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Article Feature

Hovering Rotor CFD with Flow360 (Part 3 of 3)

13 Sep 2023 By CJ Doolittle

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In this series of articles, we highlight our efforts to accurately model the flow physics of a hovering helicopter rotor in isolation and installed on a fuselage using the solver Flow360. In Part I, the motivation for the simulations was discussed. Part II provided details on the computational setup, including the rotor blade geometry, the Flow360 CFD solver, the treatment of turbulence, the computational grid, and the sliding interface methodology. Part III presents the simulation results, including the effect of...

Article Feature

Hovering Rotor CFD with Flow360 (Part 2 of 3)

05 Sep 2023 By CJ Doolittle

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In this series of articles, we highlight our efforts to accurately model the flow physics of a hovering helicopter rotor in isolation and installed on a fuselage using the solver Flow360. In Part I, the motivation for the simulations is discussed. Part II provides details on the computational setup, including the rotor blade geometry, the Flow360 CFD solver, the treatment of turbulence, the computational grid, and the sliding interface methodology. Part III presents the simulation results, including the effect of...

Tidy3D Modeling of a Hyperbolic Surface Phonon Polariton Metamaterial

02 Aug 2023 By Tom Chen

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Nanophotonics is an emerging field that involves the study and application of light-matter interactions at the nanoscale. In recent years, advances in nanofabrication techniques have enabled the development of optical devices and components that are much smaller than the wavelength of light. These nanostructured devices exhibit novel optical properties that are not observed in bulk materials, making them promising candidates for a wide range of photonic applications. In a landmark study published in Science, the lead author Dr. Peining Li...

Article Feature

Hovering Rotor CFD with Flow360 (Part 1 of 3)

12 Jul 2023 By CJ Doolittle

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In this series of articles, we highlight our efforts to accurately model the flow physics of a hovering helicopter rotor in isolation and installed on a fuselage using the solver Flow360. In Part I, the motivation for the simulations is discussed. Part II provides details on the computational setup, including the rotor blade geometry, the Flow360 CFD solver, the treatment of turbulence, the computational grid, and the sliding interface methodology. Part III presents the simulation results, including the effect of...

Article Case Study

Tidy3D Modeling of Exceptional Coupling for Waveguide Crosstalk Reduction

11 Jul 2023 By Tom Chen

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Current technological trends emphasize the dense integration of photonic components on a chip. However, as the proximity between these components increases, the issue of crosstalk becomes more significant and detrimental. Therefore, photonic engineers need to apply other design ideas to actively minimize the crosstalk. The research group led by Professor Sangsik Kim utilized anisotropic metamaterial cladding to achieve a remarkable reduction of crosstalk by leveraging exceptional coupling. Their novel designs have led to subsequent publications in Optica and Light: Science...

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