词汇 | isotropy |
释义 | BETA Examples of isotropyisotropy isn’t in the Cambridge Dictionary yet. You can help! Only after minimizing this variation, or in other words maximizing the mechanical isotropy, can one choose suitable actuators and design a controller. This situation clearly illustrates the emission isotropy of the photons that prevails at radiative equilibrium. For dissipation local isotropy this requires a t least that k 9 kp. Another requirement for local isotropy is that the spectral region be at wavenumbers much larger than those a t which turbulent energy production occurs. In our case, we adopt the isotropy index as the measureof-choice to characterize the performance of our cooperative system. To describe the action of this isotropy we first define a 'block of length l ' to be l identical elements which we group together. We now outline the proof that these are the only isotropy subgroups having fixed-point subspace of dimension one (so called 'axial subgroups'). The presence of active small-scale turbulence appears responsible for the continuing isotropy of the smallest eddies. Solutions with isotropy having higher dimensional fixed point subspaces could also occur, but are not guaranteed in this case. It is derived the following criterion: isotropy (no relative error amplification) has to be achieved. Next, the accuracy of the kinematic models is discussed considering their sensitivity or relative error amplification, giving rise to the isotropy concept. We will show that in our setting such a function composed with the isotropy map gives a semicontinuous function. This is in contradiction to broad expectations of local isotropy. The actual problem is characterized by lateral homogeneity and isotropy. If local isotropy is attained, it is likely to be in the viscous (large wave-number) range. Departures from isotropy in the turbulent velocity gradient moments are measurable. The classical phenomenon of the return to isotropy can be observed in the nondistorting duct. |
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