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The current paper describes a computational work ow for the prediction of the acoustic impact of vertical take-o and landing vehicles hovering over an crowded, urban area. The aeroacoustic sources are predicted by using the high-fidelity CFD solver SIMULIA PowerFLOW 6-2019 based on a Lattice-Boltzmann/Very-Large-Eddy-Simulation method. The acoustic propagation in quiescent air is extracted directly from the CFD simulation performed in a domain encompassing both the vehicle and the nearby urban city block. The effects of sound scattering due to the presence of several buildings is analyzed by comparing the noise levels on the surface of the buildings with levels extracted on the same surface from another solution performed without buildings. The potentiality of this technology in the optimization of a ight corridor is highlighted.

Tech Notes

This work describes an application of the Lattice-Boltzmann Method (LBM) software PowerFLOW R to the evaluation of the aerodynamic and aeroacoustic fields around helicopter rotors in strong Blade-Vortex Interaction (BVI) conditions.

Tech Notes

Manatee offers a collaborative simulation and analysis environment designed to quickly and accurately optimize vibro-acoustic performances of electrical systems under electromagnetic excitations. Its user-friendly interface has been developed for electrical, mechanical, acoustic and NVH test engineers.

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Module description of the Manatee V2.3 release

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Manatee offers default workflows to create multiphysics simulation that automatically combine the modelling levels that are the most adapted to the V-model development cycle stage of a given electrical system, from electrical machine basic design phase to system-level detailed design phase. Complementary to these standard workflows defined for electrical, mechanical & NVH engineers, Manatee also allows the creation of user-defined workflows.

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Manatee helps improve e-NVH performance of electrical systems throughout their development life cycle.

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How to ensure e-NVH requirements at system-level, when there is no access to e-machine parameters?

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Manatee can help electrical, mechanical and acoustics (NVH) engineers tackle key e-NVH challenges in electrical system design.

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Press Release

Your guide to efficient product development

EBooks

CST STUDIO SUITEELECTROMAGNETIC FIELD SIMULATION SOFTWARE

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Engineering products are becoming more sophisticated and complex, yet development timescales invariably shorten. In today’s global marketplace, competition is becoming more intense. More than ever before, successful products need to be highly optimized for their target markets. This might demand optimization in different forms such as lower raw material costs, better performance, smaller size or greater efficiency.

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The Simulation Model Build Engineer Role provides the detailed essential mesh and assembly modeling, to reduce non-value-added tasks, and build solver-ready finite element models timely and efficiently.

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New SIMULIA Training Products for specific industrial applications.

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The Composite Structures Performance Engineer role brings end-to-end composite layup designs, material modeling, cut section evaluation – to composite product mesh and assembly, and ultimately composite product performance – to meet or exceed your product minimum weight and high strength requirements.

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Simulation can help test devices like cell phones for electrostatic discharge (ESD) to prevent severe damage to electronic components.

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Battery development is of increasing importance as the world moves towards more green energy solutions. Simulation can help democratize the virtual testing and validation of batteries.

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The 2021 SIMULIA Champions come from multiple industries across the globe. We recently spoke with Andrea Giampieri from Tetra Pak in Italy to find out more about his engineering career and his passion for simulation.

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The Simulation Process Engineer role leverages simulation methods and provides access to key simulation tools.

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Get the latest enhancements for fe-safe.

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This blog post will demonstrate collaborative antenna design using the example of a 5G small cell antenna array.

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SIMULIA Champions come from around the world, and from a variety of industries. Here, we speak with David Scholtz of Wood Group in Australia to find out what led him into engineering and how his business is using simulation.

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Overview Engineers have to develop innovative products in the shortest development time...

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This post was originally published in July 2020 and has had several...

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