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Unstructured Mesh Generation for Simulation of Airfoil Ice Accretion
Posted Thu May 07, 2015 @08:40PM
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Application Christine M. Brown, Robert F. Kunz, Jules W. Lindau, Michael P. Kinzel
Department of Aerospace Engineering and Applied Research Laboratory
The Pennsylvania State University
University Park, PA, 16803, US

Airframe, wing and rotor icing is a critical problem in aerodynamics. Ice changes the geometric shape of surfaces it accretes on, which changes its aerodynamic characteristics in unpredictable and possibly catastrophic ways. The Federal Aviation Administration estimates airframe ice can decrease lift by more than 30 percent and increase drag by more than 80 percent. Developing an increased understanding of ice accretion on aircraft is needed to make flying safer.

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Large Scale Aircraft Design Using SU2 and Pointwise
Posted Mon April 20, 2015 @02:07PM
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Application Thomas D. Economon, Francisco Palacios, Juan J. Alonso
Aeronautics & Astronautics Department
Stanford University

SU2 is an open-source collection of C++ and Python-based software for multi-physics simulation and design, and it is particularly well suited for computational fluid dynamics (CFD) and aerodynamic shape design. It is now under active development both by researchers at Stanford University and by individuals and groups at institutions all around the world.

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Computer Simulation Improves Offshore Drill Rig Safety
Posted Tue March 24, 2015 @09:23PM
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Application Los Alamos National Laboratory mechanical and thermal engineering researchers’ efforts to solve the complex problem of how ocean currents affect the infrastructure of floating oilrigs and their computational fluid dynamics (CFD) numerical simulations received recognition from ANSYS Inc., a company that provides computer-based engineering simulation capabilities.

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CFD and Fossils
Posted Tue March 17, 2015 @01:10PM
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Application CFD has many interesting applications, but every so often we hear of one that most of us may have never imagined.

Dr. Yuta Shiino is a paleontologist who uses Cradle SC/Tetra CFD software to understand the lives of ancient underwater invertebrates called Brachiopods, distant relatives of many shellfish.

( Read Full Article )


Turbine Blade Film Cooling Optimization with CFD
Posted Tue March 03, 2015 @01:48PM
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Application By William Humber, Senior CFD Engineer
Aerodynamic Solutions, Inc.

The drive for more efficient and durable gas turbines has resulted in smaller, lighter designs capable of withstanding heavy loads and extreme operating temperatures. These conditions pose a great challenge to designers tasked to meet demanding durability goals. Higher turbine flow temperatures lead to higher efficiency, but can cause structural problems for the turbine blades so cooling techniques are used to keep blade temperatures under control.

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NASA Pushes the Boundaries of CFD With PowerFLOW
Posted Mon February 09, 2015 @10:20PM
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Application Exa® Corporation, a global innovator of fluids simulation (CAE/CFD) solutions for product engineering, today announced that NASA is expanding its usage of Exa's PowerFLOW® software for the simulation of concepts to reduce aircraft noise within NASA's Environmentally Responsible Aviation (ERA) project.

PowerFLOW predictions were successfully validated against high-fidelity wind-tunnel tests in 2013, and now, after the cancellation of a planned flight test due to budget constraints, NASA is using PowerFLOW simulations of a full-scale aircraft with flap and landing gear noise treatments to reach the original airframe noise objectives of the project.

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