コード例 #1
0
ファイル: cylinder.py プロジェクト: Haider-BA/pyrbf
import numpy
from pylab import *
from rbf_solver2 import rbf_solver

data = numpy.load('cylinder')

x = data['x']
y = data['y']
c = data['c']
r = data['r']
s = data['s']

rbf_solver(x, y, c, r, 0.007)

fig = plt.figure()
ax1 = fig.add_subplot(121)
ax2 = fig.add_subplot(122)

x1   = arange(len(c))
  
ax1.scatter(x, y, c = c, marker = 'o', s = 10, edgecolors='none')    
ax2.plot(x1,c,'k--')
ax1.set_title('Solution')
ax2.set_title('point values')

plt.show()
コード例 #2
0
    -0.2*exp(-(9*particle.xi-4)**2-(9*particle.yi-7)**2)
particle.wi = particle.ei
#particle.gj = exp(-(particle.xj**2+particle.yj**2)/\
#    (4*parameter.vis*parameter.t))/(pi*4*parameter.vis*parameter.t)*particle.h**2
particle.gj = (0.75*exp(-((9*particle.xj-2)**2+(9*particle.yj-2)**2)/4)\
    +0.75*exp(-((9*particle.xj+1)**2)/49-((9*particle.yj+1)**2)/10)\
    +0.5*exp(-((9*particle.xj-7)**2+(9*particle.yj-3)**2)/4)\
    -0.2*exp(-(9*particle.xj-4)**2-(9*particle.yj-7)**2))*particle.h**2

toc = tic
tic = cpu_time()
t[0] = tic - toc

# solve rbf using c wrapper
if parameter.wrapper == 1:
    rbf_solver(particle.xi, particle.yi, particle.gj, particle.ei,
               particle.sigma, parameter.vis)

toc = tic
tic = cpu_time()

# generate clusters
particle, cluster = get_cluster(particle, cluster)

# set up reference data
if parameter.wrapper == 1:
    particle, cluster = get_trunc(particle, cluster)
    particle, cluster = get_vorticity(particle, cluster)
    particle.gj = particle.ei * particle.h**2
    particle.ei = particle.wi
    particle.wi = particle.gj / particle.h**2
コード例 #3
0
ファイル: main.py プロジェクト: Haider-BA/pyrbf
    -0.2*exp(-(9*particle.xi-4)**2-(9*particle.yi-7)**2)
particle.wi = particle.ei
#particle.gj = exp(-(particle.xj**2+particle.yj**2)/\
#    (4*parameter.vis*parameter.t))/(pi*4*parameter.vis*parameter.t)*particle.h**2
particle.gj = (0.75*exp(-((9*particle.xj-2)**2+(9*particle.yj-2)**2)/4)\
    +0.75*exp(-((9*particle.xj+1)**2)/49-((9*particle.yj+1)**2)/10)\
    +0.5*exp(-((9*particle.xj-7)**2+(9*particle.yj-3)**2)/4)\
    -0.2*exp(-(9*particle.xj-4)**2-(9*particle.yj-7)**2))*particle.h**2

toc = tic
tic = cpu_time()
t[0] = tic-toc

# solve rbf using c wrapper
if parameter.wrapper == 1:
    rbf_solver(particle.xi,particle.yi,particle.gj,particle.ei,
        particle.sigma,parameter.vis)

toc = tic
tic = cpu_time()

# generate clusters
particle,cluster = get_cluster(particle,cluster)

# set up reference data
if parameter.wrapper == 1:
    particle,cluster = get_trunc(particle,cluster)
    particle,cluster = get_vorticity(particle,cluster)
    particle.gj = particle.ei*particle.h**2
    particle.ei = particle.wi
    particle.wi = particle.gj/particle.h**2