TY - BOOK AU - Reddy,J.N. TI - Energy principles and variational methods in applied mechanics SN - 9781119087373 PY - 2017/// CY - Hoboken, N.J. PB - Wiley KW - Mechanics, Applied KW - Mathematics KW - Calculus of variations KW - Finite element method KW - Force and energy N1 - Includes bibliographical references and index ER -