Altair® OptiStruct® is an industry proven, modern structural analysis solver for linear and nonlinear structural problems under static and dynamic loadings. It is the market-leading solution for structural design and optimization. Based on finite element and multi-body dynamics technology, and through advanced analysis and optimization algorithms, OptiStruct helps designers and engineers rapidly develop innovative, lightweight and structurally efficient designs. OptiStruct is used by thousands of companies worldwide to analyze and Optimize structures for their strength, durability and NVH (noise, vibration and harshness) characteristics.