chapter 1 Introduction -- chapter 2 Basic Equations for Solid Mechanics -- chapter 3 The Finite Element Method -- chapter 5 Cell-Based Smoothed FEM -- chapter 6 Node-Based Smoothed FEM -- chapter 7 Edge-Based Smoothed FEM -- chapter 8 Face-Based Smoothed FEM -- chapter 9 The αFEM -- chapter 10 S-FEM for Fracture Mechanics -- chapter 11 S-FEM for Viscoelastoplasticity -- chapter 12 ES-FEM for Plates -- chapter 13 S-FEM for Piezoelectric Structures -- chapter 14 S-FEM for Heat Transfer Problems -- chapter 15 S-FEM for Acoustics Problems.