y, x = np.mgrid[:10, :10]
z = np.random.random(x.shape)
xdef, ydef = x ** 2, y ** 2 + x
fig, axes = plt.subplots(ncols=2)
axes[0].pcolormesh(x, y, z, cmap='gist_earth')
axes[1].pcolormesh(xdef, ydef, z, cmap='gist_earth')
axes[0].set(title='Original', xticks=[], yticks=[])
axes[1].set(title='Deformed', xticks=[], yticks=[])
plt.show()
Plot deformed 2D mesh with Python