Advances in Applied Sciences

Archive

Volume 1, Issue 2, October 2016

  • Approximation of the Cut Function by Some Generic Logistic Functions and Applications

    Nikolay Kyurkchiev, Svetoslav Markov

    Issue: Volume 1, Issue 2, October 2016
    Pages: 24-29
    Received: 17 August 2016
    Accepted: 27 August 2016
    Published: 12 September 2016
    DOI: 10.11648/j.aas.20160102.11
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    Abstract: In this paper we study the uniform approximation of the cut function by smooth sigmoid functions such as Nelder and Turner–Blumenstein–Sebaugh growth functions. To illustrate the use of one of the models we have fitted the model to the “classical Verhulst data”. Several numerical examples are presented throughout the paper using the contemporary co... Show More
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  • Influence of Superplasticizer Compatibility on the Setting Time, Strength and Stiffening Characteristics of Concrete

    Muhsen Salam Mohammed, Salahaldein Alsadey Mohamed, Megat Azmi Megat Johari

    Issue: Volume 1, Issue 2, October 2016
    Pages: 30-36
    Received: 8 September 2016
    Accepted: 23 September 2016
    Published: 14 October 2016
    DOI: 10.11648/j.aas.20160102.12
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    Abstract: The adverse effects of elevated temperatures on the properties of the fresh concrete include increased water demand, shorter setting time and increased slump loss. Superplasticizer (SP) is important to enhance the workability and setting time of concrete under hot weather, hence, an experimental investigation was conducted to determine the effect o... Show More
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  • Framework for Traffic Engineering of SDN Data Paths

    Lucio Agostinho Rocha

    Issue: Volume 1, Issue 2, October 2016
    Pages: 37-45
    Received: 15 September 2016
    Accepted: 26 September 2016
    Published: 15 October 2016
    DOI: 10.11648/j.aas.20160102.13
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    Abstract: Software Defined Networking (SDN) is an approach to the deployment of future network infrastructures. SDN allows deal with different configurations to a crescent amount of virtualized network devices. In this paper, we offer a framework to support a number of network configurations through computational modeling and deployment of data paths between... Show More
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