السجلات المعروضة 541 -- 560 من 3651

    • The explicit eigenvalues and eigenfunctions of the generalized neumann kernel in annular domains 

      Nasser, M. M.S. ( Universiti Putra Malaysia , 2019 , Article)
      This paper presents the explicit forms of the eigenvalues of the general-ized Neumann kernel in annular domains and the explicit forms of the corresponding eigenfunctions. It follows from these explicit forms that, except ...
    • PlgCirMap: A MATLAB toolbox for computing conformal mappings from polygonal multiply connected domains onto circular domains 

      Mohamed M.S., Nasser ( Elsevier , 2020 , Article)
      This paper presents a MATLAB toolbox for computing the conformal mapping from a given polygonal multiply connected domain onto a circular multiply connected domain and its inverse. The toolbox can be used for multiply ...
    • Application of integral equations to simulating local fields in carbon nanotube reinforced composites 

      Mohamed M.S., Nasser; Kalmoun, El Mostafa ( Elsevier , 2020 , Book chapter)
      We consider the steady heat conduction problem within a thermal isotropic and homogeneous square ring composite reinforced by nonoverlapping and randomly distributed carbon nanotubes (CNTs). We treat the CNTs as rigid line ...
    • Microalgae: A potential bioagent for treatment of emerging contaminants from domestic wastewater 

      Sanjeet, Mehariya; Das, Probir; Thaher, Mahmoud Ibrahim; Abdul Quadir, Mohammed; Khan, Shoyeb; ... more authors ( Elsevier , 2024 , Article)
      Water crisis around the world leads to a growing interest in emerging contaminants (ECs) that can affect human health and the environment. Research showed that thousands of compounds from domestic consumers, such as endocrine ...
    • The Potential of Marine Microalgae for the Production of Food, Feed, and Fuel (3F) 

      Mahata, Chandan; Das, Probir; Khan, Shoyeb; Thaher, Mahmoud I.A.; Abdul Quadir, Mohammed; ... more authors ( Multidisciplinary Digital Publishing Institute (MDPI) , 2022 , Article)
      Whole-cell microalgae biomass and their specific metabolites are excellent sources of renewable and alternative feedstock for various products. In most cases, the content and quality of whole-cell biomass or specific ...
    • The motion of a point vortex in multiply-connected polygonal domains 

      Kalmoun, El Mostafa; Nasser, Mohamed M.S.; Hazaa, Khalifa A. ( Multidisciplinary Digital Publishing Institute (MDPI) , 2020 , Article)
      We study the motion of a single point vortex in simply-and multiply-connected polygonal domains. In the case of multiply-connected domains, the polygonal obstacles can be viewed as the cross-sections of 3D polygonal ...
    • Conformal capacity and polycircular domains 

      Harri, Hakula; Nasser, Mohamed M.S.; Vuorinen, Matti ( Elsevier , 2023 , Article)
      We study numerical conformal mapping of multiply connected planar domains with boundaries consisting of unions of finitely many circular arcs, so called polycircular domains. We compute the conformal capacities of condensers ...
    • Level sets of potential functions bisecting unbounded quadrilaterals 

      Nasser, Mohamed M.S.; Nasyrov, Semen; Vuorinen, Matti ( Springer Nature , 2022 , Article)
      We study the mixed Dirichlet–Neumann problem for the Laplace equation in the complement of a bounded convex polygonal quadrilateral in the extended complex plane. The Dirichlet / Neumann conditions at opposite pairs of ...
    • Smartphone-based Vehicle Telematics for Naturalistic Driving Studies 

      Tarlochan, Faris; Dun, Susan; Mohammed, Semira Omer; Kharbeche, Mohamed; Soliman, Abdrabo; ... more authors ( Institute of Electrical and Electronics Engineers Inc. , 2022 , Conference)
      Motor vehicle collisions (MVCs) are the eighth leading cause of death worldwide. Globally, there are 1.35 million deaths with 50 million injuries annually. It is important to understand and record how people drive and ...
    • New Simulation Model for Workload Analysis Addressing Occupational Stress in a Production Company 

