Browsing by Author "Dananjaya, L"

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    Diagnostic intervention for mental disorder
    (Faculty of Information Technology, University of Moratuwa., 2021-12) Senanayake, S; Karunanayaka, C; Dananjaya, L; Chamodya, L; Kumari, S; Chandrasiri, S; Ganegoda, GU; Mahadewa, KT
    Mental health is one of the essential factors in the topic of healthcare and wellbeing. However, mental health disorders could cause severe damage, even loss of life to the person or the surroundings, if mental health disorders were not identified and appropriately cured. Unfortunately, though there is good help there, some people have a hard time detecting whether they are suffering from mental health disorders or not. In this study, the team proposes a system to detect mental health issues using facial emotion recognition (FER), sleeping patterns, social media web scraping, and heart rate. The intention is to give an accurate prediction of the mental health status of a person using these three nodes.
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    Stability analysis of slopes in Aruwakkalu limestone mine during rain: a finite element approach
    (IEEE, 2020-07) Thirukumaran, A; Dananjaya, L; Dilshan, T; Dassanayake, A; Jayawardena, C; Wickrama, M; Fujii, Y; Boeut, S; Weeraddana, C; Edussooriya, CUS; Abeysooriya, RP
    Water in the forms of rain, snowmelt and groundwater is identified to be the major factor influencing the reduction of the stability of the slopes. The increasing trend of annual rainfall has been a major challenge to meet the production requirement in Aruwakkalu limestone mine. The stability of the slopes in active quarry area of the mine under various rainfall intensities is studied in this paper. The slopes are modelled numerically by finite element method and subjected to analysis under strength reduction method semi coupled with transient seepage analysis. The results are expressed in terms of variations in factor of safety, pore water pressure and displacement with different rainfall intensities. Based on the results an economical bench design is recommended to be used when opening a new pit area.