TWO-SCALE

作品数:53被引量:112H指数:6
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相关领域:理学更多>>
相关机构:哈尔滨工业大学河北工业大学更多>>
相关期刊:《Science China Earth Sciences》《Journal of Wuhan University of Technology(Materials Science)》《International Journal of Sediment Research》《Science China Mathematics》更多>>
相关基金:国家自然科学基金国家重点基础研究发展计划中国博士后科学基金霍英东教育基金更多>>
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Concurrent Two-Scale Topology Optimization of Thermoelastic Structures Using a M-VCUT Level Set Based Model of Microstructures
《Computer Modeling in Engineering & Sciences》2024年第11期1327-1345,共19页Jin Zhou Minjie Shao Ye Tian Qi Xia 
supported by the National Natural Science Foundation of China(Grant No.12272144).
By analyzing the results of compliance minimization of thermoelastic structures,we observed that microstructures play an important role in this optimization problem.Then,we propose to use a multiple variable cutting(M...
关键词:Two-scale structure topology optimization multiple variable cutting level set DATA-DRIVEN radial basis function thermoelastic structure 
An M-VCUT level set-based data-driven model of microstructures and optimization of two-scale structures
《Frontiers of Mechanical Engineering》2024年第4期73-86,共14页Minjie SHAO Tielin SHI Qi XIA 
supported by the National Natural Science Foundation of China(Grant No.12272144).
The optimization of two-scale structures can adapt to the different needs of materials in various regions by reasonably arranging different microstructures at the macro scale,thereby considerably improving structural ...
关键词:two-scale structure structural optimization M-VCUT level set HOMOGENIZATION radial basis function DATA-DRIVEN 
Study on vibration reduction of two-scale system coupled with dynamic vibration absorber
《Applied Mathematics and Mechanics(English Edition)》2024年第8期1335-1352,共18页Honglin WAN Xianghong LI Yongjun SHEN 
Project supported by the National Natural Science Foundation of China(Nos.12172233 and U1934201)。
The dynamic vibration absorber with inerter and grounded stiffness(IGDVA)is used to control a two-scale system subject to a weak periodic perturbation.The vibration suppression effect is remarkable.The amplitude of th...
关键词:two-scale system dynamic vibration absorber vibration control inerter 
High-Order Two-Scale Asymptotic Paradigm for the Elastodynamic Homogenization of Periodic Composites
《Acta Mechanica Solida Sinica》2024年第1期124-138,共15页Wei-Zhi Luo Mu He Liang Xia Qi-Chang He 
The classical two-scale asymptotic paradigm provides macroscopic and microscopic analyses for the elastodynamic homogenization of periodic composites based on the spatial or/and temporal variable,which offers an appro...
关键词:Composites HOMOGENIZATION Asymptotic analysis Dynamics Dispersion 
Improved Microwave Ocean Emissivity and Reflectivity Models Derived from Two-Scale Roughness Theory被引量:2
《Advances in Atmospheric Sciences》2023年第10期1923-1938,共16页Lingli HE Fuzhong WENG 
funded by the National Key Research and Development Program(Grant No.2022YFC3004200);the National Key Research and Development Program of China(Grant No.2021YFB3900400);Hunan Provincial Natural Science Foundation of China(Grant No.2021JC0009);the National Natural Science Foundation of China(Grant No.U2142212).
The Geometrical Optics(GO)approach and the FAST Emissivity Model(FASTEM)are widely used to estimate the surface radiative components in atmospheric radiative transfer simulations,but their applications are limited in ...
关键词:EMISSIVITY microwave remote sensing reflectivity matrix two-scale roughness theory 
Highly oxidation-resistant Ti-Mo alloy with two-scale network Ti_(5)Si_(3)reinforcement
《Journal of Materials Science & Technology》2022年第15期24-34,共11页Qiong Lu Yaozha Lv Chi Zhang Hongbo Zhang Wei Chen Zhanyuan Xu Peizhong Feng Jinglian Fan 
financially supported by the National Natural Science Foundation of China(NSFC)[Grant No.51534009];National Key R&D Program of China[Grant No.2017YFB0306001];Natural Science Foundation of Hunan Province China(Grant No.2021JJ40750)。
There is keen interest in using Ti alloys as lightweight structural materials for aerospace and automotive industries.However,a long-standing problem for these materials is their poor oxidation resistance.Herein,we de...
关键词:Ti matrix composites Oxidation mechanism Thermal stability Interface strengthening Transmission electron microscopy 
Limits of One-dimensional Interacting Particle Systems with Two-scale Interaction
《Chinese Annals of Mathematics,Series B》2022年第2期195-208,共14页Tong ZHAO 
This paper characterizes the limits of a large system of interacting particles distributed on the real line.The interaction occurring among neighbors involves two kinds of independent actions with different rates.This...
关键词:Interacting particle systems Stochastic partial differential equations Two-scale interaction TIGHTNESS 
Characterizing and identifying bedforms in the wandering reach of the lower Yellow River被引量:6
《International Journal of Sediment Research》2022年第1期110-121,共12页Yuanfeng Zhang Ping Wang Guanqing Shen 
supported by the National Research and Development Program of China(Grant No.2017YFC0405505);Basic Research Fund for Central Public Interest Scientific Institutes(Grant No.HKY-JBYW-2017-07);the National Natural Science Foundation of China(Grant No.51379087).
The lower Yellow River(LYR)is a fully alluvial system with a fine-grained bed that has a high proportion of silt.Bathymetric survey data collected with a Multi-Beam Echo Sounder(MBES)from the wandering reach of the LY...
关键词:Bedform discrimination Two-scales of dunes Alluvial resistance The lower Yellow River 
ERROR ESTIMATES FOR TWO-SCALE COMPOSITE FINITE ELEMENT APPROXIMATIONS OF NONLINEAR PARABOLIC EQUATIONS
《Journal of Computational Mathematics》2021年第4期493-517,共25页Tamal Pramanick 
The author gratefully acknowledges valuable support provided by the Department of Mathematics,NIT Calicut and the DST,Government of India,for providing support to carry out this work under the scheme TIST(No.SR/FST/MS-I/2019/40).
We study spatially semidiscrete and fully discrete two-scale composite nite element method for approximations of the nonlinear parabolic equations with homogeneous Dirichlet boundary conditions in a convex polygonal d...
关键词:Composite nite elements Nonlinear parabolic problems Coarse-scale Finescale Semidiscrete Fully discrete Error estimate 
A Two-Scale Multi-Physics Deep Learning Model for Smart MEMS Sensors
《Journal of Materials Science and Chemical Engineering》2021年第8期41-52,共12页José Pablo Quesada-Molina Stefano Mariani 
Smart materials and structures, especially those bio-inspired, are often characterized by a hierarchy of length- and time-scales. Smart Micro Electro-Mechanical Systems (MEMS) are als...
关键词:Machine Learning Artificial Neural Networks Polysilicon MEMS Uncer-tainty Quantification Lorentz Force Magnetometer 
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