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Topic Area: Modeling

Displaying records 121 to 130 of 143 records.
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121. Computable Error Bounds for Approximate Periodic Solutions of Autonomous Delay Differential Equations
Topic: Modeling
Published: 1/2/2007
Author: David E. Gilsinn
Abstract: In this paper we prove a result that says: Given an approximate solution and frequency to a periodic solution of an autonomous delay differential equation that satisfies a certain non-criticality condition, there is an exact periodic solution and fre ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=50868

122. Cell Morphology and Migration Linked to Substrate Rigidity
Topic: Modeling
Published: 1/1/2007
Authors: Yong Ni, Martin Y Chiang
Abstract: A mathematical model, based on thermodynamics, was developed to demonstrate the substrate mechanics influences the cell morphology and migration. The mechanisms by which substrate rigidity are translated into cell morphological changes and cell movem ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=852657

123. Approximating Periodic Solutions of Autonomous Delay Differential Equations
Series: NIST Interagency/Internal Report (NISTIR)
Report Number: 7375
Topic: Modeling
Published: 11/30/2006
Author: David E. Gilsinn
Abstract: Machine tool chatter has been characterized as isolated periodic solutions or limit cycles of delay differential equations. Determining the amplitude and frequency of the limit cycle is sometimes crucial to understanding and controlling the stability ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=50885

124. Integral Operators and Delay Differential Equations
Topic: Modeling
Published: 10/1/2006
Authors: David E. Gilsinn, Florian A Potra
Abstract: We begin this expository essay by reviewing with examples what a typical engineer already knows about statistics. We then consider a central question in engineering decision making, i.e., given a computer simulation of high-consequence systems, how ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=150015

125. Front Matter for Special Issue of NIST Journal of Research in honor of Christoph Witzgall
Series: Journal of Research (NIST JRES)
Topic: Modeling
Published: 3/31/2006
Authors: David E. Gilsinn, Ronald F Boisvert
Abstract: This front matter for a special issue of the NIST Journal of Research contains a photograph and biography of Christoph Witzgall. It also contains a thank you paragraph by Christoph Witzgall for a symposium held in his honor. Many of the papers in thi ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=150660

126. Discrete Fourier Series Approximation to Periodic Solutions of Autonomous Delay Differential Equations
Topic: Modeling
Published: 1/2/2006
Author: David E. Gilsinn
Abstract: We begin this expository essay by reviewing with examples what a typical engineer already knows about statistics. We then consider a central question in engineering decision making, i.e., given a computer simulation of high-consequence systems, how ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=150014

127. Response to comments on Statistical analysis of CIPM key comparisons based on the ISO Guide
Topic: Modeling
Published: 2/15/2005
Authors: Raghu N Kacker, Raju Vsnu Datla, Albert C Parr
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=150909

128. Pose of I-Beams for Construction Site Automation
Topic: Modeling
Published: 9/21/2004
Authors: David E. Gilsinn, Geraldine S Cheok, Alan M. (Alan M.) Lytle
Abstract: Automation of construction processes can result in reduced project costs and increased worker safety. A process that lends itself to automation is the picking and placing of objects. However, determining the pose (position and orientation) of an ob ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=150893

129. Comparative Statistical Analysis of Test Parts Manufactured in Production Environments
Series: NIST Interagency/Internal Report (NISTIR)
Topic: Modeling
Published: 2/2/2004
Authors: David E. Gilsinn, Alice V. Ling
Abstract: Estimating error uncertainties arising in production parts isnot a well understood process. This study developed an approach to estimatethese uncertainties. Machine tool error components on a vertical turningcenter were measured. Multiple parts were ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=150867

130. Approximating Limit Cycles of a Van der Pol Equation with Delay
Topic: Modeling
Published: 1/15/2004
Author: David E. Gilsinn
Abstract: In this paper a theorem of Stokes is used to establish the existence of a periodic solution of a Van der Pol equation with fixed delay in the neighborhood of an approximating solution that satisfies a certain noncriticality condition.
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=50684



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