《特邀报告 第253期》Stephan Rudykh 教授：不稳定性驱动的软磁活性材料动态可调功能图案形成

以下内容根据公开信息整理，并经大模型处理生成，可能存在疏漏或误差，请以实际信息为准。

• 题目: 不稳定性驱动的软磁活性材料动态可调功能图案形成
• 主讲人：Stephan Rudykh 教授 @ University of Galway
• 时间：2026年9月22日 10:30
• 地点：工程学院北楼 1019 室

主讲人简介

Prof. Stephan Rudykh is currently leading his ERC project at the University of Galway. Previously, he was on the faculty of the Department of Mechanical Engineering at the University of Wisconsin-Madison, and the Faculty of Aerospace Engineering at the Technion, which he joined after his postdoctoral training in the Mary C. Boyce Lab at MIT. Stephan Rudykh gained his Ph.D. from Ben-Gurion University; he was a visiting graduate student at Caltech (with Prof. Kaushik Bhattacharya) and Harvard (with Prof. Katia Bertoldi). Stephan received his MS and BS from Saint Petersburg Polytechnical University. Stephan Rudykh has authored over 100 journal publications and currently serves as the Editor of Advances in Applied Mechanics (an Elsevier series published since 1948, established by Theodor von Karman, featuring the most prominent figures in mechanics), and as an Associate Editor for Mechanics of Soft Materials by Springer, among other editorial roles. Rudykh’s research focuses on the mechanics and physics of soft microstructured materials, including soft active materials, bioinspired materials, switchable functional composites, and biological tissues. He uses a combination of analytical and computational approaches, as well as 3D printing and experiments, to understand the nonlinear behavior of these materials.

讲座简介

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 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, novel actuators and sensors, and biomedical devices.

In this presentation, I will specifically focus on the role of microstructures in the performance of deformable magneto-active composites. We will consider how large magneto-mechanical 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 will be discussed. Analytical and numerical findings, as well as experimental results of 3D-printed soft composites, will illustrate the ideas.

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