Single or multi-post structures that elevate one or more panels on a central pole. These systems require precise structural checks for overturning, torsion, and wind pressure, especially for elevated and adjustable designs. The constant rise in the price of electric energy together with the decrease in the prices of the elements that comprise a photovoltaic instal-lation is generating a direct increase in the. These photovoltaic panels can be with an aluminum frame with a thickness of between 30 mm and 45 mm, or photovoltaic panels with double glass without frames. They are loaded mainly by aerodynamic forces. International regulations as well as the competition between industries define that they must withstand the enormous loads. RSTAB 9 is a powerful analysis and design software for 3D beam, frame, and truss structure calculations. Markets have a. Photovoltaic mounting systems (also called solar module racking) are used to fix solar panels on surfaces like roofs, building facades, or the ground.