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  1. No Access

    Article

    Enhanced Natural Convection for Accelerating Melting of Phase Change Material in Cellular Structure through Inserting Fin

    The design of thermal conductivity enhancers (TCE) is quite critical to overcoming the disadvantage of the poor thermal conductivity of phase change materials (PCM). The main contribution of this study is firs...

    Dekui Kong, Yongcun Zhang, Shutian Liu in Journal of Thermal Science (2024)

  2. No Access

    Chapter and Conference Paper

    A Multi-stage Network with Self-attention for Tooth Instance Segmentation

    Automatic and accurate instance segmentation of teeth from 3D Cone-Beam Computer Tomography (CBCT) images is crucial for dental diagnose. Although Convolutional Neural Networks (CNNs) are widely used for tooth...

    Yongcun Zhang, Zhiming Luo, Shaozi Li in Computer Supported Cooperative Work and So… (2024)

  3. No Access

    Article

    Compressive strength estimation of ultra-great workability concrete using hybrid algorithms

    This paper aimed to analyze the capability of the hybrid adaptive neuro-fuzzy inference system (ANFIS) networks to estimate the compressive strength ( ...

    YongCun Zhang, Zhe Bai, Hui** Zhang in Multiscale and Multidisciplinary Modeling,… (2023)

  4. No Access

    Article

    Topology optimization of thermoelastic structures under transient thermal loads limited to stress constraints

    For the optimization design of the thermoelastic structures in transient heat transfer, the commonly used design methods in previous studies which transforms the transient heat transfer into a steady-state hea...

    Shuai Li, Yongcun Zhang, Shutian Liu… in Structural and Multidisciplinary Optimizat… (2022)

  5. No Access

    Article

    Pile settlement prediction applying hybrid ALO-SVR and BBO-SVR approaches

    Pile settlement (SP) socketed to rock has taken substantial regard. Despite introducing some design techniques of SP, employing the novel and workable prediction model with acceptable prediction performance is...

    Yongcun Zhang in Multiscale and Multidisciplinary Modeling, Experiments and Design (2022)

  6. No Access

    Article

    Microstructural topology optimization for patch-based sandwich panel with desired in-plane thermal expansion and structural stiffness

    Apart from the lightweight and excellent mechanical properties, sandwich panels can be endowed with tailorable in-plane coefficient of thermal expansion (CTE) through an elaborate design of periodic face-sheet...

    Zihao Yang, Yongcun Zhang, Shutian Liu… in Structural and Multidisciplinary Optimizat… (2021)

  7. No Access

    Article

    Topology optimization for minimizing the maximum temperature of transient heat conduction structure

    In this paper, a topology optimization model is proposed for transient heat conduction structure design. In this model, a new performance index, named as the Regional Temperature Control Function (RTCF), was i...

    Shuhao Wu, Yongcun Zhang, Shutian Liu in Structural and Multidisciplinary Optimization (2019)

  8. No Access

    Article

    A novel implementation algorithm of asymptotic homogenization for predicting the effective coefficient of thermal expansion of periodic composite materials

    Asymptotic homogenization (AH) is a general method for predicting the effective coefficient of thermal expansion (CTE) of periodic composites. It has a rigorous mathematical foundation and can give an accurate...

    Yongcun Zhang, Shipeng Shang, Shutian Liu in Acta Mechanica Sinica (2017)

  9. No Access

    Article

    Design of conducting paths based on topology optimization

    In this paper, a new method based on topology optimization is developed to solve the volume-to-point heat conduction problem with distributed heat sources, which can construct the conducting paths by distribut...

    Yongcun Zhang, Shutian Liu in Heat and Mass Transfer (2008)

  10. No Access

    Article

    Heat transfer and pressure drop in fractal microchannel heat sink for cooling of electronic chips

    In this paper, the improved design of fractal branching channel net that can meet the demand for cooling of rectangular electronic chip with arbitrary ratio of length to width is presented. A theory model is p...

    Shutian Liu, Yongcun Zhang, Peng Liu in Heat and Mass Transfer (2007)

  11. No Access

    Article

    Double Star TC-1 observation of the earthward flowing plasmoids in the near magnetotail

    We analyze Double Star TC-1 magnetic field data from July to September in 2004 and find that plasmoids exist in the very near-Earth magnetotail. It is the first time that TC-1 observes the plasmoids in the mag...

    YongCun Zhang, Zhen**ng Liu, Chao Shen, Su** Duan, ZhaoHai He… in Chinese Science Bulletin (2007)