Archives for ANSYS CFD

5 key areas where ANSYS Multiphysics will help overcome the engineering challenges of Elon Musk's Hyperloop

This week marked the public release of Elon Musk's much anticipated proposal for a new mode of high-speed transport to be built between LA and San Francisco, dubbed the Hyperloop.  The concept is equally compelling for other busy air routes of between 500-1000 km, such as Sydney to Melbourne (which is the 3rd busiest air route globally, according...

Tips & Tricks: Estimating the First Cell Height for correct Y+

In previous posts we have stressed the importance of using an appropriate  value in combination with a given turbulence modelling approach. Today we will help you calculate the correct first cell height () based on your desired  value. This is an important first step as the global mesh resolution parameters will also be influenced by this near-wall mesh as...

Insights from Sir James Dyson on accelerating product development through CFD with design exploration

Sir James Dyson was in Australia recently for the launch of Dyson's Airblade Tap hand dryer. During his visit, he gave a particularly enlightening interview with the ABC One-Plus-One program (which can be viewed at this link).   Dyson is a world-leader in the field of industrial design and is most famous for his invention of the cyclonic...

Join LEAP at the 2013 Australian International Airshow

We know that many of our CFD customers are also very passionate about aerodynamics and aircraft design, so it stands to reason that the 2013 Australian International Airshow will be a magnet for both aircraft enthusiasts and CFD practitioners alike.  The Australian International Airshow starts today (Feb 26th 2013) and LEAP Australia staff will be attending as...

Tips & Tricks: How to interpret results for multiphase & porous domains using true velocity and superficial velocity

A commonly asked question is: What is Superficial Velocity and when do I use it?   If a fluid flows through a region that is occupied by either fixed structures (a porous region, pipe rack, catalyst bed, etc...), or shares the channel with other fluids (e.g. gas-liquid flow), there are two ways to describe the fluid...

(Part 2) 10 Useful Tips on selecting the most appropriate multiphase flow CFD models

As we discussed in our previous post, the first step when  tackling a multiphase CFD problem is to identify the key characteristics of your physical system.  Once you've done this (using our checklist if you are still new to multiphase CFD), you can begin to make informed decisions on what multiphase modelling approaches to use....

Webinar: Overview & Recent Advancements in Multiphase Flow Modelling with Dr. Markus Braun, ANSYS Inc

In advance of his visit to Australia in December, LEAP Australia is pleased to announce a webinar to be conducted by Dr. Markus Braun on Wednesday November 14th at 4pm AEDT (Syd/Mel daylight savings time).  This webinar will provide an overview of multiphase flow modelling techniques and discuss recent advancements that impact the use of...

10 questions to ask yourself when tackling your first (or a new) Multiphase CFD project

By virtue of the many physical processes we are often attempting to simulate in a virtual environment, CFD can be a complex beast.  To accurately account for all real-world behaviour, the CFD engineer must consider the applicability of a large number of physical effects, including complex turbulence, compressibility, various modes of heat transfer and, last...

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