Pseudospectral Solution of Flow Past a Circular Cylinder.
Hanley Offers MultiElement Airfoils 3.0
OCALA, Florida, May 23, 2007 - Hanley Innovations, a leader in the development of interactive PC software for aerodynamics conceptual design and analysis, announced the availability of MultiElement Airfoils 3.0. MultiElement Airfoils is a Windows based computational fluid dynamics (CFD) software package for analyzing airfoils and other two-dimensional shapes placed in close proximity to each other simply by using a mouse to drag the objects to their desired locations.
MultiElement Airfoils 3.0 is based on a novel cartesian grid generation procedure for solving the two-dimensional & axisymmetric Euler Equations. The software can be used to efficiently analyze subsonic, transonic and supersonic flows past multiple airfoils placed at arbitrary locations. The Euler solver is optimized for the cartesian grid scheme and is used to compute the lift & drag coefficients for rotor craft sections, high speed race car wings and transonic aircraft wing sections. It can also be used compute the drag divergent Mach number (Mdd) for multiple airfoil configurations. This is especially useful for conceptual design of rotor blades and business jet aircraft. Results are comparable to body-fitted grid solutions. For example, the compute lift and wave drag coefficients for a NACA 0012 airfoil at one degree angle of attack and Mach number of 0.85 is found to be 0.365 and 0.0591, respectively. These numbers are within 2% of the numbers found in the literature for the same case. We also compared the results for the RAE 2822 airfoil against an o-grid solution. The figure below is a graph of the pressure coefficient for a Mach number of 0.729 and angle of attack of 2.31 degrees.
More results can be found at the following page: http://www.hanleyinnovations.com/cartgrid.html
MultiElement Airfoils is availabe for immediate purchase at the Hanley Innovations website. Prices start at $995.00 US for the three months lease and $2,995.00 for a the yearly lease. The price for a perpetual license of MultiElement airfoils is $9,995.00 US (up to 3 users). The url is: http://www.hanleyinnovations.com/ mefoil.html
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