PrefaceChapter 1: Strength of Materials and TribologyViscoelastic Adhesion and Friction in Sliding ContactsOn Stress-Strain Fields near Mode i Ductile Crack Tip in Elastic-Plastic FractureEffect of In-Plane Stress on the Frictional Behavior of Thin LayersChapter 2: Modelling of Structurally Inhomogeneous MaterialsSimulation Modeling of an Inhomogeneous Medium, in Particular: Round, Triangular, Square ShapesComputer Simulation Modeling of an Inhomogeneous Medium with Ellipse-Shaped Irregular ElementsComputer Modeling of Inhomogeneous Media Using the Abaqus Software PackageDevelopment of a 3D Computer Simulation Model Using C++ MethodsChapter 3: Surface Modification TechnologiesHierarchical Structure of SiO2 by In Situ Modification Combining Quartz Sand and MethyltrimethoxysilaneThe Effect of Silica Powder Based on Methyltrimethoxysilane and Silica Sand as a Hydrophobic MaterialChapter 4: Low Dimensional Quantum StructuresDiamagnetic Susceptibility of a Hemi-Cylindrical Quantum Dot in the Presence of an Off-Center Donor AtomTheoretical Study of Hydrostatic Pressure and Temperature Effect on a Multi-Quantum well ZnO/Zn1-XMgxO Containing a Staircase Defect for Sensing ApplicationUnbound Excitonic Properties in a Multilayered Quantum Dot under Hydrostatic Pressure and TemperatureChapter 5: Materials and Technologies for Sun Irradiation UsageSynthesization and Photocatalytic Activity Evaluation of Float-Type g-C3N4 MicrotubesEnhanced Visible Light Photocatalytic Activity of g-C3N4/SiO2@TiO2 Heterojunction Fabricated by Hydrothermal SynthesisNew Concept of Power Generation from TEGs Using the Sun Irradiation and Oil Tanks – Thermal Modeling and Parametric StudyChapter 6: Defect IdentificationSlag and Porosity Defective Region Identification in Welding Images Using Computer Vision TechniquesVisual and IR Inspection Analysis of PV Modules Installed at the Desert Climate of Qatar