Istituto di Matematica Applicata e Tecnologie Informatiche     
Sonnet A. M., Virga E. G. Dynamics of dissipative ordered fluids. Preprint ercim.cnr.ian//2001-1262, 2001.
A variational principle is proposed which allows to derive the equations of motion for a fluid with a general microstructure described by a tensorial order parameter. The only constitutive ingredients are the densities of the free energy and the dissipation, both subject to appropriate invariance requirements. As an illustration, it is shown how the hydrodynamic theory for uniaxial nematic liquid crystals can be derived within this setting.
Subject Complex fluids

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