patent of structural engineering

patent development of structural engineering

1452-1519 Leonardo da Vinci made ​​a variety of contributions in geometry and create a new bridge design and will be realized in the 21st century .

1638 : Galileo Galilei published the book " Two New Sciences " in which he conducted an inspection of the failure of the simple structure

1660 : published by Robert Hooke's Law Hooke

1687 : Isaac Newton published " Philosophiae Naturalis Principia Mathematica " which contains Newton 's laws of motion

1750 : Euler - Bernoulli beam equation

1700-1782 : Daniel Bernoulli introduced the principle of virtual work

1707-1783 : Leonhard Euler developed the theory of bending ( buckling ) column

1826 : Claude - Louis Navier published a treatise on the elastic properties of the structure

1873 : Carlo Alberto Castigliano presented in his dissertation , " intorno elastici ai sistemi " , which contains his theory to calculate the displacement as partial derivative of voltage energy

1936 : Publication of the Hardy Cross moment distribution method is then known as a form of relaxation methods can be applied to problems in the structure of the pipeline

1941 : Alexander Hrennikoff put his thesis at Massachusetts Institute of Technology on the subject of elasticity of discretized lattice fields using the model framework ( lattice framework )

1942 : Richard Courant divide the modeling domain into finite subregions ( finite subregions )

1956 : The work of J. Turner, R. W. Clough , H. C. Martin , and L. J. Topp 's entitled " Stiffness and deflection of Complex Structures " ( stiffness and deflection of complex structures ) introduced the finite element method is currently used extensively