XFlow CFD results for the 1st AIAA High Lift Prediction Workshop.

The 1st AIAA High Lift Prediction Workshop took place in June 2010 in Chicago, IL, and is one of the most recent and important benchmark for the aeronautics industry. The objective was to assess XFlow accuracy in terms of drag, lift and pitching moment coefficient of the complex NASA trapezoidal wing, easily handled by the mesh-less solver technology of XFlow. Results show good agreement with experimental and the stall is correctly predicted.

 

Aerodynamic analysis involving moving parts with a particle-based CFD solution.

This paper is the contribution of the new CFD code XFlow at the NAFEMS World Congress 2011, presenting some of the possibilities of this new technology and more specifically those related to the aerodynamic analysis of moving parts. Using traditional Computational Fluid Dynamics (CFD) software, this kind of problems require time consuming remeshing processes, which often lead to errors or divergence of the simulation. Due to the particle-based fully Lagrangian approach of XFlow, moving parts can be easily handled requiring only the physical and mechanical properties as input.

 

Analysis of the ASMO body under different conditions incluiding the suspension's dynamic response to uniform wind conditions and side wind.

Surface pressure coefficient and overall drag and lift are compared with experimental data. Suspension is modeled as a three-degree-of-freedom (DOF) system, where the DOFs are the bounce displacement about the body's centre of gravity, the pitching angle and the rolling angle. XFlow is able to simulate each kind of vehicle motion without time consuming remeshing processes.