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International Journal of Computational Fluid Dynamics最新文献

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High-Order WENO-based Semi-Implicit Projection Method for Incompressible Turbulent Flows: Development, Accuracy, and Reynolds Number Effects 用于不可压缩湍流的基于 WENO 的高阶半隐式投影法：开发、精度和雷诺数效应
IF 1.3 4区 工程技术
International Journal of Computational Fluid Dynamics Pub Date : 2024-01-05 DOI: 10.1080/10618562.2023.2289445
Thi Quynh Nguyen, Hyung Taek Ahn, Christos Kavouklis
{"title":"High-Order WENO-based Semi-Implicit Projection Method for Incompressible Turbulent Flows: Development, Accuracy, and Reynolds Number Effects","authors":"Thi Quynh Nguyen, Hyung Taek Ahn, Christos Kavouklis","doi":"10.1080/10618562.2023.2289445","DOIUrl":"https://doi.org/10.1080/10618562.2023.2289445","url":null,"abstract":"A novel high-order projection method is presented in this study for the simulation of incompressible turbulent flows, utilising weighted essentially non-oscillatory (WENO) schemes. Spatial discreti...","PeriodicalId":56288,"journal":{"name":"International Journal of Computational Fluid Dynamics","volume":"28 1","pages":""},"PeriodicalIF":1.3,"publicationDate":"2024-01-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139374187","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Numerical Investigation of Gasper Air Jet Dynamics in an Aircraft Cabin 飞机机舱内加斯帕气流动力学数值研究
IF 1.3 4区 工程技术
International Journal of Computational Fluid Dynamics Pub Date : 2024-01-03 DOI: 10.1080/10618562.2023.2297944
Vinod Kumar Srinivasa, Subhaschandra Kattimani, Ganga Reddy C.
{"title":"Numerical Investigation of Gasper Air Jet Dynamics in an Aircraft Cabin","authors":"Vinod Kumar Srinivasa, Subhaschandra Kattimani, Ganga Reddy C.","doi":"10.1080/10618562.2023.2297944","DOIUrl":"https://doi.org/10.1080/10618562.2023.2297944","url":null,"abstract":"Computational fluid dynamics (CFD) is used to analyze the jet interaction of side-vent and gaspers and their influence on cough jets in aircraft cabins. A control device is designed and proposed to...","PeriodicalId":56288,"journal":{"name":"International Journal of Computational Fluid Dynamics","volume":"1 1","pages":""},"PeriodicalIF":1.3,"publicationDate":"2024-01-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139082858","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Time-Accurate Solution of Unsteady Flows in an Implicit Solver Using Block LUSGS Method 使用块状 LUSGS 方法在隐式求解器中对非稳态流进行时间精确求解
IF 1.3 4区 工程技术
International Journal of Computational Fluid Dynamics Pub Date : 2023-12-27 DOI: 10.1080/10618562.2023.2181958
M. R. Nived, Poreddy Pavan Kumar Reddy, Vinayak Eswaran
{"title":"Time-Accurate Solution of Unsteady Flows in an Implicit Solver Using Block LUSGS Method","authors":"M. R. Nived, Poreddy Pavan Kumar Reddy, Vinayak Eswaran","doi":"10.1080/10618562.2023.2181958","DOIUrl":"https://doi.org/10.1080/10618562.2023.2181958","url":null,"abstract":"Implicit solvers based on the lower-upper symmetric Gauss–Seidel (LUSGS) method are widely used in Computational Fluid Dynamics (CFD) codes to obtain steady-state solutions using large false-transi...","PeriodicalId":56288,"journal":{"name":"International Journal of Computational Fluid Dynamics","volume":"78 1","pages":""},"PeriodicalIF":1.3,"publicationDate":"2023-12-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139082548","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Turbulence Modelling for SWTBLI with Expansion Wave Interference Inside Scramjet Inlets 带有 Scramjet 入口内膨胀波干扰的 SWTBLI 湍流建模
IF 1.3 4区 工程技术
International Journal of Computational Fluid Dynamics Pub Date : 2023-12-27 DOI: 10.1080/10618562.2023.2195642
Kavan M. Prabtani, Rajesh Ranjan
