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High-order computational fluid dynamics tools for aircraft design.

Z J Wang1

  • 1Department of Aerospace Engineering, University of Kansas, 2120 Learned Hall, Lawrence, KS 66045, USA zjw@ku.edu.

Philosophical Transactions. Series A, Mathematical, Physical, and Engineering Sciences
|July 16, 2014
PubMed
Summary
This summary is machine-generated.

Future aircraft require advanced computational fluid dynamics and aeroacoustics tools to meet environmental goals. These physics-based methods must be accurate and efficient for sustainable aviation growth.

Keywords:
aircraft designcomputational fluid dynamicsgreen and sustainable aviationhigh-order

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Area of Science:

  • Aerospace Engineering
  • Environmental Science
  • Computational Science

Background:

  • Airline traffic is projected to grow 4.5-5% annually.
  • Sustainable growth necessitates significant reductions in aircraft environmental impact, including fuel consumption, emissions, and noise.
  • Current environmental goals require substantial technological advancements.

Purpose of the Study:

  • To explore the critical role of advanced computational fluid dynamics (CFD) and aeroacoustics tools in achieving future aircraft environmental targets.
  • To identify the key characteristics (accuracy, efficiency, robustness, scalability, geometric flexibility) required for these tools to be adopted in aircraft design.
  • To highlight pacing items and challenges in the development of these essential design tools.

Main Methods:

  • The study reviews the requirements for physics-based, high-fidelity CFD and aeroacoustics simulations.
  • It emphasizes the need for methods capable of predicting complex, turbulent flows across the entire flight envelope and within aircraft engines.
  • The importance of higher-order numerical methods for resolving unsteady vortices is discussed.

Main Results:

  • Advanced CFD and aeroacoustics tools are identified as crucial breakthroughs for sustainable aviation.
  • These tools must be highly accurate, efficient, robust, scalable, and geometrically flexible to integrate into multi-disciplinary optimization.
  • The development of such tools is essential for meeting stringent government environmental regulations in North America and Europe.

Conclusions:

  • Physics-based computational tools are indispensable for designing next-generation aircraft with reduced environmental impact.
  • The successful adoption of these tools hinges on achieving a balance of accuracy, efficiency, and scalability.
  • Further research and development are needed to overcome challenges and accelerate the integration of these advanced simulation capabilities into the aircraft design process.