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The first constitutive equation (constitutive law) was developed by Robert Hooke and is known as Hooke's law.It deals with the case of linear elastic materials.Following this discovery, this type of equation, often called a "stress-strain relation" in this example, but also called a "constitutive assumption" or an "equation of state" was commonly used.
Robert Hooke FRS (/ h ʊ k /; 18 July 1635 – 3 March 1703) [4] [a] was an English polymath who was active as a physicist ("natural philosopher"), astronomer, geologist, meteorologist and architect. [5]
Robert Hooke published his ideas about the "System of the World" in the 1660s, when he read to the Royal Society on March 21, 1666, a paper "concerning the inflection of a direct motion into a curve by a supervening attractive principle", and he published them again in somewhat developed form in 1674, as an addition to "An Attempt to Prove the Motion of the Earth from Observations". [6]
Hooke's law: The tension on a spring or other elastic object is proportional to the displacement from the equilibrium. Frequently cited in Latin as "Ut tensio sic vis." Named after Robert Hooke (1635–1703). Hotelling's law in economics: Under some conditions, it is rational for competitors to make their products as nearly identical as possible.
In January 1684, Edmond Halley, Christopher Wren and Robert Hooke had a conversation in which Hooke claimed to not only have derived the inverse-square law but also all the laws of planetary motion. Wren was unconvinced, Hooke did not produce the claimed derivation although the others gave him time to do it, and Halley, who could derive the ...
Robert Hooke became involved, through his work for Willis and then Boyle. [16] It has been suggested that Daniel Coxe was also linked to the club in the later 1650s. [17] The Oxford circle drew a constitution which called for each member to contribute with a lecture or a demonstration.
The government of Charles II solicited plans to rebuild the city, and inspired designs were submitted by architect Christopher Wren, scientist Robert Hooke, cartographer Richard Newcourt, and landscape planner and polymath John Evelyn. Their designs influenced city planning in the areas of public health and safety, land use efficiency, and ...
Robert Hooke: 1635–1703: English: Probably the leading experimenter of his age, Curator of Experiments for the Royal Society. Performed the work which quantified such concepts as Boyle's Law and the inverse-square nature of gravitation, father of the science of microscopy. Wilhelm von Humboldt: 1767–1835: German