Coupling analysis method of finite element and infinite element is proposed to be used in the structural anti-seismic analysis of metro tunnel on the basis of soil-structure interaction theory.
在土体与结构动力相互作用理论的基础上，提出用有限元和无限元耦合分析法对地铁隧道结构进行抗震分析。
2
The High-Temperature Multiphase-flow Wind Tunnel is a big inertia and strong coupling system, and conventional PID control system is unable to satisfy it.
高温多相流风洞是一个大惯性、强耦合的系统，常规PID控制难以满足要求。
3
Cavern tunnel diseases, mostly forming underground stress field under the action of damage, seepage, temperature and other factors, are very complicated nonlinear coupling process.