[SILVIA HEREDIA]

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<[email protected]> <[email protected]>
In-Reply-To: <[email protected]>
From: Silvia Diana Heredia Lara
Date: Mon, 27 Jul 2020 22:17:42 -0500
Message-ID:
Subject: Re: Running HEC-RAS from a loop in MATLAB with different unsteady
flow data
To: “Tcollings [via HEC-RAS Help]”
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Thank you so much for your help! you’ll hear from me soon.
Wish me luck !!

Silvia

El lun., 27 jul. 2020 a las 2:52, Tcollings [via HEC-RAS Help] (< [email protected]>) escribi=C3=B3:

> Hi Silvia,
>
> Happy to help. I used this paper a lot as the basis of my code –
> http://www2.egr.uh.edu/~aleon3/papers_PDF/Journal/HEC_RAS_Controller.pdf
>
> Below is the loop I wrote complete the task. Feel free to get in touch if
> it needs more explaining.
>
> Cheers,
>
> Tom
>
>
> % outputs
> reach_in=3D [1,1,2,3]; % 1 =3D Upper, 2 =3DSaltash, 3 =3D Devonport
> Ri_St_in=3D[42,50,4,4];% 42 =3D 3905, 50 =3D 5018, 4 =3D 2526, 4 =3D 1251
>
>
>
> for ii =3D 1:5 % Tides
> disp(ii)
> for jj=3D1:7 % Surges
> for kk =3D 1:7 % Lag
>
> Tide_in=3DTide(Lag(:,kk),ii)+(Surge(Lag(:,kk),jj).*Surge_cont(Lag(:,kk))’=
); %
> create stage boundary condition to rewrite HEC-RAS input file
> for pp =3D 1:192
> if Tide_in(pp) <0 %formatting the numbers to the correct
> format to paste into the input file
> Tide_in_str{pp}=3Dnum2str(Tide_in(pp),’%.5f’);
> else
> Tide_in_str{pp}=3Dnum2str(Tide_in(pp),’%8f’);
> end
> end
> Tide_in_str=3Dstring(Tide_in_str);
> % the code above here formulates the unsteady flow data to be
> % input in the hec-ras unsteady flow file
>
>
> filenameinput =3D
> (‘C:\Users\Tom\Documents\HECRAS\TamarTavyEstuary_TEMP.u15’);
> filenameoutput =3D
> (‘C:\Users\Tom\Documents\HECRAS\TamarTavyEstuary.u15’);
> copyfile(filenameoutput,filenameinput);
> fid =3D fopen(filenameinput, ‘rt’);
> fout =3D fopen (filenameoutput , ‘wt’);
>
> while ~feof(fid)
> strTextLine =3D fgetl(fid); %To read one additional line
>
> if strfind(strTextLine,’Stage Hydrograph=3D 192 ‘) % find
> line to enter new stage data below
> fprintf(fout,’%s\n’,strTextLine);
>
> fprintf(fout,’%s%s%s%s%s%s%s%s%s%s\n’,Tide_in_str(1:10));
>
> fprintf(fout,’%s%s%s%s%s%s%s%s%s%s\n’,Tide_in_str(11:20));
>
> fprintf(fout,’%s%s%s%s%s%s%s%s%s%s\n’,Tide_in_str(21:30)) ;
>
> fprintf(fout,’%s%s%s%s%s%s%s%s%s%s\n’,Tide_in_str(31:40)) ;
>
> fprintf(fout,’%s%s%s%s%s%s%s%s%s%s\n’,Tide_in_str(41:50)) ;
>
> fprintf(fout,’%s%s%s%s%s%s%s%s%s%s\n’,Tide_in_str(51:60)) ;
>
> fprintf(fout,’%s%s%s%s%s%s%s%s%s%s\n’,Tide_in_str(61:70)) ;
>
> fprintf(fout,’%s%s%s%s%s%s%s%s%s%s\n’,Tide_in_str(71:80)) ;
>
> fprintf(fout,’%s%s%s%s%s%s%s%s%s%s\n’,Tide_in_str(81:90)) ;
>
> fprintf(fout,’%s%s%s%s%s%s%s%s%s%s\n’,Tide_in_str(91:100)) ;
>
> fprintf(fout,’%s%s%s%s%s%s%s%s%s%s\n’,Tide_in_str(101:110));
