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中国力学大会-2017暨庆祝中国力学学会成立60周年大会将于2017年8月13~16日在北京举行。大会由中国力学学会、北京理工大学联合主办和承办。大会将设立主会场、分会场、专题研讨会。主会场约请海内外著名力学专家作力学学科前沿、综述、展望等方面的大会邀请报告；分会场由相关专业委员会约请本学科领域的国内外专家作分会场邀请报告；专题研讨会面向全国力学及相关科技工作者征稿。
Analysis of DEM Generated Using CARTOSAT-1 Stereo Data Over Mausanne Les Alpiles - CARTOSAT Scientific Appraisal Programme (CSAP TS - 5)
CARTOSAT-1 geometry digital elevation model errors quality RPC Ortho-image
2015/11/24
The high-resolution Cartosat-1 stereo image data is expected to have significant impact in topographic mapping and watershed applications. The objective of the present investigation is to make an asse...
Multi-Scale Digital Terrain Model Generation Using CARTOSAT-1 Stereo Images for the Mausanne Les Alpilles Test Site
Satellite remote sensing Digital elevation models Space photogrammetry Accuracy analysis Topographic mapping
2015/11/24
Cartosat-1 is the first Indian Remote Sensing satellite able to collect in-track high resolution stereo images with a 2.5m pixel size. Since Cartosat-1 has no multispectral cameras, it was mainly deve...
Les pulsations du champ magnétique terrestre et des courants telluriques (Description des Phénomènes)
Observation of magnetic field the earth current ripple
2015/8/28
Review of observational knowledge on pulsations of magnetic field and telluric currents.
Espace et échelle du mouvement : la loi de Fitts dans le monde physique et dans les mondes électroniques
Espace échelle homothétie diagramme espace-échelle pointage loi de Fitts mouvement humain cinématique et dynamique mondes d’information ou électroniques interaction homme-machine
2015/7/30
Nous avons conçu et mis en oeuvre une approche nouvelle du paradigme classique du pointage faisant jouer un rôle central à la variable d’échelle. Nous utilisons le diagramme espace-échelle i...
Verification and Validation of HiFiLES: a High-Order LES unstructured solver on multi-GPU platforms
Verifi cation Validation HiFiLES High-Order LES unstructured solver multi-GPU platforms
2015/7/6
The goal of this paper is to present a verification and validation study of HiFiLES: a high-order LES solver developed in the Aerospace Computing Laboratory (ACL) at Stanford University. HiFiLES...
LES modeling with high-order flux reconstruction and spectral difference schemes
High-Order Methods Large-Eddy Simulation Sub-Grid Scale Modeling.
2015/7/3
The combination of the high-order unstructured flux reconstruction and spectral difference spatial discretization schemes with sub-grid scale modeling for large-eddy simulation is investigated w...
Toward structural LES modeling with high-order spectral difference schemes
Toward structural LES modeling high-order spectral erence schemes
2015/7/3
The combination of the high-order unstructured spectral difference spatial discretiza tion scheme with sub-grid scale modeling for large-eddy simulation was investigated with particular focus on...
Structural LES modeling with high-order spectral difference schemes
Structural LES modeling high-order spectral diff erence schemes
2015/7/3
Notwithstanding the considerable effort which has been devoted to the development of accurate and relatively reliable sub-grid scale (SGS) models for LES, in most cases, the underlying numerical...
Structural Wall-modeled LES Using a High-order Spectral Difference Scheme for Unstructured Meshes
High-order schemes Unstructured meshes Large-Eddy simulation Similarity mixed models Wall-modeling
2015/7/3
The combination of the high-order unstructured Spectral Difference (SD) spatial discretization scheme with Sub-Grid Scale (SGS) modeling for Wall-Modeled Large-Eddy Simulation (WMLES) is investigated.
ON THE DEVELOPMENT OF SELFADAPTING (RAS/LES) TURBULENCE MODELS FOR FLUID SIMULATION AT ANY MESH RESOLUTION
SELF ADAPTING TURBULENCE MODELS FLUID SIMULATION MESH RESOLUTION
2014/10/23
Solving the Navier-Stokes equations using direct numerical simulation (DNS) is computationally impractical, especially at high Reynolds numbers. Recent technological advances in supercomputing have pa...
采用周期人流边界,在展向等间距网格系统中对平板湍流边界层(驱动单元)进行LES模拟,并将顺压力梯度引人流体控制方程以维持湍流边界层厚度的稳定.记录驱动单元脉动时程并将其引人虚拟模拟网格系统(验证单元)以研究LES脉动人口方法的适用性.数值结果表明,采用周期人流边界可成功实现脉动输人,边界层在顺压力梯度下的自保持性良好;脉动人流特性在驱动单元内保持良好,可满足工程需求;顺流向平均流速剖面以及湍流强度...
雾滴湍流蒸发与输运的 LES-FDF 数值模拟研究
喷雾 蒸发 LES FDF
2014/5/6
基于大涡模拟（Large Eddy Simulation，LES）方法，推导出颗粒所见流场速度的滤波密度函数（Filtered Density Function，FDF）输运方程模型，将建立的 LES-FDF模型用于突扩通道内湍流喷雾蒸发的数值模拟，液滴蒸发的计算采用无限热传导蒸发模型。将模拟结果与实验数据进行对比，两者符合较好，表明：基于大涡模拟的 FDF模型可以很好地描述气液两相流中亚网格尺度...
LES与 DNS粒子轨迹的 Lyapunov指数的比较
携带粒子的湍流 LES Lyapunov指数
2014/5/4
本文根据 LES、DNS 和滤波以后的 DNS 的各向均匀同性湍流场计算了粒子运动的 6 个Lyapunov指数，用以考察 LES与 DNS粒子轨迹的差别。当粒子的惯性较大时（St>1）三种结果得到的Lyapunov指数相近。当粒子惯性较小时（St<1）三种结果得到的指数各不相同，其中差别最大的点在St约为 0.5的区域。对于 St数属于 0.1到 2.0范围内的所有情况，DNS的第一个 Lyap...
基于混合RANS/LES方法与FW-H方程的气动声学计算研究
计算气动声学 非定常流动 涡脱落 Navier-Stokes方程 大涡模拟 限制数值尺度 Ffowcs Williams-Hawkings方程 双圆柱
2013/10/20
在气动噪声的数值计算过程中,非定常流动的求解精度对声学计算结果有着重要的影响。以机体噪声计算的标准算例双圆柱绕流气动噪声问题为研究对象,采用基于非线性k-ε湍流模型的限制数值尺度(LNS)方法对双圆柱绕流进行了数值模拟,将计算得到的气动特性和流动特征与相应的试验结果进行了对比分析。为了求解远场观测点处的气动噪声,在精确求解双圆柱绕流流动的基础上结合基于FW-H(Ffowcs Williams-Ha...