American Journal of Mathematical and Computer Modelling

Archive

Volume 5, Issue 1, March 2020

  • Perturbation Procedures in the Dynamic Analysis of a Toroidal Shell Segment Pressurized by a Step Load

    Anthony Monday Ette, Joy Ulumma Chukwuchekwa, Williams Ifeanyichukwu Osuji, Atulegwu Chukwudi Osuji

    Issue: Volume 5, Issue 1, March 2020
    Pages: 1-11
    Received: 22 November 2019
    Accepted: 13 December 2019
    Published: 17 January 2020
    DOI: 10.11648/j.ajmcm.20200501.11
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    Abstract: This paper uses perturbation techniques in asymptotic procedures to determine the normal displacement, the associated Airy stress function and the dynamic buckling load of an imperfect, finite toroidal shell segment pressurized by a step load. The adoption of asymptotic and perturbation procedure is made possible by the presence of small non-dimens... Show More
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  • A Comparative Study on Additive and Mixed Models in Descriptive Time Series

    Kelechukwu Celestine Nosike Dozie, Maxwell Azubuike Ijomah

    Issue: Volume 5, Issue 1, March 2020
    Pages: 12-17
    Received: 7 January 2020
    Accepted: 27 January 2020
    Published: 11 February 2020
    DOI: 10.11648/j.ajmcm.20200501.12
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    Abstract: Time series analyses are statistical methods used to assess trends in repeated measurements taken at equally spaced time intervals and their relationships with other trends or events, taking account of the temporal structure of such data. An important aspect of descriptive time series analysis is the choice of model for time series decomposition. T... Show More
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  • Modeling of Average Survival Time for a Loss to Be Handled in Insurance Company

    James Akuma Bogonko, George Orwa, Anthony Wanjoya

    Issue: Volume 5, Issue 1, March 2020
    Pages: 18-21
    Received: 28 October 2019
    Accepted: 21 November 2019
    Published: 18 February 2020
    DOI: 10.11648/j.ajmcm.20200501.13
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    Abstract: Most insurance companies find it hard and hectic to pay claims that had not being anticipated. In order for the companies to be able to make enough reserves to cater for the claims, the average survival time for a claim to occur and then settled in an automobile insurance companies need to be determined. Therefore, the project used survival analysi... Show More
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  • A Satisfaction Degree Evaluation Model of Knowledge Payment Platform for College Students in Guangzhou City

    Qiansheng Zhang, Yaxian Chen, Guoming Wu, Huahong Chen, Xiaoya Sun, Huijuan Zang

    Issue: Volume 5, Issue 1, March 2020
    Pages: 22-28
    Received: 25 February 2020
    Accepted: 24 March 2020
    Published: 14 April 2020
    DOI: 10.11648/j.ajmcm.20200501.14
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    Abstract: With the rapid development of knowledge information and internet technology, a variety of online knowledge paid products and knowledge payment platforms are widely used by college students. The satisfaction evaluation of knowledge payment platform not only helps college students choose a suitable knowledge payment platform, but also helps the knowl... Show More
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