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Recent Submissions
Item type: Item , Access status: Open Access , An Integrated Approach to Perform Structural Analysis of Masonry Buildings via Computer Vision and DEM(Carleton University, 2026-06-01) Farcasiu, Andrei AlexandruThis thesis presents an innovative data-driven computational modelling approach to streamline and integrate recent developments in computer vision and parametric modelling frameworks into structural analysis of unreinforced masonry (URM) buildings. The discrete element method (DEM) is leveraged to perform nonlinear structural analysis of discrete block media, where the mechanical interaction between blocks is simulated using cohesive frictional contact models. Automated generation of discrete block geometric twins via direct replication and evidence-based statistical block generation algorithms is achieved through the digitization of masonry façades, via convolutional neural networks (CNNs) optimized using hyperparameter tuning and data augmentation techniques. Moreover, this study presents a new framework for integrating pre-existing cracks into discrete-block computational models. Upon validation of the DEM-based modelling strategy, it is applied to the analysis of three historic masonry buildings in Eastern Ontario. The successes and limitations of the chosen methodologies, along with opportunities for improvement through future research, are also discussed.Item type: Item , Access status: Open Access , Transgender Experience: Grasping One’s Identity with Others(Carleton University, 2026) Izaquita, FabianThis research paper tries to argue two things: 1) people have their own and unique identity and a way of getting to know that identity is moving away from imitation to, instead, research through one’s own experiences and possibilities. However, 2) no one lives in solitude, performing such research without interacting with others is impossible because people live and research inside communities; admittedly, a community can either help or harm the research. This paper is, consequently, divided into two parts. I will start by presenting some foundational arguments. Then I will review why people move away from interpretations given in childhood to embrace identity research. Every research has to do with the consideration of possibilities; therefore, I will explore possibilities that serve as guides for the research. The first part of this paper finishes with a summary of the functioning of the research alongside some implications. The next step is to consider the places in which every research is conducted: communities. It must be explained why people make communities in order to understand how they can help or harm the research that people are performing. This explanation shows a danger: communities have responsibilities, when a community fails at its responsibilities harm is inflicted on every member. The easiest way to review this harm is by looking at society, since it is the biggest community. The harm communities can inflict on its members is set in motion by hermeneutical injustices. Therefore, the origin of hermeneutical injustices must be clarified, and a solution for them must be proposed.Item type: Item , Access status: Open Access , Assurer l’autonomie : évaluer les activités de la vie quotidienne (AVQ) afin de définir des normes de sécurité pour l’environnement bâti. Rapport final de recherche.(l’Institut de l’accessibilité de l’Université Carleton, 2026-03-31) Laska, Brady; Goubran, Rafik; Vukovic, Boris; Wallace, Bruce; Ault, Laura; Laghai, AmirItem type: Item , Access status: Open Access , Enabling Independence: Assessing Activities of Daily Living to Inform Safety Standards for Built Environments. Final Research Report.(Accessibility Institute, Carleton University, 2026-03-31) Laska, Brady; Goubran, Rafik; Vukovic, Boris; Wallace, Bruce; Ault, Laura; Laghai, AmirItem type: Item , Access status: Open Access , Abrupt stream acidification and metal mobilization from permafrost degradation(American Association for the Advancement of Science, 2026-05-21) Skierszkan, Elliott K.; Szeitz, Andras J.; Lindsay, Matthew B.J.; Carey, Sean K.Stream chemistry and ecosystem function are being transformed by abrupt climate-driven acceleration of 15 sulfide-mineral oxidation in permafrost-underlain headwater catchments of the Yukon and Mackenzie river basins—the two largest (sub)Arctic rivers in North America. Over the past decade, dozens of acidic (pH ~3) seepages have emerged in these headwaters, causing vegetation dieback and mobilizing metals at acutely toxic concentrations in receiving streams. Acid generated during sulfide-mineral oxidation also accelerates CO2 emissions by driving carbonate-mineral dissolution. Major downstream sub(Arctic) rivers show significant multi-decadal sulfate concentration increases, yet their metals concentrations remain stable because of attenuation and dilution processes. Headwater stream acidification signals a major perturbation in metal, carbon, and sulfur cycling linked to permafrost thaw with far-reaching consequences for water resources, northern communities, ecosystem health, and Earth’s biogeochemical future.
