《Acta Mechanica Sinica》

作品数：3033被引量：6137H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1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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Assessment of bone strength and fracture behavior of degenerative vertebrae through quantifying morphology and density distribution
《Acta Mechanica Sinica》2025年第1期211-225,共15页Meng Zhang He Gong Ming Zhang 
supported by the National Natural Science Foundation of China(Grant No.12272029).
Lumbar degeneration leads to changes in geometry and density distribution of vertebrae,which could further influence the mechanical property and behavior.This study aimed to quantitatively describe the variations in s...
关键词：Statistical shape model Statistical appearance model Lumbar degeneration Compressive strength Fracture behavior 
Machine learning-encoded multiscale modelling and Bayesian optimization framework to design programmable metamaterials
《Acta Mechanica Sinica》2025年第1期226-245,共20页Yizhe Liu Xiaoyan Li Yuli Chen Bin Ding 
supported by the National Natural Science Foundation of China (Grant Nos.12102021,12372105,12172026,and 12225201);the Fundamental Research Funds for the Central Universities and the Academic Excellence Foundation of BUAA for PhD Students.
Advanced programmable metamaterials with heterogeneous microstructures have become increasingly prevalent in scientific and engineering disciplines attributed to their tunable properties.However,exploring the structur...
关键词：Artificial neural network Multiscale computation Bayesian optimization Inverse design Programmable metamaterials 
Numerical evaluation of a new high pressure water jet interference method for bridge pier protection against vessel collision
《Acta Mechanica Sinica》2025年第1期54-66,共13页Jincai Chen Xiquan Wei Jingjing Huang Ding Fu Haibo Wang Zhideng Zhou 
supported by the National Natural Science Foundation of China (Grant No.11802347);Guangdong Basic and Applied Basic Research Foundation (Grant Nos.2018A030310334 and 2023A1515012482);Guangzhou Basic and Applied Basic Research Foundation (Grant No.2023A04J1618).
Ship-bridge collisions happen from time to time globally, and the consequences are often catastrophic. Therefore, this paper pro-poses a new high-pressure water jet interference (HPWJI) method for bridge pier protecti...
关键词：Ship-bridge collision Anti-collision device Water jet Safe distance 
Some fundamental issues in buoyancy-driven flows with implications for geophysical and astrophysical systems
《Acta Mechanica Sinica》2025年第1期1-21,共21页Ke-Qing Xia Kai Leong Chong Guang-Yu Ding Lu Zhang 
supponted by the National Natural Science Foundation of China (Grant Nos 12202173,12072144,12232010,12372219,and 12302282).
Buoyancy-driven flows are prevalent in a wide range of geophysical and astrophysical systems. In this review, we focus on threepivotal effects that significantly influence the dynamics and transport properties of buoy...
关键词：Buoyancy-driven flows Geophysical turbulence Rayleigh-B´enard convection 
Phase field modeling of the aspect ratio dependent functional properties of NiTi shape memory alloys with different grain sizes被引量：1
《Acta Mechanica Sinica》2025年第1期22-41,共20页Bo Xu Beihai Huang Chong Wang Qingyuan Wang 
supported by the National Natural Science Foundation of China (Grant Nos.12202294 and 12022208);the Project funded by China Postdoctoral Science Foundation (Grant No.2022M712243);the Fundamental Research Funds for the Central Universities (Grant No.2023SCU12098).
It is well known that coarse-grained super-elastic NiTi shape memory alloys(SMAs)exhibit localized rather than homogeneous martensite transformation(MT),which,however,can be strongly influenced by either internal size...
关键词：Phase field modeling NITI Aspect ratio Grain size Functional property 
Surface element design of nanomaterials considering surface curvature dependence
《Acta Mechanica Sinica》2025年第1期42-53,共12页Yongchao Zhang Lian Wang Fangxin Wang Bin Li Xiaofan Gou 
supported by the Jiangsu Funding Program for Excellent Postdoctoral Talent (Grant No.2023ZB397);the Project funded by China Postdoctoral Science Foundation (Grant No.2023M732986).
Nanomaterials have garnered recognition for their notable surface effects and demonstration of superior mechanical properties.Previous studies on the surface effects of nanomaterials,employing the finite element metho...
关键词：NANOMATERIALS Surface effect Surface element curvature dependence Finite element method 
The role of energetic flow structures on the aeolian transport of sediment and plastic debris
《Acta Mechanica Sinica》2025年第1期67-81,共15页Manousos Valyrakis Xiaohu Zhao Thomas Pähtz Zhenshan Li 
supported by the National Natural Science Foundation of China (Grants Nos.41171005,41071005,12272344,and 12350710176);the Ministry of Science and Technology of the People’s Republic of China (Grant No.2013CB956000).
Recently,significant progress has been made in conceptually describing the dynamic aspects of coarse particle entrainment,which has been explored experimentally for open channel flows.The aim of this study is to exten...
关键词：Particle rocking Incipient rolling Wind tunnel experiments Threshold flow energy Aeolian transport Plastics Plastic debris 
Numerical investigation on vortex dynamics of flow around a pitching hydrofoil via the finite-domain impulse theory
《Acta Mechanica Sinica》2025年第1期82-94,共13页Hui-Yun Hao Yun-Qing Liu Qin Wu Ying Liu 
supported by the National Science Foundation of China (Grant Nos.52279081,and 51839001).
The behaviors of unsteady flow structures and corresponding hydrodynamics for a pitching hydrofoil are investigated numerically and theoretically in the present paper.The aims are to derive the total lift by finite-do...
关键词：Cavitation Vortex dynamics Finite-domain impulse theory Pitching hydrofoil Laminar separation bubble Dynamic stall 
Quantum-enriched large-eddy simulation with the incompressible Schrodinger flow
《Acta Mechanica Sinica》2025年第1期95-105,共11页Zishuo Han Yue Yang 
supported by the National Natural Science Foundation of China (Grant Nos.11925201,and 11988102);the National Key R&D Program of China (Grant No.2020YFE0204200);the Xplore Prize.Numerical simulations were carried out on the TH-2A supercomputer in Guangzhou,China.
We propose a hybrid quantum-classical method,the quantum-enriched large eddy simulation(QELES),for simulating turbulence.The QELES combines the large-scale motion of the large eddy simulation(LES)and the subgrid motio...
关键词：Quantum computing Large-eddy simulation Subgrid motion 
Symplectic solutions for orthotropic micropolar plane stress problem
《Acta Mechanica Sinica》2025年第1期106-127,共22页Long Chen Zhaofei Tang Qiong Wu Qiang Gao 
supported by the National Key R&D Program of China (Grant No.2022YFB4201200);Technology Major Project (Grant No.J2019-IV-0019-0087);National Science and Technology Major Project (Grant No.J2019-IV-0019-0087).
The symplectic approach was utilized to derive solutions to the orthotropic micropolar plane stress problem.The Hamiltonian canonical equation was first obtained by applying Legendre’s transformation and the Hamilton...
关键词：Symplectic approach MICROPOLAR Orthotropic materials Size effect Analytical solution 
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