This document discusses different numerical analysis methods for structural analysis, including finite element methods (FEM). It covers static and dynamic analysis approaches, as well as implicit and explicit solution procedures. It also summarizes characteristics of direct and iterative solvers for implicit methods, and techniques for parallelizing analysis solutions. Direct solvers require matrix factorization while iterative solvers use matrix-vector multiplications, which can be efficiently parallelized through domain decomposition and minimizing interface degrees of freedom.