64 lines
1005 B
Python
64 lines
1005 B
Python
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import numpy as np
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import sys
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ni=500
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xfac=1.005
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ni=300
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xfac=1.01
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nj=90
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viscos=3.57E-5
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dy=7.83208E-004
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yc=np.zeros(nj+1)
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yc[0]=0.
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yfac=1.1
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ustar=1/25
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for j in range(1,nj+1):
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yc[j]=yc[j-1]+dy
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yplus=yc[j]*ustar/viscos
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if dy < 0.05:
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dy=yfac*dy
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print('j=%d, y=%7.2E, yplus=%7.2E, dy=%7.2E'%(j,yc[j],yplus,dy))
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ymax_scale=yc[nj]
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# u_inf=1 => ustar=1.25
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ustar=1/25
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# make it 2D
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y2d=np.repeat(yc[None,:], repeats=ni+1, axis=0)
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y2d=np.append(y2d,nj)
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np.savetxt('y2d.dat', y2d)
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#
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xc=np.zeros(ni+1)
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dx=0.03
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for i in range(1,ni+1):
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xc[i]=xc[i-1]+dx
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dx=dx*xfac
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print('i=%d, x=%7.2E, dx=%7.2E'%(i,xc[i],dx))
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# make it 2D
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x2d=np.repeat(xc[:,None], repeats=nj+1, axis=1)
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x2d_org=x2d
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x2d=np.append(x2d,ni)
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np.savetxt('x2d.dat', x2d)
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# check it
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datay= np.loadtxt("y2d.dat")
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y=datay[0:-1]
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nj=int(datay[-1])
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y2=np.zeros((ni+1,nj+1))
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y2=np.reshape(y,(ni+1,nj+1))
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datax= np.loadtxt("x2d.dat")
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x=datax[0:-1]
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ni=int(datax[-1])
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x2=np.zeros((ni+1,nj+1))
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x2=np.reshape(x,(ni+1,nj+1))
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