What Is SACS Pile Structure Design? SACS Pile Structure Design is a pile structure interaction design software for nonlinear analysis of soil, pile, and structure interactions to reduce the risk of fatigue on offshore structures.  Automate Workflows Automated workflows simplify the management of large and complex models, which encourage the team to explore more collapse scenarios. Customizable templates within a common structural model make it easier to manage multiple analyses. Increase Safety Assess the capacity of the soil on which you are building to withstand extreme structural loads. Model behavior for axial, lateral, and torsional loads at the pilehead with nonlinear load deflection curves. In seismic zones, account for reduced soil capacity due to liquefaction. Display Results Graphically Automatically generate foundation super elements, making it easy to create designs for dynamic analysis. Super elements provide the ability to quickly linearize piled foundations, then model the effect of displacements and rotations with a fully coupled 6×6 matrix for each pile group.