Now showing items 49-68 of 74

    • Optimisation of acoustical comfort in vehicle cabin using goal programming 

      Zulkifli, Mohd Nopiah, Prof. Madya Dr.; Ahmad Kadri, Junoh; Ahmad Kamal Ariffin, Mohd. Ihsan, Prof. Dr. (Inderscience Enterprises Ltd., 2013)
      Car cabin acoustical comfort is one of the main features that may attract customers to purchase a new vehicle. The noise in a passenger car cabin is closely related to the vibration generated in the vehicle system. In this ...
    • Physical characterization of BST with different (x') ratios 

      Nurhafizah, Ramli; Zaliman, Sauli, Dr.; Retnasamy, Vithyacharan; They, Yee Chin; Khairul Anwar, Mohamad Khazali; Nooraihan, Abdullah (Trans Tech Publications, 2014)
      Nowdays Barium strontium titanate (BST) can be applied into many fields of engineering. Its properties attracted more researchers to research and apply it into many fields of study. In this work, sol-gel method of preparing ...
    • Projection of postgraduate students flow with a smoothing matrix transition diagram of Markov chain 

      Rahela, Abdul Rahim, Dr.; Haslinda, Ibrahim, Prof. Madya Dr.; Farah Adibah, Adnan (AIP Publishing LLC, 2013)
      This paper presents a case study of modeling postgraduate students flow at the College of Art and Sciences, Universiti Utara Malaysia. First, full time postgraduate students and the semester they were in are identified. ...
    • Quartic B-spline and two-step hybrid method applied to boundary value problem 

      Shazalina, Mat Zin; Ahmad, Abdul Majid; Ahmad Izani, Md Ismail, Prof. Dr. (AIP Publishing LLC, 2013)
      Boundary value problem of second order ordinary differential equation (ODE) has been identified as a problem. However, this work will focus on solving a special case of second order ODE. Special case of second order ODE ...
    • Reductions and new exact solutions of the density-dependent Nagumo and Fisher equations 

      Masemola, P.; Abdul Hamid, Kara, Prof. Dr.; Kamran, Fakhar (Springer Science+Business Media Dordrecht., 2013-10)
      We show that conservation laws and their corresponding multipliers can be used to reformulate systems of partial differential equations and obtain some new classes of solutions. By applying the generalized double-reduction ...
    • Similarity solutions and conservation laws for rotating flows of an Oldroyd-B fluid 

      Kamran, Fakhar; Kara, Abdulhamid; Morris, Richard; T., Hayat (Indian Association for the Cultivation of Science, 2013-10)
      In this paper, similarity reduction arising from classical Lie point symmetries of unsteady hydromagnetic flows of a rotating Oldroyd-B fluid under influence of Hall currents is carried out. By employing different combinations ...
    • Simulating evacuations with obstacles using a modified dynamic cellular automata model 

      Lim, Eng Aik; Tan, Wee Choon (Hindawi Publishing Corporation, 2012)
      A modified dynamic cellular automata model is proposed to simulate the evacuation of occupants from a room with obstacles. The model takes into account some factors that play an important role in an evacuation process, ...
    • Solving delay differential equations using modified 2-point block method 

      Nurul Huda, Abdul Aziz; Zanariah, Abdul Majid (AIP Publishing LLC, 2013)
      The performance of a modified 2-point block method for solving delay differential equations (DDE) has been investigated. The proposed method computes the numerical solution at two points simultaneously and produces two new ...
    • Solving fuzzy fractional differential equations using Zadeh's extension principle 

      Muhammad Zaini, Ahmad, Dr.; Mohammad Khatim, Hasan, Assoc. Prof. Dr.; Saeid, Abbasbandy, Dr. (Hindawi Publishing Corporation, 2013)
      We study a fuzzy fractional differential equation (FFDE) and present its solution using Zadeh's extension principle. The proposed study extends the case of fuzzy differential equations of integer order. We also propose a ...
    • Solving standard traveling salesman problem and multiple traveling salesman problem by using branch-and-bound 

      Shakila, Saad; Wan Nurhadani, Wan Jaafar; Siti Jasmida, Jamil (AIP Publishing LLC, 2013)
      The standard Traveling Salesman Problem (TSP) is the classical Traveling Salesman Problem (TSP) while Multiple Traveling Salesman Problem (MTSP) is an extension of TSP when more than one salesman is involved. The objective ...
    • Some fuzzy techniques for staff selection process: A survey 

