bulk modulus

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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
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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
References in periodicals archive ?
where G and K are the shear and the bulk moduli, respectively, [[tau].
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.
This is considerably less than their ratio of their uniaxial tensile stiffnesses, but relatively close to the ratio of the tabulated bulk moduli of these polymers.
As indicated earlier, FEA requires decay in shear and bulk moduli, not the compressive.
Section three presents a newer method to monitor shear and bulk moduli of rubber under recycling temperature and the circulation of fluids.