Hi.
I need to define a semi-circle section for beam in Abaqus. There are circle, trapezoid, etc. Is there any way to define semi-circle section?
Hi, Abaqus has such capability as meshed beam cross-section (see “Meshed beam cross-sections.” Section 10.6.1 of Abaqus 6.14 Analysis User's Guide). It allows for the description of a beam cross-section with arbitrary shape, but only for linear elastic material behavior.
The results visualization on cross-stction can be obtained using Python script in “Viewing the analysis of a meshed beam cross-section,” Section 9.10.10 of Abaqus 6.14 Scripting User's Guide.
Some examples of .inp files are available in Section 3.17 "Meshed beam cross-sections" of Abaqus 6.14 Verification Guide.
Hi Soheil,
another option is to define a "profile" with an "arbitrary" shape and discretize your semi-circle with a sufficient number of points.
This can be done with few python lines, here an example:a
import numpy as np
my_radius = 30.0
theta_np = np.linspace(0, np.pi, 100)
my_thickness = 1.0
points = [(0.0, 0.0)]
for theta in theta_np:
points.append((my_radius * np.cos(theta), my_radius * np.sin(theta), my_thickness))
mdb.models['Model-1'].ArbitraryProfile(name='Semi-Circe-Profile', table=(points))
I hope it helps.
Hi Dear Federico Danzi
Thank you so much for your reply. I tried this arbitrary method first by MATLAB to find the x and y coordinates. But in this method, Abaqus creates a semi-circle with a hole (it creates just like pipe shape with semicircular section), but I need the exactly half of circular shape which is available in beam sections. (not pipe)
Hi dear Victor J. Аdlucky
Thank you so much for your response. I will check it and inform you if I can solve it by this method.
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