%0 Journal Article
%T Variational Approach to Free Motion in the Earth''''s Fluid Outer Core<br>液核自由运动的变分方法
%A XU Jian Qiao
%A SUN He Ping FU Rong Shan College of Earth
%A Space Sciences
%A University of Science
%A Technology of China
%A Hefei
%A China Key Laboratory of Dynamic Geodesy
%A Institute of Geodesy
%A Geophysics
%A Chinese Academy of Sciences
%A Wuhan
%A China
%A <br>徐建桥
%A 孙和平
%A 傅容珊
%J 地球物理学报
%D 2004
%I 
%X 从流体静力平衡地球的弹性-引力运动动量方程出发，以角动量方程控制弹性地幔、液态外核和弹性内核之间的相对转动，在球对称近似下考虑了地幔和内核对液核边界扰动的形变响应，并以此作为液核边界运动的约束条件．根据地球简正模对称性的一般特征，建立了自转、非黏性、椭球分层流体外核自由振荡运动的变分原理并给出了相应的泛函．
%K Hydrostatic equilibrium
%K Free oscillations in the fluid outer core
%K Variational principle
%K Functional<br>流体静力平衡
%K 形变响应
%K 液核自由振荡
%K 变分原理
%U http://www.alljournals.cn/get_abstract_url.aspx?pcid=E62459D214FD64A3C8082E4ED1ABABED5711027BBBDDD35B&cid=1E44AE713D8A6DE0&jid=14DC41C59CBF6770055A7D610D53AE46&aid=D995B8406FCFCE5B&yid=D0E58B75BFD8E51C&vid=F4B561950EE1D31A&iid=CA4FD0336C81A37A&sid=1D0FA33DA02ABACD&eid=67969BA850333433&journal_id=0001-5733&journal_name=地球物理学报&referenced_num=2&reference_num=37