      Abdelzaher, Abdulrahman A.; Kharbeche, Mohamed ( Elsevier , 2022 , Conference)
      In today's world, occupational stress is identified as a major health issue within most organizations. The reason the spotlight has been focused on occupational stress in recent years is that it can have a negative impact ...
    • Solving a Bus Routing Problem Arising in Doha 

      Aljundi, A.; Khatib, M.A.; Kharbeche, M.; Haouari, M. ( IEEE Computer Society , 2022 , Conference)
      The generic variant of the school bus routing problem requires finding a set of routes that cover a predefined set of student pickup locations in order to minimize travel time while satisfying various constraints. In this ...
    • Numerical computation of the capacity of generalized condensers 

      Mohamed M.S., Nasser; Vuorinen, Matti ( Elsevier , 2020 , Article)
      We present a boundary integral method for numerical computation of the capacity of generalized condensers. The presented method applies to a wide variety of generalized condenser geometry including the cases when the plates ...
    • Condenser capacity and hyperbolic perimeterImage 1 

      Mohamed M.S., Nasser; Rainio, Oona; Vuorinen, Matti ( Elsevier , 2021 , Article)
      We study the conformal capacity by using novel computational algorithms based on implementations of the fast multipole method, and analytic techniques. Especially, we apply domain functionals to study the capacities of ...
    • Conformal Invariants in Simply Connected Domains 

      Nasser, M.M.S.; Nasser, Mohamed M.S.; Vuorinen, Matti ( Springer Link , 2020 , Article)
      This paper studies the numerical computation of several conformal invariants of simply connected domains in the complex plane including, the hyperbolic distance, the reduced modulus, the harmonic measure, and the modulus ...
    • Condenser capacity and hyperbolic diameter 

      Mohamed M.S., Nasser; Rainio, Oona; Vuorinen, Matti ( Elsevier , 2021 , Article)
      Given a compact connected set E in the unit disk B2, we give a new upper bound for the conformal capacity of the condenser (B2,E) in terms of the hyperbolic diameter t of E. Moreover, for t>0, we construct a set of hyperbolic ...
    • Numerical computation of Mityuk's function and radius for circular/radial slit domains 

      El Mostafa, Kalmoun; Nasser, Mohamed M.S.; Vuorinen, Matti ( Elsevier , 2020 , Article)
      We consider Mityuk's function and radius which have been proposed in [15] as generalizations of the reduced modulus and conformal radius to the cases of multiply connected domains. We present a numerical method to compute ...
    • Polycircular domains, numerical conformal mappings, and moduli of quadrilaterals 

      Nasser, Mohamed; Rainio, Oona; Rasila, Antti; Vuorinen, Matti; Wallace, Terry; ... more authors ( Springer Nature , 2022 , Article)
      We study numerical conformal mappings of planar Jordan domains with boundaries consisting of finitely many circular arcs, also called polycircular domains, and compute the moduli of quadrilaterals for these domains. ...
    • Isoperimetric properties of condenser capacity 

      Mohamed M.S., Nasser; Vuorinen, Matti ( Elsevier , 2021 , Article)
      For compact subsets E of the unit disk D we study the capacity of the condenser (D,E) by means of set functionals defined in terms of hyperbolic geometry. In particular, we study experimentally the case of a hyperbolic ...
    • Computation of conformal invariants 

      Mohamed M.S., Nasser; Vuorinen, Matti ( Elsevier , 2020 , Article)
      We study numerical computation of conformal invariants of domains in the complex plane. In particular, we provide an algorithm for computing the conformal capacity of a condenser. The algorithm applies to a wide variety ...
    • Standing stocks and body size of deep-sea macrofauna: Predicting the baseline of 2010 Deepwater Horizon oil spill in the northern Gulf of Mexico 

      Wei, Chih-Lin; Rowe, Gilbert T.; Escobar-Briones, Elva; Nunnally, Clifton; Soliman, Yousria; ... more authors ( Elsevier , 2012 , Article)
      A composite database encompassing 6 benthic surveys from years 1983 to 2003 was constructed to evaluate the distribution of macrofaunal biomass in the deep Gulf of Mexico (GoM) prior to the Deepwater Horizon oil spill. ...