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CFD Analysis Of Radial Fan Blade with OpenFOAM

CFD Analysis Of Radial Fan Blade with OpenFOAM

CFD Analysis is everywhere

CFD Analysis probably is saving you money today. If you drive a car you likely enjoy the benefits of Computational Fluid Dynamics (CFD) without knowing it. That’s because carmakers use CFD analysis to optimize the air flow around the car to reduce drag and improve mileage.

“We started UberCloud to enable engineers to easily access technologies like CFD. They could then solve their most computationally demanding problems,” said UberCloud President Wolfgang Gentzsch. “Until then, cloud-based resources like the ones now available in the UberCloud Marketplace were almost exclusively enterprise-oriented.” Among UberCloud’s many computing resource providers is Microsoft, featuring its Azure cloud platform with a wide range of robust, ever-expanding features and capabilities. Among those is on- demand access to world-class, parallel- processing supercomputing. Users can take advantage of a back-end network with a latency of less than 3 microseconds for its message-passing interface (MPI) and non-blocking 32 gigabits per second (Gbps) of throughput. This back-end network includes remote direct memory access (RDMA) technology on Windows and Linux that enables parallel applications to scale to thousands of cores.

The Microsoft Azure HPC cloud service provides UberCloud customers, such as CFD support—and, by extension, CFD
support’s own customers—with access to superfast, high-memory CPUs. For example, the Azure A8 and A10 compute- intensive instances tap the compute power of Intel Xeon E5-2670 CPUs with 8 cores running at 2.6 gigahertz (GHz) and 56 gigabytes (GB) of DDR3 memory, running at 1600 megahertz (MHz). The Azure A9 and A11 instances double the performance with Intel Xeon E5-2670 CPUs that have 16 cores running at 2.6 GHz and 112 GB of DDR3 memory, running at 1600 MHz.

A key outcome was the development of a computational performance scale of CFDSupport’s Turbomachinery CFD software given the number of identical Intel Xeon cores used. For example, a baseline simulation using the software with two cores required 16.30 hours, while 32 cores took less than 3 hours. This way, users can determine in advance what their tradeoffs are between what their compute costs will be and the time required for Turbomachinery CFD to do its work.

CFD support offers 6 packaged Computational Fluid Dynamics (CFD) products for complex simulations of gas and fluid flows around objects. Desktop workstations were too slow, often taking days for complex simulations. But with UberCloud, and the high performance computing (HPC) power of Microsoft Azure HPC clusters to reduce run times to hours.

    • Categories: Case Studies, OpenFOAM
    • Tools: OpenFOAM
    • Tags: aerodynamics, OpenFOAM
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