A5100373261- Advanced Numerical Methods in Computational Mathematics
- Geotechnical Engineering and Underground Structures
- Microstructure and mechanical properties
- Advanced Mathematical Modeling in Engineering
- Numerical methods in engineering
- Structural Integrity and Reliability Analysis
- Advanced materials and composites
- Engineering Structural Analysis Methods
- Metal Forming Simulation Techniques
- Microstructure and Mechanical Properties of Steels
- Mechanical stress and fatigue analysis
- High-Velocity Impact and Material Behavior
- Metallurgy and Material Forming
- Hydraulic and Pneumatic Systems
- Fusion materials and technologies
- Thermodynamic and Exergetic Analyses of Power and Cooling Systems
- Hydrogen embrittlement and corrosion behaviors in metals
- Vibration and Dynamic Analysis
- Carbon Dioxide Capture Technologies
- Soil, Finite Element Methods
- Metal and Thin Film Mechanics
- Geotechnical Engineering and Soil Stabilization
- Offshore Engineering and Technologies
- Powder Metallurgy Techniques and Materials
- Fluid Dynamics Simulations and Interactions
Beijing Institute of Technology
2019-2025
State Key Laboratory of Turbulence and Complex Systems
2019-2024
National Kaohsiung University of Science and Technology
2023-2024
Peking University
2007-2024
Yanshan University
2022-2024
City University of Hong Kong
2023-2024
Sichuan University
2024
Taiyuan University of Technology
2023
Southeast University
2022-2023
Shenyang Ligong University
2023
In this paper, sharp a posteriori error estimators are derived for class of distributed elliptic optimal control problems. These shown to be useful in adaptive finite element approximation the problems and implemented approach. Our numerical results indicate that work satisfactorily guiding mesh adjustments can save substantial computational work.
This research proposes a multicavity and graded structure design method for triply periodic minimal surface (TPMS) structures with broadband perfect sound absorption. TPMS were manufactured by laser powder bed fusion. The absorption coefficient curves acoustic band of are analyzed using two-microphone impedance tube. As the thickness increases, noise reduction increases linearly, first resonance frequency shifts to lower frequency. indicate that bandgap increasing thickness. Diamond has...
In this paper, we derive some improved a posteriori error estimates for finite element approximation of Neumann boundary control problems. We first establish local upper both the state and general convex then lower class problems that frequently appear in applications.
Size-dependent yield strength is a common feature observed in miniaturized crystalline metallic samples, and plenty of studies have been conducted experiments numerical simulations to explore the underlying mechanism. However, transition from bulklike size-affected behavior has received less attention. Here unified theoretical model proposed probe materials with sample size nanoscale macroscale. We show that versus can be fully explained by competition between stresses required for...
In this paper, we derive a posteriori error estimates for the finite element approximation of distributed optimal control problems governed by Stokes equations. We obtain estimators both state and in L2 norm H1 norm. These can be used to construct reliable adaptive problems.
In this paper, we present an a posteriori error analysis for the finite element approximation of convex optimal Neumann boundary control problems. We derive estimates both state and approximation, first on polygonal domains then Lipschitz piecewise C2 domains. Such estimates, which are apparently not available in literature, can be used to construct reliable adaptive schemes Explicit shown some model problems that frequently appear applications.
As an emerging antiferroelectric material, ${\mathrm{AgNbO}}_{3}$ holds promise in various applications like sensors, high-density data storage, and energy conversion. Understanding its structural behavior under high pressure is vital for establishing a phase diagram, which of importance properties design materials. However, the detailed structures representative pressures were still debate. Hence, we investigated high-pressure evolution using Raman spectroscopy, situ synchrotron x-ray...
(H2dabco)[NH4(ClO4)3] (DAP, dabco = 1,4-diazabicyclo[2.2.2]octane) is a recently synthesized ammonium perchlorate-based molecular perovskite energetic material. The high-symmetry configuration assembles the oxidant ClO4- and fuel H2dabco2+ into compact cubic crystal, realizing high energy-releasing efficiency. In this study, thermal decomposition of DAP has been investigated by thermogravimetric analysis (TG) differential scanning calorimetry (DSC) coupled with Fourier transform infrared...