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All Library Books, journals and Electronic Records Telegrafenberg

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  • Numerical Analysis  (3)
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  • 1
    Publikationsdatum: 2019-07-13
    Beschreibung: A recently developed finite-element-based equivalent linearization approach for the analysis of random vibrations of geometrically nonlinear multiple degree-of-freedom structures is validated. The validation is based on comparisons with results from a finite element based numerical simulation analysis using a numerical integration technique in physical coordinates. In particular, results for the case of a clamped-clamped beam are considered for an extensive load range to establish the limits of validity of the equivalent linearization approach.
    Schlagwort(e): Numerical Analysis
    Materialart: Structural Dynamics: Recent Advances, Proceedings of the 7th International Conference; 2; 833-846|Structural Dynamics: Recent Advances; Jan 01, 2000; Unknown
    Format: application/pdf
    Standort Signatur Erwartet Verfügbarkeit
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  • 2
    Publikationsdatum: 2019-07-10
    Beschreibung: An airdata estimation and evaluation system and method, including a stable algorithm for estimating airdata from nonintrusive surface pressure measurements. The airdata estimation and evaluation system is preferably implemented in a flush airdata sensing (FADS) system. The system and method of the present invention take a flow model equation and transform it into a triples formulation equation. The triples formulation equation eliminates the pressure related states from the flow model equation by strategically taking the differences of three surface pressures, known as triples. This triples formulation equation is then used to accurately estimate and compute vital airdata from nonintrusive surface pressure measurements.
    Schlagwort(e): Numerical Analysis
    Format: application/pdf
    Standort Signatur Erwartet Verfügbarkeit
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  • 3
    Publikationsdatum: 2019-07-13
    Beschreibung: The complexity of International Space Station (ISS) systems modeling often necessitates the concurrence of various dissimilar, parallel analysis techniques to validate modeling. This was the case with a feasibility and performance study of the ISS Node 3 Regenerative Heat Exchanger (RHX). A thermo-hydraulic network model was created and analyzed in SINDA/FLUINT. A less complex, closed form solution of the system dynamics was created using Excel. The purpose of this paper is to provide a brief description of the modeling processes utilized, the results and benefits of each to the ISS Node 3 RHX study.
    Schlagwort(e): Numerical Analysis
    Materialart: Thermal and Fluids Analysis Workshop; Sep 10, 2001 - Sep 14, 2001; Huntsville, AL; United States
    Format: application/pdf
    Standort Signatur Erwartet Verfügbarkeit
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