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The depression of pour point of a petroleum fraction with high wax content is commonly based on either the dispersion of the long chain paraffins using some dispersive materials or via the cracking of these paraffins into short chains.
Support for anisotropic dispersive materials (tensor σ parameter).
Fixed bug which sometimes prevented dispersive materials from being used in PML regions.
Support for "thermal" dispersive materials which include noise term in the polarization.
See Materials in Meep for how to include dispersive materials (which can have negative ε and loss) in Meep.
These are especially useful to add a desired dissipation loss (an imaginary part of ε/μ) in a narrow bandwidth, without messing around with Lorentzian dispersive materials.
Similar(44)
In this work, the emphasis is on the study of various cloaking parameters like dispersive material properties, cloak dimensions, material losses which influence the real implementation of cloak.
To avoid small time steps introduced by the transformation optics approach, an additional application of the mapping of the material matrix to a dispersive material model is employed.
This technique involves assuming a Linear Time Varying (LTV) model for the ultrasonic inspection of dispersive material.
Here we present a facile method for the preparation of highly dispersive ZnO materials by using ionic liquid 1-methyl-3-[3′- trimethoxysilyl) propyl] imidazolium chloride as the template.
(To model imperfect conductors, use a dispersive dielectric material). See also the predefined variables metal, perfect-electric-conductor, and perfect-magnetic-conductor above.
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