bulk modulus

(redirected from bulk moduli)
Also found in: Thesaurus, Encyclopedia.

bulk modulus

n
(General Physics) a coefficient of elasticity of a substance equal to minus the ratio of the applied stress (p) to the resulting fractional change in volume (dV/V) in a specified reference state (dV/V is the bulk strain). Symbol: K
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.bulk modulus - the ratio of the change in pressure acting on a volume to the fractional change in volume
coefficient of elasticity, elastic modulus, modulus of elasticity - (physics) the ratio of the applied stress to the change in shape of an elastic body
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
References in periodicals archive ?
For example, the elastic coefficients, bulk moduli, and shear moduli of LiFeAs crystals have been calculated from the first principles using the full-potential linearized augmented plane wave (FLAPW) method [12].
With different bulk moduli, the compressibility values of the air and water voids are different.
After optimizing and comparing the lattice constants via the GGA methods, the elastic and bulk moduli were also calculated using the GGA methods (PAW (VASP), PBE, RPBE, and PW91 (CASTEP)).
An analytical model providing simultaneous, self-consistent representations of the temperature and porosity dependence of the elastic and bulk moduli of polycrystalline ceramics is applied to data compiled from the literature for 24 oxide ceramics.
A viscoelastic analysis was not attempted in the program set, because of a shortage of meaningful test data (degradation of shear and bulk moduli with time, in terms of Prony series).
Cohen and his Berkeley colleague Amy Liu began using the formula to predict the bulk moduli of materials.
From the total energy curves, the ground state lattice constants and bulk moduli [B.sub.0] have been obtained and are compared to available experimental data in Table 1.