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11 Result(s)

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  1. No Access

    Chapter

    A Numerical Determination of the Interactions Between Dislocations and Multiple Inhomogeneities

    The interactions between inhomogeneities and dislocations may affect the mechanical properties of heterogenous materials remarkably. However, the previous analytical solutions accounting for the interactions a...

    Zhizhen Jiang, Kuanyu Liu, Kai Zhu, Pu Li… in Mechanics of Heterogeneous Materials (2023)

  2. No Access

    Chapter

    Heterogeneous Contact Modelling and Analysis via Numerical Equivalent Inclusion Method

    This chapter presents a brief introduction to the background and development of contact modeling and analyses for heterogeneous material with the numerical equivalent inclusion method (NEIM). Contact theory an...

    Wanyou Yang, Kuanyu Liu, Zhizhen Jiang, Pu Li… in Mechanics of Heterogeneous Materials (2023)

  3. No Access

    Article

    Group channel pruning and spatial attention distilling for object detection

    Due to the over-parameterization of neural networks, many model compression methods based on pruning and quantization have emerged. They are remarkable in reducing the size, parameter number, and computational...

    Yun Chu, Pu Li, Yong Bai, Zhuhua Hu, Yongqing Chen, Jiafeng Lu in Applied Intelligence (2022)

  4. No Access

    Article

    Explicit co-simulation with interface Jacobian approximation

    Explicit co-simulation denotes a weak coupling of subsystems without iteration between the communication time points (macro-time points). Extrapolated polynomials are commonly used to represent coupling variab...

    Pu Li, Qi Yuan in Journal of Mechanical Science and Technology (2022)

  5. No Access

    Article

    Multi-objective intelligent cooperative design for interference fit of the conical sleeve

    This paper deals with the multi-objective intelligent cooperative optimization for interference fit of conical sleeve. The influence of various factors on contact pressure of conical sleeve was quantitatively ...

    Ke Ning, Jianmei Wang, Pu Li, Dan **ang… in Journal of Mechanical Science and Technolo… (2021)

  6. No Access

    Article

    Influence of coupling approximation on the numerical stability of explicit co-simulation

    Co-simulation allows the parallelization of several subsystems in a distributed manner with data exchanges at discrete user-defined communication points (macro-time points). Between two macro-time points, subs...

    Pu Li, Qi Yuan in Journal of Mechanical Science and Technology (2020)

  7. No Access

    Chapter and Conference Paper

    Alternative Integration Schemes for Constrained Mechanical Systems

    Various methods for solving systems of differential-algebraic equat...

    Tobias Meyer, Pu Li, Bernhard Schweizer in Multibody Dynamics 2019 (2020)

  8. No Access

    Article

    Improvement of the vibration performance of rod-fastened rotor by multioptimization on the distribution of original bending and unbalance

    Manufacturing errors of disks, namely, parallelism error and mass imbalance, cause complex bending and unbalance of rod-fastened rotor (RFR) after assembly, which act as original excitations and increase vibra...

    Bingxi Zhao, Qi Yuan, Pu Li in Journal of Mechanical Science and Technology (2020)

  9. No Access

    Article

    Analytical model of squeeze film air dam** of perforated plates in the free molecular regime

    In this paper, an analytical model of squeeze film dam** (SQFD) of perforated plates in the free molecular regime is developed, which is based on: (1) the modification of the perforated energy transfer model...

    Cunhao Lu, Pu Li, Yuming Fang in Microsystem Technologies (2019)

  10. No Access

    Chapter and Conference Paper

    Explicit Co-simulation Approach with Improved Numerical Stability

    For coupling different solvers, explicit co-simulation approaches are frequently applied, especially when proprietary software tools have to be coupled without full solver access. Explicit solver coupling appr...

    Pu Li, Daixing Lu, Robert Schmoll… in IUTAM Symposium on Solver-Coupling and Co-… (2019)

  11. No Access

    Article

    Co-simulation method for solver coupling with algebraic constraints incorporating relaxation techniques

    Based on the stabilized index-2 formulation for multibody systems, a semi-implicit co-simulation approach for solver coupling with algebraic constraints has been presented by Schweizer and Lu (Multibody Syst. ...

    Bernhard Schweizer, Daixing Lu, Pu Li in Multibody System Dynamics (2016)