This text book provides important theoretical and analysis concepts realized in LIRA software version 9.2.
The book presents data about finite element method for linear and nonlinear analyses, principles of finite element and super-element simulation, description of FE library, and several analysis algorithms.
Detailed descriptions of new solvers 'ASSEMBLAGE plus', 'BRIDGE', and 'DYNAMICS plus' are also presented.
The book will be useful for both beginners and advanced users of LIRA software and for all individuals concerned with design of structures.
Note that the book is available only in Russian.