HIGH-ORDER

作品数：527被引量：695H指数：10
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Denoising graph neural network based on zero-shot learning for Gibbs phenomenon in high-order DG applications
《Chinese Journal of Aeronautics》2025年第3期234-248,共15页Wei AN Jiawen LIU Wenxuan OUYANG Haoyu RU Xuejun LIU Hongqiang LYU 
co-supported by the Aeronautical Science Foundation of China(Nos.2018ZA52002,2019ZA052011).
With the availability of high-performance computing technology and the development of advanced numerical simulation methods, Computational Fluid Dynamics (CFD) is becoming more and more practical and efficient in engi...
关键词：Computational fluid dynamics High-order discon tinuous Galerkin method Gibbs phenomenon Graph neural networks Zero-shot learning 
An intuitive parameterization method with inherently high-order differentiability for compressor blade sections based on ellipse hierarchical deformation
《Chinese Journal of Aeronautics》2023年第8期74-90,共17页Chuanrui SI Jinxin CHENG Zhengqing ZHU Zhitong CHEN Qinglong HAO 
supported by the Fundamental Research(No.JCKY2021206B057)which is undertaken by Zaozhuang Beihang Machine Tool Innovation Research Institute Co.,Ltd,China.
Shape parameterization has a crucial influence on the optimal solution of aerodynamic optimization.This paper proposes a novel parameterization method for compressor blade sections based on the three-level deformation...
关键词：Aerodynamics Blade sections Compressors DEFORMATION ELLIPSE PARAMETERIZATION 
Imaging of target with complicated motion using ISAR system based on IPHAF-TVA被引量：1
《Chinese Journal of Aeronautics》2021年第2期252-264,共13页Abdelkader ALI CHERIF Yong WANG 
supported in part by the National Natural Science Foundation of China (No. 61871146)。
The technique of imaging a target with a complicated motion using an Inverse Synthetic Aperture Radar(ISAR) system is an effective tool in the field of radar signal processing. After the translational compensation, th...
关键词：Inverse Synthetic Aperture Radar(ISAR) Maneuvering target Multi-component Polynomial Phase Signal(m-PPS) Product High-Order Ambiguity Function(IPHAF) Time Varying Amplitude(TVA) 
Advanced high-order nonlinear chirp scaling algorithm for high-resolution wide-swath spaceborne SAR
《Chinese Journal of Aeronautics》2021年第2期563-575,共13页Zhirong MEN Pengbo WANG Jie CHEN Chunsheng LI Wei LIU Wei YANG 
supported by the National Natural Science Foundation of China (No. 61861136008)。
Spaceborne Synthetic Aperture Radar(SAR) is a well-established and powerful imaging technology that can provide high-resolution images of the Earth’s surface on a global scale. For future SAR systems, one of the key ...
关键词：High-Resolution WideSwath(HRWS) Imaging method Second-Order Equivalent Squint Range Model(SOESRM) Signal processing Synthetic Aperture Radar(SAR) 
High-fidelity trajectory optimization for aeroassisted vehicles using variable order pseudospectral method被引量：3
《Chinese Journal of Aeronautics》2021年第1期237-251,共15页Runqi CHAI Antonios TSOURDOS AI SAVVARIS Senchun CHAI Yuanqing XIA 
In this study,the problem of time-optimal reconnaissance trajectory design for the aeroassisted vehicle is considered.Different from most works reported previously,we explore the feasibility of applying a high-order a...
关键词：Aeroassisted vehicle HIGH-ORDER Radau pseudospectral method Six-degree-of-freedom Trajectory design Variable order 
A transition prediction method for flow over airfoils based on high-order dynamic mode decomposition被引量：11
《Chinese Journal of Aeronautics》2019年第11期2408-2421,共14页Mengmeng WU Zhonghua HAN Han NIE Wenping SONG Soledad Le CLAINCHE Esteban FERRER 
supported by the National Natural Science Foundation of China (No. 11772261);the Aeronautical Science Foundation of China (No. 2016ZA53011);the ATCFD Project (No. 2015-F-016);the 111 Project of China (No. B17037)
This article presents a novel approach for predicting transition locations over airfoils,which are used to activate turbulence model in a Reynolds-averaged Navier-Stokes flow solver.This approach combines Dynamic Mode...
关键词：AIRFOIL Dynamic mode decomposition(DMD) e^N criterion Navier-Stokes equations Transition prediction 
High-order compact finite volume methods on unstructured grids with adaptive mesh refinement for solving inviscid and viscous flows被引量：4
《Chinese Journal of Aeronautics》2018年第9期1829-1841,共13页Jianhua PAN Qian WANG Yusi ZHANG Yuxin REN 
supported by the National Natural Science Foundation of China(Nos.91752114 and 11672160)
In the present paper, high-order finite volume schemes on unstructured grids developed in our previous papers are extended to solve three-dimensional inviscid and viscous flows. The highorder variational reconstructio...
关键词：Adaptive mesh refinement Compact stencil High-order finite volume scheme Unstructured grids Variational reconstruction 
A high-order model of rotating stall in axial compressors with inlet distortion被引量：6
《Chinese Journal of Aeronautics》2017年第3期898-906,共9页Peng LIN Cong WANG Yong WANG 
co-supported by the National Major Scientific Instruments Development Project of China(No.61527811);the National Science Fund for Distinguished Young Scholars of China(No.61225014);the Guangdong Inovative Project(No.2013KJCX0009);the Guangdong Provice Natural Science Foundation(No.2014A030312005);the Guangdong Provice Key Laboratory of Biomedical Engineering;the Space Intelligent Control Key Laboratory of Science and Technology for National Defense
In this paper,a high-order distortion model is proposed for analyzing the rotating stall inception process induced by inlet distortion in axial compressors.A distortion-generating screen in the compressor inlet is con...
关键词：Axial compressors Dynamic modeling Flow instability Inlet distortion Rotating stall Stall inception 
A high-order SPH method by introducing inverse kernels
《Chinese Journal of Aeronautics》2017年第1期1-14,共14页Fang Le Marongiu Jean Christophe Leduc Julien Amicarelli Andrea Caro Joёlleb 
funding from the European Community’s Seventh Framework Program (FP7/2007-2013) under grant agreement 225967 ‘‘Next Mu SE”;supported by the National Natural Science Foundation of China (Nos. 11202013, 11572025 and 51420105008)
The smoothed particle hydrodynamics（SPH） method is usually expected to be an efficient numerical tool for calculating the fluid-structure interactions in compressors; however, an endogenetic restriction is the probl...
关键词：CONSISTENCY High-order method Inverse method Numerical dissipation Numerical instability Smoothed particle hydrodynamics 
Implicit discontinuous Galerkin method on agglomerated high-order grids for 3D simulations被引量：1
《Chinese Journal of Aeronautics》2016年第6期1496-1505,共10页Qin Wanglong Lyu Hongqiang Wu Yizhao Zhou Shijie Chen Zhengwu 
co-supported by the Aeronautical Science Foundation of China (No. 20152752033);the National Natural Science Foundation of China (No. 11272152);the Open Project of Key Laboratory of Aerodynamic Noise Control
High quality of geometry representation is regarded essential for high-order methods to maintain their high-order accuracy. An agglomerated high-order mesh generating method is investigated in combination with discont...
关键词：AGGLOMERATION Discontinuous Galerkin(DG) HIGH-ORDER Implicit scheme Navier-Stokes equations 
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