Výsledky vyhledávání - "Raymond P. Daddazio"

Refined Stratified Sampling for efficient Monte Carlo based uncertainty quantification

Autor: Michael D. Shields, Adam Hapij, Raymond P. Daddazio, Kirubel Teferra

Publikováno v: Reliability Engineering & System Safety. 142:310-325

A general adaptive approach rooted in stratified sampling (SS) is proposed for sample-based uncertainty quantification (UQ). To motivate its use in this context the space-filling, orthogonality, and projective properties of SS are compared with simpl

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::bca2c1f7b2fb152907ce53c4c0bb675c
https://doi.org/10.1016/j.ress.2015.05.023

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Mapping model validation metrics to subject matter expert scores for model adequacy assessment

Autor: Adam Hapij, Kirubel Teferra, Michael D. Shields, Raymond P. Daddazio

Publikováno v: Reliability Engineering & System Safety. 132:9-19

This paper develops a novel approach to incorporate the contributions of both quantitative validation metrics and qualitative subject matter expert (SME) evaluation criteria in model validation assessment. The relationship between validation metrics

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::79a23d55fdb90278134140f3c2448b2d
https://doi.org/10.1016/j.ress.2014.07.010

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Bootstrap Monte Carlo method utilizing a refined stratified sampling routine for uncertainty quantification of very large transient dynamic computational models

Autor: Kirubel Teferra, Raymond P. Daddazio, Adam Hapij, Michael D. Shields

Publikováno v: Safety, Reliability, Risk and Life-Cycle Performance of Structures and Infrastructures ISBN: 9781138000865
Safety, Reliability, Risk and Life-Cycle Performance of Structures and Infrastructures
Scopus-Elsevier

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::db75e08a43e3d08d0e816f8489494836
https://doi.org/10.1201/b16387-419

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Some practical applications of the use of scale independent elements for dynamic analysis of vibrating systems

Autor: Raymond P. Daddazio, Najib N. Abboud, Mohammed Ettouney

Publikováno v: Computers & Structures. 65:423-432

Discrete deterministic methods such as finite elements offer great flexibility in analyzing the dynamic response of vibrating systems. However, these methods can easily grow beyond available computer resources as frequencies of interest grow higher.

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::8e707cf3ba830c133dfc4d285fc60ca2
https://doi.org/10.1016/s0045-7949(96)00258-1

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The interaction of a submerged axisymmetric shell and three-dimensional internal systems

Autor: Raymond P. Daddazio, Mohammed Ettouney, Najib N. Abboud

Publikováno v: International Journal for Numerical Methods in Engineering. 37:2951-2970

This paper introduces a novel method to solve such three dimensional systems while keeping the circumferential harmonics of the axisymmetric shell uncoupled. This is accomplished by relating the admittance matrix of the three dimensional substructure

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::260aa8d877d4b2e603120fffbc685159
https://doi.org/10.1002/nme.1620371707

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Wet Modes of Submerged Structures—Part 2: Applications

Autor: Najib N. Abboud, Mohammed Ettouney, Raymond P. Daddazio

Publikováno v: Journal of Vibration and Acoustics. 114:440-448

Using the wet mode methodology described in Part I of this paper, we examine the harmonic response of an elastic shell in an infinite acoustic medium subjected to an incident pressure wave. Both surface and far field responses are studied utilizing t

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::fee2a6334f7ce6e0932e6191a289a672
https://doi.org/10.1115/1.2930282

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Boundary Element Methods in Probabilistic Acoustic Radiation Problems

Autor: Mohammed Ettouney, Raymond P. Daddazio

Publikováno v: Journal of Vibration and Acoustics. 112:556-560

Boundary Element Methods (BEM) are suited to a wide range of engineering problems, especially those of a semi-infinite nature. Examples of such problems can be found in the fluid-structure interactions of acoustic radiation and scattering problems an

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::f340da96a118334d77e5ebeee189a376
https://doi.org/10.1115/1.2930142

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Response of AISC Steel Column Sections to Blast Loading

Autor: Darell Lawver, Raymond P. Daddazio, David K. Vaughan, Michael Stanley, Howard Levine

Publikováno v: Problems Involving Thermal Hydraulics, Liquid Sloshing, and Extreme Loads on Structures.

One dozen American Institute of Steel Construction (AISC) W14 steel columns were tested at the Energetic Materials Research and Testing Center (EMRTC), New Mexico Institute of Mining and Technology in Socorro, New Mexico with loading from typical siz

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::f6332609e295a5fd82edb97343abcdd4
https://doi.org/10.1115/pvp2003-1827

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Simulating the Response of Composite Reinforced Floor Slabs Subjected to Blast Loading

Autor: C. K. B. Lee, Raymond P. Daddazio, Darell Lawver, Michael Stanley, Gwang Jin Oh, Allan B. Pifko

Publikováno v: Applied Mechanics and Biomedical Technology.

The threat of terrorist attack against civil infrastructure in the US and other countries has led to the need to better understand the response of structures and structural components to an impulsive air blast overpressure. One scenario that is prese

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::4606049348bf292188a13fe9c71c1040
https://doi.org/10.1115/imece2003-43870

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