《Acta Mechanica Sinica》

作品数：3049被引量：6156H指数：20
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《Acta Mechanica Sinica》
主办单位：中国理论与应用力学学会
最新期次：2025年2期更多>>
发文主题：ANNUMERICAL_SIMULATIONANALYSISNONLINEARTURBULENCE更多>>
发文领域：理学一般工业技术航空宇航科学技术自动化与计算机技术更多>>
发文基金：国家自然科学基金国家重点基础研究发展计划中国博士后科学基金国家教育部博士点基金更多>>
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Galerkin-Vlasov approach for bending analysis of flexoelectric doubly-curved sandwich nanoshells with piezoelectric/FGP/piezoelectric layers using the nonlocal strain theory被引量：1
《Acta Mechanica Sinica》2025年第2期7-40,共34页Tran Van Ke Do Van Thom Nguyen Thai Dung Nguyen Van Chinh Phung Van Minh 
This work was supported by the Le Quy Don Technical University Research Fund(Grant No.23.1.11).
Flexoelectricity refers to the link between electrical polarization and strain gradient fields in piezoelectric materials,particularly at the nano-scale.The present investigation aims to comprehensively focus on the s...
关键词：Analytical solution Flexoelectric effect Nonlocal strain gradient theory Static bending of nanoshell 
Elucidating viscoelastic effects on focused ultrasound thermal therapy with acoustic-solid-thermal coupling analysis
《Acta Mechanica Sinica》2025年第2期41-51,共11页Zhibo Du Haolong Chen Weican Li Zhuo Zhuang Zhanli Liu 
This work was supported by the National Natural Science Foundation of China(Grant Nos.11972205,11921002,11972210,and 12302096);the National Key Research Development Program of China(Grant No.2020-JCJQ-ZD-254).
Focused ultrasound(FUS)therapy generates sufficient heat for medical interventions like tumor ablation by concentrating energy at the focal point.The complex viscoelastic properties of biological tissues pose challeng...
关键词：Focused ultrasound(FUS) Thermal therapy Acoustic-solid-thermal coupling Hyper-viscoelastic constitutive model Mechanical parameters 
Thermodynamics performance assessment of precooled cycle engines with ammonia as the fuel and coolant
《Acta Mechanica Sinica》2025年第2期52-69,共18页Xin Zhang Yang Lu Xuejun Fan 
This work was supported by the High-level Innovative Research Institute from the Department of Science and Technology of Guangdong Province(Grant No.2020B0909010003);the Ministry of Education of China(Grant No.8091B02052401).
To meet the demand for air-breathing power for wide-range vehicles at Mach 0–10,two thermal cycles with ammonia as the fuel and coolant were analyzed,namely the precooled rocket-turbine cycle(PC-RT)and the precooled ...
关键词：AMMONIA PC-RT PC-GT Specific thrust Specific impulse 
Large eddy simulation of low-Reynolds-number flow past the SD7003 airfoil with an improved high-precision IPDG method
《Acta Mechanica Sinica》2025年第2期70-87,共18页Shixi Hao Ming Zhao Qiushi Ding Jiabing Xiao Yanan Chen Wei Liu Xiaojian Li Zhengxian Liu 
This work was supported by the National Key R&D Program of China(Grant No.2022YFE0207000);the National Natural Science Foundation of China(Grant Nos.12372289,11972250,and 12102298);the China Postdoctoral Science Foundation(Grant No.2021M702443);Tianjin Natural Science Foundation(Grant No.22JCZDJC00910).
At low-Reynolds-number,the performance of airfoil is known to be greatly affected by the formation and burst of a laminar separation bubble(LSB),which requires a more precise simulation of the delicate flow structures...
关键词：Discontinuous Galerkin Interior penalty method Subgrid-scale model Large eddy simulation Laminar separation 
Buckling morphology evolution of thin films on non-linear elastic substrates
《Acta Mechanica Sinica》2025年第2期176-183,共8页Andi Lai Di Ou Jun Liao Guo Fu 
This work was supported by the Youth Project of Hunan Provincial Department of Education(Grant No.22B0334);the Bridge and Tunnel Engineering Innovation Project of Changsha University of Science&Technology(Grant No.11ZDXK11);and the Practical Innovation and Entrepreneurship Capacity Improvement Plan of Changsha University of Science and Technology(Grant No.CLSJCX23029).
