“Traditionally, we would use time domain methods to model aero-acoustics and fluid structure interactions,” explained Phil Shorter, vice president of CD-adapco. An example would be something fluttering in the wind. Here, flow can create large amplitude motions of a structure. However, aero-acoustics shouldn’t be confused with the interactions of fluids and structures in the phenomena known as FSI.
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When the critical locations are known, a fracture-mechanics-based crack growth anal- ysis can.Īn example of aero-acoustics is when an airplane’s landing gear might cause noises for people on the ground. Component temperatures are simulated with Star-CCM+ software, where both. Alternatively, STAR-CCM+® can export the temperature field to external. The region at which the noise is received is called the far field.Įxcessive mechanical stress can cause cracking, rupture, fatigue. Aero-acoustics describes applications in which fluid flows over a rigid object, which then causes noises at a distance. To dig deeper into flow induced noise and vibration simulations, it is best to understand acoustic terminology, namely: aero-acoustics, fluid-structure interactions (FSI), vibro-acoustics and aero-vibro-acoustics. (All images taken at CD-adapco’s North American Vehicle CFD Conference). Definitions of aero-acoustics, FSI, vibro-acoustics and aero-vibro-acoustics. The Tools You Need to Simulate Various Types of Acoustics.
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New Iobit Driver Booster Pro Key Generator - Software 2017 on this page. For starters, it can characterize side-glass wind noise, acoustic flanking of door seals, tailpipe noise and much more. Wave6 has many applications in the automotive industry. This acoustics computer-aided engineering (CAE) technology, and highlighted at, can simulate the wave propagation of sound though objects across the entire audible frequency range. This is where CD-adapco’s wave6 technology comes into play. For instance, when looking at the wave propagation of sounds through a solid, and over a broad frequency range, engineers need to look past CFD into the frequency domain.
When automotive engineers simulate how flow affects the acoustics of their designs, it isn’t always as simple as looking at computational fluid dynamics (CFD) results in the time domain. Wave6 applications for automotive design.