first Castigliano's theorem

first Castigliano's theorem: первая теорема Кастильяно (частная производная энергии деформации по силе равна деформации в направлении силы)

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Castigliano's method — Castigliano s method, named for Carlo Alberto Castigliano, is a method for determining the displacements of a linear elastic system based on the partial derivatives of the strain energy. In the mathematics of structures, he is known for his two… … Wikipedia
History of structural engineering — The history of structural engineering dates back to at least 2700 BC when the step pyramid for Pharaoh Djoser was built by Imhotep, the first engineer in history known by name. Pyramids were the most common major structures built by ancient… … Wikipedia
List of theorems — This is a list of theorems, by Wikipedia page. See also *list of fundamental theorems *list of lemmas *list of conjectures *list of inequalities *list of mathematical proofs *list of misnamed theorems *Existence theorem *Classification of finite… … Wikipedia
Energy principles in structural mechanics — express the relationships between stresses, strains or deformations, displacements, material properties, and external effects in the form of energy or work done by internal and external forces. Since energy is a scalar quantity, these… … Wikipedia
Structural analysis — comprises the set of physical laws and mathematics required to study and predict the behavior of structures. The subjects of structural analysis are engineering artifacts whose integrity is judged largely based upon their ability to withstand… … Wikipedia

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