马尔凯理工大学土木与建筑工程系教授,博士生导师,意大利理论与应用力学协会(AIMETA)主席Stefano Lenc应邀来我校讲学
发布日期:2019-05-21
浏览次数:
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70
周年学术活动
土木学术讲坛第
16
4
期
报告题目:Dynamical Integrity: a step after stability
报告人:Stefano Lenci 教授
时间:2019年5月24日
(
周五
)
上午10:00-11:30
地点:土木楼301
人物简介:

A
bstract:
It is nowadays understood that, for engineering systems the stability of solution in classical (Lyapunov) sense is not enough for practical purposes, since the solution may have a basin of attractions very narrow and such that even small imperfections/disturbances may lead the system to another coexisting solution, commonly representing an engineering unwanted outcome for the system. It is not only a matter of smallness of basins of attraction, as the basin may be large but very fractal, with only a small compact part. The investigation of this topic, which consists of determining the robustness of the solution, or its "practical stability", is named dynamical integrity and entails investigating the properties of safe basin. It is the object of this presentation.
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