| 1 | 
clear path  | 
| 2 | 
 | 
| 3 | 
global Nx Ny Nz | 
| 4 | 
global dx dy | 
| 5 | 
global lat long dz dm mdep | 
| 6 | 
global delt_su su_its t_su delt | 
| 7 | 
global descriptor this_path | 
| 8 | 
global f0 deltaf Q beta r_expt r_heat H | 
| 9 | 
global time rots it | 
| 10 | 
global g Cp rho_bar alpha | 
| 11 | 
global u v t w  | 
| 12 | 
global iteration | 
| 13 | 
 | 
| 14 | 
 | 
| 15 | 
param_file_name =   ... | 
| 16 | 
   input(' Please enter the name of the m-file with the parameters for this run : ','s') ; | 
| 17 | 
feval(param_file_name) ; | 
| 18 | 
 | 
| 19 | 
dz=0.005; | 
| 20 | 
beta=0; | 
| 21 | 
f=f0; | 
| 22 | 
iteration | 
| 23 | 
 | 
| 24 | 
itstart = input(' Please enter start iteration : ','s')  | 
| 25 | 
itend = input(' Please enter end iteration : ','s')  | 
| 26 | 
 | 
| 27 | 
 | 
| 28 | 
sizeit=size(iteration); | 
| 29 | 
for i=1:sizeit(1) | 
| 30 | 
iter(i)=eval(iteration(i,1:10)); | 
| 31 | 
end | 
| 32 | 
nitstart=find(iter==eval(itstart)) | 
| 33 | 
nitend=find(iter==eval(itend)) | 
| 34 | 
 | 
| 35 | 
path   = this_path  | 
| 36 | 
cmdstr=['cd ' path ]; | 
| 37 | 
eval(cmdstr); | 
| 38 | 
path=pwd | 
| 39 | 
 | 
| 40 | 
sumtheta=zeros(Nx,Ny,Nz); | 
| 41 | 
sumu=zeros(Nx,Ny,Nz); | 
| 42 | 
sumv=zeros(Nx,Ny,Nz); | 
| 43 | 
sumw=zeros(Nx,Ny,Nz); | 
| 44 | 
counter=0; | 
| 45 | 
 | 
| 46 | 
for i=nitstart:nitend | 
| 47 | 
 | 
| 48 | 
path   = this_path; | 
| 49 | 
eval(['cd ' path '/it',int2str(iter(i))]); | 
| 50 | 
path=pwd; | 
| 51 | 
 | 
| 52 | 
i,0 | 
| 53 | 
tfn='theta.sun.b'; | 
| 54 | 
ufn='u.sun.b'; | 
| 55 | 
vfn='v.sun.b'; | 
| 56 | 
 | 
| 57 | 
% T (m/s) | 
| 58 | 
t=Readmodel(tfn,[Nx Ny Nz],'float32'); | 
| 59 | 
t=Extract([3 Nx Ny Nz t(5:4+Nx*Ny*Nz)],[1 Nx 1 Ny 1 Nz]); | 
| 60 | 
t=reshape(t,Nx,Ny,Nz); | 
| 61 | 
 | 
| 62 | 
% U (m/s) | 
| 63 | 
u=Readmodel(ufn,[Nx Ny Nz],'float32'); | 
| 64 | 
u=Extract([3 Nx Ny Nz u(5:4+Nx*Ny*Nz)],[1 Nx 1 Ny 1 Nz]); | 
| 65 | 
u=reshape(u,Nx,Ny,Nz); | 
| 66 | 
 | 
| 67 | 
% V (m/s) | 
| 68 | 
v=Readmodel(vfn,[Nx Ny Nz],'float32'); | 
| 69 | 
v=Extract([3 Nx Ny Nz v(5:4+Nx*Ny*Nz)],[1 Nx 1 Ny 1 Nz]); | 
| 70 | 
v=reshape(v,Nx,Ny,Nz); | 