{"title":"Turbulence Modelling for SWTBLI with Expansion Wave Interference Inside Scramjet Inlets","authors":"Kavan M. Prabtani, Rajesh Ranjan","doi":"10.1080/10618562.2023.2195642","DOIUrl":"https://doi.org/10.1080/10618562.2023.2195642","url":null,"abstract":"An accurate prediction of the flowfield inside the scramjet inlet/isolator is crucial for a stable and reliable aerodynamic design. However, the complex phenomena such as shock wave-expansion wave ...","PeriodicalId":56288,"journal":{"name":"International Journal of Computational Fluid Dynamics","volume":"18 1","pages":""},"PeriodicalIF":1.3,"publicationDate":"2023-12-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139065182","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
A High-Order Compact Gas-Kinetic Scheme in a Rotating Coordinate Frame and on Sliding Mesh 旋转坐标系和滑动网格中的高阶紧凑气体动力学方案
IF 1.3 4区 工程技术
International Journal of Computational Fluid Dynamics Pub Date : 2023-12-27 DOI: 10.1080/10618562.2023.2178647
Yue Zhang, Xing Ji, Kun Xu
{"title":"A High-Order Compact Gas-Kinetic Scheme in a Rotating Coordinate Frame and on Sliding Mesh","authors":"Yue Zhang, Xing Ji, Kun Xu","doi":"10.1080/10618562.2023.2178647","DOIUrl":"https://doi.org/10.1080/10618562.2023.2178647","url":null,"abstract":"This paper extends the high-order compact gas-kinetic scheme (CGKS) to flow simulations on a rotating coordinate frame. The kinetic equation with the inclusion of centrifugal and Coriolis accelerat...","PeriodicalId":56288,"journal":{"name":"International Journal of Computational Fluid Dynamics","volume":"10 1","pages":""},"PeriodicalIF":1.3,"publicationDate":"2023-12-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139056363","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Adjoint Based Aerodynamic Shape Optimisation Using Kinetic Meshfree Method 使用无网格动力学方法进行基于交点的空气动力学形状优化
IF 1.3 4区 工程技术
International Journal of Computational Fluid Dynamics Pub Date : 2023-12-27 DOI: 10.1080/10618562.2023.2230897
Keshav S. Malagi, Nischay R. Mamidi, Nemili Anil, Vasudev Ramesh, Suresh M. Deshpande
{"title":"Adjoint Based Aerodynamic Shape Optimisation Using Kinetic Meshfree Method","authors":"Keshav S. Malagi, Nischay R. Mamidi, Nemili Anil, Vasudev Ramesh, Suresh M. Deshpande","doi":"10.1080/10618562.2023.2230897","DOIUrl":"https://doi.org/10.1080/10618562.2023.2230897","url":null,"abstract":"The gradient based optimisation algorithms combined with the finite volume or element based adjoint approaches have been very successful in aerodynamic shape optimization (ASO). The meshfree least ...","PeriodicalId":56288,"journal":{"name":"International Journal of Computational Fluid Dynamics","volume":"28 1","pages":""},"PeriodicalIF":1.3,"publicationDate":"2023-12-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139094159","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Multi-Viscosity Physics-Informed Neural Networks for Generating Ultra High Resolution Flow Field Data 用于生成超高分辨率流场数据的多粘度物理信息神经网络
IF 1.3 4区 工程技术
International Journal of Computational Fluid Dynamics Pub Date : 2023-12-21 DOI: 10.1080/10618562.2023.2295286
Sen Zhang, Xiao-Wei Guo, Chao Li, Ran Zhao, Canqun Yang, Wei Wang, Yanxu Zhong
{"title":"Multi-Viscosity Physics-Informed Neural Networks for Generating Ultra High Resolution Flow Field Data","authors":"Sen Zhang, Xiao-Wei Guo, Chao Li, Ran Zhao, Canqun Yang, Wei Wang, Yanxu Zhong","doi":"10.1080/10618562.2023.2295286","DOIUrl":"https://doi.org/10.1080/10618562.2023.2295286","url":null,"abstract":"","PeriodicalId":56288,"journal":{"name":"International Journal of Computational Fluid Dynamics","volume":"2 20","pages":""},"PeriodicalIF":1.3,"publicationDate":"2023-12-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138951142","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Identification of Oil and Gas Two-Phase Flow Patterns in Aero-Engine Bearing Chambers Based on Kriging Method 基于Kriging方法的航空发动机轴承室油气两相流型识别
IF 1.3 4区 工程技术
