• On the Convergence of the Collatz Conjecture Sequence 

  Saab, Samer S. (2024-04-05)

  The Collatz conjecture, also known as the 3n + 1 problem, is a famous unsolved problem in mathematics. This work converts the conjecture dynamics into its corresponding difference equation. To determine the boundedness of ...
• Numerical Investigation of the Use of Flexible Blade for Vertical Axis Wind Turbine 

  Hijazi, Ahmad (Lebanese American University, 2023-07-10)

  This study proposes a novel vertical axis wind turbine (VAWT) design with flexible blades aiming to improve their energy extraction capability. The blade deformation is achieved using Ansys Fluent dynamic mesh and user-defined ...
• Enhanced steady-state simulation of nonlinear integrated microelectronic devices and circuits 

  Chamoun, Chadi (2022-12-09)

  With the rapid advancement of electronic and microelectronic technologies, it has become crucial to efficiently characterize and simulate semiconductor devices and systems under various operating conditions. These circuits ...
• Assessing slope stability and landslide risk using satellite imagery in Islahiye, Turkey 

  Chrabieh, Karim (2023-07-27)

  Landslides are a natural hazard that can cause severe damage to property and infrastructure. Satellite imagery is a valuable tool for monitoring and evaluating landslide risk because it can provide a comprehensive view of ...
• Seismic Performance of Slender Concrete Shear Walls with and without Carbon Fiber Reinforced Polymers Laminates 

  Youssef, Joanna (Lebanese American University, 2023-01-24)

  Shear walls are the main lateral-load-resisting system in reinforced concrete buildings. This study examines the seismic performance of slender, under-reinforced shear walls, and proposes retrofit guidelines to enhance the ...
• Stability Retrofit of Concrete Shear Walls Using Carbon Fiber Reinforced Polymers 

  Al Sayegh, Houssam (Lebanese American University, 2023-01-24)

  Shear walls are key structural elements when it comes to resisting lateral loads in reinforced concrete buildings. Thus, they are exposed to extensive loading during earthquakes. Shear walls designed according to modern ...
• UAV-based powerline inspection 

  Daou, Christy; Othman, Jana; Bedran, Ryan Sam; El Fata, Jad (2022-05-17)

  Powerline inspections have always been a challenge due to its cost and safety issues. As a result, it has been crucial to create new methods/mechanisms for inspecting the powerlines. Moreover, existing solutions typically ...
• A modified hybrid multi-objective GA and LSF algorithm for optimal siting and sizing of PV-based distributed generation in distribution networks considering different types of loads 

  Korkmaz, Jessica (2022-11-25)

  Many methodologies have been developed for the problem of optimal siting and sizing of photovoltaic (PV) distributed generation in distribution networks. However, clear solar potential assessment and variability of load ...
• Image-Based material property estimation 

  Kurieh, Anthony Aziz (2022-12-11)

  In this paper, we introduce the Robot Quadruped Materials Dataset (RQMD), which is a collection of RGB color images as well as a friction coefficient associated with each image for 5 different material types taken in ...
• Comparative Environmental and Economic Assessment of the Zahle Wastewater Treatment Plant in Lebanon under Different Scenarios 

  Ghosn, Michelle Leba (Lebanese American University, 2022-09-27)

  Assessing the environmental impacts of wastewater treatment plants (WWTPs) is a growing concern that needs to be addressed. Although several studies have been published on the environmental performance of WWTPs, few have ...
• Finite Element Modelling and Optimization of Rotary Friction Welding Parameters of High-Density Polyethylene Pipes (HDPE) 

  Gerges, Zeina (Lebanese American University, 2022-12-16)

  Rotary friction welding (RFW) is a highly efficient and sustainable process for joining both metals and plastics. The welding process parameters of RFW must be carefully selected to ensure a good quality weld with minimum ...
• 3D Printing of IPMC Actuators Based on the Direct Assembly Method 

  Sarkis, Serge (Lebanese American University, 2022-12-15)

  Ionic polymer metal composites are a type of electroactive polymers, they are composed of an ionomer membrane sandwiched between two conducting high surface area electrodes. They act as an actuator under the application ...
• A Robust Deep Learning Approach for Distribution System State Estimation with Distributed Generation 

  Kfouri, Ronald (Lebanese American University, 2023-01-09)

  Distribution System State Estimation (DSSE) remains a challenging problem due to the nature of distribution grids. Conventional methods, which are used to solve state estimation on the transmission level, require the grid ...
• Batch Anaerobic Co-digestion of Agro-industrial Wastewater Produced in the Upper Litani Basin Lebanon 

  Hashem, Reem (2022-12-20)

  The Litani River in Lebanon is subjected to many pollution sources originating from the agro-industries including dairy farms and slaughterhouses. This pollution is leading to a severe degradation in water quality. The aim ...
• Investigating the Fate of Tetracycline in an Anaerobic Membrane Bioreactor and Its Effects on Antibiotic Resistance Gene Proliferation from Different Membrane Types 

  Zeeb, Reem (Lebanese American University, 2022-12-20)

  As the concern of fresh and clean water scarcity is raised worldwide, the necessity of water reuse stands out. In this sense, the AnMBR, an advanced wastewater treatment technology combining the advantages of the MBR and ...
• Enhancement of The Start-up of an Up-flow Anaerobic Sludge Blanket Reactor Using Electrochemically Enriched Biofilms 

  Abdallah, Mohamad (Lebanese American University, 2022-12-20)

  With rising issue of wastewater discharge and resulting pollution, anaerobic wastewater treatment has emerged as a prominent technology to overcome these issues. A myriad of anaerobic treatment techniques has demonstrated ...
• Nano-based drilling fluids 

  Vryzas, Zisis; Kelessidis, Vassilios C. (2023-02-01)

  Nanomaterials are engineered materials with at least one dimension in the range of 1–100 nm. Nanofluids—nanoscale colloidal suspensions containing various nanomaterials—have distinctive properties and offer unprecedented ...
• Effect of temperature on the rheological properties of neat aqueous Wyoming sodium bentonite dispersions 

  Vryzas, Zisis; Kelessidis, Vassilios C.; Nalbantian, Lori; Zaspalis, Vassilis; Gerogiorgis, Dimitrios I.; Wubulikasimu, Yiming (2023-02-01)

  Temperature affects significantly the rheological behavior of neat water Wyoming Na-bentonite dispersions. The results of a very systematic study are presented regarding rheological measurements of 7% mass concentration ...
• Development and Testing of Novel Drilling Fluids Using Fe2O3 and SiO2 Nanoparticles for Enhanced Drilling Operations 

  Vryzas, Zisis; Mahmoud, Omar; Nasr-El-Din, Hisham A.; Kelessidis, Vassilios C. (International Petroleum Technology Conference, 2023-01-27)

  Access to deeper oil and gas reservoirs in hostile environments necessitates improvement of existing drilling fluids. This work focuses on the lab techniques for developing, assessing and analyzing innovative water-based ...
• Kinetics and adsorption of metolachlor and atrazineand the conversion products (deethylatrazine,deisopropylatrazine, hydroxyatrazine) in the soilprofile of a river basin 

  Vryzas, Z.; Papadopoulou-Mourkidou, E.; Soulios, G.; Prodromou, K. (2023-01-27)

  The adsorption kinetics and adsorption parameters of metolachlor, atrazine, deethylatrazine (DEA), deisopropylatrazine (DIA) and hydroxyatrazine (HA) were investigated in a soil profile in a maize field formed from recent ...

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