| 71 | 
 | 
| 72 | 
% W (m/s) | 
| 73 | 
 | 
| 74 | 
w=zeros(Nx,Ny,Nz+1); | 
| 75 | 
 | 
| 76 | 
for k=Nz:-1:1, | 
| 77 | 
 w(1:Nx-1,1:Ny-1,k)= w(1:Nx-1,1:Ny-1,k+1)... | 
| 78 | 
                    -u(2:Nx,1:Ny-1,k)*dz/dx +u(1:Nx-1,1:Ny-1,k)*dz/dx ... | 
| 79 | 
                    -v(1:Nx-1,2:Ny,k)*dz/dy +v(1:Nx-1,1:Ny-1,k)*dz/dy ; | 
| 80 | 
end | 
| 81 | 
 | 
| 82 | 
 | 
| 83 | 
%tfilename=(['T.' iterations((i),1:10) ]) ; | 
| 84 | 
%t=rdmds(tfilename,'b'); | 
| 85 | 
 | 
| 86 | 
%ufilename=(['U.' iterations((i),1:10) ]) ; | 
| 87 | 
%u=rdmds(ufilename,'b'); | 
| 88 | 
u(1:Nx-1,:,:)=0.5*(u(1:Nx-1,:,:)+u(2:Nx,:,:)); | 
| 89 | 
 | 
| 90 | 
%vfilename=(['V.' iterations((i),1:10) ]) ; | 
| 91 | 
%v=rdmds(vfilename,'b'); | 
| 92 | 
v(:,1:Ny-1,:)=0.5*(v(:,1:Ny-1,:)+v(:,2:Ny,:)); | 
| 93 | 
 | 
| 94 | 
%wfilename=(['W.' iterations((i),1:10) ]) ; | 
| 95 | 
%w=rdmds(wfilename,'b'); | 
| 96 | 
 | 
| 97 | 
sumtheta=sumtheta+t; | 
| 98 | 
sumu=sumu+u; | 
| 99 | 
sumv=sumv+v; | 
| 100 | 
sumw=sumw+w(:,:,1:Nz); | 
| 101 | 
counter=counter+1; | 
| 102 | 
end | 
| 103 | 
 | 
| 104 | 
meantheta=sumtheta/counter; | 
| 105 | 
meanu=sumu/counter; | 
| 106 | 
meanv=sumv/counter; | 
| 107 | 
meanw=sumw/counter; | 
| 108 | 
 | 
| 109 | 
sumut=zeros(Nx,Ny,Nz); | 
| 110 | 
sumvt=zeros(Nx,Ny,Nz); | 
| 111 | 
sumwt=zeros(Nx,Ny,Nz); | 
| 112 | 
 | 
| 113 | 
sumuu=zeros(Nx,Ny,Nz); | 
| 114 | 
sumvu=zeros(Nx,Ny,Nz); | 
| 115 | 
sumwu=zeros(Nx,Ny,Nz); | 
| 116 | 
sumvv=zeros(Nx,Ny,Nz); | 
| 117 | 
sumwv=zeros(Nx,Ny,Nz); | 
| 118 | 
 | 
| 119 | 
%meanu=smooth3(meanu); | 
| 120 | 
%meanv=smooth3(meanv); | 
| 121 | 
%meanw=smooth3(meanw); | 
| 122 | 
%meantheta=smooth3(meantheta); | 
| 123 | 
 | 
| 124 | 
for i=nitstart:nitend | 
| 125 | 
i | 
| 126 | 
path   = this_path; | 
| 127 | 
eval(['cd ' path '/it',int2str(iter(i))]); | 
| 128 | 
path=pwd; | 
| 129 | 
 | 
| 130 | 
% T (m/s) | 
| 131 | 
t=Readmodel(tfn,[Nx Ny Nz],'float32'); | 
| 132 | 
t=Extract([3 Nx Ny Nz t(5:4+Nx*Ny*Nz)],[1 Nx 1 Ny 1 Nz]); | 
| 133 | 
t=reshape(t,Nx,Ny,Nz); | 
| 134 | 
 | 
| 135 | 
% U (m/s) | 
| 136 | 
u=Readmodel(ufn,[Nx Ny Nz],'float32'); | 
| 137 | 
