=AirfoilXupper(kU);
yFitU(1)=AirfoilYupper(kU-1);
yFitU(2)=AirfoilYupper(kU);
else
xFitU(1)=AirfoilXupper(kU);
xFitU(2)=AirfoilXupper(kU+1);
yFitU(1)=AirfoilYupper(kU);
yFitU(2)=AirfoilYupper(kU+1);
end
if xLoc<AirfoilXlower(kL)
xFitL(1)=AirfoilXlower(kL-1);
xFitL(2)=AirfoilXlower(kL);
yFitL(1)=AirfoilYlower(kL-1);
yFitL(2)=AirfoilYlower(kL);
else
xFitL(1)=AirfoilXlower(kL);
xFitL(2)=AirfoilXlower(kL+1);
yFitL(1)=AirfoilYlower(kL);
yFitL(2)=AirfoilYlower(kL+1);
end
aU = polyfit(xFitU, yFitU,1);
aL = polyfit(xFitL, yFitL,1);
% yplotLE(i,j) = a(1)*xplotLE(i,j)+a(2);
% thickness = AirfoilYupper(xLoc_indu)-AirfoilYlower(xLoc_indl);
thickness = (aU(1)*xLoc+aU(2))-(aL(1)*xLoc+aL(2));
end
function Chords = findChords( n, Chord, X )
for( i = 1:(length(Chord)-1) )
Xtemp = linspace(X(i),X(i+1),n);
Chords(i,:) = (Chord(i+1)-Chord(i))./(X(i+1)-X(i)).*(Xtemp-X(i))+Chord(i);
end
end
function [plotY plotX thicknessplot]=findthicknessplot(airfoil, chords, spans, offsets, n, reso)
Chords = findChords(n, chords, spans);
thicknessplot=zeros(reso-1,1);
plotX=zeros(reso-1,1);
plotY=zeros(reso-1,1);
jcount=0;
for i=1:(size(chords)-1)
for j = 1:n
% wakecoord(j,:)=linspace(0, Chords(i,j), n);
dist = (spans(i+1)-spans(i))./n;
y(j)=spans(i)+j*dist;
if i==1
xplotLE(i,j+1)=spans(1)+dist*(j);
else
xplotLE(i,1)=xplotLE(i-1,end);
xplotLE(i,j+1)=xplotLE(i-1,end)+dist*(j);
end
fitX(1)=spans(i);
fitX(2)=spans(i+1);
fitY(1)=offsets(i);
fitY(2)=offsets(i+1);
a = polyfit(fitX, fitY,1);
yplotLE(i,j) = a(1)*xplotLE(i,j)+a(2);
x=linspace(0, Chords(i,j),reso);
for k = 1:length(x)-1
%
% thickness(k,j)=findthickness(airfoil{i}, Chords(i,j), x(k));
end
wakeX(k,j)=x(k)+yplotLE(i,j);
wakeY(k,j)=y(j);
for k = 1:length(x)-1
wakeX(k,j)=x(k)+yplotLE(i,j);
wakeY(k,j)=y(j);
end
% thicknessplot=[thicknessplot, thickness];
plotX=[plotX, wakeX];
plotY=[plotY, wakeY];
end
fprintf('Thickness plot: %6.2f percent complete\n', 100*(i+.1*j)/((length(chords)-1)+ n*.1))
end
thicknessplot(:,1)=[ ];
plotX(:,1)=[ ];
plotY(:,1)=[ ];
flipud(thicknessplot);
end
function [q v_fps dynvisc]=findconstants(alt, v_mach)
if alt < 36152
temp=59-.00356*alt;
press=2116*((temp+459.7)/518.6)^5.256;
elseif alt < 82345
temp=-70;
press=473.1*exp(1.73-.000048*alt);
else
print('Program Not Valid for given altitude')
end
%slpcuft: clugs ber cubic foot
density_slpcuft=press/(1718*(temp+459.7));
v_fps=v_mach*sqrt(1.4*1718*(temp+459.7));
q=finddynpress(alt, v_mach);
S = 110.4;
beta = 1.458e-6;
temp_k=[(temp-32) / (1.8)] + 273 ;
viscosity_pascalseconds = (beta*temp_k^(1.5))/(temp_k+S);
%kgpmcu:kilograms per meter cubed
%msqpse:meters squared per second
%sqftpsec:square feet per second
density_kgpmcu=density_slpcuft*515.4;
dynamic_viscosity_msqpsec=viscosity_pascalseconds/density_kgpmcu;
dynamic_viscosity_sqftpsec=dynamic_viscosity_msqpsec*10.76;
dynvisc=dynamic_viscosity_sqftpsec;
density=density_slpcuft;
end
function [wakeplot]=findwakeplot(chords, spans, alt, v_mach, laminarflow, width, n, reso)
[q v_fps dynvisc]=findconstants(alt, v_mach);
Chords = findChords(n, chords, spans);
wakeplot=zeros(reso,1);
width=width/2;
for i=1:1:(size(chords)-1)
dist=(spans(i+1)-spans(i))/n;
for j = 1:n
if (spans(i)+dist*j)>width
lam=laminarflow;
else
lam=laminarflow-.15;
end
x=linspace(0, Chords(i,j),reso);
for k = 1:length(x)
if (k <= 100*lam)
delta_x=( 5.2 * x(k) )*(v_fps*x(k)/dynvisc)^-0.5;
wake(k,j)= delta_x;
else %if turbulent
x_tr=x(100*lam);
Re_xtr = v_fps * x_tr / dynvisc;
delta_xtr=(5.2*x_tr)*(v_fps*x(k)/dynvisc)^-(0.5);
delta_l = ((delta_xtr*((v_fps)^0.2))/(0.37*((dynvisc)^0.2)))^(1/0.8);
lt = x(k) - x_tr + delta_l;
Re_lt = v_fps * lt / dynvisc;
delta = 0.37 * lt /(Re_lt)^0.2;
wake(k,j) = delta;
end
end
wakeplot=[wakeplot, wake];
end
fprintf('Wake plot: %6.2f percent complete\n', 100*(i+.1*j)/((length(chords)-1)+ n*.1))
end
wakeplot(1,:)=[];
wakeplot(:,1)=[ ];
flipud(wakeplot);
end
function q=finddynpress(alt, v_mach)
if alt < 36152
temp=59-.00356*alt;
press=2116*((temp+459.7)/518.6)^5.256;
elseif alt < 82345
temp=-70;
press=473.1*exp(1.73-.000048*alt);
else
print('Program Not Valid for given altitude')
end
%slpcuft: clugs ber cubic foot
density_slpcuft=press/(1718*(temp+459.7));
v_fps=v_mach*sqrt(1.4*1718*(temp+459.7));
q=.5*density_slpcuft*v_fps^2;
end
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