Notes on Basic Concepts of the Finite Element Method for Elliptic Problems.- Sensitivity Analysis Based Automation of Computational Problems.- Equilibrated Stress Reconstruction and a Posteriori Error Estimation for Linear Elasticity.- A Concept for the Extension of the Assumed Stress Finite Element Method to Hyperelasticity.- Simple Equilibrium Finite Elements for Geometrically Exact Bernoulli-Euler Beams and Kirchhoff-Love Shells.- Isogeometric Analysis of Solids in Boundary Representation.