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威斯康星大学麦迪逊分校机械工程系Rudykh教授到我院做学术报告
2019-04-20  

威斯康星大学麦迪逊分校机械工程系Rudykh教授到我院做学术报告

应宁波大学机械工程与力学学院邀请,威斯康星大学麦迪逊分校机械工程系Rudykh教授于2019412日在学院208会议室给老师和同学们做了题为“Instabilities for Dynamically Tunable Patterns and Functions of Soft Materials”的学术报告。

Rudykh教授主要向学院师生介绍了其研究团队在软功能材料的物理和力学性能的研究成功。在本次报告中,Rudykh教授着重给学院师生讲解了微观结构特征对软体功能材料的力学和物理性能的影响。

Rudykh教授的报告吸引了很多学院的师生前来参加,报告厅里座无虚席,观众对他的介绍反应热烈,不时有深入的讨论和问题。这次报告也吸引了学校之外的许多听众,反映了大家对赵教授的研究工作的高度关注。

 

Invited by the School of Mechanical Engineering and Mechanics of Ningbo University, Dr. Stephan Rudykh, an assistant professor at the University of Wisconsin Madison, presented a talk entitled "Instabilities for Dynamically Tunable Patterns and Functions of Soft Materials" to a broad audience of researchers and graduate students on Apr 12, 2019.

 

Dr. Rudykh introduced recent works by his group on the mechanics and physics of soft microstructured materials including soft active materials, bioinspired materials, switchable functional composites, and biological tissues. Nature actively uses sophisticated designs of microstructures to achieve astonishing material properties and functionalities. Thus, microstructures give rise to the incredible toughness of mother-of-pearl. Another example is an octopus, an amazingly effective soft machine created by the nature. The creature can squeeze its whole body through an extremely narrow space while preserving a large variety of functionalities. The nature created soft machine comprises highly deformable composites that are characterized by different dynamically tunable microstructures and phase properties, depending on the required functionalities. Indeed, such materials are highly desirable for many applications including human-interactive soft robotics, and novel actuators and sensors, and biomedical devices.

In his presentation, he specifically focused on the role of microstructures in the performance of deformable multifunctional composites. He considered how large deformations and elastic instabilities can be used to trigger dramatic pattern transformations, and to control a large variety of functionalities; in particular, the design of switchable acoustic metamaterials was discussed. Recently discovered new type of instability-induced domain formations in soft composites will be presented.  Analytical and numerical findings, as well as experimental results of 3D-printed soft composites will illustrate the ideas.

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