Home / Journals / CMC / Vol.44, No.1, 2014
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  • Open Access

    ARTICLE

    Normal Stresses in an Ifnitite Elastic Body with a Locally Curved and Hollow Nanofiber

    K. S. Alan1
    CMC-Computers, Materials & Continua, Vol.44, No.1, pp. 1-21, 2014, DOI:10.3970/cmc.2014.044.001
    Abstract In the framework of the piecewise homogeneous body model with the use of the three-dimensional geometrically nonlinear exact equations of the theory of elasticity, the method developed for the determination of the stress distribution in the nanocomposites with unidirectional locally curved and hollow nanofibers is used to investigate the normal stresses acting along the nanofibers. Furthermore, it is assumed that the body is loaded at infinity by uniformly distributed normal forces which act along the nanofibers and the crosssection of the nanofibers and normal to its axial line, is a circle of constant radius along the entire nanofiber length. For… More >

  • Open Access

    ARTICLE

    Atomistic Modeling of Spall Response in a Single Crystal Aluminum

    R. R. Valisetty1, A. M. Dongare2, A. M. Rajendran3, R. R. Namburu1
    CMC-Computers, Materials & Continua, Vol.44, No.1, pp. 23-57, 2014, DOI:10.3970/cmc.2014.044.023
    Abstract Materials used in soldier protective structures, such as armor, vehicles and civil infrastructures, are being improved for performance in extreme dynamic environments. Accordingly, atomistic molecular dynamics simulations were performed to study the spall response in a single crystal aluminum atom system. A planar 9.6 picoseconds (ps) shock pulse was generated through impacts with a shock piston at velocities ranging from 0.6 km/s to 1.5 km/s in three <1,0,0>, <1,1,0>, and <1,1,1> crystal orientations. In addition to characterizing the transient spall region width and duration, the spall response was characterized interms of the traditional axial stress vs. axial strain response for… More >

  • Open Access

    ARTICLE

    Structural Performance of Precast and Cast-in-situ Ultra High Strength Concrete Sandwich Panel

    A. Ramach,ra Murthy1,2, V. Ramesh Kumar1, Smitha Gopinath1, PrabhatRanjan Prem1, Nagesh R. Iyer3, Reshmi Balakrishnan4
    CMC-Computers, Materials & Continua, Vol.44, No.1, pp. 59-72, 2014, DOI:10.3970/cmc.2014.044.059
    Abstract This paper investigates the flexural performance of a sandwich panel made up of ultra high strength concrete (UHSC) as top and bottom skin and cold formed steel as sandwich. A novel sandwich panel has been designed such a way that bottom skin of UHSC is of precast in nature and top skin of UHSC is cast-insitu and cold formed steel (profiled sheet) as sandwich. The connection between top skin of UHSC and cold formed steel is made with self tapping screws. Flexural performance of UHSC sandwich panel has been tested under flexural loading and it is found that the post… More >

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