Creation of curved member can by done by assembling small linear segments. In this regard apart from circular grid some other method can be applied. Nodes in between which linear members are to be connected, can be calculated in excel if the profile of the curve is known. The calculated nodal co-ordaites can be pated in in STAAD.Pro. Even , the curve profile can be created in a CAD softwaew and it can be exploded into straint lines. The curve can be saved in >DXF format. STAAD.Pro can import a .DXF file
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