About Ying Wu Ying Wu Program Chair, Applied Mathematics and Computational Science phononics metamaterials wave propagation Acoustics Professor Wu works on theoretical modeling and numerical simulations of classical wave propagation in complex media, including metamaterials, metasurfaces, topological materials and random systems. She is recognized by effective medium theory, perturbation theory for periodic structures with resonances. Events Presented Events Apr 13 - Apr 19, 2025 Homogenization and Wave Functional Materials Ying Wu, Program Chair, Applied Mathematics and Computational Science Apr 17, 12:00 - 13:00 B9 L2 R2325 Wave functional materials Homogenization In this talk, I will give a brief review on the progress from on homogenization and its impact on achieving unusual wave functional materials, such as zero-index materials in which the effective refractive index is vanishing. Mar 17 - Mar 23, 2024 Crafting Artificial Material Marvels: Innovative Modeling Techniques for Exotic Designs Ying Wu, Program Chair, Applied Mathematics and Computational Science Mar 19, 16:00 - 17:30 B9 L2 H2 Artificial materials represent composite media that can be meticulously engineered to exhibit unique wave propagation behaviors. Our research endeavors are driven by the intriguing principles underlying these materials, such as effective models, and their broad applications, including perfect absorption. In this presentation, I will outline our recent advancements in our innovative design strategies for novel artificial materials from both forward first-principle physics-based modeling and data-driven approaches. Specifically, I will highlight our pioneering work in the designs of double-zero-index materials for both electromagnetic and acoustic waves. Additionally, I will discuss our discovery of the acoustic Purcell effect for enhanced emission, as well as our development of analytic and numerical solutions for space-time modulated wave systems. Furthermore, I will delve into our practical solution for achieving broad frequency cloaking of invisibility. These accomplishments hold significant promise for a wide range of applications spanning sound control, communication, sensing, imaging and more. Sep 3 - Sep 9, 2023 Waves Functional Materials - 2023-09-03 Ying Wu, Program Chair, Applied Mathematics and Computational Science Sep 3, 12:00 - 13:00 B9 L2 H2 Wave functional materials Metasurfaces I will introduce the development of effective medium and deep learning models, two distinct methods in the design of metamaterials, followed by some illustrative examples demonstrating the intriguing properties, such as redirection, emission rate enhancement, wave steering, and cloaking. Feb 26 - Mar 4, 2023 Controlling acoustic wave propagation via rotational motion Ying Wu, Program Chair, Applied Mathematics and Computational Science Feb 27, 12:00 - 13:00 B9 L2 H2 H2 acoustic waves Propagation of acoustic waves in time-varying and/or moving media has attracted a lot of attentions and is expected to lead to many intriguing applications. In this talk, I will discuss our recent work on acoustic wave propagation in spinning media (air or water). I will start with a review of the theoretical foundation built upon the Mie scattering framework, in which both the wave equation and the boundary conditions will be specifically discussed. The study is limited in the linear regime and exhibit the peculiar scattering features. Feb 5 - Feb 11, 2023 Waves Functional Materials - 2023-02-05 Ying Wu, Program Chair, Applied Mathematics and Computational Science Feb 5, 12:00 - 13:00 B9 L2 H2 Waves Functional Materials Wave functional materials are artificial materials that can control wave propagation as wish. In this talk, I will give a brief review on the progress of wave functional materials and reveal the secret behind the engineering of these materials to achieve desired properties. In particular, I will focus on our contributions on metamaterials and metasurfaces. Sep 18 - Sep 24, 2022 Waves Functional Materials: From theory to applications Ying Wu, Program Chair, Applied Mathematics and Computational Science Sep 20, 12:00 - 13:00 B9 L2 R2322 waves Wave functional materials Applications No abstract is available. Mar 28 - Apr 3, 2021 Waves Functional Materials - 2021-04-01 Ying Wu, Program Chair, Applied Mathematics and Computational Science Apr 1, 12:00 - 13:00 KAUST Wave functional materials are artificial materials that can control wave propagation as wish. In this talk, I will give a brief review on the progress of wave functional materials and reveal the secret behind the engineering of these materials to achieve desired properties. In particular, I will focus on our contributions on metamaterials and metasurfaces. I will introduce the development of effective medium, a powerful tool in modeling wave functional materials, followed by some illustrative examples demonstrating the intriguing properties, such as redirection, emission rate enhancement, wave steering and cloaking. Nov 15 - Nov 21, 2020 Waves Functional Materials - 2020-11-15 Ying Wu, Program Chair, Applied Mathematics and Computational Science Nov 15, 12:00 - 13:00 KAUST waves Functional Materials Wave functional materials are artificial materials that can control wave propagation as wish. In this talk, I will give a brief review on the progress of wave functional materials and reveal the secret behind the engineering of these materials to achieve desired properties. In particular, I will focus on our contributions on metamaterials and metasurfaces. I will introduce the development of effective medium, a powerful tool in modeling wave functional materials, followed by some illustrative examples demonstrating the intriguing properties, such as redirection, emission rate enhancement, wave steering and cloaking. Sep 15 - Sep 21, 2019 Waves Functional Materials - 2019-09-15 Ying Wu, Program Chair, Applied Mathematics and Computational Science Sep 15, 12:00 - 13:00 B9 L2 H1 R2322 Wave functional materials wave propagation control metamaterials Metasurfaces effective medium redirection emission rate Wave functional materials are artificial materials that can control wave propagation as wished. In this talk, I will give a brief review of the progress of wave functional materials and reveal the secret behind the engineering of these materials to achieve desired properties. Sep 8 - Sep 14, 2019 Waves in Complex Media: Theories and Applications Ying Wu, Program Chair, Applied Mathematics and Computational Science Sep 12, 12:00 - 13:00 B9 L2 H1 We focus on the theoretical modeling and numerical simulation of classical wave propagation in complex systems, such as periodic structures and random media. In this talk, I will give an overview of the research conducted in our group by emphasizing on three major aspects: numerical method, homogenization, and applications in artificial materials.
