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Topic Area: Modeling
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Displaying records 31 to 40 of 146 records.
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31. Antiderivatives and integral representations of associated Legendre functions with {mu}{math equal}{+or-}{nu} equal to within a sign
Topic: Modeling
Published: 1/16/2013
Author: Howard S Cohl
Abstract: We obtain antiderivatives and complex integral representations for associated Legendre functions and Ferrers functions (associated Legendre functions on-the-cut) of the first and second kind with degree and order equal to within a sign.

32. Bubble motion and size variation during thermal migration with phase change
Topic: Modeling
Published: 1/1/2013
Authors: Asha K. Nurse, Geoffrey B McFadden, Sam Ray Coriell
Abstract: An analysis of the motion of a spherical bubble in a two-phase, single component system with a vertical linear temperature gradient is presented. The model for the migration of an immiscible bubble under the effects of buoyancy and thermocapillari ...

33. Threshold Digraphs
Topic: Modeling
Published: 12/5/2012
Authors: Brian Dale Cloteaux, Michael Drew LaMar, Elizabeth R Moseman, James Shook
Abstract: A digraph whose degree sequences have a unique vertex labeled realization is called threshold. In this paper we present several characterizations of threshold digraphs and show them to be equivalent. One of the characterizations is new, and allow ...

34. Theoretical Analysis and Modeling of Link Adaptation Schemes in Body Area Networks
Topic: Modeling
Published: 11/23/2012
Authors: Wen-Bin Yang, Kamran Sayrafian
Abstract: Considering the medical nature of the information carried in Body Area Networks (BAN), interference from coexisting wireless networks or even other nearby BANs could create serious problems on their operational reliability. As practical implement ...

35. Fast Sequential Importance Sampling fo Estimate the Graph Reliability Polynomial
Topic: Modeling
Published: 11/5/2012
Authors: David G. Harris, Francis Sullivan, Isabel M Beichl
Abstract: The reliability polynomial of a graph measures the number of its connected subgraphs of various sizes. Algortihms based on sequential importance sampling (SIS) have been proposed to estimate a graph's reliahbility polynomial. We develop an improved ...

36. SysML extension for dynamical system simulation tools
Series: NIST Interagency/Internal Report (NISTIR)
Report Number: 7888
Topic: Modeling
Published: 10/26/2012
Authors: Ion Matei, Conrad E Bock
Abstract: Computer-interpretable representations of system structure and behavior are at the center of designing today‰s complex systems. Engineers create and review such representations using graphical modeling languages that support specification, analys ...

37. Definite integrals using orthogonality and integral transforms
Topic: Modeling
Published: 10/19/2012
Authors: Howard S Cohl, Hans Volkmer
Abstract: We obtain definite integrals for products of associated Legendre functions with Bessel functions, associated Legendre functions, and Chebyshev polynomials of the first kind using orthogonality and integral transforms.

38. Erratum: "Developments in determining the gravitational potential using toroidal functions"
Topic: Modeling
Published: 10/2/2012
Author: Howard S Cohl
Abstract: We fix several errors in "Developments in determining the gravitational potential using toroidal functions" (Astronomische Nachrichten, Vol. 321, Issue 5/6, p. 363).

39. Fourier Expansions for a Logarithmic Fundamental Solution of the Polyharmonic Equation
Topic: Modeling
Published: 9/28/2012
Author: Howard S Cohl
Abstract: In even-dimensional Euclidean space for integer powers of the Laplacian greater than or equal to the dimension divided by two, a fundamental solution for the polyharmonic equation has logarithmic behavior. We give two approaches for developing a Fou ...

40. A comparison of methods for Non-rigid 3D shape retrieval
Topic: Modeling
Published: 9/26/2012
Authors: Zhouhui Lian, Afzal A Godil
Abstract: Non-rigid 3D shape retrieval has become an active and important research topic in content-based 3D object retrieval. The aim of this paper is to measure and compare the performance of state-of-the-art methods for non-rigid 3D shape retrieval. The pa ...

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