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  • Open Access

    ARTICLE

    Potential spatial expansion of Ulmus macrocarpa population in Keerqin sandy lands, China

    Jianar A, JH Yuan, YF Yang

    Phyton-International Journal of Experimental Botany, Vol.87, pp. 32-39, 2018, DOI:10.32604/phyton.2018.87.032

    Abstract Ulmus macrocarpa Hance can form monodominant woodlands in the semiarid Keerqin sandy lands, China. Methods of sampling at meter intervals from the bases of trees at the woodland edges and isolated trees, respectively, were employed along vertical sections in different directions. Using statistical methods based on the density function of the Weibull distribution, the patterns of seed dispersal and the spatial expansion response of U. macrocarpa, which is a typical anemochorous plant, were analyzed. Although as an effect of the wind direction varying owing to the monsoon, there were differences in the degree of dispersal of seeds… More >

  • Open Access

    ARTICLE

    Low Velocity Impact Response and Failure Assessment of Textile Reinforced Concrete Slabs

    Subashini I1, a, Smitha Gopinath2, *, Aahrthy R3, b

    CMC-Computers, Materials & Continua, Vol.53, No.4, pp. 291-306, 2017, DOI:10.3970/cmc.2017.053.291

    Abstract Present paper proposes a methodology by combining finite element method with smoothed particle hydrodynamics to simulate the response of textile reinforced concrete (TRC) slabs under low velocity impact loading. For the constitutive modelling in the finite element method, the concrete damaged plasticity model was employed to the cementitious binder of TRC and Von-Mises criterion was used for the textile reinforcement. Strain dependent smoothed particle hydrodynamics (SPH) was used to assess the damage and failure pattern of TRC slabs. Numerical simulation was carried out on TRC slabs with two different volume fraction of glass textile reinforcement More >

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