Homogenization and Wave Functional Materials Ying Wu, Program Chair, Applied Mathematics and Computational Science Apr 17, 12:00 - 13:00 B9 L2 R2325 Wave functional materials Homogenization In this talk, I will give a brief review on the progress from on homogenization and its impact on achieving unusual wave functional materials, such as zero-index materials in which the effective refractive index is vanishing.
Crafting Artificial Material Marvels: Innovative Modeling Techniques for Exotic Designs Ying Wu, Program Chair, Applied Mathematics and Computational Science Mar 19, 16:00 - 17:30 B9 L2 H2 Artificial materials represent composite media that can be meticulously engineered to exhibit unique wave propagation behaviors. Our research endeavors are driven by the intriguing principles underlying these materials, such as effective models, and their broad applications, including perfect absorption. In this presentation, I will outline our recent advancements in our innovative design strategies for novel artificial materials from both forward first-principle physics-based modeling and data-driven approaches. Specifically, I will highlight our pioneering work in the designs of double-zero-index materials for both electromagnetic and acoustic waves. Additionally, I will discuss our discovery of the acoustic Purcell effect for enhanced emission, as well as our development of analytic and numerical solutions for space-time modulated wave systems. Furthermore, I will delve into our practical solution for achieving broad frequency cloaking of invisibility. These accomplishments hold significant promise for a wide range of applications spanning sound control, communication, sensing, imaging and more.
Waves Functional Materials - 2023-09-03 Ying Wu, Program Chair, Applied Mathematics and Computational Science Sep 3, 12:00 - 13:00 B9 L2 H2 Wave functional materials Metasurfaces I will introduce the development of effective medium and deep learning models, two distinct methods in the design of metamaterials, followed by some illustrative examples demonstrating the intriguing properties, such as redirection, emission rate enhancement, wave steering, and cloaking.
Controlling acoustic wave propagation via rotational motion Ying Wu, Program Chair, Applied Mathematics and Computational Science Feb 27, 12:00 - 13:00 B9 L2 H2 H2 acoustic waves Propagation of acoustic waves in time-varying and/or moving media has attracted a lot of attentions and is expected to lead to many intriguing applications. In this talk, I will discuss our recent work on acoustic wave propagation in spinning media (air or water). I will start with a review of the theoretical foundation built upon the Mie scattering framework, in which both the wave equation and the boundary conditions will be specifically discussed. The study is limited in the linear regime and exhibit the peculiar scattering features.
Waves Functional Materials - 2023-02-05 Ying Wu, Program Chair, Applied Mathematics and Computational Science Feb 5, 12:00 - 13:00 B9 L2 H2 Waves Functional Materials Wave functional materials are artificial materials that can control wave propagation as wish. In this talk, I will give a brief review on the progress of wave functional materials and reveal the secret behind the engineering of these materials to achieve desired properties. In particular, I will focus on our contributions on metamaterials and metasurfaces.
Waves Functional Materials: From theory to applications Ying Wu, Program Chair, Applied Mathematics and Computational Science Sep 20, 12:00 - 13:00 B9 L2 R2322 waves Wave functional materials Applications No abstract is available.
Waves Functional Materials - 2021-04-01 Ying Wu, Program Chair, Applied Mathematics and Computational Science Apr 1, 12:00 - 13:00 KAUST Wave functional materials are artificial materials that can control wave propagation as wish. In this talk, I will give a brief review on the progress of wave functional materials and reveal the secret behind the engineering of these materials to achieve desired properties. In particular, I will focus on our contributions on metamaterials and metasurfaces. I will introduce the development of effective medium, a powerful tool in modeling wave functional materials, followed by some illustrative examples demonstrating the intriguing properties, such as redirection, emission rate enhancement, wave steering and cloaking.
Waves Functional Materials - 2020-11-15 Ying Wu, Program Chair, Applied Mathematics and Computational Science Nov 15, 12:00 - 13:00 KAUST waves Functional Materials Wave functional materials are artificial materials that can control wave propagation as wish. In this talk, I will give a brief review on the progress of wave functional materials and reveal the secret behind the engineering of these materials to achieve desired properties. In particular, I will focus on our contributions on metamaterials and metasurfaces. I will introduce the development of effective medium, a powerful tool in modeling wave functional materials, followed by some illustrative examples demonstrating the intriguing properties, such as redirection, emission rate enhancement, wave steering and cloaking.
Waves Functional Materials - 2019-09-15 Ying Wu, Program Chair, Applied Mathematics and Computational Science Sep 15, 12:00 - 13:00 B9 L2 H1 R2322 Wave functional materials wave propagation control metamaterials Metasurfaces effective medium redirection emission rate Wave functional materials are artificial materials that can control wave propagation as wished. In this talk, I will give a brief review of the progress of wave functional materials and reveal the secret behind the engineering of these materials to achieve desired properties.
Waves in Complex Media: Theories and Applications Ying Wu, Program Chair, Applied Mathematics and Computational Science Sep 12, 12:00 - 13:00 B9 L2 H1 We focus on the theoretical modeling and numerical simulation of classical wave propagation in complex systems, such as periodic structures and random media. In this talk, I will give an overview of the research conducted in our group by emphasizing on three major aspects: numerical method, homogenization, and applications in artificial materials.
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