New Developments on Online Generation of Trajectories in Quadruped Robots

Issues 1-2 Volume 07

Carla M.A. Pinto2 *,Cristina P. Santos**, Diana Rocha*, Vitor Matos** * Instituto Superior de Engenharia do Porto and Centro de Matematica da Universidade do Porto Rua Dr Antonio Bernardino de Almeida, 431, 4200-072 Porto, Portugal ** Dept. Electronica Industrial and Centro Algoritmi Universidade do Minho Campus de Azurem 4800-058 Guimaraes, Portugal Received 30 January, 2011; […]

Evaluation of Turbulence Models for Flow Over a Thermally Loaded Hill

Issues 3-4 Volume 13

Ivan Kolo?1, a), Lenka Lausov�1, b) and Vladim�ra Michalcov�1, c) 1V?B – Technical University of Ostrava, Faculty of Civil Engineering, L. Pod�?t? 1875/17, 708 33 Ostrava-Poruba, Czech Republic a)Corresponding author: ivan.kolos@vsb.cz, b)lenka.lausova@vsb.cz, c)vladimira.michalcova@vsb.cz Abstract. CFD models are widely used for modelling of flow over objects, as they provide very good results of the turbulence characteristics

Adjoint Sensitivity Analysis of Neutral Delay Differential Models

Issues 1-2 Volume 05

Fathalla A. Rihan2 Department of Mathematical Sciences, College of Science, United Arab Emirates University, Al Ain, 17551, UAE Received 11 October, 2009; accepted in revised form 21 January, 2010 Abstract: In this short paper, we investigate sensitivity and robustness of neutral delay differential models to small perturbations in the parameters that occur in the models,

PREFACE_1

Issues 1-2 Volume 01

J. Cash Department of Mathematics, Imperial College of Science, Technology and Medicine, London, SW7 2AZ, United Kingdom   Download PDF

On the Covariance of Generalized Inverses in C*-Algebra

Issues 3-4 Volume 05

M.H. Alizadeh2 Department of Mathematics, Islamic Azad University-Nur Branch, Nur, P. O. Box: 46415/444, Iran Received 30 September, 2008; accepted in revised form 8 December, 2010 Abstract: This paper gives a complete characterization of covariance set of regular elements in a C -algebra. Moreover, it is proved that if a and b are simply polar

Numerical Analysis of the One-Dimensional Nonlinear Boundary Value Problem that Modeling an Electrostatic NEMS by Two-Sided Approximations Method

Issues 3-4 Volume 14

O. Konchakovska, M. Sidorov Department of Applied Mathematics, Faculty of Information and Analytical Technologies and Managment, Kharkiv National University of Radio Electronics, 61166, Kharkiv, Ukraine Received 17 May, 2020; accepted in revised form 10 November, 2020 Abstract: The problem of numerical analysis of a nanoelectromechanical system, whose mathematical model is the first boundary value problem

A parallelizable sequential method for the Biot system

Issues 3-4 Volume 12

N. Chaabane1,a, B. Rivi erea, Mikhail Sekachevb and Henri Calandrab aCAAM department, Rice University bTotal E&P Research & Technology USA, LLC 1E-mail: nc33@rice.edu Abstract: In [7], a sequential approach was introduced to solve the Biot system where the pressure and displacement variables are decoupled. A stabilization term was added and the discontinuous Galerkin method was

Biorthogonal Polynomials and Numerical Integration Formulas for In nite Intervals

Issues 3-4 Volume 02

Date of Online Publication: 27/10/2007 Keywords: Biorthogonal polynomials; Orthogonal polynomials; Convergence acceleration; Numerical integration; Rational approximation Authors: Avram Sidi, Doron S. Lubinsky Pages: 209-226 In this work, we consider a class of numerical quadrature formulas for the infiniterange integrals where being the Exponential Integral. These formulas are obtained by applying the Levin L and Sidi

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