CN112765725A - 针对多维Euler方程的解析黎曼解算方法 - Google Patents
针对多维Euler方程的解析黎曼解算方法 Download PDFInfo
- Publication number
- CN112765725A CN112765725A CN202011622564.0A CN202011622564A CN112765725A CN 112765725 A CN112765725 A CN 112765725A CN 202011622564 A CN202011622564 A CN 202011622564A CN 112765725 A CN112765725 A CN 112765725A
- Authority
- CN
- China
- Prior art keywords
- dimensional
- riemann
- analytic
- speed
- multidimensional
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims abstract description 46
- 238000004364 calculation method Methods 0.000 claims abstract description 34
- 230000004907 flux Effects 0.000 claims abstract description 26
- 230000035939 shock Effects 0.000 claims abstract description 13
- 238000000354 decomposition reaction Methods 0.000 claims abstract description 6
- 239000012530 fluid Substances 0.000 claims description 7
- 230000008859 change Effects 0.000 claims description 5
- 238000005293 physical law Methods 0.000 abstract description 7
- 239000013598 vector Substances 0.000 abstract description 6
- 238000004422 calculation algorithm Methods 0.000 description 10
- 230000008569 process Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 210000003205 muscle Anatomy 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/10—Geometric CAD
- G06F30/15—Vehicle, aircraft or watercraft design
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F17/00—Digital computing or data processing equipment or methods, specially adapted for specific functions
- G06F17/10—Complex mathematical operations
- G06F17/11—Complex mathematical operations for solving equations, e.g. nonlinear equations, general mathematical optimization problems
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/20—Design optimisation, verification or simulation
- G06F30/23—Design optimisation, verification or simulation using finite element methods [FEM] or finite difference methods [FDM]
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/20—Design optimisation, verification or simulation
- G06F30/28—Design optimisation, verification or simulation using fluid dynamics, e.g. using Navier-Stokes equations or computational fluid dynamics [CFD]
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Geometry (AREA)
- Mathematical Physics (AREA)
- General Engineering & Computer Science (AREA)
- Mathematical Analysis (AREA)
- Mathematical Optimization (AREA)
- Pure & Applied Mathematics (AREA)
- Computer Hardware Design (AREA)
- Evolutionary Computation (AREA)
- Computational Mathematics (AREA)
- Algebra (AREA)
- Data Mining & Analysis (AREA)
- Aviation & Aerospace Engineering (AREA)
- Automation & Control Theory (AREA)
- Operations Research (AREA)
- Databases & Information Systems (AREA)
- Software Systems (AREA)
- Computing Systems (AREA)
- Fluid Mechanics (AREA)
- Aerodynamic Tests, Hydrodynamic Tests, Wind Tunnels, And Water Tanks (AREA)
Abstract
Description
Claims (2)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202011622564.0A CN112765725B (zh) | 2020-12-30 | 2020-12-30 | 针对多维Euler方程的解析黎曼解算方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202011622564.0A CN112765725B (zh) | 2020-12-30 | 2020-12-30 | 针对多维Euler方程的解析黎曼解算方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN112765725A true CN112765725A (zh) | 2021-05-07 |
CN112765725B CN112765725B (zh) | 2023-04-07 |
Family
ID=75698594
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202011622564.0A Active CN112765725B (zh) | 2020-12-30 | 2020-12-30 | 针对多维Euler方程的解析黎曼解算方法 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN112765725B (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113723030A (zh) * | 2021-10-18 | 2021-11-30 | 山东大学 | 基于计算流体力学的实际气体物性仿真方法及系统 |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102890751A (zh) * | 2012-09-18 | 2013-01-23 | 天津空中代码工程应用软件开发有限公司 | 求解二维黎曼问题模拟亚音速无粘流的数值方法 |
CN102890733A (zh) * | 2012-09-18 | 2013-01-23 | 天津空中代码工程应用软件开发有限公司 | 求解亚音速流动的反问题的数值方法 |
WO2014043846A1 (zh) * | 2012-09-18 | 2014-03-27 | Lu Ming | 求解二维黎曼问题模拟亚音速无粘流的数值方法 |
CN103823916A (zh) * | 2013-10-23 | 2014-05-28 | 沈智军 | 一种基于多维黎曼解的任意拉格朗日欧拉方法 |
CN105329462A (zh) * | 2015-11-16 | 2016-02-17 | 中国人民解放军国防科学技术大学 | 基于可变壁面压力分布规律的吻切流场乘波前体设计方法 |
CN112100835A (zh) * | 2020-09-06 | 2020-12-18 | 西北工业大学 | 一种适用于复杂流动的高效高精度数值模拟方法 |
-
2020