u=Extract([3 Nx Ny Nz u(5:4+Nx*Ny*Nz)],[1 Nx 1 Ny 1 Nz]); | 
| 138 | 
u=reshape(u,Nx,Ny,Nz); | 
| 139 | 
 | 
| 140 | 
% V (m/s) | 
| 141 | 
v=Readmodel(vfn,[Nx Ny Nz],'float32'); | 
| 142 | 
v=Extract([3 Nx Ny Nz v(5:4+Nx*Ny*Nz)],[1 Nx 1 Ny 1 Nz]); | 
| 143 | 
v=reshape(v,Nx,Ny,Nz); | 
| 144 | 
 | 
| 145 | 
% W (m/s) | 
| 146 | 
 | 
| 147 | 
w=zeros(Nx,Ny,Nz+1); | 
| 148 | 
 | 
| 149 | 
for k=Nz:-1:1, | 
| 150 | 
 w(1:Nx-1,1:Ny-1,k)= w(1:Nx-1,1:Ny-1,k+1)... | 
| 151 | 
                    -u(2:Nx,1:Ny-1,k)*dz/dx +u(1:Nx-1,1:Ny-1,k)*dz/dx ... | 
| 152 | 
                    -v(1:Nx-1,2:Ny,k)*dz/dy +v(1:Nx-1,1:Ny-1,k)*dz/dy ; | 
| 153 | 
end | 
| 154 | 
 | 
| 155 | 
 | 
| 156 | 
 | 
| 157 | 
%tfilename=(['T.' iterations((i),1:10) ]) ; | 
| 158 | 
%t=rdmds(tfilename,'b'); | 
| 159 | 
 | 
| 160 | 
%ufilename=(['U.' iterations((i),1:10) ]) ; | 
| 161 | 
%u=rdmds(ufilename,'b'); | 
| 162 | 
u(1:Nx-1,:,:)=0.5*(u(1:Nx-1,:,:)+u(2:Nx,:,:)); | 
| 163 | 
 | 
| 164 | 
%vfilename=(['V.' iterations((i),1:10) ]) ; | 
| 165 | 
%v=rdmds(vfilename,'b'); | 
| 166 | 
v(:,1:Ny-1,:)=0.5*(v(:,1:Ny-1,:)+v(:,2:Ny,:)); | 
| 167 | 
 | 
| 168 | 
%wfilename=(['W.' iterations((i),1:10) ]) ; | 
| 169 | 
%w=rdmds(wfilename,'b'); | 
| 170 | 
 | 
| 171 | 
t=t-meantheta; | 
| 172 | 
u=u-meanu; | 
| 173 | 
v=v-meanv; | 
| 174 | 
w(:,:,1:Nz)=w(:,:,1:Nz)-meanw; | 
| 175 | 
 | 
| 176 | 
sumut=sumut+u.*t; | 
| 177 | 
sumvt=sumvt+v.*t; | 
| 178 | 
sumwt=sumwt+w(:,:,1:Nz).*t; | 
| 179 | 
 | 
| 180 | 
sumuu=sumuu+u.*u; | 
| 181 | 
sumvu=sumvu+v.*u; | 
| 182 | 
sumwu=sumwu+w(:,:,1:Nz).*u; | 
| 183 | 
sumvv=sumvv+v.*v; | 
| 184 | 
sumwv=sumwv+w(:,:,1:Nz).*v; | 
| 185 | 
end | 
| 186 | 
 | 
| 187 | 
sumut=sumut/counter; | 
| 188 | 
sumvt=sumvt/counter; | 
| 189 | 
sumwt=sumwt/counter; | 
| 190 | 
 | 
| 191 | 
sumuu=sumuu/counter; | 
| 192 | 
sumvu=sumvu/counter; | 
| 193 | 
sumwu=sumwu/counter; | 
| 194 | 
sumvv=sumvv/counter; | 
| 195 | 
sumwv=sumwv/counter; | 
| 196 | 
 | 
| 197 | 
Mu=zeros(Nx,Ny,Nz); | 
| 198 | 
Mv=zeros(Nx,Ny,Nz); | 
| 199 | 
D=zeros(Nx,Ny,Nz); | 
| 200 | 
 | 
| 201 | 
%dx=dm; | 
| 202 | 
%dy=dm; | 
| 203 | 
dz=-dz; | 
| 204 | 
 | 
| 205 | 
