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检索条件"主题词=numerical algorithms"
1087 条 记 录,以下是371-380 订阅
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New methods for finite element model updating problems
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AIAA JOURNAL 2006年 第6期44卷 1310-1316页
作者: Kuo, Yuen-Cheng Lin, Wen-Wei Xu, Shufang Natl Univ Kaohsiung Dept Appl Math Kaohsiung 811 Taiwan Natl Tsing Hua Univ Dept Math Hsinchu 300 Taiwan Peking Univ Sch Math Sci Beijing 100871 Peoples R China
We consider two finite element model updating problems, which incorporate the measured modal data into the analytical finite element model, producing an adjusted model on the (mass) damping and stiffness, that closely... 详细信息
来源: 评论
Evaluation of high-order spectral volume method for benchmark computational aeroacoustic problems
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AIAA JOURNAL 2005年 第2期43卷 337-348页
作者: Wang, ZJ Michigan State Univ Dept Mech Engn E Lansing MI 48824 USA
A time-accurate, high-order finite volume method named spectral volume (SV) method has been developed recently for conservation laws on unstructured grids and successfully demonstrated for Euler equations. In this pap... 详细信息
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TIME-DEPENDENT WAVE ENVELOPE FINITE-DIFFERENCE ANALYSIS OF SOUND-PROPAGATION
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AIAA JOURNAL 1986年 第1期24卷 32-38页
作者: BAUMEISTER, KJ NASA Lewis Research Center Cleveland Ohio
A transient finite difference wave envelope formulation is presented for sound propagation without steady flow. Before the finite difference equations are formulated, the governing wave equation is first transformed t... 详细信息
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Thermomechanical formulation of ductile damage coupled to nonlinear isotropic hardening and multiplicative viscoplasticity
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JOURNAL OF THE MECHANICS AND PHYSICS OF SOLIDS 2016年 91卷 334-358页
作者: Soyarslan, C. Bargmann, S. Hamburg Univ Technol Inst Continuum Mech & Mat Mech D-21073 Hamburg Germany Helmholtz Zentrum Geesthacht Inst Mat Res D-21502 Geesthacht Germany
In this paper, we present a thermomechanical framework which makes use of the internal variable theory of thermodynamics for damage-coupled finite viscoplasticity with nonlinear isotropic hardening. Damage evolution, ... 详细信息
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Variational Data Assimilation Technique in Mathematical Modeling of Ocean Dynamics
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PURE AND APPLIED GEOPHYSICS 2012年 第3期169卷 555-578页
作者: Agoshkov, V. I. Zalesny, V. B. RAS Inst Numer Math Moscow 199333 Russia
Problems of the variational data assimilation for the primitive equation ocean model constructed at the Institute of numerical Mathematics, Russian Academy of Sciences are considered. The model has a flexible computat... 详细信息
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Free surface lattice Boltzmann with enhanced bubble model
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COMPUTERS & MATHEMATICS WITH APPLICATIONS 2014年 第2期67卷 331-339页
作者: Anderl, Daniela Bogner, Simon Rauh, Cornelia Ruede, Ulrich Delgado, Antonio Univ Erlangen Nurnberg Lehrstuhl Stromungsmech D-91058 Erlangen Germany Univ Erlangen Nurnberg Lehrstuhl Syst Simulat D-91058 Erlangen Germany
This paper presents an enhancement to the free surface lattice Boltzmann method (FSLBM) for the simulation of bubbly flows including rupture and breakup of bubbles. The FSLBM uses a volume of fluid approach to reduce ... 详细信息
来源: 评论
A Low Complexity Scaling Method for the Lanczos Kernel in Fixed-Point Arithmetic
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IEEE TRANSACTIONS ON COMPUTERS 2015年 第2期64卷 303-315页
作者: Jerez, Juan Luis Constantinides, George A. Kerrigan, Eric C. Univ London Imperial Coll Sci Technol & Med Dept Elect & Elect Engn London SW7 2AZ England Univ London Imperial Coll Sci Technol & Med Dept Aeronaut London SW7 2AZ England
We consider the problem of enabling fixed-point implementation of linear algebra kernels on low-cost embedded systems, as well as motivating more efficient computational architectures for scientific applications. Fixe... 详细信息
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Development of closed-loop tail-sizing criteria for a High Speed Civil Transport
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JOURNAL OF AIRCRAFT 1997年 第5期34卷 658-664页
作者: Kaminer, II Howard, RM Buttrill, CS NASA LANGLEY RES CTRDYNAM & CONTROL BRANCHHAMPTONVA 23681
A study was conducted to determine the closed-loop tail-sizing criteria for a High Speed Civil Transport using a newly developed integrated aircraft/controller design methodology. The key idea is to cast closed loop r... 详细信息
来源: 评论
General matrix pencil techniques for the solution of algebraic Riccati equations: A unified approach
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IEEE TRANSACTIONS ON AUTOMATIC CONTROL 1997年 第8期42卷 1085-1097页
作者: Ionescu, V Oara, C Weiss, M TECH UNIV EINDHOVEN FAC APPL PHYS NL-5600 MB EINDHOVEN NETHERLANDS
We present a unified theory of matrix pencil techniques for solving both continuous and discrete-time algebraic Riccati equations (ARE's) under fairly general conditions on the coefficient matrices, The theory app... 详细信息
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Petascale large eddy simulation of jet engine noise based on the truncated SPIKE algorithm
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PARALLEL COMPUTING 2014年 第9期40卷 496-511页
作者: Situ, Yingchong Martha, Chandra S. Louis, Matthew E. Li, Zhiyuan Sameh, Ahmed H. Blaisdell, Gregory A. Lyrintzis, Anastasios S. Purdue Univ Dept Comp Sci W Lafayette IN 47907 USA Purdue Univ Sch Aeronaut & Astronaut W Lafayette IN 47907 USA
With the emergence of petascale computing platforms, high-fidelity computational aeroacoustics (CAA) simulation has become a feasible, robust and accurate tool that complements theoretical and empirical approaches in ... 详细信息
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