袁小龙,韩晓健
基于OpenSees的混合试验方法
袁小龙,韩晓健
摘 要:采用有限元软件OpenSees进行数值子结构的模拟,并通过接口程序OpenFresco和MTS控制器构成混合试验系统,进行了单层平面钢框架抗震性能的混合试验仿真和混合试验。研究结果表明:混合试验方法能够有效地进行结构抗震性能试验,有限元软件、接口程序和控制系统之间通过数据实时交互完成整个试验,试验系统具备良好的稳定性和精度。
Abstract: The numerical substructures are simulated by using a professional finite element software OpenSees, and a hybrid testing system is established through the interface program OpenFresco and the MTS experimental controller. Then, a hybrid simulation and a hybrid testing of anti-seismic property of the plane single-story steel frame are carried out. The results show that: using hybrid testing method to study anti-seismic property of structures is feasible, through data real-time interaction of the finite element software, the interface program and the experimental control system, the test is accomplished, and the testing system has good stability and accuracy.
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