The definition of the properties for a general beam section is very similar to that of the rectangular section. Instead of giving the width and height of the section, the area (A), the Torsor modulus (J) and the inertia modulus for the Y' (Inertia y) and Z' axes (Inertia z) of the beam are given. Default units for the area are m2 and for the inertia modulus are m4.
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