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  1. No Access

    Chapter and Conference Paper

    Application of Ground Penetrating Radar Technique in Defect Detection for External Wall Thermal Insulation System of Inorganic Thermal Insulation Mortar

    In view of the widespread potential dangers such as cracking, hollowing and falling off in the external wall thermal insulation system of inorganic thermal insulation mortar, the basic principle of ground pene...

    D. B. Zhang, Z. L. Wang, H. Shi, X. Chen… in Proceedings of the 6th International Confe… (2024)

  2. Article

    Open Access

    Flux focusing with a superconducting nanoneedle for scanning SQUID susceptometry

    A nanofabricated superconducting quantum interference device (nano-SQUID) is a direct and sensitive flux probe used for magnetic imaging of quantum materials and mesoscopic devices. Due to the functionalities ...

    B. K. **ang, S. Y. Wang, Y. F. Wang, J. J. Zhu, H. T. Xu… in Microsystems & Nanoengineering (2023)

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  3. No Access

    Article

    Failure mechanism and constitutive relation for an anchorage segment of an anchor cable under pull-out loading

    It is a key to reveal the failure mechanism and constitutive relation of the anchor segment of the anchor cable. By using the self-developed pull-twist coupling device, the pull-out tests for anchor cables wit...

    S. R. Wang, Y. H. Wang, J. Gong, Z. L. Wang, Q. X. Huang, F. L. Kong in Acta Mechanica (2020)

  4. No Access

    Article

    Experimental investigation of dry density effects on dielectric properties of soil–water mixtures with different specific surface areas

    The dielectric constant of soil is used to estimate its water content in a range of applications. Unlike the widely known effect of water content on the soil dielectric constant (consistent direct proportional...

    A. Orangi, G. A. Narsilio, Y. H. Wang, D. Ryu in Acta Geotechnica (2020)

  5. No Access

    Article

    Local responses in 2D assemblies of elliptical rods when subjected to biaxial shearing

    This study explored the characteristics of local responses in 2D assemblies of elliptical particles when subjected to shearing. A biaxial shearing system was designed for this investigation, and two assemblies...

    Q. Yuan, Z. Li, Y. Gao, Y. H. Wang, X. Li in Acta Geotechnica (2019)

  6. No Access

    Article

    Experimental characterization and 3D DEM simulation of bond breakages in artificially cemented sands with different bond strengths when subjected to triaxial shearing

    This paper describes the mechanical behavior of artificially cemented sands with strong, intermediate, and weak bond strengths, using experimentation and 3D discrete element method (DEM) simulation. The focus ...

    Z. Li, Y. H. Wang, C. H. Ma, C. M. B. Mok in Acta Geotechnica (2017)

  7. No Access

    Article

    DEM simulations of shear modulus and dam** ratio of sand with emphasis on the effects of particle number, particle shape, and aging

    In this study, the nonlinear, Hertz–Mindlin contact model and clumped particles were used in the discrete element method simulations of cyclic shear tests to obtain the shear modulus G and dam** ratio D at a wi...

    L. Tong, Y. H. Wang in Acta Geotechnica (2015)

  8. No Access

    Article

    Resist evaluation for proton beam writing, Ni mold fabrication and nano-replication

    Proton beam writing (PBW) is a new direct-write technique which has shown great potential to fabricate structures down to 20 nm level in resist material. Protons can be accelerated up to a high energy (3.5 MeV...

    Y. H. Wang, P. Malar, J. A. van Kan in Microsystem Technologies (2014)

  9. No Access

    Article

    Proton beam writing a platform technology for high quality three-dimensional metal mold fabrication for nanofluidic applications

    Direct write nanolithographic techniques are powerful techniques to fabricate masters for nano-imprint lithography (NIL). Proton beam writing (PBW) is a relatively new technique which has shown great potential...

    J. A. van Kan, P. G. Shao, Y. H. Wang, P. Malar in Microsystem Technologies (2011)

  10. No Access

    Article

    Automatic generation of an NC machining tool-path for a 3D curve based on polar coordinates

    A new tool path generation method is presented for tool radius compensation to deal with 3D curves machining on polar coordinates. An algorithm is suggested that consists of interference correcting, undercut r...

