How this code will look like for matlab?
Afficher commentaires plus anciens
% Initialization
delx = 1000
delt = 5
n = 211
x = np.arange(0,n*delx,delx)
h = np.zeros(n)
h[:int(l2/delx-1)] = h2
for i in range(int(l1/delx-1),int((l1+l3)/delx)):
h[i] = h2+(h1-h2)/l3*delx*(i-int(l1/delx-1))
h[int((l2+l3)/delx):n] = h1
% Depth in channel
plt.plot(range(0,n),-h)
plt.xlabel('simulation node')
plt.ylabel('Depth, m')
plt.show()
% Initial data
t = 0. # time
kt = 0 # iteration counter
q = np.zeros(n) # flow (barotropic velocity*depth*channel width)
z = np.zeros(n-1) # Level
# setting the level at the initial time
for i in range (int(n-1-l/delx-1),n-1):
z[i] = a*np.cos(2*np.pi/2/l*(x[i]-x[int(n-1-l/delx)-1])-np.pi/2)
qold = q
zold = z
# Level at the initial time
plt.plot(range(0,n-1),z)
plt.plot(range(0,n),q)
plt.xlabel('simulation node')
plt.ylabel('Elevation, m')
plt.title('t = 0')
plt.show()
while t<t_stop : # time loop
q[0] = 0. # boundary condition on the left solid boundary (impenetrability)
for i in range(1,n-1): # cycle for calculating flows (speed) by channel length
q[i] = qold[i] - delt*g*b*h[i]*(zold[i]-zold[i-1])/delx
q[n-1] = b*zold[n-2]*np.sqrt(g*h[n-2]) # boundary condition on the right liquid boundary (radiation)
for i in range(0,n-1): # cycle for calculating the level based on the channel length
z[i] = zold[i] - delt/b*(q[i+1]-qold[i])/delx
t = t + delt
kt+= 1
qold = q # override new thread array (speed)
zold = z # override new level array
#output
if kt % 20 == 0: # frequency of results output
print('t = ', t/60, 'min')
fig, axs = plt.subplots(2,1,gridspec_kw={'height_ratios': [2, 1]})
axs[0].plot(x[:-1]/1000,z)
axs[0].set_ylabel('Elevation, m')
axs[1].plot(x/1000,-h)
axs[1].set_xlabel('Distance, km')
axs[1].set_ylabel('Depth, m')
plt.show()
1 commentaire
Rena Berman
le 27 Nov 2023
(Answers Dev) Restored edit
Réponses (1)
Sulaymon Eshkabilov
le 18 Oct 2023
0 votes
You can convert a Python code into MATLAB code using 3rd party applications like this one
Catégories
En savoir plus sur Programming dans Centre d'aide et File Exchange
Community Treasure Hunt
Find the treasures in MATLAB Central and discover how the community can help you!
Start Hunting!