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** Apparent surface dipole moment **

** Surface Coulomb problem dipole moments **

Figure 11 Components of the tensors (a) of the surface stresses, g , and (b) of the surface moments (torques), M. |

To derive a dynamic theory one can of course extend the above formulation of equilibrium theory employing generalized body and surface forces as in the initial derivation [7,15]. Here, however, we prefer a different approach [46], which, besides providing an alternative, is more direct in that it follows traditional continuum mechanics more closely, although introducing body and surface moments usually excluded, as well as a new kinematic variable to describe alignment of the anisotropic axis. [Pg.70]

Here x represents the position vector, K is the external body moment per unit volume, and t is any surface moment per unit area. In this equation, the velocity v is subject to the constraint... [Pg.245]

We shall always assume isothermal conditions and therefore ignore thermal effects. In these circumstances, as in any classically based continuum theory, conservation laws for mass, linear momentum and angular momentum must hold. The balance law for linear momentum, given below, is basically similar to that for an isotropic fluid, except that the resulting stress tensor (to be derived later) need not be symmetric. The balance law for angular momentum is also suitably augmented to include explicit external body and surface moments. [Pg.138]

If u denotes the outward unit normal to the surface 5, then the usual tetrahedron argument [161, p.l29] shows that the surface force U and surface moment U are expressible in terms of the stress tensor tij and couple stress tensor lij respectively, through the relations... [Pg.139]

** Apparent surface dipole moment **

** Surface Coulomb problem dipole moments **

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