International Journal of Computational Fluid Dynamics Pub Date : 2023-12-05 DOI: 10.1080/10618562.2023.2289440
Jingkui Li, Binjie Qu, Yuming Qian, Zhibin Liu, Zhandong Li
{"title":"Identification of Oil and Gas Two-Phase Flow Patterns in Aero-Engine Bearing Chambers Based on Kriging Method","authors":"Jingkui Li, Binjie Qu, Yuming Qian, Zhibin Liu, Zhandong Li","doi":"10.1080/10618562.2023.2289440","DOIUrl":"https://doi.org/10.1080/10618562.2023.2289440","url":null,"abstract":"The identification of the flow pattern within the bearing chamber's oil and gas two-phase flow is crucial for its lubrication design. Aiming at the lack of accuracy and universality of the current ...","PeriodicalId":56288,"journal":{"name":"International Journal of Computational Fluid Dynamics","volume":"59 ","pages":""},"PeriodicalIF":1.3,"publicationDate":"2023-12-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138505831","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Investigation of Low and High-Speed Fluid Dynamics Problems Using Physics-Informed Neural Network 利用物理信息神经网络研究低速和高速流体动力学问题
IF 1.3 4区 工程技术
International Journal of Computational Fluid Dynamics Pub Date : 2023-11-30 DOI: 10.1080/10618562.2023.2285330
Anubhav Joshi, Alexandros Papados, Rakesh Kumar
{"title":"Investigation of Low and High-Speed Fluid Dynamics Problems Using Physics-Informed Neural Network","authors":"Anubhav Joshi, Alexandros Papados, Rakesh Kumar","doi":"10.1080/10618562.2023.2285330","DOIUrl":"https://doi.org/10.1080/10618562.2023.2285330","url":null,"abstract":"In this work, we have employed physics-informed neural networks (PINNs) to solve a few fluid dynamics problems at low and high speeds, with a focus on the latter. For high-speed fluid dynamics prob...","PeriodicalId":56288,"journal":{"name":"International Journal of Computational Fluid Dynamics","volume":"45 10","pages":""},"PeriodicalIF":1.3,"publicationDate":"2023-11-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138505832","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
A Shock Sensor Based on Image Segmentation with Application to a Hybrid Central/WENO Scheme 基于图像分割的冲击传感器及其在中央/WENO混合方案中的应用
4区 工程技术
International Journal of Computational Fluid Dynamics Pub Date : 2023-10-18 DOI: 10.1080/10618562.2023.2267484
Nasreddine Bouguellab, Smail Khalfallah, Boubakr Zebiri, Nassim Brahmi
{"title":"A Shock Sensor Based on Image Segmentation with Application to a Hybrid Central/WENO Scheme","authors":"Nasreddine Bouguellab, Smail Khalfallah, Boubakr Zebiri, Nassim Brahmi","doi":"10.1080/10618562.2023.2267484","DOIUrl":"https://doi.org/10.1080/10618562.2023.2267484","url":null,"abstract":"A novel shock sensor based on image segmentation is proposed for flows with shock or detonation waves. It consists of a function computed based on the numerical Schliren formulation, which is the absolute value of the density gradient. A fast segmentation technique is applied to the sensor function to determine the threshold of the sensor. The candidate troubled cells detected via the computed threshold are further filtered by a Ducros sensor and multiresolution analysis to exclude turbulent zones from the troubled cells. The proposed sensor is applied to a finite difference hybrid scheme, tested for several cases, and compared with other sensors, namely the Ducros sensor, the multiresolution analysis, and WENO- and TENO-based sensors. The results show that the proposed sensor detects the shock and detonation waves more accurately than the other sensors with fewer cells and reduces the computational time of the hybrid scheme.","PeriodicalId":56288,"journal":{"name":"International Journal of Computational Fluid Dynamics","volume":"17 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-10-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135888149","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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