Fundamentals of Welding Thermomechanics -- Description of Welding Deformations -- Stress Tensor -- Thermodynamical Background of Welding Processes -- Motion of Fluids -- Thermomechanical Behaviour -- Numerical Analysis of Welding Problems -- Numerical Methods in Thermomechanics -- Heat Flow in Welding -- Analytical Solutions of Thermal Problems in Welding -- Numerical Solutions of Thermal Probl…