journal-of-advanced-research-in-applied-mechanicsISSN (Online)
: 2289-7895

Frequency : Monthly

Editor-in-Chief : Dr. Nor Azwadi Che Sidik (E-mail)
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Aims and Scope : The journal is concerned with high-level investigations of modern physical and mechanical problems and reports current progress in this field. The journal also encourages contributions from the newly emerging areas such as biomechanics, electromechanics, the mechanical behavior of advanced materials, nanomechanics, and many other inter-disciplinary research areas in which the concepts of applied mechanics are extensively applied and developed.

Recent Articles

Volume 46, No. 1 (June, 2018)

Experimental Evaluation of Crude Oil using Sawdust-Lignin Surfactant
Ali Ali Mohammed Alkaboos, Farhana Abdul Barri

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PUBLISHED ARTICLES

Volume 1 - Volume 5Volume 6 - Volume 10Volume 11 - Volume 15Volume 16 - Volume 20Volume 21 - Volume 25Volume 26 - Volume 30Volume 31 - Volume 35Volume 36 - Volume 40Volume 41 - Volume 45Volume 46 - Volume 50
Volume 47, No. 1 (July, 2018)
Mechanical Properties and Impact Resistance of Hybrid Kenaf and Coir Fibre Reinforced Concrete
Annis Nazirah Abdul Aziz, Roszilah Hamid
Page 1 – 10
AbstractConcrete is brittle and weak in tensile but strong in compressive strength. To improve concrete weakness, fibres are added as reinforcement. In this research, kenaf fibre was hybridized with coir fibre in order to achieve optimum mechanical properties and impact resistance of fibre reinforced concrete (FRC). Since, kenaf fibre has high tensile strength and water absorption but low in ductility while coir fibre possess the opposite, the hybridization of these two fibres could complement each other. Five mixes with different kenaf:coir fibre ratios (S1;100:0, S2;50:50, S3;60:40, S4;40:60,S5; 0:100) at 4% fibre content by concrete volume and fibre length of 3-5 cm were tested for their mechanical properties (compressive, split tensile and flexural strengths) and ultimate energy absorption (via drop-weight impact test). It has been observed that FRC containing 100% kenaf fibre (S1) and 100% coir fibre (S5) shows the increment in all mechanical properties and impact resistance compared to control. For hybrid fibres, samples with higher content of kenaf fibre, S3 shows the highest increase for all mixes in mechanical properties, the increments are 10.8%, 37%, and 9.8% for compressive, split tensile and flexural strengths, respectively, but for impact resistance, the increment is 66.7%. For samples with higher content of coir, S4, the increment in mechanical properties are lower than S3 (8.1%, 17.6% and 3.5% but the impact resistance is the highest at 8 number of blows and 339.03 Nm of ultimate energy absorption with an increment of 166.7% compared to all mixes. The results reveal that hybrid kenaf and coir FRC exhibit enhanced mechanical properties and impact resistance compared to single kenaf/coir FRC and if application where mechanical properties is in need, hybrid fibre mix S3 is suggested and for impact resistance application, hybrid S4 is proposed.
CiteMLA
Annis Nazirah, Abdul Aziz and Roszilah, Hamid. "Mechanical Properties and Impact Resistance of Hybrid Kenaf and Coir Fibre Reinforced Concrete." Journal of Advanced Research in Applied Mechanics 47.1 (2018): 1-10.
APA
Annis Nazirah, A. A., & Roszilah, H.,(2018). Mechanical Properties and Impact Resistance of Hybrid Kenaf and Coir Fibre Reinforced Concrete. Journal of Advanced Research in Applied Mechanics, 47(1), 1-10.
Chicago
Annis Nazirah Abdul Aziz and Roszilah Hamid."Mechanical Properties and Impact Resistance of Hybrid Kenaf and Coir Fibre Reinforced Concrete." Journal of Advanced Research in Applied Mechanics." 47, no. 1 (2018): 1-10.
Harvard
Annis Nazirah, A.A., and Roszilah, H.,2018. Mechanical Properties and Impact Resistance of Hybrid Kenaf and Coir Fibre Reinforced Concrete. Journal of Advanced Research in Applied Mechanics 47(1), pp. 1-10.
Vancouver
Annis Nazirah AA, Roszilah H. Mechanical Properties and Impact Resistance of Hybrid Kenaf and Coir Fibre Reinforced Concrete. Journal of Advanced Research in Applied Mechanics. 2018;47(1): 1-10.