    R.-Q. Li, Y.-H. Wang, Z.-Y. Wu, Z.-N. Chen in The International Journal of Advanced Manu… (2006)

  11. No Access

    Article

    On Calculation of SIFs for Edge Multiple Cracks

    The stress intensity factors (SIFs) corresponding to the internal multiple cracks in a finite plane was first given by Cheung et al. (1992). In this paper the similar method is used further for SIF calculation...

    Y.H. Wang, W.D. Li in International Journal of Fracture (2000)

  12. No Access

    Article

    A coupling model of reinforced concrete fracture

    In this paper, a coupling model is presented for analysis of reinforced concrete fracture. An effective approach, the Boundary Collocation Method, and an iteration procedure are employed in the analysis. Based...

    J. S. Kuang, Y. H. Wang in Materials and Structures (1998)

  13. No Access

    Chapter

    Novel Grating Coupled and Normal Incidence III-V Quantum well Infrared Photodetectors with Background Limited Performance at 77 K

    We report four novel III-V quantum well infrared photodetectors (QWIPs) fabricated on the MBE grown n-type GaAs/AlGaAs, AlAs/AlGaAs, and p-type strained layer (PSL) InGaAs/InAlAs material systems. The detectio...

    Sheng S. Li, Y. H. Wang in Quantum Well Intersubband Transition Physics and Devices (1994)

  14. No Access

    Article

    Analysis of an internal crack in a finite anisotropic plate

    In this paper the boundary collocation method is presented for computing the stress intensity factors for an internal crack in a finite anisotropic plate. The stress functions are assumed such that they can re...

    C. W. Woo, Y. H. Wang in International Journal of Fracture (1993)

  15. No Access

    Article

    An effective numerical method for an interfacial crack in a finite bi-material plate

    In this paper an effective numerical method is presented for analyzing the stress intensity factors associated with the stress field near a partially debonded interface in a finite bi-material plate. The stree...

    C. W. Woo, Y. H. Wang, Y. K. Cheung in International Journal of Fracture (1992)

  16. No Access

    Article

    A general method for multiple crack problems in a finite plate

    A novel method for the multiple crack problems in a finite plate is proposed in this paper. The basic stress functions of the solution consist of two parts. One is the Fredholm integral equation solution for t...

    Y. K. Cheung, C. W. Woo, Y. H. Wang in Computational Mechanics (1992)

  17. No Access

    Article

    The torsion of a bar with arbitrary section containing two edge cracks

    In this paper it has been shown that the boundary collocation method can be used to evaluate the torsional rigidity and the third mode stress intensity factor for a straight bar with arbitrary section containi...

    Y. K. Cheung, Y. H. Wang in International Journal of Fracture (1991)

  18. No Access

    Article

    The plastic zone and limit load of centre-cracked plate by the weighted residual method and elasto-viscoplastic theory

    A combination of the weighted residual method and elasto-viscoplastic theory is used to study the plastic zone and the limit load of centre-cracked plate. A new set of displacement functions has been assumed, ...

    Y. H. Wang, Y. K. Cheung, C. W Woo in Computational Mechanics (1990)

  19. No Access

    Article

    The stress intensity factor of a crack emanating from a circular hole in a finite plate by boundary collocation method

    The problem of a finite plate containing a circular hole with a crack subjected to a uniform remote stress is analysed by boundary collocation method. For an infinite plate with dimensions large in comparison ...

    Y. H. Wang, Y. K. Cheung, C. W. Woo in International Journal of Fracture (1990)

  20. No Access

    Article

    The stress intensity factor for a double edge cracked plate by boundary collocation method

    A set of complex functions for the double edge cracked plate is proposed. The boundary collocation method is used for estimating the stress intensity factors and the results obtained by this method compare ver...

    Y. K. Cheung, C. W. Woo, Y. H. Wang in International Journal of Fracture (1988)