《Theoretical & Applied Mechanics Letters》

作品数：988被引量：887H指数：9
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《Theoretical & Applied Mechanics Letters》
主办单位：Institute of Mechanics,CAS (IMCAS);The Chinese Society of Theoretical and Applied Mechanics (CSTAM)
最新期次：2025年2期更多>>
发文主题：MECHANICSNUMERICAL_SIMULATIONMETHODTURBULENCEMODEL更多>>
发文领域：理学一般工业技术自动化与计算机技术航空宇航科学技术更多>>
发文基金：国家自然科学基金国家重点基础研究发展计划国家教育部博士点基金高等学校学科创新引智计划更多>>
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New exact traveling wave solutions of the coupled Boussinesq equations
《Theoretical & Applied Mechanics Letters》2025年第2期108-114,共7页Mingyue Wang Youhe Zhou Jizeng Wang 
supported by the National Natural Science Foundation of China(Grant No.11925204).
The Boussinesq equations,pivotal in the analysis of water wave dynamics,effectively model weakly nonlinear and long wave approximations.This study utilizes the complete discriminant system within a polynomial approach...
关键词：Coupled Boussinesq equations Exact traveling wave solutions Complete discriminant system Polynomial method 
Kolmogorov-Arnold networks modeling of wall pressure wavenumber-frequency spectra under turbulent boundary layers
《Theoretical & Applied Mechanics Letters》2025年第2期115-121,共7页Zhiteng Zhou Yi Liu Shizhao Wang Guowei He 
supported by the National Natural Science Foundation of China Basic Science Center Program for“Multiscale Problems in Nonlinear Mechanics”(Grant No.11988102);the National Natural Science Foundation of China(Grant Nos.92252203,12102439,and 12425207);the Chinese Academy of Sciences Project for Young Scientists in Basic Research(Grant No.YSBR-087);the Strategic Priority Research Program of Chinese Academy of Sciences(Grant No.XDB0620102).
The empirical models for wavenumber-frequency spectra of wall pressure are broadly used in the fast prediction of aerodynamic and hydrodynamic noise.However,it needs to fit the parameter using massive data and is only...
关键词：Wavenumber-frequency spectra Kolmogorov-Arnold networks modeling Turbulent boundary layers 
Field inversion and machine learning based on the Rubber-Band Spalart-Allmaras Model
《Theoretical & Applied Mechanics Letters》2025年第2期122-130,共9页Chenyu Wu Yufei Zhang 
supported by the National Natural Science Foundation of China(Grant Nos.12388101,12372288,U23A2069,and 92152301).
Machine learning(ML)techniques have emerged as powerful tools for improving the predictive capabilities of Reynolds-averaged Navier-Stokes(RANS)turbulence models in separated flows.This improvement is achieved by leve...
关键词：Turbulence modeling Field inversion Constrained-recalibration Machine learning 
Deep transfer learning for three-dimensional aerodynamic pressure prediction under data scarcity
《Theoretical & Applied Mechanics Letters》2025年第2期131-140,共10页Hao Zhang Yang Shen Wei Huang Zan Xie Yao-Bin Niu 
supported by the Natural Science Foundation of Hunan Province of China(Grant No.2021JJ10045).
Aerodynamic evaluation under multi-condition is indispensable for the design of aircraft,and the requirement for mass data still means a high cost.To address this problem,we propose a novel point-cloud multi-condition...
关键词：Aerodynamic prediction Deep transfer learning Point cloud Multi-condition scenarios Small-scale dataset 
Wake field prediction of a wind farm based on a physics-informed neural network with different spatiotemporal prediction performance improvement strategies
《Theoretical & Applied Mechanics Letters》2025年第2期141-153,共13页Junyong Song Lei Wang Zhiqiang Xin Hao Wang 
supported by the National Natural Science Foundation of China(Grant Nos.12072105,11932006,and 52308498);the Natural Science Foundation of Jiangsu Province,China(Grant No.BK20220976).
