Innovation and ingenuity lead Team New Zealand to America’s Cup victory
LEAP and ANSYS congratulates Emirates Team New Zealand for their remarkable victory in the 2017 America’s Cup. More info on some of the unheralded innovations and ingenuity behind this engineering and sporting triumph.
Swapping Fuel for More Beer on your next Caravan Holiday
Caravan owners are well aware that the speed they drive at and the shape of their caravan can greatly affect fuel consumption.
In partnership with Caravan World magazine, we've taken a closer look into the performance of caravans with the aid of CFD, including some less obvious factors that can help shave off the drag on your caravan and improve fuel consumption.
An Increasing Appetite for Innovation in the Food Industry
Companies in the food & beverage industries looking to grow their business are implementing new technologies, such as simulation, to enable their engineers to develop new products and implement process innovations necessary to provide efficiencies of scale. Here are 7 ways that food & beverage manufacturers can harness cutting-edge simulation technology.
IoT sensors identify your product is operating ‘out of spec’. What next? Some lessons from the Avalon Airshow
The timing is right for the concept of Digital Twin to be embraced by Australian industry and defence. Learn how it has been made possible by the convergence of multiple trends, encompassing IoT data, big data analytics and ongoing advances in engineering software.
ANSYS simulation workflow for pump systems – a fascinating webinar
We encounter pumps in our everyday life in all manner of applications, be it in our dishwasher or car; or indirectly in water supply, oil pipelines, cooling water pumps and many more applications. In fact, the very significant fraction of the world’s energy used for pumping may well surprise you - and therefore the potential opportunity for improved pump design to deliver big savings (both in dollars as well as greenhouse gas emissions), a point which hit home to me this week when I watched a recent webinar on using ANSYS 17.0 to model and optimise pumps and other turbomachinery. At LEAP, our engineers watch many different webinars but I found this one particularly captivating as it clearly showed the entire pump design process from start to finish: starting with the sizing tool ANSYS VISTA-CPD, turbo-specific geometry tools – showing creation of the inlet and outlet regions using ANSYS BladeModeler, and then how easily turbomachinery geometries can be meshed automatically in ANSYS Turbogrid (something that all customers now have access to via any ANSYS license containing access to a meshing task!). The webinar then went on to show the use of ANSYS VISTA-TF to perform 2d mean-line simulations to estimate the pump characteristics, as well as providing an initial guess for the 3D flow. The 3D flow setup in ANSYS CFX is made very easy, the solver is robust and efficient and the post-processing has many options specific to turbomachinery simulations, such as turbo mode in CFD Post and the pump macro template – which makes calculation of pump specific outputs easy and repeatable. The webinar went on to explain the different ways to handle the rotation of the impeller – starting from the simplest steady-state approach, then the stage (or mixing plane) method to average out variation as the fluid enters the volute, and then finally to the new Blade Row Modelling tools that allow the entire pump to be modelled as a transient only keeping a pair of rotor and stator blades. This is truly unique technology in commercial software. Next, there were demonstrations of cavitation (vapour formation in regions of low pressure) and also dissolved gas evolution – both of which lead to a loss in pump performance. Discussion of erosion, mechanical behaviour, … Finally, on the CFD front the various methods for modelling positive displacement pumps were outlined and some nice demonstrations were given. The last part introduced many of the other ANSYS tools that are being used in the design and manufacture of pumping systems. These ranged from motor design, condition monitoring and using the Internet of Things to have remote access to performance data and being able...
Recent advances in Multiphase Flow Modelling
What's changed in the world of multiphase flow modelling in the past 2-3 years? As always, an understanding of the physics of the system that you are modelling remains the number one priority, however, a number of new developments will help you address a wider range of multiphase flows and in a faster and more effective way.
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