The Effect of Drying Techniques on the Antioxidant Capacity, Flavonoids and Phenolic Content of Fermented Local Cocoa Bean
Hafiz Majid, Hadassah Alau Rining
Page 11 - 19

AbstractThe effect of drying techniques namely sun drying, freeze drying, and oven drying on the antioxidant capacity, total phenolic and flavonoid contents of 3 clones of fermented local cocoa bean (BR25, MCBC6, PA76) was determined. The highest cocoa bean extraction yield was found using freeze drying, followed by sun drying, and oven drying method. The highest total phenolic content was obtained from freeze drying of BR25 with value of 1380.86±4.21 mg GAE/g, and the lowest was found in oven drying of PA76 with total phenolic content of 672.95±1.35 mg GAE/g. For total flavonoid content, the highest value was found from freeze drying method of BR25 with value of 4536 ±10.37 mg QE/g and the lowest was in oven drying of PA76 with flavonoid content of 2639 ±7.07 mg QE/g. Lower IC50 value indicated a stronger antioxidant activity of extracts. Results obtained show the same trend where the lowest IC50 value was obtained in freeze dry followed by sun dry and oven dry method. The lowest IC50 value was found in for freeze drying techniques of PA76 with value of 4.70±0.37 mg/ml and the highest was found in oven drying of MCBC6 with IC50 value of 369.17±1.29 mg/ml. Freeze drying method was found to be the best method to preserve highest amount of total phenolic and flavonoid content.
CiteMLA
Hafiz, Majid, and Hadassah, Alau Rining. "The Effect of Drying Techniques on the Antioxidant Capacity, Flavonoids and Phenolic Content of Fermented Local Cocoa Bean." Journal of Advanced Research in Applied Mechanics 47.1 (2018): 11-19.
APA
Hafiz, M., & Hadassah, A. R.,(2018). The Effect of Drying Techniques on the Antioxidant Capacity, Flavonoids and Phenolic Content of Fermented Local Cocoa Bean. Journal of Advanced Research in Applied Mechanics, 47(1), 11-19.
Chicago
Hafiz Majid and Hadassah Alau Rining."The Effect of Drying Techniques on the Antioxidant Capacity, Flavonoids and Phenolic Content of Fermented Local Cocoa Bean." Journal of Advanced Research in Applied Mechanics." 47, no. 1 (2018): 11-19.
Harvard
Hafiz, M., and Hadassah, A.R.,2018. The Effect of Drying Techniques on the Antioxidant Capacity, Flavonoids and Phenolic Content of Fermented Local Cocoa Bean. Journal of Advanced Research in Applied Mechanics 47(1), pp. 11-19.
Vancouver
Hafiz M, Hadassah AR. The Effect of Drying Techniques on the Antioxidant Capacity, Flavonoids and Phenolic Content of Fermented Local Cocoa Bean. Journal of Advanced Research in Applied Mechanics. 2018;47(1): 11-19.

