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首页> 外文期刊>Communications in mathematical sciences >PULLBACK DYNAMICAL BEHAVIORS OF THE NON-AUTONOMOUS MICROPOLAR FLUID FLOWS WITH MINIMALLY REGULAR FORCE AND MOMENT
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PULLBACK DYNAMICAL BEHAVIORS OF THE NON-AUTONOMOUS MICROPOLAR FLUID FLOWS WITH MINIMALLY REGULAR FORCE AND MOMENT

机译:非自主微柱液的回调动力学行为用微小的力和时刻流动

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摘要

In this paper, we investigate the pullback asymptotic behaviors of solutions for the nonautonomous micropolar fluid flows in 2D bounded domains. Firstly, when the force and the moment have a little additional regularity, we make use of the semigrouy method and epsilon-regularity method to obtain the existence of a compact pullback absorbing family in (H) over cap and (V) over cap, respectively. Then, applying the global well-posedness and the estimates of the solutions, we verify the flattening property (also known as the "Condition (C)") of the generated evolution process for the universe of fixed bounded sets and for another universe with a tempered condition in spaces (H) over cap and (V) over cap, respectively. Further, we show the existence and regularity of the pullback attractors of the evolution process. Compared with the regularity of the force and the moment of [31], here we only need the minimal regularity of the force and the moment.
机译:在本文中,我们研究了在2D界域中的非自治微柱流动的溶液对溶解的回归渐近行为。 首先,当力和那一刻有一点额外规律性时,我们利用半沟法和ε-规律方法,以分别在盖子上(h)上的紧凑型背驮式吸收家庭的存在 。 然后,应用全球良好的良好和解决方案的估计,我们验证了固定有界集的宇宙宇宙的生成演化过程的扁平化物质(也称为“条件(c)”)和另一个宇宙 在盖子上的空间(h)中的钢状况(h)和(v)覆盖物。 此外,我们展示了进化过程的回调吸引子的存在和规律性。 与力的规律性和[31]的正规相比,这里我们只需要力量的最小规律性。

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