Dynamic wake field information is vital for the optimized design and control of wind farms.Combined with sparse measurement data from light detection and ranging(LiDAR),the physics-informed neural network(PINN)framewo...
关键词：Dynamic wake prediction LiDAR measurements Physics-informed neural network Accuracy improvement strategy Step-by-step time saving strategy 
Light-fueled self-rotation of a liquid crystal elastomer rod enabled by lateral constraint
《Theoretical & Applied Mechanics Letters》2025年第2期154-162,共9页Kai Li Pengsen Xu Lin Zhou 
supported by the University Natural Science Research Project of Anhui Province(Grant Nos.2022AH040042 and 2022AH020029);the National Natural Science Foundation of China(Grant No.12172001);Anhui Provincial Natural Science Foundation(Grant No.2208085Y01);the Housing and Urban-Rural Development Science and Technology Project of Anhui Province(Grant No.2022-YF069).
Recent experiments have found that a liquid crystal elastomer(LCE)rod supported in the middle can rotate continuously under horizontal illumination due to the combined impacts of gravity and light-fueled lateral bend-...
关键词：Liquid crystal elastomer Lateral constraint Self-rotation ROD Photothermally-responsive MICROGRAVITY 
Experimental study of Young’s modulus and internal friction of low-melting-point gallium using modified piezoelectric ultrasonic composite oscillator technique
《Theoretical & Applied Mechanics Letters》2025年第2期163-167,共5页Chuanyang Jiang Wenshuo Bai Mingyu Xie Xiangpeng Li Jiao Yu Hao Huang Lu Cao Faxin Li 
financially supported by the National Key R&D Program of China(Grant No.2023YFF0716800);the National Natural Science Foundation of China(Grant No.12074160);the Natural Science Foundation of Liaoning Province of China(Grant No.2024-MS-181).
As an emerging multifunctional metal with the lowest melting point except for mercury,gallium combines a wide range of metallic and non-metallic elements to form advanced semiconductors critically important in cutting...
关键词：GALLIUM Piezoelectric transducer Electromechanical impedance Young’s modulus Internal friction 
Traction performance and efficiency of cone friction CVT
《Theoretical & Applied Mechanics Letters》2025年第2期168-178,共11页Vít Ripa Karel Petr Jan Flek Gabriela Achtenová Frantisek Lopot 
supported by the Czech Technical University in Prague(Grant no.SGS23/108/OHK2/2T/12).
This study investigates the traction performance and efficiency of a conical friction continuously variable trans-mission.A new mathematical model was developed and validated through experimental measurements using a ...
关键词：Continuously variable transmission Conical continuously variable transmissions Friction gear SPIN Creep EFFICIENCY 
Herglotz type Noether theorems of nonholonomic systems with generalized fractional derivatives
《Theoretical & Applied Mechanics Letters》2025年第2期179-187,共9页Yuan-Yuan Deng Yi Zhang 
supported by the National Natural Science Foundation of China(Grant No.12272248);the Postgraduate Research and Practice Innovation Program of Jiangsu Province of China(Grant No.KYCX23_3296).
Fractional calculus is widely used to deal with nonconservative dynamics because of its memorability and non-local properties.In this paper,the Herglotz principle with generalized operators is discussed,and the Herglo...
关键词：Nonholonomic system Herglotz principle Noether theorem Generalized operators 
Investigation of dynamic behavior of human skin tissue under micro-particle impact in the context of transdermal drug delivery:numerical and analytical perspectives
《Theoretical & Applied Mechanics Letters》2025年第2期188-193,共6页Jianbo Shen Jiacai Huang Yaoke Wen Sebastien Roth 
supported by the Nanjing Institute of Technology(Grant No.YKJ202301).
The understanding of the impact of high-velocity microparticles on human skin tissue is important for the ad-ministration of drugs during transdermal drug delivery.This paper aims to numerically investigate the dynami...
关键词：Micro-particle impact Dynamic behavior Human skin tissue Smoothed particle hydrodynamics FEM penetration 
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