The paper presents a new symmetric coupling approach of BEM and FEM, which is based on the sub-region variational principle.
本文从弹性力学分区变分原理出发，提出一种新的有限元与边界元的对称耦合方法。
The method can decrease coupling degree of system, when a course of sub-task is collapsed, execution of integral task can not be affected, and running efficiency of system is increased.
采用本发明方法，可降低系统耦合度，当一个子任务的进程崩溃时，不会 影响整个任务的执行，提高了系统运行效率。
For the multidisciplinary design optimization (MDO) of spacecraft with sub-vehicles, system mission requirements and disciplinary coupling relations are analyzed.
针对带子星航天器总体参数多学科设计优化（MDO）问题，进行系统任务分析和学科耦合关系分析。
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