Organisms have evolved a strain limiting mechanism,reflected as a non-linear elastic constitutive,to prevent large deformations from threatening soft tissue integrity.Compared with linear elastic substrates,the wrinkl...
关键词：Non-linear elastic substrate Chiral ridge Spiral unit cell Tension-compression asymmetry Wrinkle morphological evolution 
Kinematics characteristics of unsprung mass in a double wishbone suspension based on velocity transformation
《Acta Mechanica Sinica》2025年第2期184-203,共20页Yupeng Duan Jinglai Wu Yunqing Zhang 
This work was supported by the National Natural Science Foundation of China(Grant No.12272141);The financial support is gratefully acknowledged.
The transformation from multibody models to lumped-parameter models is a crucial aspect of vehicle dynamics research.The velocity transformation method is adopted in this research,and the suspension multibody model is...
关键词：Multibody dynamics Velocity transformation SUSPENSION Model reduction Lumped-parameter model 
Dynamic modeling and control strategy for tethered satellite systems in orbital debris management
《Acta Mechanica Sinica》2025年第2期204-215,共12页Feng Gao Jiayang Li Fuxiang Dong Yi Ji Guanghui Sun 
This work was supported by the National Natural Science Foundation of China(Grant Nos.62173107 and 12202058);the Young Elite Scientists Sponsorship Program by Beijing Association for Science and Technology(Grant No.BYESS2023344).
The increasing accumulation of space debris threatens the integrity and functionality of satellites and complicates orbital operations.This paper constructs an advanced rigid-flexible coupling dynamic model for tether...
关键词：Space debris management Tethered satellite systems Rigid-flexible coupling Sliding mode control 
Discussion on isolation of flexible beams with various support configurations
《Acta Mechanica Sinica》2025年第2期216-236,共21页Jun-Ning Zhang Xiao-Ye Mao Hu Ding Li-Qun Chen 
This work was supported by the National Natural Science Foundation of China(Grant Nos.12002195 and 12372015);the National Science Fund for Distinguished Young Scholars(Grant No.12025204);the Program of Shanghai Municipal Education Commission(Grant No.2019-01-07-00-09-E00018).
This work discusses the strain and acceleration suppression of a flexible beam subjected to different supports analytically.As classical protection,the beam is mounted on a vertical linear spring together with a linea...
关键词：Flexible continuum Boundary isolation Quasi-zero isolation Nonlinear isolation Linear isolation 
Mechanical manipulation of the transient negative capacitance effect in resistor-ferroelectric capacitor circuit
《Acta Mechanica Sinica》2025年第2期237-246,共10页Qian He Weijin Chen Xin Luo Yue Zheng 
This work was supported by the National Natural Science Foundation of China(Grants Nos.12222214,12132020,12002400,and 12172386);by Guangdong Provincial Key Laboratory of Magnetoelectric Physics and Devices(Grant No.2022B1212010008);by the National Natural Science Foundation of Guangdong Province(Grant No.2021B1515020021);by the Shenzhen Science and Techonlogy Program(Grant Nos.202206193000001 and 20220818181805001).
Transient negative capacitance(NC),as an available dynamic charge effect achieved in resistor-ferroelectric capacitor(R-FEC)circuits,has triggered a series of theoretical and experimental works focusing on its physica...
关键词：FERROELECTRIC Transient negative capacitance Mechanical manipulation 
A parallel solver framework for fully implicit monolithic fluid-structure interaction
《Acta Mechanica Sinica》2025年第2期88-115,共28页Yujie Sun Qingshuang Lu Ju Liu 
This work was supported by the National Natural Science Foundation of China(Grant No.12172160);Shenzhen Science and Technology Program(Grant No.JCYJ20220818100600002);South-ern University of Science and Technology(Grant No.Y01326127);the Department of Science and Technology of Guangdong Province(Grant Nos.2020B1212030001 and 2021QN020642).
We propose a suite of strategies for the parallel solution of fully implicit monolithic fluid-structure interaction(FSI).The solver is based on a modeling approach that uses the velocity and pressure as the primitive ...
关键词：Fluid-structure interaction Monolithic coupling Implicit time integration Iterative methods Vortex-induced vibration 
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