Mu(2:Nx-1,2:Ny-1,2:Nz-1)=-(sumuu(3:Nx,2:Ny-1,2:Nz-1)-sumuu(1:Nx-2,2:Ny-1,2:Nz-1))/(2*dx) ... | 
| 206 | 
        -(sumvu(2:Nx-1,3:Ny,2:Nz-1)-sumvu(2:Nx-1,1:Ny-2,2:Nz-1))/(2*dy) ... | 
| 207 | 
        -(sumwu(2:Nx-1,2:Ny-1,3:Nz)-sumwu(2:Nx-1,2:Ny-1,1:Nz-2))/(2*dz); | 
| 208 | 
 | 
| 209 | 
Mv(2:Nx-1,2:Ny-1,2:Nz-1)=-(sumvu(3:Nx,2:Ny-1,2:Nz-1)-sumvu(1:Nx-2,2:Ny-1,2:Nz-1))/(2*dx) ... | 
| 210 | 
        -(sumvv(2:Nx-1,3:Ny,2:Nz-1)-sumvv(2:Nx-1,1:Ny-2,2:Nz-1))/(2*dy) ... | 
| 211 | 
        -(sumwv(2:Nx-1,2:Ny-1,3:Nz)-sumwv(2:Nx-1,2:Ny-1,1:Nz-2))/(2*dz); | 
| 212 | 
 | 
| 213 | 
D(2:Nx-1,2:Ny-1,2:Nz-1)=-(sumut(3:Nx,2:Ny-1,2:Nz-1)-sumut(1:Nx-2,2:Ny-1,2:Nz-1))/(2*dx) ... | 
| 214 | 
        -(sumvt(2:Nx-1,3:Ny,2:Nz-1)-sumvt(2:Nx-1,1:Ny-2,2:Nz-1))/(2*dy) ... | 
| 215 | 
        -(sumwt(2:Nx-1,2:Ny-1,3:Nz)-sumwt(2:Nx-1,2:Ny-1,1:Nz-2))/(2*dz); | 
| 216 | 
 | 
| 217 | 
pv=zeros(Nx,Ny,Nz); | 
| 218 | 
ff=zeros(Nx,Ny,Nz); | 
| 219 | 
 | 
| 220 | 
 | 
| 221 | 
for j=1:Ny | 
| 222 | 
ff(:,j,:)=f+(j-1)*dy*beta; | 
| 223 | 
end | 
| 224 | 
 | 
| 225 | 
pv(2:Nx-1,2:Ny-1,2:Nz-1)=(meanv(3:Nx,2:Ny-1,2:Nz-1)/(2*dx)-meanv(1:Nx-2,2:Ny-1,2:Nz-1)/(2*dx) ... | 
| 226 | 
                    -meanu(2:Nx-1,3:Ny,2:Nz-1)/(2*dy)+meanu(2:Nx-1,1:Ny-2,2:Nz-1)/(2*dy) ... | 
| 227 | 
                    +ff(2:Nx-1,2:Ny-1,2:Nz-1)) ... | 
| 228 | 
                    .*(meantheta(2:Nx-1,2:Ny-1,3:Nz)-meantheta(2:Nx-1,2:Ny-1,1:Nz-2))/(2*dz) ... | 
| 229 | 
                -(meanv(2:Nx-1,2:Ny-1,3:Nz)-meanv(2:Nx-1,2:Ny-1,1:Nz-2))/(2*dz) ... | 
| 230 | 
                .*(meantheta(3:Nx,2:Ny-1,2:Nz-1)-meantheta(1:Nx-2,2:Ny-1,2:Nz-1))/(2*dx)+ ... | 
| 231 | 
                (meanu(2:Nx-1,2:Ny-1,3:Nz)-meanu(2:Nx-1,2:Ny-1,1:Nz-2))/(2*dz) ... | 
| 232 | 
                .*(meantheta(2:Nx-1,3:Ny,2:Nz-1)-meantheta(2:Nx-1,1:Ny-2,2:Nz-1))/(2*dy); | 
| 233 | 
 | 
| 234 | 
Mp=zeros(Nx,Ny,Nz); | 
| 235 | 
Dp=zeros(Nx,Ny,Nz); | 
| 236 | 
 | 
| 237 | 
Mp(3:Nx-2,3:Ny-2,3:Nz-2)=((Mv(4:Nx-1,3:Ny-2,3:Nz-2)-Mv(2:Nx-3,3:Ny-2,3:Nz-2))/(2*dx)-  ... | 
| 238 | 
(Mu(3:Nx-2,4:Ny-1,3:Nz-2)-Mu(3:Nx-2,2:Ny-3,3:Nz-2))/(2*dy)).* ... | 
| 239 | 
(meantheta(3:Nx-2,3:Ny-2,4:Nz-1)-meantheta(3:Nx-2,3:Ny-2,2:Nz-3))/(2*dz) ... | 