Volume 48, No. 1 (August, 2018)
Muscle Activation Pattern of Upper and Lower Back Muscles during Islamic Prayer (Salat)
Mohammad Fazle Rabbi, Nurul Wahidah Arshad, Kamarul H. Ghazali, Rohana Abdul Karim, Mohd Zamri Ibrahim, NU Ahamed, Tasriva Sikandar
Page 1 – 8
AbstractElectromyographic (EMG) activity of muscles can help us to assess the muscular functions during daily activity. In this paper we investigate two major muscles in upper and lower back during movements in Salat. Specifically, the dorsal side of human body has been assessed using EMG activation pattern and muscle co-contraction. Two upper and lower back muscles named as Trapezius and Erector Spinae muscles were investigated during four positions involved in Islamic prayer (Salat). Muscle activation pattern has been elucidated from raw EMG signal after a series of signal processing steps. Next, muscle co-contraction index was calculated from the pattern. Results show that, both muscles maintain a balance in terms of contraction and relaxation during bowing and prostration position of Salat. In addition, there is a clear co-contraction between upper and lower back muscles in two positions during the prayer. The finding of the study may help to develop rehabilitation program for the Muslim population suffering from back pain that restrain them to perform obligatory Salat.
CiteMLA
Mohammad Fazle, Rabbi., et al. "Muscle Activation Pattern of Upper and Lower Back Muscles during Islamic Prayer (Salat)." Journal of Advanced Research in Applied Mechanics 48.1 (2018): 1-8.
APA
Mohammad Fazle, R., Nurul Wahidah, A., Kamarul, H. G., Rohana, A. K., Mohd Zamri, I., Ahamed, N. U., & Tasriva, S.,(2018). Muscle Activation Pattern of Upper and Lower Back Muscles during Islamic Prayer (Salat). Journal of Advanced Research in Applied Mechanics, 48(1), 1-8.
Chicago
Mohammad Fazle Rabbi, Nurul Wahidah Arshad, Kamarul H. Ghazali, Rohana Abdul Karim, Mohd Zamri Ibrahim, NU Ahamed, and Tasriva Sikandar."Muscle Activation Pattern of Upper and Lower Back Muscles during Islamic Prayer (Salat)." Journal of Advanced Research in Applied Mechanics." 48, no. 1 (2018): 1-8.
Harvard
Mohammad Fazle, R., Nurul Wahidah, A., Kamarul, H.G., Rohana, A.K., Mohd Zamri, I., Ahamed, N.U., and Tasriva, S., 2018. Muscle Activation Pattern of Upper and Lower Back Muscles during Islamic Prayer (Salat). Journal of Advanced Research in Applied Mechanics 48(1), pp. 1-8.
Vancouver
Mohammad Fazle R, Nurul Wahidah A, Kamarul HG, Rohana AK, Mohd Zamri I, Ahamed NU, Tasriva S. Muscle Activation Pattern of Upper and Lower Back Muscles during Islamic Prayer (Salat). Journal of Advanced Research in Applied Mechanics. 2018;48(1): 1-8.

Vehicle Speed Estimation using Image Processing
Fatima Afifah, Sharmin Nasrin, Abdul Mukit
Page 9 - 16

AbstractThis paper aims at determining vehicle speed which is necessary for traffic surveillance systems. These systems are very much useful to monitor and manage various traffic conditions such as traffic management, prevention of accident, also secure transportation. This paper describes a comprehensive approach to localizing target vehicles in video under various environmental conditions. The extracted geometry features from the video are continuously projected onto a profile and are constantly tracked. We rely on temporal information of features and their motion behaviors for vehicle identification, which compensates for the complexity in recognizing vehicle shapes, colors, and types. In speed determination vehicle detection and vehicle tracking are the key steps. To overcome the disadvantages of traditional methods, here, vehicle speed determination using image processing is done with Python language and OpenCV library. In this paper, the proposed method consists of few basic steps-— background subtractions, feature extraction, vehicle tracking etc. The speed is determined using distance travelled by vehicle over number of frames and frame rate.
CiteMLA
Fatima, Afifah., et al. "Vehicle Speed Estimation using Image Processing." Journal of Advanced Research in Applied Mechanics 48.1 (2018): 9-16.
APA
Fatima, A., Sharmin, N., & Abdul, M.,(2018). Vehicle Speed Estimation using Image Processing. Journal of Advanced Research in Applied Mechanics, 48(1), 9-16.
Chicago
Fatima Afifah, Sharmin Nasrin, and Abdul Mukit. "Vehicle Speed Estimation using Image Processing." Journal of Advanced Research in Applied Mechanics." 48, no. 1 (2018): 9-16.
Harvard
Fatima, A., Sharmin, N., and Abdul, M.,2018. Vehicle Speed Estimation using Image Processing. Journal of Advanced Research in Applied Mechanics 48(1), pp. 9-16.
Vancouver
Fatima A, Sharmin N, Abdul M. Vehicle Speed Estimation using Image Processing. Journal of Advanced Research in Applied Mechanics. 2018;48(1): 9-16.

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