Lagrangian densities是什么意思

用法例句

By adopting the gauge conditions,we derive out the Lagrangian densities of gauge fields,Higgs fields,gauge appendixes and ghost fields,and then present the Feynman rules in electroweak gauge theo- ry.

在R_ε规范条件下,导出了规范场、希格斯场、规范固定项及鬼场的拉格朗日密度,并据此给出了弱电统一规范理论中的费曼规则。

Free surface fluid flow analysis by Lagrangian finite element method;

带自由面流体运动的拉格朗日有限元分析

A new model was created by combination of a chemical model for the gas phase chemistry of the atmospheric boundary layer with a lagrangian model for the long-range transport of air pollutants.

建立了一个将空气污染物远距离输送和大气边界层内气相化学反应模式相结合的拉格朗日模式,并应用于华南的酸雨研究。

The Lagrangian,Eulerian and Arbitrary Lagrangian-Eulerian descriptions are discussed for finite element method in this paper.

对拉格朗日、欧拉和任意拉格朗日-欧拉三种描述方法进行了分析,为了便于理解给出了三种描述的参考构形和参考坐标系,在参考坐标系下根据物质导数的定义分别得到相应的速度和加速度,并进行比较,将三种描述方法的区别列于表中,清晰地阐述了三种描述之间的相互关系, 并进行了有限元分析。