An Interpolation Method Maintaining the Wall Distance for Structured and Unstructured Overset Grids

机译：维持结构化和非结构化过盈网格的壁距的插值方法

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A projection method for the correction of interpolation coefficients for overset grid CFDsimulationsrnwith grid overlap on body surfaces is presented. The concept of a virtualrninterpolation point ensures an interpolation with identical wall distance on grids withrndifferent surface discretizations. The algorithm can be applied for structured as well as forrnunstructured grids. Implementation issues and parallelization of the algorithm are discussed.rnFlow simulations for a 2D NACA0012 airfoil, a configuration considered in the 4th AIAArnDrag Prediction Workshop and the DLR F11 high lift configuration are used to validate thernmethod. The applications demonstrate the accurate interpolation of boundary layer datarnclose to curved surfaces.

机译：提出了一种用于修正重叠CFD仿真插值系数的投影方法。虚拟内插点的概念可确保在具有不同表面离散的网格上以相同的壁距进行内插。该算法可以应用于结构化网格和非结构化网格。讨论了算法的实现问题和并行化。二维NACA0012机翼的流动仿真，在第四届AIAArnDrag预测研讨会上考虑的配置和DLR F11高升力配置用于验证该方法。这些应用展示了边界层数据在曲面附近的精确插值。

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来源
《New beginnings: challenges for aerospace innovation》|2009年|p.1-9|共9页
会议地点 Manchester(GB)
作者
Thorsten Schwarz;
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作者单位

DLR, Institute of Aerodynamics and Flow Technology Lilienthalplatz 7, 38108 Braunschweig, Germany;

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原文格式 PDF
正文语种 eng
中图分类航空、航天技术的研究与探索;
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2. Numerical analysis of a high-order unstructured overset grid method for compressible LES of turbomachinery [J] . de Laborderie J., Duchaine F., Gicquel L., Journal of Computational Physics . 2018,第期

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3. Flows around moving bodies using a dynamic unstructured overset-grid method [J] . Liu JX, Akay HU, Ecer A, International journal of computational fluid dynamics . 2010,第6期

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4. An Interpolation Method Maintaining the Wall Distance for Structured and Unstructured Overset Grids [C] . Thorsten Schwarz CEAS European air and space conference . 2009

机译：保持结构化和非结构化推销网格的壁距的插值方法
5. Unsteady CFD simulations of moving flow-control valves by an unstructured overset grid method. [D] . Liu, Jingxin. 2008

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6. Distance fields on unstructured grids: Stable interpolation assumed gradients collision detection and gap function [O] . Sebastian Wolff, Christian Bucher -1

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7. Unstructured Moving Patched-Grid Method Using Concept of Overset Grid [O] . Masashi YAMAKAWA, Kenichi MATSUNO 2007

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8. Solution Adaptive Structured/Unstructured Overset Grid Flow Solver withApplications to Helicopter Rotor Flows [R] . Duque, E. P. N., Biswas, R., Strawn, R. C. 1995

机译：解决方案自适应结构/非结构Overset网格流求解器及其在直升机转子流中的应用

An Interpolation Method Maintaining the Wall Distance for Structured and Unstructured Overset Grids

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