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In continuum mechanics, the infinitesimal strain theory is a mathematical approach to the description of the deformation of a solid body in which the displacements of the material particles are assumed to be much smaller (indeed, infinitesimally smaller) than any relevant dimension of the body; so that its geometry and the constitutive properties of the material (such as density and stiffness ...
The method of incremental deformation can be used to solve static, [2] quasi-static [3] and time-dependent problems. [4] The governing equations of the motion are ones of the classical mechanics, such as the conservation of mass and the balance of linear and angular momentum, which provide the equilibrium configuration of the material. [5]
A Leibniz wheel or stepped drum is a cylinder with a set of teeth of incremental lengths which, when coupled to a counting wheel, can be used in the calculating engine of a class of mechanical calculators. Invented by Leibniz in 1673, it was used for three centuries until the advent of the electronic calculator in the mid-1970s.
In the mathematical theory of probability, Blumenthal's zero–one law, [1] named after Robert McCallum Blumenthal, is a statement about the nature of the beginnings of right continuous Feller process.
This is a thermodynamic argument, and kinetics are ignored. As determined by the enthalpies below the corresponding molecules, the enthalpy of reaction for 2-methyl-1-butene going to 2-methyl-butane is −29.07 kcal/mol, which is in great agreement with the value calculated from NIST, [15] −28.31 kcal/mol. For 2-butanone going to 2-butanol ...
Dollar cost averaging: If an individual invested $500 per month into the stock market for 40 years at a 10% annual return rate, they would have an ending balance of over $2.5 million. Dollar cost averaging (DCA) is an investment strategy that aims to apply value investing principles to regular investment.
[11] UTF-8, the dominant character encoding for the World Wide Web, [12] was designed by Ken Thompson and Rob Pike on a placemat. [13] The Bailey bridge is a type of portable, pre-fabricated, truss bridge and was extensively used by British, Canadian and US military engineering units.
Incremental validity is a type of statistical validity that assesses whether a new psychometric assessment has more predictive ability than existing methods of assessment. [1] It seeks to determine whether the new assessment adds information that cannot be obtained with simpler, already existing methods.