>
> fprintf(fout,’%s%s%s%s%s%s%s%s%s%s\n’,Tide_in_str(111:120));
>
> fprintf(fout,’%s%s%s%s%s%s%s%s%s%s\n’,Tide_in_str(121:130)) ;
>
> fprintf(fout,’%s%s%s%s%s%s%s%s%s%s\n’,Tide_in_str(131:140)) ;
>
> fprintf(fout,’%s%s%s%s%s%s%s%s%s%s\n’,Tide_in_str(141:150)) ;
>
> fprintf(fout,’%s%s%s%s%s%s%s%s%s%s\n’,Tide_in_str(151:160)) ;
>
> fprintf(fout,’%s%s%s%s%s%s%s%s%s%s\n’,Tide_in_str(161:170)) ;
>
> fprintf(fout,’%s%s%s%s%s%s%s%s%s%s\n’,Tide_in_str(171:180)) ;
>
> fprintf(fout,’%s%s%s%s%s%s%s%s%s%s\n’,Tide_in_str(181:190)) ;
> fprintf(fout,’%s%s’,Tide_in_str(191:192)); %print in
> the new data line by line
> fseek(fid,1574,’cof’); % skip forward in the reading
> file to the next line below the old input data
> else
> fprintf(fout,’%s\n’,strTextLine); % copy line into th=
e
> new input file
> end
> end
> fclose(fid);
> fclose(fout);
> h=3Dactxserver(‘RAS507.HECRASCONTROLLER’); %start hecras in t=
he
> background
>
> h.Project_Open(‘C:\Users\Tom\Documents\HECRAS\TamarTavyEstuary.prj’); %op=
en
> project file
> h.Compute_HideComputationWindow;
> h.Plan_SetCurrent(‘Plan 24’);
> h.Compute_CurrentPlan(0,0);
> pause(12) % pause necessary to allow Hec-ras time to run the
> model before matlab reads the output and closes it
> run_check(ii,jj,kk)=3Dh.Compute_Complete() % checks if HEC-RA=
S
> has run – if 0, increases pause time
>
>
>
> for ll =3D 1:4
> for mm =3D 2:193
>
> z=3Dh.Output_NodeOutput(2,reach_in(ll),Ri_St_in(ll),0,mm,2); %read output=
(WS
> elevation) for the 4 river stations
> WS_elv(mm-1,ll)=3Dz; %save into mega matrix for
> processing and analysis
> end
> end
> h.Project_Save;
> h.Project_Close()
> h.QuitRas
>
>
> %WS_elv=3Drun_hec();
>
> WS_El(:,:,ii,jj,kk)=3DWS_elv; %save into mega matrix for
> processing and analysis
>
> clear Tide_in
> clear z
> clear Tide_in_str
>
>
>
> end
> end
> end
>
> ——————————
> If you reply to this email, your message will be added to the discussion
> below:
>
> http://hec-ras-help.1091112.n5.nabble.com/Running-HEC-RAS-from-a-loop-in-=
MATLAB-with-different-unsteady-flow-data-tp9008p9057.html
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–=20
*M.C. Silvia Diana Heredia Lara*
+52 999 412 5499
*”Water is the driving force of all nature”*

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Thank you so much for your help! you'll hear from me s=
oon.

Wish me luck !!

=C2=A0

Silvia

=

=
El lun., 27 jul. 2020 a las 2:52, Tcollings [via HEC-RAS Help] (<[email protected]=
le.com>) escribi=C3=B3:

tyle=3D"margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);pad= ding-left:1ex">

Hi Silvia,=20

Happy to help. I used this paper a lot as the basis of my code – http://www2.egr.uh.edu/~aleon3/p=
apers_PDF/Journal/HEC_RAS_Controller.pdf=C2=A0

Below is the loop I wrote complete the task. Feel free to get in to=
uch if it needs more explaining.

