Introductory Finite Element Method - Desai, Chandrakant S. (University of Arizona, Tucson, USA) a Kundu, Tribikram (University of Arizona, Tucson, USA)

Examines both structural analysis and flow applications in a presentation designed for upper-level undergraduate and beginning graduate students, both within and outside of the engineering disciplines. This book includes a chapter on variational calculus, that shows how the functionals for structural analysis and flow problems are formulated.