K.H. Chen^1,2, J.H. Kao³, J.T. Chen⁴

CMC-Computers, Materials & Continua, Vol.9, No.3, pp. 253-280, 2009, DOI:10.3970/cmc.2009.009.253

Abstract In this paper, solving antiplane piezoelectricity problems with multiple inclusions are attended by using the regularized meshless method (RMM). This is made possible that the troublesome singularity in the MFS disappears by employing the subtracting and adding-back techniques. The governing equations for linearly electro-elastic medium are reduced to two uncoupled Laplace's equations. The representations of two solutions of the two uncoupled system are obtained by using the RMM. By matching interface conditions, the linear algebraic system is obtained. Finally, typical numerical examples are presented and discussed to demonstrate the accuracy of the solutions. More >

Zheng Li^1,2, Wei Zhang¹, Kezhuang Gong¹

CMC-Computers, Materials & Continua, Vol.9, No.3, pp. 209-228, 2009, DOI:10.3970/cmc.2009.009.209

Abstract In this paper, continuous wavelet transform has been applied to inclusion detection in cantilever beams. By means of FEM, a cantilever beam with an inclusion is subjected to an impact on its free end, and its stress wave propagation process is calculated. Here, two kinds of inclusions which are distinct in material behavior have been discussed. And we change the inclusion's sizes in the beam and set it in three different positions to simulate some complicated situations. For soft inclusion, the results show that the arrival times of incident and reflective wave are distinguishable by… More >

Stephen R. Niezgoda¹, Surya R. Kalidindi^1,2

CMC-Computers, Materials & Continua, Vol.14, No.2, pp. 79-98, 2009, DOI:10.3970/cmc.2009.014.079

Abstract The generalized Hough transform is a common technique for feature detection in image processing. In this paper, we develop a size invariant Hough framework for the detection of arbitrary shapes in three dimensional digital microstructure datasets. The Hough transform is efficiently implemented via kernel convolution with complex Hough filters, where shape is captured in the magnitude of the filter and scale in the complex phase. In this paper, we further generalize the concept of a Hough filter by encoding other parameters of interest (e.g. orientation of plate or fiber constituents) in the complex phase, broadening More >

Nadipuram R. Prasad¹, Salvador Almanza-Garcia¹, Thomas T. Lu²

CMC-Computers, Materials & Continua, Vol.14, No.1, pp. 1-22, 2009, DOI:10.3970/cmc.2009.014.001

Abstract The paper presents a revolutionary framework for the modeling, detection, characterization, identification, and machine-learning of anomalous behavior in observed phenomena arising from a large class of unknown and uncertain dynamical systems. An evolved behavior would in general be very difficult to correct unless the specific anomalous event that caused such behavior can be detected early, and any consequence attributed to the specific anomaly following its detection. Substantial investigative time and effort is required to back-track the cause for abnormal behavior and to recreate the event sequence leading to such abnormal behavior. The need to automatically More >

S. Mukherjee¹, S. Chakraborty², I. Manna^1,3

CMC-Computers, Materials & Continua, Vol.10, No.3, pp. 217-228, 2009, DOI:10.3970/cmc.2009.010.217

Abstract Influence of power density and interaction time for austenitisation during laser surface hardening of plain carbon eutectoid steel has been investigated. The analysis involves numerical prediction of thermal and solute diffusion profiles and thereby, the time needed for homogenization of austenite for different processing conditions. Experimental results provide qualitative validation. More >

Mark LaSpina, Gabriel P. Haas

Canadian Journal of Urology, Vol.15, Suppl.4, pp. 3-13, 2008

Abstract Early detection of prostate adenocarcinoma (prostate cancer) through screening tests such as a serum prostatespecifi c antigen (PSA) test and a digital rectal examination (DRE) enables primary care physicians and urologists to offer patients a broader choice of treatments that are also more likely to provide a cure. Whether men are being over treated or over diagnosed through the widespread use of screening tests remains controversial. This review aims to provide general practitioners with a better understanding of different prostate cancer tests that can be performed and to help them decide which patients should be More >

Jonah S. Marshall, Allison L. Cardin, Ganesh Palapattu

Canadian Journal of Urology, Vol.15, No.1, pp. 3936-3938, 2008

Abstract Patients present with foreign bodies in the genitourinary tract of a surprising array of shapes and sizes. We present a case of a woman with a metallic pipe lodged in the bladder and a novel technique for removing it. The patient underwent cystoscopy and a prolene snare was fashioned intraoperatively which facilitated safe and rapid extraction of the metallic pipe. Foreign bodies in the genitourinary tract present the urologist with a unique challenge and we present a simple, cheap, and effective way of managing these objects using an easily constructed cystoscopic snare. More >

Albert Ruenes Jr¹, Serigne M. Gueye²

Canadian Journal of Urology, Vol.15, No.1, pp. 3886-3889, 2008

Abstract In the United States alone, approximately 220000 new cases of prostate cancer will be detected in 2007, and 27000 men will die of that disease. African American men will suffer disproportionately, having a prostate cancer incidence that is nearly 60% higher than their Caucasian counterparts. In fact, it is widely accepted that African American men have the highest incidence of prostate cancer in the world. This observation has led investigators to study the prostate cancer risk among African men in an effort to identify factors responsible for the high incidence of prostate cancer that plagues… More >

Mohamed Jalloh¹, Charnita Zeigler-Johnson², Marguette Sylla-Niang¹, Lamine Niang¹, Issa Labou¹, Karamo A. Konte², Timothy R. Rebbeck², Serigne Gueye¹

Canadian Journal of Urology, Vol.15, No.1, pp. 3883-3885, 2008

Abstract Objectives: Limited data exist about prostate cancer screening in Africa. The goal of this study was to describe the distribution of prostate-specific antigen (PSA) values in an unselected population of Senegalese men being screened for prostate cancer, and to assess the role of PSA screening tests in the early detection of prostate cancer in this population.
Patients and methods: We undertook a cross-sectional study in a community outreach setting with 113 unselected Senegalese men. Participants completed a questionnaire, underwent a digital rectal examination (DRE), and provided a blood sample for PSA testing. The questionnaire focused on demographic… More >

Alvaro Lucioni, David E. Rapp, Edward M. Gong, William S. Reynolds, Paula A. Fedunok, Gregory T. Bales

Canadian Journal of Urology, Vol.15, No.2, pp. 4004-4008, 2008

Abstract Introduction: The Gynecare Prolift pelvic floor repair system (GPS) comprises a synthetic mesh placed via a transvaginal, transobturator approach. We present our technique focusing on the safety and feasibility of the GPS.
Materials and methods: GPS candidates are evaluated in the office with a full history, physical examination, urinalysis and when appropriate, urodynamic evaluation. Patients were offered total vaginal vault prolapse repair or isolated anterior repair dependent of site of defect. Follow-up comprised a full history, physical examination, and global assessment of subjective satisfaction (2 and 6 weeks, 6 months postoperative). Concentration was placed on intraoperative and More >