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Article

What fields and industries can benefit from FDTD simulations?

09 Nov 2023 By TOM CHEN

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The finite-difference time-domain (FDTD) method, as implemented in Tidy3D, is used to rigorously solve Maxwell’s equations to quantitatively describe the complex interactions of electromagnetic waves with different materials and structures. It has found a plethora of applications spamming a wide frequency range, from below radio frequency (RF) in the MHz scale to above ultraviolet (UV) with a wavelength below 100 nm. FDTD simulations are widely used in device design, validation, and verification across many fields, including telecommunications, integrated photonics, lens...

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...

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