| 240 | 
        -(Mv(3:Nx-2,3:Ny-2,4:Nz-1)-Mv(3:Nx-2,3:Ny-2,2:Nz-3))/(2*dz).* ... | 
| 241 | 
        (meantheta(4:Nx-1,3:Ny-2,3:Nz-2)-meantheta(2:Nx-3,3:Ny-2,3:Nz-2))/(2*dx) ... | 
| 242 | 
+(Mu(3:Nx-2,3:Ny-2,4:Nz-1)-Mu(3:Nx-2,3:Ny-2,2:Nz-3))/(2*dz).* ... | 
| 243 | 
(meantheta(3:Nx-2,4:Ny-1,3:Nz-2)-meantheta(3:Nx-2,2:Ny-3,3:Nz-2))/(2*dy); | 
| 244 | 
 | 
| 245 | 
Dp(3:Nx-2,3:Ny-2,3:Nz-2)=(D(3:Nx-2,3:Ny-2,4:Nz-1)-D(3:Nx-2,3:Ny-2,2:Nz-3))/(2*dz).* ... | 
| 246 | 
(meanv(4:Nx-1,3:Ny-2,3:Nz-2)/(2*dx)-meanv(2:Nx-3,3:Ny-2,3:Nz-2)/(2*dx) ... | 
| 247 | 
-meanu(3:Nx-2,4:Ny-1,3:Nz-2)/(2*dy)+meanu(3:Nx-2,2:Ny-3,3:Nz-2)/(2*dy)+ff(3:Nx-2,3:Ny-2,3:Nz-2)) ... | 
| 248 | 
        -(D(4:Nx-1,3:Ny-2,3:Nz-2)-D(2:Nx-3,3:Ny-2,3:Nz-2))/(2*dx).*  ... | 
| 249 | 
        (meanv(3:Nx-2,3:Ny-2,4:Nz-1)-meanv(3:Nx-2,3:Ny-2,2:Nz-3))/(2*dz)+  ... | 
| 250 | 
(D(3:Nx-2,4:Ny-1,3:Nz-2)-D(3:Nx-2,2:Ny-3,3:Nz-2))/(2*dy).* ... | 
| 251 | 
(meanu(3:Nx-2,3:Ny-2,4:Nz-1)-meanu(3:Nx-2,3:Ny-2,2:Nz-3))/(2*dz); | 
| 252 | 
 | 
| 253 | 
 | 
| 254 | 
sumM=zeros(Nx,Ny); | 
| 255 | 
sumD=zeros(Nx,Ny); | 
| 256 | 
sumW=zeros(Nx,Ny); | 
| 257 | 
 | 
| 258 | 
dz=-dz; | 
| 259 | 
 | 
| 260 | 
% DEFINE BOX OF INTEGRATION | 
| 261 | 
Nx1=3; | 
| 262 | 
Nx2=Nx-2; | 
| 263 | 
Ny1=3; | 
| 264 | 
%Ny2=Ny-2; | 
| 265 | 
Ny2=Ny/2-2; | 
| 266 | 
Nz1=5; | 
| 267 | 
Nz2=Nz-4; | 
| 268 | 
 | 
| 269 | 
 | 
| 270 | 
for k=Nz1:Nz2 | 
| 271 | 
sumM(3:Nx-2,3:Ny-2)=sumM(3:Nx-2,3:Ny-2)+Mp(3:Nx-2,3:Ny-2,k).*pv(3:Nx-2,3:Ny-2,k)*dz; | 
| 272 | 
sumD(3:Nx-2,3:Ny-2)=sumD(3:Nx-2,3:Ny-2)+Dp(3:Nx-2,3:Ny-2,k).*pv(3:Nx-2,3:Ny-2,k)*dz; | 
| 273 | 
end | 
| 274 | 
sumW(3:Nx-2,3:Ny-2)=0.5*meanw(3:Nx-2,3:Ny-2,Nz1).*pv(3:Nx-2,3:Ny-2,Nz1).*pv(3:Nx-2,3:Ny-2,Nz1); | 
| 275 | 
 | 
| 276 | 
%contourf(sumM',20);colorbar; | 
| 277 | 
%figure | 
| 278 | 
%contourf(sumD',20);colorbar; | 
| 279 | 
 | 
| 280 | 
V=[0.25*min(min(sumW(Nx1:Nx2,Ny1:Ny2-4))) 0]; | 
| 281 | 
 | 
| 282 | 
        title='Vorticity input'; | 
| 283 | 
        imagesc(lat,long,sumW(Nx1:Nx2,Ny1:Ny2-4)');shading flat;caxis(V);axis image;colorbar('vertical'); | 
| 284 | 
        set(gca,'ydir','norm') | 
| 285 | 
