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复杂地形情况下大气动态模型的弱解和吸引子的存在性
  • ISSN号：1003-3998
  • 期刊名称：《数学物理学报：A辑》
  • 时间：0
  • 分类：O175.2[理学—数学;理学—基础数学]
  • 作者机构：[1]北京师范大学数学科学学院,数学与复杂系统教育部重点实验室,北京100875, [2]应用物理和计算数学研究所,北京100080
  • 相关基金：国家自然科学基金重大基金项目（90511009）资助
作者： 黄海洋[1], 郭柏灵
关键词： 大气方程组, 辐散效应, 地形动力强迫作用, 弱解, 轨道吸引子., Atomsphere equations, Divergent effect, Pressing force of topography, Weak solution, Trajectory attractor.
中文摘要：

该文研究了一个适合应用于天气预报的大气模型，模型考虑到地形对大气的动力强迫作用，保留了大气气流的辐散效应．首先采用了适当的函数空间，引入了合理的算子表达形式，将复杂的大气动态方程组用一个简单的抽象的算子方程表示，由此给出了模型弱解的定义．然后利用Galerkin方法证明了弱解的存在性．通过构造大气动态方程组轨道吸引集证明相应的轨道吸引子的存在性．

英文摘要：

In this paper, the model of climate for weather forecast is studied, in which the pressing force of topography on atmosphere and the divergent effect of airflow are included. The suitable space of functions and the reasonable operators are selected to represent the complex atmosphere dynamical equations by the simple abstract operator equation, such that the weak solution can be defined. Then the existence of the weak solution is proved by Galerkin method, and the asymptotic behaviors of the weak solution is described by the trajectory attractors.

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期刊信息
  • 《数学物理学报：A辑》
  • 北大核心期刊（2011版）
  • 主管单位:中国科学院
  • 主办单位:中国科学院武汉物理与数学研究所
  • 主编：李邦河 陈贵强 朱熹平
  • 地址：湖北省武汉市武昌小洪山西路30号武汉71010信箱
  • 邮编：430071
  • 邮箱：actams@wipm.ac.cn
  • 电话：027-87199206
  • 国际标准刊号：ISSN：1003-3998
  • 国内统一刊号：ISSN：42-1226/O
  • 邮发代号:38-214
  • 获奖情况:
  • 国内外数据库收录:
  • 俄罗斯文摘杂志,美国数学评论（网络版）,德国数学文摘,日本日本科学技术振兴机构数据库,中国中国科技核心期刊,中国北大核心期刊（2004版）,中国北大核心期刊（2008版）,中国北大核心期刊（2011版）,中国北大核心期刊（2014版）,中国北大核心期刊（2000版）
  • 被引量:5382