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Response Surface Methodology Approach for Chip Serration Frequency Prediction in Milling
Research Output | Dar Al-hikmah Library | IIUM Only

Chip morphology and segmentation play a predominant role in determining Machinability and Chatter during the machining operation of materials. The chip shape and size varies widely in machining operations. Problems with surface finish, work-piece accuracy, chatter and tool life can be caused even due to minor changes in the chip formation process,

Namp: Neighbor Aware Multicast Routing Protocol for Mobile Ad Hoc Networks
Research Output | Dar Al-hikmah Library | IIUM Only

A Mobile Ad Hoc Network (MANET) represents a system of wireless mobile nodes that can freely and dynamically self-organize into arbitrary and temporary network topologies without the presence of any fixed communication infrastructure. Reliable routing and robustness of the network are two important issues for MANETs. In this paper we propose Neighb

Investigations of the Causes of Chatter in Computer Aided Manufacturing Process During End Milling Operation
Research Output | Dar Al-hikmah Library | IIUM Only

Chatter is an unwanted but sometimes unavoidable phenomenon in computer aided machining. The term defines the self-excited violent relative dynamic motion between the cutting tool and workpiece. Experimental investigations have been conducted on the chips and common types of discreteness in the form of serrated saw teeth have been identified. It ha

An Application of Catalan Numbers on Cayley Tree of Order 2: Single Polygon Counting
Research Output | Dar Al-hikmah Library | IIUM Only

Abstract. In this paper, we consider a problem on finding the number of different single connected component containing a fixed root for a given number of vertices on semi-infinite Cayley tree. The solution of this problem is the well known Catalan numbers. The result is then extended to the complete graph. Then, we gave a suitable estimate for the

Computational Analysis for the Prediction Chip Serration Frequency in End Milling of Steel Aisi1020
Research Output | Dar Al-hikmah Library | IIUM Only

The output parameter of the model was surface roughness. For this interpretation, advantages of statistical experimental design technique, experimental measurements, artificial neural network were exploited in an integrated manner. Cutting experiments are designed based on statistical three-level full factorial experimental design technique. A pred

Cryptanalysis of Improved Password Authentication Scheme with Smart Cards
Research Output | Dar Al-hikmah Library | IIUM Only

The intent of this paper is to present the flaws and weaknesses of Kim et al.'s timestamp-based password authentication scheme using smart cards. We prove that, in spite of the improvement of Yang-Wang-Chang's scheme, Kim et al.'s solution is still vulnerable to a type of forgery attack. We also note down how the flaw could be overcome

Future Internet Addressing (Fi Address)
Research Output | Dar Al-hikmah Library | IIUM Only

Ann innovative FI address scheme is discussedTechnical Report 2008N4-SP-NL, December 11, 2008 Final Report Future Internet Addressing (FI Address) Networking Lab, KHU Date : 19 December, 2008 E-Mail : spathan@networking.khu.ac.kr 1. INTRODUCTION The architecture and operational methods of Future Internet (FI) are not yet clear. So, proposing any sp

Qualitative Research : Data Collection & Data Analysis Techniques
Research Output | Dar Al-hikmah Library | IIUM Only

This book starts off with Chapter 1 which introduces us to qualitative research, an approach that does not deal with numbers per se, but, has guidelines and a systematic approach within a theoretical framework or design. The chapter also discusses the characteristics of qualitative research; and the differences between qualitative and quantitative

Response Surface Methodological Approach for the Prediction of Tangential Cutting Forces in End Milling of Stainless Steel
Research Output | Dar Al-hikmah Library | IIUM Only

The present paper discusses a response surface methodological approach for the prediction of tangential cutting force produced in end-milling operation of Stainless steel (SS304). It is difficult to predict accurately the cutting forces encountered in end milling operations due to large number of independent variables involved. In this work, an app

Role of Pharmacodiagnostic of Cyp2c9 Variants in the Optimization of Warfarin Therapy in Malaysia: a 6-month follow-Up Study
Research Output | Dar Al-hikmah Library | IIUM Only

1. A retrospective study was conducted to explore the importance of CYP2C9 genotyping for the initiation and maintenance therapy of warfarin in clinical practice. A total of 191 patients on warfarin therapy in a local hospital were recruited after written informed consent. Their medical records were reviewed and no intervention of warfarin dose was

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