tag: computational fluid dynamics

Easing The CFD Engineer’s Life With Automated Meshing
By Veena Parthan - 12 Jan, 2023 - Comments: 0

Mesh generation is where the user’s expertise and ingenuity can influence the convergence and accuracy of a computational fluid dynamics (CFD) solution by selecting mesh type, topology, and cell quality. But with the rush to automate mesh generation, will the control be ripped out of the user’s hand, or will a valuable engineering skill be lost? The extent to which meshing can be automated... » read more

Unleash The Potential of CFD
By Cadence - 09 Nov, 2022 - Comments: 0

Classic CFD to High-Order Scalability Instead of relying on expensive prototype testing or experimentation, users now have access to numerous open-source and paid computational fluid dynamics (CFD) software that can help them solve application-specific problems. Today, CFD is no longer about getting one solution at a time; it is about getting the best possible solution from multiple design tes... » read more

EVs Raise Energy, Power, And Thermal IC Design Challenges
By Ann Mutschler - 06 Oct, 2022 - Comments: 0

The transition to electric vehicles is putting pressure on power grids to produce more energy and on vehicles to use that energy much more efficiently, creating a gargantuan set of challenges that will affect every segment of the automotive world, the infrastructure that supports it, and the chips that are required to make all of this work. From a semiconductor standpoint, improvements in th... » read more

Preparation Of Geometry Models For Mesh Generation And CFD
By Cadence - 12 Sep, 2022 - Comments: 0

Making geometry models suitable for CFD meshing is a time-consuming bottleneck in CFD analysis. We will discuss why and ways to fix the problems. Click here to read more. » read more

Structured Grids Are Here For An Eternity
By Veena Parthan - 01 Sep, 2022 - Comments: 0

With unstructured meshes delivering promising results in resolving boundary layers, wakes, and other flow features for complex geometries, one might arrive at the conclusion that structured grids will soon be out of the markets because of their reputation for taking a long time for generation. On the contrary, structured grids give you two things that unstructured meshes may lack, i.e., quality... » read more

Fidelity Pointwise Grid Cell Remediation Method For Overset Meshes
By Cadence - 10 Aug, 2022 - Comments: 0

In computational fluid dynamics, (CFD) overset meshing is highly appreciated in turbomachinery for moving body applications. Moreover, significant efforts have been made to improve the overset flow solver capability, but only limited developments have been made to what is quickly becoming a bottleneck in the simulation process — the creation of the overset composite grid. Cadence Fidelity Poi... » read more

Mesh Generation And CFD For A Drone’s Coaxial Rotor
By John Chawner - 07 Jul, 2022 - Comments: 0

Our Cadence Channel Partner in Scandinavia, neptech, shares a case study investigating the interaction of a coaxial rotor system and how to optimize its efficiency. Coaxial rotor systems are appealing for multirotor drones, as they increase thrust without increasing the vehicle’s footprint. However, the thrust of a coaxial rotor system is reduced compared to having the rotors in line. It... » read more

Reducing Fuel Consumption By Optimizing Engine Parts With CFD
By Anne-Marie Schelkens - 02 Jun, 2022 - Comments: 0

How to reduce the carbon footprint of the automotive industry? Mobility comes with huge CO2 emissions and drastically reducing them is a top priority of vehicle designers today. It is no surprise that simulation can play a major part in finding solutions for this important challenge. Simulation can provide insight, reduce time-to-market, improve reliability, and reduce engineering cost for ne... » read more

Simulate Rotor Hub Vortex Shedding In Helicopters
By Veena Parthan - 05 May, 2022 - Comments: 0

Although helicopter aerodynamics involves the same forces that arise in airplane aerodynamics, these forces occur differently due to fluid flow dynamics across the aircraft. Helicopters take advantage of the free stream flow along a rotor blade to produce lift and thrust. In rotating systems, the rotor hub clasps the blades and connects them to the main shaft of the system. The rotor in a h... » read more

The Era Of Fluid Simulations In Hollywood
By Veena Parthan - 14 Apr, 2022 - Comments: 0

With the magnificent real images of water pouring from the sky and the after-fire fumes from a car, there is no escaping from the laws of physics in movies either! Fluid simulation in the '50s and '60s was modeled mathematically before the computer graphics industry made its appearance. In the early ’90s, computer graphics (CG) in movies such as Waterworld and Titanic were restricted to wi... » read more

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