This page provides access to research works by Dr. Rakhmad Arief Siregar, currently a Lecturer of School of Mechatronic Engineering, Universiti Malaysia Perlis (UniMAP).

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Skills and Expertise: Impact Mechanics

Recent Submissions

  • Comparison on the rigid and flexible model of attitude maneuvering of a simple multi-body satellite 

    Teoh, Vil Cherd; Shahriman, Abu Bakar; Norhizam, Hamzah; Sazali, Yaacob; Ruslizam, Daud; Rakhmad Arief, Siregar (Institute of Engineering Mathematics, Universiti Malaysia Perlis, 2014)
    Rigid body assumption of a satellite model has been a common practice in spacecraft attitude manoeuvring. However, with the increasing demand for greater functionality of space activities, requires bigger and wider solar ...
  • Stress concentration factors of various adjacent holes configurations in a spherical pressure vessel 

    Khairul, Fuad; Rakhmad Arief, Siregar, Dr.; Rangkuti, Ch.; Ariwahjoedi, B.; M, Firdaus (Engineers Australia, 2007-12)
    The analysis of stress concentration factor (SCF) of adjacent holes in a spherical pressure vessel can be approached by considering a thin plate undergoing hydrostatic stresses. This work adopts the approach to investigate ...
  • Partial discharge measurement and vibration monitoring on power transformer case study on power transformer with high level noise (75.22 dB) 

    Solin, I. K.; Yolanda, O.; Rakhmad Arief, Siregar, Dr. (AIP Publishing, 2009-07)
    This paper is a study and share information of partial discharge measurement and vibration monitoring on power transformer. Power transformer is one of the critical components in power plant and transmission power system. ...
  • Dynamic splitting-tensile test and numerical analysis for brittle materials 

    Rakhmad Arief, Siregar, Dr.; Daimaruya, Masashi; Khairul, Fuad (AIP Publishing, 2007)
    This paper is concerned with the dynamic splitting-tensile test for brittle materials. An experiment on the dynamic splitting-tension has been performed on cylindrical concrete specimens by utilizing a Split Hopkinson ...
  • Effect of blockage size on pipe vibration 

    Nur Liyana, Tajul Lile; Rakhmad Arief, Siregar; M.J., Hasnul; J.C., Leong (Scientific.Net, 2012-12)
    Circular pipes are widely used to convey goods to a desired location. Flow inside a pipe needs to be smoothed and unobstructed to ensure an optimize flow of particle. However, pipes are prone to clogging or blocking due ...
  • Dynamic model and simulation on attitude menoeuvring of flexible satellite 

    Teoh, Vil Cherd; Sazali, Yaacob, Prof. Dr.; Shahriman, Abu Bakar, Dr.; Rakhmad Arief, Siregar, Dr. (Universiti Malaysia Perlis (UniMAP), 2012-06-18)
    Flexibility has gained much interest in satellite design in recent years due to its capability to accommodate much for functionality with minimum trade-off. A flexible satellite is satellite that consists of many movable ...
  • Study of light vehicle side impact crash simulation test 

    Raja Sharmi, Raja Husin; Rakhmad Arief, Siregar; Khairul, Salleh (Universiti Malaysia Perlis (UniMAP)Centre for Graduate Studies, 2010-10-16)
    Crashworthiness is the ability of a structure to protect its occupants during an impact. This is commonly tested when investigating the safety of vehicles. In this study, side impact test finite element models ...
  • Validation test for development of six months old numerical child dummy model 

    Mohamad Sulaiman, Ibrahim; Rakhmad Arief, Siregar; Abdul Hamid, Adom, Dr.; Shah Fener Khan (Universiti Malaysia Perlis (UniMAP)Centre for Graduate Studies, 2010-10-16)
    This paper presents the validation tests conducted for a development of a six months old numerical child dummy model. The model was developed using flexible component for all the parts going through the validation test and ...
  • Geometrical effect on the behavior of circular and elliptic tubes under dynamic axial loading 

