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Stochastic variational principles for dissipative equations with advected quantities

2018-04-16 11:42    
主题:
Stochastic variational principles for dissipative equations with advected quantities
时间:
2018-04-18 16:00-17:00
地点:
卫津路校区6号楼111教室
主讲人:
陈昕

主讲人简介

上海交通大学特别研究员

演讲内容介绍

     We present symmetry reduction for material stochastic Lagrangian systems with advected quantities whose configuration space is a Lie group. Such variational principles yield deterministic as well as stochastic constrained variational principles for dissipative equations of motion in spatial representation. We apply this technique to the compressible Navier-Stokes equation and to magneto-hydrodynamics for charged viscous compressible fluids. A stochastic Kelvin-Noether theorem is derived. This talk is based on a joint work with Ana Bela Cruzeiro and Tudor Ratiu.

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