Cheers,

Tom

% outputs

reach_in=3D [1,1,2,3]; % 1 =3D Upper, 2 =3DSaltash, 3 =3D Devonport

Ri_St_in=3D[42,50,4,4];% 42 =3D 3905, 50 =3D 5018, 4 =3D 2526, 4 =3D 12=
51

for ii =3D 1:5 % Tides

=C2=A0 =C2=A0 disp(ii)

=C2=A0 =C2=A0 for jj=3D1:7 % Surges

=C2=A0 =C2=A0 =C2=A0 =C2=A0 for kk =3D 1:7 % Lag

=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 Tide_in=3DTide(Lag(:,kk),ii)+=
(Surge(Lag(:,kk),jj).*Surge_cont(Lag(:,kk))'); % create stage boundary =
condition to rewrite HEC-RAS input file

=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 for pp =3D 1:192

=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0if Tide_in(pp) &=
lt;0 %formatting the numbers to the correct format to paste into the input =
file

=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0Ti=
de_in_str{pp}=3Dnum2str(Tide_in(pp),'%.5f');

=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0else=20

=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0Ti=
de_in_str{pp}=3Dnum2str(Tide_in(pp),'%8f');

=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0end=20

=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 end=20

=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 Tide_in_str=3Dstring(Tide_in_=
str);

=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 % the code above here formula=
tes the unsteady flow data to be

=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 % input in the hec-ras unstea=
dy flow file

=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0=20

=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0=20

=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 filenameinput =3D ('C:\Us=
ers\Tom\Documents\HECRAS\TamarTavyEstuary_TEMP.u15');

=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 filenameoutput =3D ('C:\U=
sers\Tom\Documents\HECRAS\TamarTavyEstuary.u15');

=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 copyfile(filenameoutput,filen=
ameinput);

=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 fid =3D fopen(filenameinput, =
'rt');

=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 fout =3D fopen (filenameoutpu=
t , 'wt');

=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 while ~feof(fid)

=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 strTextLine =3D=
fgetl(fid); %To read one additional line

=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 if strfind(=
strTextLine,'Stage Hydrograph=3D 192 ') % find line to enter new st=
age data below

=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =
=C2=A0fprintf(fout,'%s\n',strTextLine);

=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =
=C2=A0fprintf(fout,'%s%s%s%s%s%s%s%s%s%s\n',Tide_in_str(1:10));

=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =
=C2=A0fprintf(fout,'%s%s%s%s%s%s%s%s%s%s\n',Tide_in_str(11:20));=20

=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =
=C2=A0fprintf(fout,'%s%s%s%s%s%s%s%s%s%s\n',Tide_in_str(21:30)) ;

=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =
=C2=A0fprintf(fout,'%s%s%s%s%s%s%s%s%s%s\n',Tide_in_str(31:40)) ;

=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =
=C2=A0fprintf(fout,'%s%s%s%s%s%s%s%s%s%s\n',Tide_in_str(41:50)) ;

=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =
=C2=A0fprintf(fout,'%s%s%s%s%s%s%s%s%s%s\n',Tide_in_str(51:60)) ;

=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =
=C2=A0fprintf(fout,'%s%s%s%s%s%s%s%s%s%s\n',Tide_in_str(61:70)) ;

=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =
=C2=A0fprintf(fout,'%s%s%s%s%s%s%s%s%s%s\n',Tide_in_str(71:80)) ;

=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =
=C2=A0fprintf(fout,'%s%s%s%s%s%s%s%s%s%s\n',Tide_in_str(81:90)) ;

=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =
=C2=A0fprintf(fout,'%s%s%s%s%s%s%s%s%s%s\n',Tide_in_str(91:100)) ;

=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =
=C2=A0fprintf(fout,'%s%s%s%s%s%s%s%s%s%s\n',Tide_in_str(101:110));

