5 research outputs found

    The delamination behaviour of Vectran/Epoxy composites having a novel non-crimp fabric architecture

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    The Mode I and Mode II Interlaminar Fracture Toughness (IFT) of Vectran/Epoxy composite material were investigated using the Double Cantilever Beam (DCB) and 4 End NotchedFlexure (4ENF) methods, respectively. Due to the relatively low compressive strength of Vectran material (<10% of its tensile properties), specimens were hybridised by overwrapping Vectran/Epoxy with T800s/M21 to prevent compressive failure during testing. Experimental results were then simulated using the non-linear Finite Element Method (FEM) package, LS-Dyna. Fractographic studies were also conducted to understand the mechanism of failure and factors influencing it

    Systems success measurement: instrument & framework a new perspective

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    There are major concerns regarding the previous research that can be said as having poor measurements, lack of theoretical grounding, and concern heavily on investment justifies. Some are also considered as having weak survey instruments, inappropriate data collection approaches, and lack of agreement on the dependent variables measurement that resulted in its incompatibility. Several related issues pertaining to high rates of systems’ failure that justify the heavy investment costs and affect the systems’ success of measurement. This matter had raised a high concern, especially for the researchers, practitioners, organization managers and systems administrators. Thus, the successful measurement of any systems is vital. The purpose of this study is to provide a framework and a high-quality validated instrument based on the literature review and experts’ validation. Subsequently, it can be used in the future studies to efficiently assist in the systems’ success measurement. The statistical test of 344 users with the smart PLS for the instrument shows an excellent result

    Nias-mukalla web based systems success measurement and students satisfaction evaluation based on security factor of systems quality engineering theory (ISO 25010) and other factors

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    Latest studies reported that systems success measure suffers from mix of results and limited models that help in success measurement and evaluation. Because of systems models are domain specific and context related, there is a dire need for taking the measure to other perspectives like using related external factors such as management support or using software engineering theories such as ISO 25010. This study aimed to move the measure from a business perspective to other perspectives. This study investigated NIAS-Mukalla student satisfaction based on security, management support, computer anxiety and usefulness. All these independent variables found to be positively and significantly affected the satisfaction of the users. NIAS-Mukalla students were satisfied with the web-based systems

    Systems success measurement: instrument & framework a new perspective

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    There are major concerns regarding the previous research that can be said as having poor measurements, lack of theoretical grounding, and concern heavily on investment justifies. Some are also considered as having weak survey instruments, inappropriate data collection approaches, and lack of agreement on the dependent variables measurement that resulted in its incompatibility. Several related issues pertaining to high rates of systems’ failure that justify the heavy investment costs and affect the systems’ success of measurement. This matter had raised a high concern, especially for the researchers, practitioners, organization managers and systems administrators. Thus, the successful measurement of any systems is vital. The purpose of this study is to provide a framework and a high-quality validated instrument based on the literature review and experts’ validation. Subsequently, it can be used in the future studies to efficiently assist in the systems’ success measurement. The statistical test of 344 users with the smart PLS for the instrument shows an excellent result

    Nias-mukalla web based systems success measurement and students satisfaction evaluation based on security factor of systems quality engineering theory (ISO 25010) and other factors

    Get PDF
    Latest studies reported that systems success measure suffers from mix of results and limited models that help in success measurement and evaluation. Because of systems models are domain specific and context related, there is a dire need for taking the measure to other perspectives like using related external factors such as management support or using software engineering theories such as ISO 25010. This study aimed to move the measure from a business perspective to other perspectives. This study investigated NIAS-Mukalla student satisfaction based on security, management support, computer anxiety and usefulness. All these independent variables found to be positively and significantly affected the satisfaction of the users. NIAS-Mukalla students were satisfied with the web-based systems
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