Numerical-Evaluation-Based Unified Numerical Method for High-speed, Low-speed, and Multiphase Flows

2015 Fiscal Year Final Research Report

• Project/Area Number: 25820409
• Research Category: Grant-in-Aid for Young Scientists (B)
• Allocation Type: Multi-year Fund
• Research Field: Aerospace engineering
• Research Institution: Yokohama National University (2014-2015); Nagoya University (2013)
• Principal Investigator: Kitamura Keiichi 横浜国立大学, 工学(系)研究科(研究院), 准教授 (20402547)
• Project Period (FY): 2013-04-01 – 2016-03-31
• Keywords: CFD(数値流体力学) / 航空宇宙流体力学 / 極超音速流れ / 混相流

Outline of Final Research Achievements

SLAU2(Kitamura-Shima, 2013), one of numerical methods for compressible flows, has been investigated first in high-speed (hypersonic) flows. It has been discovered that, if SLAU2 is used with a strong limiter function (which degrades spatial accuracy at a shock wave), "shock anomalous solutions" are suppressed, and prediction accuracy of aerodynamic heating is enhanced.
Then, with a "two-fluid modeling," SLAU2 were successfully applied to multiphase flows that covers wide-ranging flow speeds from low-speed to high-speed.

Free Research Field

航空宇宙工学，流体力学，CFD(数値流体力学)