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The image shows a typical model where the 2D sector losses have been mapped on to a full revolution 3D body
Advanced Simulation for Electric Machine Design
Electric machines are ubiquitous across our everyday life - from automotive to domestic appliances, aerospace to industrial usage - these machines are the workhorse of industry and modern amenities. New regulatory efficiency requirements, fluctuating costs of permanent magnets, and the ever present goal of higher performance from a smaller package, increases pressure on both the design and optimization of electric machines across all applications. This webcast explores the many techniques used to predict electric machine performance, including analytic models, lumped parameter models based on...
I am not a soccer fan, but all the men in my life are fanatics and thus World Cup fever has taken over the Goodwin household. You might be surprised at what happens when an uninterested CFD engineer is forced to watch soccer...
Dancing Dice with Overset, DFBI and Contact Coupling
CFD simulation of dice roll in STAR-CCM+ v9.04 using Overset, DFBI and Contact Coupling.
During the opening session of the STAR Global Conference earlier this year, Didier Halbronn, CD-adapco Vice President of European Sales, spoke about our ongoing commitment in the field of multi-disciplinary design exploration (MDX). In this blog I want to highlight a couple of new features in v9.04 of STAR-CCM+ that approach this in different ways.
In an effort to make STAR-CCM+ even faster on a broader range of problem types STAR-CCM+ v9.04 (which is released next week) will offer Concurrent Per-Part Meshing (which is a bit of a mouth full, so we'll call it CCPM instead). Now, I'm sure you're asking yourself, ‘What’s the difference between CPPM and regular parallel meshing?’
With the release of STAR-CCM+® v9.04 customers will see reductions in overall time-to-solution and dramatic gains in productivity using STAR-CCM+ v9.04 workflow improvements, parallel meshing and optimization capabilities. The addition of new physics models allows users to perform increasingly realistic CFD and CAE simulations, that more closely represent the real world conditions under which the product will operate. can't beat the gas mileage! It all started in 1982 when Hans Tholstrup and Larry Perkins built a solar-powered car and drove it across the entire continent of Australia. Driven by the success of their vehicle, aptly named "Quiet Achiever", they encouraged others to push the limits of alternative energy vehicles. Five years later, the very first World Solar Challenge was born. Every other year since, teams from across the globe - prominent universities and private organizations alike - converge in Darwin, Australia to make the 3.000 km trek south to Adelaide in their solar-powered vehicles using regular ol' public roads and minimal camping gear for the seven-day journey.
Lubrication Flow within On and Off Highway Vehicle Gear Boxes
Transmissions and axles include gears, bearing and shafts to transmit power from the engine to the wheels. Under stress, these parts can become damaged or degrade in performance due to heat caused by friction. However, as increased amounts of oil are used, the gear churning torque will increase. These churning losses are directly related to loss of power and have a negative impact on fuel efficiency. By modifying the casing, or introducing baffles, oil can be guided to critical regions while decreasing the churning loss. In test rigs, it is difficult to visualize the flow inside the box for...