        text(0,110,title); | 
| 286 | 
figure | 
| 287 | 
V=[-0.5*max(max(abs(sumD(Nx1:Nx2,Ny1:Ny2-4)))) 0.5*max(max(abs(sumD(Nx1:Nx2,Ny1:Ny2-4))))] | 
| 288 | 
        title='Buoyancy eddy-transfer integral'; | 
| 289 | 
        imagesc(lat,long,sumD(Nx1:Nx2,Ny1:Ny2-4)');shading flat;caxis(V);axis image;colorbar('vertical'); | 
| 290 | 
        set(gca,'ydir','norm') | 
| 291 | 
        text(0,110,title); | 
| 292 | 
figure | 
| 293 | 
V=[-0.5*max(max(abs(sumM(Nx1:Nx2,Ny1:Ny2-4)))) 0.5*max(max(abs(sumM(Nx1:Nx2,Ny1:Ny2-4))))] | 
| 294 | 
        title='Momentum eddy-transfer integral'; | 
| 295 | 
        imagesc(lat,long,sumM(Nx1:Nx2,Ny1:Ny2-4)');shading flat;caxis(V);axis image;colorbar('vertical'); | 
| 296 | 
        set(gca,'ydir','norm') | 
| 297 | 
        text(0,110,title); | 
| 298 | 
 | 
| 299 | 
 | 
| 300 | 
%-----TEST------------------------------------------------- | 
| 301 | 
 | 
| 302 | 
sum=0; | 
| 303 | 
sumT=0; | 
| 304 | 
for i=Nx1:Nx2 | 
| 305 | 
for j=Ny1:Ny2 | 
| 306 | 
sum=sum+0.5*meanw(i,j,Nz1)*pv(i,j,Nz1)*pv(i,j,Nz1)*dx*dy; | 
| 307 | 
sumT=sum-0.5*meanw(i,j,Nz2)*pv(i,j,Nz2)*pv(i,j,Nz2)*dx*dy; | 
| 308 | 
end | 
| 309 | 
end | 
| 310 | 
 | 
| 311 | 
for j=Ny1:Ny2 | 
| 312 | 
for k=Nz1:Nz2 | 
| 313 | 
 sumT=sumT+0.5*meanu(Nx2,j,k)*pv(Nx2,j,k)*pv(Nx2,j,k)*dz*dy; | 
| 314 | 
 sumT=sumT-0.5*meanu(Nx1,j,k)*pv(Nx1,j,k)*pv(Nx1,j,k)*dz*dy; | 
| 315 | 
end | 
| 316 | 
end | 
| 317 | 
 | 
| 318 | 
for i=Nx1:Nx2 | 
| 319 | 
for k=Nz1:Nz2 | 
| 320 | 
sumT=sumT+0.5*meanv(i,Ny2,k)*pv(i,Ny2,k)*pv(i,Ny2,k)*dz*dx; | 
| 321 | 
sumT=sumT-0.5*meanv(i,Ny1,k)*pv(i,Ny1,k)*pv(i,Ny1,k)*dz*dx; | 
| 322 | 
end | 
| 323 | 
end | 
| 324 | 
'VORTICITY GENERATION' | 
| 325 | 
sum | 
| 326 | 
sumT | 
| 327 | 
 | 
| 328 | 
 | 
| 329 | 
sum=0; | 
| 330 | 
for i=Nx1:Nx2 | 
| 331 | 
for j=Ny1:Ny2 | 
| 332 | 
sum=sum+sumD(i,j)*dx*dy; | 
| 333 | 
end | 
| 334 | 
end | 
| 335 | 
'DISSIPATION BY EDDY-DIFFUSIVITY' | 
| 336 | 
sum | 
| 337 | 
 | 
| 338 | 
sum=0; | 
| 339 | 
for i=Nx1:Nx2 | 
| 340 | 
for j=Ny1:Ny2 | 
| 341 | 
sum=sum+sumM(i,j)*dx*dy; | 
| 342 | 
end | 
| 343 | 
end | 
| 344 | 
'DISSIPATION BY EDDY-VISCOSITY' | 
| 345 | 
sum |