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 D S Vlachos

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Average citations per article1.50
Citation Count6
Publication count4
Publication years2008-2012
Available for download1
Average downloads per article297.00
Downloads (cumulative)297
Downloads (12 Months)18
Downloads (6 Weeks)3
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4 results found Export Results: bibtexendnoteacmrefcsv

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1
April 2012 Journal of Computational and Applied Mathematics: Volume 236 Issue 10, April, 2012
Publisher: Elsevier Science Publishers B. V.
Bibliometrics:
Citation Count: 1

A new approach for constructing variational integrators is presented. In the general case, the estimation of the action integral in a time interval [t"k,t"k"+"1] is used to construct a symplectic map (q"k,q"k"+"1)->(q"k"+"1,q"k"+"2). The basic idea, is that only the partial derivatives of the estimated action integral of the Lagrangian are ...
Keywords: Bernstein basis polynomials, Discrete variational mechanics, Symplectic integrators, Variational integrators

2
March 2012 Computers and Operations Research: Volume 39 Issue 3, March, 2012
Publisher: Elsevier Science Ltd.
Bibliometrics:
Citation Count: 4

In this article we present a simulated annealing based algorithm for the determination of optimal ship routes through the minimization of a cost function defined as a weighted sum of the time of voyage and the voyage comfort (safety is taken into account too). This cost function is dependent on ...
Keywords: Discrete mechanics, Calculus of variations, Optimal ship routing, Simulated annealing

3 published by ACM
January 2010 ACM Transactions on Mathematical Software (TOMS): Volume 37 Issue 1, January 2010
Publisher: ACM
Bibliometrics:
Citation Count: 1
Downloads (6 Weeks): 3,   Downloads (12 Months): 18,   Downloads (Overall): 297

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LMEF is a program written in MATLAB, to calculate the coefficients of a linear multi-step method (explicit, implicit or backward differentiation formulas) with algebraic and/or exponential fitting, for the numerical solution of first order ordinary differential equations. Moreover, LMEF calculates the local truncation error and in the case of exponential ...
Keywords: Linear multistep methods, backward differentiation formulas, exponential fitting

4
December 2008 Mathematical and Computer Modelling: An International Journal: Volume 48 Issue 11-12, December, 2008
Publisher: Elsevier Science Publishers B. V.
Bibliometrics:
Citation Count: 0

A parametric method is presented for calculating the directional wave spectrum from vertical and horizontal accelerations of a floating buoy. These measurements are obtained from accelerometers attached on board the buoys of the POSEIDON network. The method assumes the superposition of two independent wave trains giving a better approach to ...
Keywords: Sea wave spectra



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