HLPW4/GMGW3: Summary of Unstructured Fixed Mesh Generation Efforts for RANS Analyses

Pita, Claudio; Woeber, Carolyn

doi:10.2514/6.2022-3209

Cited by 4 publications

References 4 publications

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Fourth High-Lift Prediction/Third Geometry and Mesh Generation Workshops: Overview and Summary

Rumsey

Slotnick

Woeber

2023

Journal of Aircraft

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The Fourth AIAA Computational Fluid Dynamics (CFD) High Lift Prediction Workshop and the Third Geometry and Mesh Generation Workshop were held collaboratively with the common goal of assessing the numerical prediction capability of current-generation computational fluid dynamics technology for swept medium-/high-aspect-ratio wings in high-lift configurations. A key aspect of this joint endeavor was the use of technology focus groups: an innovative new approach for workshops involving close collaboration between participants. These groups, which included both mesh-generation and flow-solver experts, worked to accelerate advancements for their particular methodologies by addressing key questions of importance before the workshop. The high-lift version of the NASA Common Research Model (CRM-HL) configuration was the focus of this workshop. Measured experimental wind-tunnel data were available for comparison. The workshop also included a two-dimensional turbulence model verification exercise based on the CRM-HL wing shape. Altogether, 44 participants submitted a total of 184 datasets of CFD results. This paper provides a high-level summary of the results and conclusions from the workshop. Like at past workshops, fixed-grid Reynolds-averaged Navier–Stokes methods continued to be inaccurate and inconsistent for predicting high-lift flow physics near maximum lift conditions. However, mesh adaptation definitively brought more consistency. Scale-resolving methods appeared most promising for predicting high-lift flow physics near maximum lift.

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Fourth High-Lift Prediction/Third Geometry and Mesh Generation Workshops: Overview and Summary

Rumsey

Slotnick

Woeber

2023

Journal of Aircraft

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HLPW-4/GMGW-3: High-Order Discretization Technology Focus Group Workshop Summary

Galbraith

Karman

2023

Journal of Aircraft

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This paper summarizes the High-Order Technical Focus Group (HO-TFG) submissions for the joint 4th AIAA High Lift Prediction (HLPW-4) and 3rd Geometry and Mesh Generation Workshop (GMGW-3). The goal of the workshop was to assess the state-of-the-art in mesh generation and computational fluid dynamics software. The Common Research Model High-Lift (CRM-HL) variant served as the primary focus of the workshop, and a two-dimensional airfoil section from the CRM-HL was used as a verification test case. The HO-TFG was tasked with generating high-order curved meshes for both geometries, and computing high-order solutions using both Reynolds-averaged Navier–Stokes and scale-resolving formulations. While limited by computational resources, the final results demonstrate the potential of higher-order methods to increase solution accuracy with a lower degree-of-freedom count relative to second-order discretizations.

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HLPW-4/GMGW-3: Overview and Workshop Summary

Rumsey

Slotnick

Woeber

2022

AIAA AVIATION 2022 Forum

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HLPW4/GMGW3: Summary of Unstructured Fixed Mesh Generation Efforts for RANS Analyses

Cited by 4 publications

References 4 publications

Fourth High-Lift Prediction/Third Geometry and Mesh Generation Workshops: Overview and Summary

Fourth High-Lift Prediction/Third Geometry and Mesh Generation Workshops: Overview and Summary

HLPW-4/GMGW-3: High-Order Discretization Technology Focus Group Workshop Summary

HLPW-4/GMGW-3: Overview and Workshop Summary

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