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Copy pathuvdir_inswe2D_originale.m
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uvdir_inswe2D_originale.m
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function [uDir_in0,vDir_in0,uDir_in1,vDir_in1,cDir_in] = uvdir_inswe2D(x,y,t,wd,nodes,g,nlato,nlato1,boundaries,vertices)
%UVDIRSWE2D Dirichlet condition for the velocity field
tic
if nlato == 0
vDir_in1 =[];
uDir_in1 =[];
vDir_in0 =[];
uDir_in0 =[];
cDir_in =[];
else
% Q=250;
[nr,nc]=size(y);
% q_x=Q/(nc-1);
% q_y=0;
% uDir_in=(q_x+0.*y)./wd(nodes,1)';
%Risalto
% uDir_in = -10 +0.*x;
% uDir_in = 4.15 + 0.*x;
% uDir_in = 0.*x;
% cDir_in = 2*sqrt(0.38*9.81) + 0.*x;
% risalto
% wdDir_in = 0.3 + 0.*x; %
% cDir_in=2*(g*wdDir_in).^0.5; % lascio attiva anche negli altri casi anche se poi non la uso
%
% % canale TFDC
%
% Q = 80;
% allargamento steady
% if t<18
% if t < 6
% Q = 10*t;
% end
% if t >= 6 & t < 12
% Q = 60;
% end
% if t >= 12 & t < 18
% Q = 60 - (t - 12)*10;
% end
% else
% Q = 0;
% end
if t<10
% Q = 22.1; % bump
% Q = 60; % conf
Q = 10*t % Sudden
% Q = 100;
else
% Q = 257.1; % oblique
% Q = 100 ; % Sudden
% Q = 22.1; % bump
% Q = 60; % conf
Q = 100;
end
%Marea
nbn = 2;
edges = find(boundaries(3,:) == nlato);
nodes0 = unique(boundaries(1:nbn,edges));
% dist = abs(vertices(2,nodes0)-vertices(2,nodes0));
% b = sum(dist);
b = max(vertices(2,nodes0))-min(vertices(2,nodes0));
q = Q/b;
% q = 0;
uDir_in0(1:length(nodes0)) = q./(wd(nodes0));
% uDir_in0(1:length(nodes0))=-0.3;
% % uDir_in0(1:length(nodes0)) = 8.57; % oblique
vDir_in0(1:length(nodes0)) = 0;
cDir_in =[];
if nlato1>0
if t<20
Q1 = t;
else
Q1 = 20;
end
nbn = 2;
edges1 = find(boundaries(3,:) == nlato1);
nodes1 = unique(boundaries(1:nbn,edges1));
dist1 = abs(vertices(1,boundaries(2,edges1))-vertices(1,boundaries(1,edges1)));
b1 = sum(dist1);
q1 = Q1/b1;
vDir_in1(1:length(nodes1)) = -q1./wd(nodes1);
uDir_in1(1:length(nodes1)) = 0;
else
vDir_in1 =[];
uDir_in1 =[];
end
% % curva inflow con profilo parabolico
% uDir_in = 0.5*(-y.^2+b*y)/100;
%
% uDir_in = 1-exp(-(-y.^2+b*y));
% q = 5/sum(dist);
% % q_e = q.*dist
% q_e =q+0.*x;
%
% % u_e = q_e'./(0.5*(wd(nodes(1:end-1),1)+wd(nodes(2:end))));
%
% q_n = 0.5*([q_e(1:end)]+[q_e(1:end)]);
%
% u_n = q_n'./wd(nodes);
%
% % uDir_in(1:length(nodes)) = Q/sum(0.5*(wd(nodes(1:end-1),1)+wd(nodes(2:end),1))'.*dist);
% uDir_in = u_n';
% sudden
%
% if t < 10
% Q = 20*t;
% else
% Q=200;
% end
%
% uDir_in = Q/sum(wd(nodes(1:end-1),1)'.*dist)+0.*x;
% vDir_in = 0 + 0.*x;
% [nr,nc]=size(y);
%
% q_y=0;
toc
% uDir_in0 = 0+ 0.*x;
% vDir_in0 = y.^2 - y;
end
return