      R., Md. Saad; Muhammad Zaini, Ahmad, Dr.; Mohd Syafarudy, Abu; Muhammad Shahar, Jusoh, Dr. (AIP Publishing LLC, 2013)
      With high level of business competition, it is vital to have flexible staff that are able to adapt themselves with work circumstances. However, staff selection process is not an easy task to be solved, even when it is ...
    • Staff selection problem under uncertainty condition 

      R., Md. Saad; Muhammad Zaini, Ahmad, Dr.; Muhammad Shahar, Jusoh, Dr.; Mohd Syafarudy, Abu (Medwell Journals, 2013)
      Hiring the right person for the right position is the core to the success of an organisation. Some organizations have suggested to create an ideal candidate that fulfilled all requirements which needed for a particular ...
    • Stagnation-point flow toward a stretching/shrinking sheet in a nanofluid containing both nanoparticles and gyrotactic microorganisms 

      Wan Mohd Khairy Adly Wan Zaimi; Anuar, Ishak; Pop, Ioan (ASME, 2014-04)
      The stagnation-point flow and heat transfer toward a stretching/shrinking sheet in a nanofluid containing gyrotactic microorganisms with suction are investigated. Using a similarity transformation, the nonlinear system of ...
    • Stretching surface in rotating viscoelastic fluid 

      Wan Mohd Khairy Adly, Wan Zaimi; Anuar, Mohd Ishak, Prof. Dr.; Pop, Ioan Aurel (Shanghai University and Springer-Verlag Berlin Heidelberg, 2013-08)
      The boundary layer flow over a stretching surface in a rotating viscoelastic fluid is considered. By applying a similarity transformation, the governing partial differential equations are converted into a system of nonlinear ...
    • The study of gravity gradient effect on attitude of low earth orbit satellite 

      Nor Hazadura, Hamzah; Sazali, Yaacob, Prof. Dr.; Hariharan, Muthusamy, Dr.; Norhizam, Hamzah; Najah, Ghazali (AIP Publishing LLC, 2013)
      Simulations and mathematical models are increasingly used to assist the process of decision making in engineering design. The objective of this paper is to simulate the linear attitude dynamics of small satellites under ...
    • The study of particle filter for satellite angular rate estimation without rate sensor measurement 

      Nor Hazadura, Hamzah; Sazali, Yaacob; Ahmad Kadri, Junoh; Mohd Zamri, Hasan (EDP Sciences, 2018)
      This paper studies particle filter algorithm to estimate the angular rate of a satellite without the rate sensor measurements. In this work, the performance of the algorithm is studied in terms of capability to estimate ...
    • Surface roughness and wettability correlation on etched platinum using reactive ion ecthing 

      Zaliman, Sauli, Dr.; Retnasamy, Vithyacharan; Aaron, Koay Terr Yeow; Goh, Siew Chui; Khairul Anwar, Mohamad Khazali; Nooraihan, Abdullah (Trans Tech Publications, 2014-01)
      As the world of semiconductor is moving towards smaller and high-end applications, the quality of the bonding adhesion for wire bonding is very critical. Although aluminium has been the metallization of choice in integrated ...
    • Surface roughness scrutinizaton with RIE CF₄+Argon gaseous on platinum deposited wafer 

      Zaliman, Sauli, Dr.; Retnasamy, Vithyacharan; Aaron, Koay Terr Yeow; Siew Chui, Goh; Khairul Anwar, Mohamad Khazali; Nooraihan, Abdullah (Trans Tech Publications, 2014)
      Aluminium metallization has a disadvantage when it comes to high-end applications as it cannot withstand the high temperature and pressure. This paper studies the factors that affect the surface roughness on a Platinum ...
    • Symmetry energy of nuclear matter at low densities and clustering at the nuclear surface 

      Zaliman, Sauli, Dr.; Nooraihan, Abdullah; Khairul Anwar, Mohamad Khazali; Qamar Nasir, Usmani, Prof. Dr. (IOP Publishing Ltd, 2012)
      We present a density functional theory which connects nuclear matter equation of state, which incorporates clustering at low densities, with clustering in medium and heavy nuclei at the nuclear surface. This explains the ...
    • Thermal diffusion and diffusion thermo effects on MHD thermosolutal Marangoni convection boundary layer flow over a permeable surface 

      Rohana, Abdul Hamid; Wan Mohd Khairy Adli, Wan Zaimi; Norihan, Md Arifin, Dr.; Nor Ashikin, Abu Bakar; Biliana, Bidin (Hindawi Publishing Corporation, 2012)
      The problem of thermal diffusion and diffusion thermo effects on thermosolutal Marangoni convection flow of an electrically conducting fluid over a permeable surface is investigated. Using appropriate similarity transformations, ...