    Fauziah, Mat; Rakhmad Arief, Siregar, Dr.; Khairul Azwan, Ismail, Dr.; Sazali, Yaacob, Prof. Dr.; Othman, Inayatullah, Capt (Rtd) Dr. (Universiti Malaysia Perlis (UniMAP)Pusat Pengajian Kejuruteraan Mekatronik, 2012-02-27)
    A numerical investigation of circular and elliptic tubes is performed under dynamic axial loading using non- linear finite element code LS DYNA. The material of the tubes is treated as piecewise linear ...
  • The classification of material mechanical properties using non-destructive vibration technique 

    Intan Maisarah, Abd Rahim; Fauziah, Mat; Sazali, Yaacob, Prof. Dr.; Rakhmad, Arief Siregar (Institute of Electrical and Electronics Engineers (IEEE), 2011-03-04)
    This study is to develop a system of a non-destructive testing on the material to define the mechanical properties of material. The study focused on experimental and testing of the material mechanical properties using ...
  • Classifying material type and mechanical properties using artificial neural network 

    Intan Maisarah, Abd Rahim; Fauziah, Mat; Sazali, Yaacob, Prof. Dr.; Rakhmad Arief, Siregar (Institute of Electrical and Electronics Engineers (IEEE), 2011-03-04)
    This paper focused on experimental data and study for the testing of the material mechanical properties using vibration technique. By applying vibration analysis and testing on the material, we could determine the natural ...
  • Numerical analysis of dummy neck for crashworthiness assessment 

    Mohamad Sulaiman, Ibrahim; Rakhmad Arief, Siregar, Dr.; Abdul Hamid, Adom, Assoc. Prof. Dr.; Khan, Shah Fener; Hafizawati, Zakaria (Universiti Malaysia Pahang (UMP), 2009-06-20)
    This paper presents an analysis of numerical child dummy neck and neck injury analysis of the numerical child dummy neck. The neck model is developed using flexible component and rigid body. As for the geometries of ...
  • Development of intelligent portable electronic nose 

    Abu Hassan, Abdullah; Abdul Hamid, Adom; Ali Yeon, Md Shakaff; Mohd Noor, Ahmad; A., Zakaria; Marni Azira, Markom; E.S., Tan; N.A., Fikri; Rakhmad Arief, Siregar; Mahamad Akmal, Saad (Universiti Malaysia Perlis, 2009-10-11)
    An electronic nose is a device that is able to perform electronic olfactory as a substitute to human experts. It is able to overcome the disadvantages of using human, such as fatigue and inconsistencies, as well as to ...
  • Artificial neural network for the classification of steel hollow pipe 

    Nur Farahiyah, Mohamad; Hafizawati, Zakaria; Rakhmad Arief, Siregar; Hariharan, M.; Fauziah, Mat (Universiti Malaysia Perlis, 2009-10-11)
    Within industry, piping is a very important system that used to convey fluid (liquid and gases) from one location to another. Steel pipe is one of the commonly type of pipe that has been used since before. Crack on pipe ...
  • The effect of high loading rate to tensile strength for mild steel by using Hopkinson Bar technique 

    Mohd Shahiddin, Suhadi; Rakhmad Arief, Siregar; Shah Fenner Khan; Ahmad Yusri; Abd Hamid, Adom (Universiti Malaysia Perlis, 2009-10-11)
    This paper presents the effect of high strain rate loading to tensile strength for mild steel by using Hopkinson bar technique. The behavior of material at high strain rates is important for application such as structural ...
  • The effect of ASI (Acceleration Severity Index) to different crash velocities 

    Rahmad P, Nasution; Rakhmad Arief, Siregar; Khairul, Fuad; Abdul Hamid, Adom (Universiti Malaysia Perlis, 2009-10-11)
    Vehicle crash can causes severe injuries to the occupant of the vehicle. These injuries can be measured. The injury measurement is intended to insure minimum safety levels in severe crashes. There are several types of ...
  • Development of Numerical Child Dummy model and the analysis of head impact criterion 

    Mohamad Sulaiman, Ibrahim; Rakhmad Arief, Siregar; Abdul Hamid, Adom; Shah Fener Khan; Hafizawati, Zakaria (Universiti Malaysia Perlis, 2009-10-11)
    This paper presents a development of numerical child dummy model and head impact criterion analysis of the numerical child dummy model. The model was developed using flexible component for crucial parts such as neck and ...