=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =
=C2=A0fprintf(fout,'%s%s%s%s%s%s%s%s%s%s\n',Tide_in_str(111:120));

=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =
=C2=A0fprintf(fout,'%s%s%s%s%s%s%s%s%s%s\n',Tide_in_str(121:130)) ;

=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =
=C2=A0fprintf(fout,'%s%s%s%s%s%s%s%s%s%s\n',Tide_in_str(131:140)) ;

=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =
=C2=A0fprintf(fout,'%s%s%s%s%s%s%s%s%s%s\n',Tide_in_str(141:150)) ;

=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =
=C2=A0fprintf(fout,'%s%s%s%s%s%s%s%s%s%s\n',Tide_in_str(151:160)) ;

=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =
=C2=A0fprintf(fout,'%s%s%s%s%s%s%s%s%s%s\n',Tide_in_str(161:170)) ;

=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =
=C2=A0fprintf(fout,'%s%s%s%s%s%s%s%s%s%s\n',Tide_in_str(171:180)) ;

=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =
=C2=A0fprintf(fout,'%s%s%s%s%s%s%s%s%s%s\n',Tide_in_str(181:190)) ;

=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =
=C2=A0fprintf(fout,'%s%s',Tide_in_str(191:192)); %print in the new =
data line by line

=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =
=C2=A0fseek(fid,1574,'cof'); % skip forward in the reading file to =
the next line below the old input data

=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 else

=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 f=
printf(fout,'%s\n',strTextLine); % copy line into the new input fil=
e

=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 end=20

=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 end=20

=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 fclose(fid);

=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 fclose(fout);

=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 h=3Dactxserver('RAS507.HE=
CRASCONTROLLER'); %start hecras in the background

=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 h.Project_Open('C:\Users\=
Tom\Documents\HECRAS\TamarTavyEstuary.prj'); %open project file

=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 h.Compute_HideComputationWind=
ow;

=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 h.Plan_SetCurrent('Plan 2=
4');=20

=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 h.Compute_CurrentPlan(0,0);

=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 pause(12) % pause necessary t=
o allow Hec-ras time to run the model before matlab =C2=A0reads the output =
and closes it

=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 run_check(ii,jj,kk)=3Dh.Compu=
te_Complete() % checks if HEC-RAS has run – =C2=A0if 0, increases pause tim=
e

=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 for ll =C2=A0=3D =
1:4

=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 for mm =3D 2:19=
3

=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 z=
=3Dh.Output_NodeOutput(2,reach_in(ll),Ri_St_in(ll),0,mm,2); %read output (W=
S elevation) for the 4 river stations=20

=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 W=
S_elv(mm-1,ll)=3Dz; %save into mega matrix for processing and analysis

=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 end=20

=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 end=20

=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 h.Project_Save;

=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 h.Project_Close()

=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 h.QuitRas

=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0=20

=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0=20

=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 %WS_elv=3Drun_hec();

=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0=20

=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 WS_El(:,:,ii,jj,kk)=3DWS_elv;=
%save into mega matrix for processing and analysis

=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0

=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 clear Tide_in

=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 clear z

=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 clear Tide_in_str

=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0=20

=C2=A0 =C2=A0 =C2=A0 =C2=A0=20

=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0=20

=C2=A0 =C2=A0 =C2=A0 =C2=A0 end=20

=C2=A0 =C2=A0 end=20

end=20

=09
=09
=09

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-a-loop-in-MATLAB-with-different-unsteady-flow-data-tp9008p9057.html

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—

<= div style=3D"text-align:center">M.C. Silvia Diana Heredia Lara

+52 999 412 5499

"Water is the driving force of all nature=
"

–0000000000008ebedc05ab77e2f5–

[SILVIA HEREDIA]

Hi Tcollings!! I read your post and think you can help me out a bit.
I would like to make a code in Hec-Ras in order to multi-run several unsteady flow data. Can you give any advice about it? This is my first time doing it, so maybe some references will help.
Thank you!!

[Author]

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