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You searched on: Topic Area: Scientific Computing

Displaying records 1 to 10 of 47 records.
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1. Permanents, alpha-permanents and Sinkhorn balancing
Topic: Scientific Computing
Published: 6/28/2014
Authors: F Sullivan, Isabel M Beichl
Abstract: The method of Sinkhorn balancing that starts with a non-negative square matrix and iterates to produce a related doubly stochastic matrix has been used with some success to estimate the values of the permanent in some cases of physical interest, Ho ...

2. A Binomial Approximation Method for the Ising Model
Topic: Scientific Computing
Published: 5/21/2014
Authors: Isabel M Beichl, Amanda A. Streib, Noah S. Streib, Francis Sullivan
Abstract: A large portion of the complexity inherent to the Ising model can be captures with a trivial amount of computation. in this work, we support this claim by defining an approximation to the partition function and other thermodynamic quantities of the ...

3. Analysis for Dynamic Metrology
Topic: Scientific Computing
Published: 1/30/2014
Authors: Andrew M Dienstfrey, Paul D Hale
Abstract: Diverse measurement contexts require estimates of time varying quantities. Ideally the measurement device responds to signal variations significantly more rapidly than the modulation of the signal itself. If so, then well-developed techniques may b ...

4. On the Enduring Appeal of Least-squares Fitting in Computational Coordinate Metrology
Topic: Scientific Computing
Published: 9/6/2013
Authors: Vijay Srinivasan, Craig M Shakarji, Edward P Morse
Abstract: The vast majority of points collected with coordinate measuring machines are not used in isolation; rather, collections of these points are associated with geometric features through fitting routines. In manufacturing applications, there are two fund ...

5. Three Years of DLMF: Web, Math & Search
Topic: Scientific Computing
Published: 8/1/2013
Author: Bruce R Miller
Abstract: DLMF was released to the public in May 2010 and is now completing its 3rd year online. As a somewhat early adopter of large-scale MathML content online, and exposing a math-aware search engine to the public, the project encountered situations distinc ...

6. Stratified Sampling for the Ising Model: A Graph-Theoretic Approach
Topic: Scientific Computing
Published: 6/19/2013
Authors: Amanda A. Streib, Noah S. Streib, Isabel M Beichl, Francis Sullivan
Abstract: We present a new approach to a classical problem in statistical physics: estimating the partition function and other thermodynamic quantities of the ferromagnetic Ising model. Markov chain Monte Carlo methods for this problem have been well-stu ...

7. A Hybrid CPU-GPU System for Fourier-Based Stitching of Optical Microscopy Images
Topic: Scientific Computing
Published: 3/15/2013
Authors: Walid Keyrouz, Bertrand Clement Stivalet, Timothy J Blattner, Shujia Zhou, Joe Chalfoun, Mary C Brady
Abstract: We present a high performance hybrid CPU-GPU implementation that accelerates the Fourier-based stitching of 2D optical microscopy images to less than 1-minute (end-to-end execution times). This implementation takes advantage of coarse-grained parall ...

8. A Hybrid CPU-GPU Approach to Fourier-Based Image Stitching of Optical Microscopy Images
Topic: Scientific Computing
Published: 3/3/2013
Authors: Walid Keyrouz, Timothy J Blattner, Bertrand Clement Stivalet, Joe Chalfoun, Mary C Brady, Shujia Zhou
Abstract: We present a hybrid CPU-GPU approach for the Fourier-based stitching of optical microscopy images. This system achieves sub-minute stitching rates with large grids; it stitches a grid of 59x42 tiles in 26 seconds on a two-CPU (8 physical cores) & two ...

9. A Bayesian Quantitative Nondestructive Evaluation (QNDE) Approach to Estimating Remaining Life of Aging Pressure Vessels and Piping
Topic: Scientific Computing
Published: 1/1/2013
Authors: Jeffrey T Fong, William F Guthrie, James J Filliben, Nathanael A Heckert
Abstract: In this paper, we use a Bayesian quantitative nondestructive evaluation (QNDE) approach to estimating the remaining life of aging structures and components. Our approach depends on in-situ NDE measurements of detectable crack lengths and crack g ...

10. A Stochastic and Local Theory of Fatigue for Aging Pressure Vessels and Piping
Topic: Scientific Computing
Published: 11/4/2012
Authors: Jeffrey T Fong, Nathanael A Heckert, James J Filliben
Abstract: We begin with a review of the fatigue design methodology for new pressure vessels and piping, based on both deterministic and stochastic approaches. We will then prove that the same methodology for estimating the remaining life of aging pressure ...

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