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RISThe Computational Complexity and Parallel Scalability of Atmospheric Data Assimilation Algorithms
Publisher: American Meteorological Society
Abstract: This paper quantifies the computational complexity and parallel scalability of two algorithms for four-dimensional data assimilation (4DDA) at NASA's Global Modeling and Assimilation Office (GMAO). The first, the Goddard ...
A Unified Continuum Damage Mechanics Model for Predicting the Stress Relaxation Behavior of High Temperature Bolting
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Two stress relaxation constitutive models have been developed to predict the stress relaxation behavior for hightemperature bolting according to continuum damage mechanics, Kachanov–Robatnov (K–R), and Othman–Hayhurst ...
An Accelerated Method for Creep Prediction From Short Term Stress Relaxation Tests
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: With the development of ultrasupercritical power generation technology, creep strength of hightemperature materials should be considered for safety evaluation and engineering design. However, longtime creep testing should ...
CHANGES OF ATMOSPHERIC COMPOSITION AND OPTICAL PROPERTIES OVER BEIJING—2008 Olympic Monitoring Campaign
Publisher: American Meteorological Society
Abstract: Before and during the 2008 Beijing Olympics from June to September, ground-based and satellite monitoring were carried out over Beijing and its vicinity (BIV) in a campaign to quantify the outcomes of various emission ...