- 2020-12-30 CN CN202011622564.0A patent/CN112765725B/zh active Active
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102890751A (zh) * | 2012-09-18 | 2013-01-23 | 天津空中代码工程应用软件开发有限公司 | 求解二维黎曼问题模拟亚音速无粘流的数值方法 |
CN102890733A (zh) * | 2012-09-18 | 2013-01-23 | 天津空中代码工程应用软件开发有限公司 | 求解亚音速流动的反问题的数值方法 |
WO2014043846A1 (zh) * | 2012-09-18 | 2014-03-27 | Lu Ming | 求解二维黎曼问题模拟亚音速无粘流的数值方法 |
CN103823916A (zh) * | 2013-10-23 | 2014-05-28 | 沈智军 | 一种基于多维黎曼解的任意拉格朗日欧拉方法 |
CN105329462A (zh) * | 2015-11-16 | 2016-02-17 | 中国人民解放军国防科学技术大学 | 基于可变壁面压力分布规律的吻切流场乘波前体设计方法 |
CN112100835A (zh) * | 2020-09-06 | 2020-12-18 | 西北工业大学 | 一种适用于复杂流动的高效高精度数值模拟方法 |
Non-Patent Citations (3)
Title |
---|
XU K等: "DissipativemechanisminGodunov一type sehemes", 《INTERNATIONAL JOURNAL OF NUOERIEAL METHODS IN FLUIDS》 * |
胡立军等: "求解可压缩流的二维通量分裂格式", 《计算力学学报》 * |
黎作武: "近似黎曼解对高超声速气动热计算的影响研究", 《力学学报》 * |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113723030A (zh) * | 2021-10-18 | 2021-11-30 | 山东大学 | 基于计算流体力学的实际气体物性仿真方法及系统 |
Also Published As
Publication number | Publication date |
---|---|
CN112765725B (zh) | 2023-04-07 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN105975645B (zh) | 一种基于多步的含激波区域飞行器流场快速计算方法 | |
Fletcher | The group finite element formulation | |
Gnoffo et al. | Computational aerothermodynamic simulation issues on unstructured grids | |
Mifsud et al. | Fusing wind-tunnel measurements and CFD data using constrained gappy proper orthogonal decomposition | |
Antoniadis et al. | Assessment of high-order finite volume methods on unstructured meshes for RANS solutions of aeronautical configurations | |
Adrian | Stochastic estimation of the structure of turbulent fields | |
Park et al. | Unstructured grid adaptation and solver technology for turbulent flows | |
Willcox et al. | An Arnoldi approach for generation of reduced-order models for turbomachinery | |
Ghoreishi et al. | Adaptive dimensionality reduction for fast sequential optimization with gaussian processes | |
Keshavarzzadeh et al. | Shape optimization under uncertainty for rotor blades of horizontal axis wind turbines | |
Kumar et al. | Improving high-dimensional physics models through Bayesian calibration with uncertain data | |
CN112765725B (zh) | 针对多维Euler方程的解析黎曼解算方法 | |
Kim | Parametric model reduction for aeroelastic systems: Invariant aeroelastic modes | |
Brahmachary et al. | Role of solution reconstruction in hypersonic viscous computations using a sharp interface immersed boundary method | |
Hölle et al. | Evaluation of measurement uncertainties for pneumatic multihole probes using a Monte Carlo method | |
Bhoraniya et al. | Global stability analysis of axisymmetric boundary layer over a circular cone | |
CN112883508A (zh) | 一种基于平行空间滤波的弹簧阻尼系统状态估计方法 | |
Balan et al. | Hp-adaptivity on anisotropic meshes for hybridized discontinuous Galerkin scheme | |
Zhao et al. | Higher-order characteristics-based method for incompressible flow computation on unstructured grids | |
Gallardo et al. | Data-based hybrid reduced order modeling for vortex-induced nonlinear fluid–structure interaction at low Reynolds numbers | |
JP6651254B2 (ja) | シミュレーション方法、シミュレーションプログラム、及びシミュレーション装置 | |
THAREJA et al. | Applications of an adaptive unstructured solution algorithm to the analysis of high speed flows | |
Carpenter et al. | Aerodynamic load estimation from virtual strain sensors for a pliant membrane wing | |
Edwards et al. | Adaptive incremental stippling for sample distribution in spatially adaptive PIV image analysis | |
Huo et al. | Aerothermoelastic response analysis for C/SiC panel of ceramic matrix composite shingle thermal protection system |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
GR01 | Patent grant | ||
GR01 | Patent grant | ||
TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20240411 Address after: 2201-49, 22nd Floor, Building 1, Green Valley Information Industry Park, No. 368 Chengbei Street, Liandu District, Lishui City, Zhejiang Province, 323020 Patentee after: Zhejiang Xiangding Aerospace Technology Co.,Ltd. Country or region after: China Address before: 621000 B401, No.133, mianxing East Road, high tech Zone, Mianyang City, Sichuan Province Patentee before: Sichuan Jing Space Engineering Science and Technology Development Co.,Ltd. Country or region before: China |