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  2. Zener ratio - Wikipedia

    en.wikipedia.org/wiki/Zener_ratio

    The Tensorial Anisotropy Index A T [5] extends the Zener ratio for fully anisotropic materials and overcomes the limitation of the AU that is designed for materials exhibiting internal symmetries of elastic crystals, which is not always observed in multi-component composites. It takes into consideration all the 21 coefficients of the fully ...

  3. Endolymph - Wikipedia

    en.wikipedia.org/wiki/Endolymph

    Endolymph is the fluid contained in the membranous labyrinth of the inner ear. The major cation in endolymph is potassium, with the values of sodium and potassium concentration in the endolymph being 0.91 mM and 154 mM, respectively. [1] It is also called Scarpa's fluid, after Antonio Scarpa. [2]

  4. Upper-convected Maxwell model - Wikipedia

    en.wikipedia.org/wiki/Upper-convected_Maxwell_model

    For this case only two components of the shear stress became non-zero: = ˙ and = ˙ where ˙ is the shear rate.. Thus, the upper-convected Maxwell model predicts for the simple shear that shear stress to be proportional to the shear rate and the first difference of normal stresses is proportional to the square of the shear rate, the second difference of normal stresses is always zero.

  5. Prediction of crystal properties by numerical simulation

    en.wikipedia.org/wiki/Prediction_of_crystal...

    The net force on each ion is generally calculated explicitly at each numerical step. From this, the stress tensor of the system can be calculated and usually is calculated by the numerical package. By varying the convergence criteria, one can either seek a lowest energy structure or a structure that produces a desired stress tensor.

  6. Permeability (materials science) - Wikipedia

    en.wikipedia.org/wiki/Permeability_(Materials...

    The tensor is symmetric by the Onsager reciprocal relations; The tensor is positive definite because the energy being expended (the inner product of fluid flow and negative pressure gradient) is always positive; The permeability tensor is always diagonalizable (being both symmetric and positive definite).

  7. Otolith - Wikipedia

    en.wikipedia.org/wiki/Otolith

    An otolith (Ancient Greek: ὠτο-, ōto-ear + λῐ́θος, líthos, a stone), also called otoconium, statolith, or statoconium, is a calcium carbonate structure in the saccule or utricle of the inner ear, specifically in the vestibular system of vertebrates. The saccule and utricle, in turn, together make the otolith organs.

  8. Viscous stress tensor - Wikipedia

    en.wikipedia.org/wiki/Viscous_stress_tensor

    The strain rate tensor E(p, t) is symmetric by definition, so it has only six linearly independent elements. Therefore, the viscosity tensor μ has only 6 × 9 = 54 degrees of freedom rather than 81. In most fluids the viscous stress tensor too is symmetric, which further reduces the number of viscosity parameters to 6 × 6 = 36.

  9. List of physical quantities - Wikipedia

    en.wikipedia.org/wiki/List_of_physical_quantities

    The measure of the internal friction in a fluid Pa⋅s L-1 M T-1: intensive, scalar Volume: V: Three dimensional extent of an object m 3: L 3: extensive, scalar Volumetric flow rate: Q: Rate of change of volume with respect to time m 3 ⋅s −1: L 3 T −1: extensive, scalar Wavelength: λ: Perpendicular distance between repeating units of a ...