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How to find RMS error of a deformed surface?
i want to do surface fitting of a deformed surface and to find RMS error with respect to fitted one.
Could you please elaborate your requirement in detail?I am not clear about your question whether you want to view any rms value. (Stress, velocity & acceleration)
We have many post on support forum based on rms. Please find below link for RMS stress.
Hi Rahul,
I have parabolic dish, after doing static analysis i got deformed value of the parabolic dish, now i want to do surface fitting of the deformed dish. Is it possible to do surface fitting in Hypergraph?
HG3D can’t create a 3d surface plot from scattered xyz data. What we support are surfaces where the x vector has m points, the y vector has n points and the z vector m*n points or when the surface consists of 2D slices.
Or
you could bring the data into HyperStudy and build a Fit.
You can also use matplotlib to display the data. HyperWorks (and HG) have a Python interface. You can look at the link below for examples.http://matplotlib.org/mpl_toolkits/mplot3d/tutorial.html
You only need about 20 lines of code to accomplish this. Here is an example.
from mpl_toolkits.mplot3d import Axes3D from matplotlib import cm from matplotlib.ticker import LinearLocator, FormatStrFormatter import matplotlib.pyplot as plt import numpy as np
fig = plt.figure() ax = fig.gca(projection='3d') X = np.arange(-5, 5, 0.25) Y = np.arange(-5, 5, 0.25) X, Y = np.meshgrid(X, Y) R = np.sqrt(X**2 + Y**2) Z = np.sin(R) surf = ax.plot_surface(X, Y, Z, rstride=1, cstride=1, cmap=cm.coolwarm, linewidth=0, antialiased=False) ax.set_zlim(-1.01, 1.01)
ax.zaxis.set_major_locator(LinearLocator(10)) ax.zaxis.set_major_formatter(FormatStrFormatter('%.02f'))
fig.colorbar(surf, shrink=0.5, aspect=5)
plt.show()
