Introduction -- Introduction to the stiffness (displacement) method -- Development of truss equations -- Development of beam equations -- Frame and grid equations -- Development of the plane stress and plane strain stiffness equations -- Practical considerations in modeling; interpreting results; and examples of plane stress/strain analysis -- Development of the linear-strain triangle equations -- Axisymmetric elements -- Isoparametric formulation -- Three-dimensional stress analysis -- Plate bending element -- Heat transfer and mass transport -- Fluid flow in porous media and through hydraulic networks; and electrical networks and electrostatics -- Thermal stress -- Structural dynamics and time-dependent heat transfer.