SeismoStruct is an award-winning Finite Element package capable of predicting the large displacement behaviour of space frames under static or dynamic loading, taking into account both geometric nonlinearities and material inelasticity. ✅ 20 Material Models ✅ 31 Hysteretic Curves ✅ 72 Section Types ✅ 17 Element Types Concrete, steel, masonry, frp and sma material models are available, together with a large library of 3D elements that may be used with a wide variety of pre-defined steel, concrete