Search results
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Title
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Analysis of failure time data with missing and informative auxiliary covariates.
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Author
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Ghosh, Lipika
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Date Created
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2011
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Subjects--Topical
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Statistics, Mathematics, Biometry
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Description
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In this dissertation we use Cox's regression model to failure time data with continuous informative auxiliary variables in the presence of a validation subsample. The work is motivated by a common problem of missing or mismeasured covariates in su...
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Title
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Constitutive Modeling and Dynamic Impact Analysis of Bighorn Sheep Horn
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Author
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Li, Zheng
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Date Created
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2022
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Subjects--Topical
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Mechanical engineering
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Description
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Bighorn sheep (Ovis canadensis) is known for its giant spiral horns that can sustain impact loading at a speed up to 5.5 m/s during ramming without causing severe damage or head concussion. The bighorn sheep horn is composed of a keratin-based bio...
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Title
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Finite element modeling and simulation of occupant responses in highway crashes
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Author
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Li, Ning
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Date Created
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2014
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Subjects--Topical
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Mechanical engineering, Mechanics
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Description
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Roadside barrier systems play an important role in reducing the number of fatalities and the severity of injuries in highway crashes. After decades of work by researchers and engineers, roadside barriers have been improved and are generally effect...
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Title
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HYDRODYNAMIC SIMULATIONS OF EJECTA PRODUCTION FROM SHOCKED METALLIC SURFACES
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Author
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Karkhanis, Varad
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Date Created
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2017
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Subjects--Topical
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Mechanical engineering, Mechanics, Aerospace engineering
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Description
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The phenomenon of mass ejection into vacuum from a shocked metallic free surfaces can have a deleterious effect on the implosion phase of the Inertial Confinement Fusion (ICF) process. Often, the ejecta take the form of a cloud of particles that a...
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Title
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Impact of Connected and Autonomous Vehicles on Mobility of Highway Systems
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Author
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Liu, Pengfei
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Date Created
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2020
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Subjects--Topical
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Transportation, Automated vehicles
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Description
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Connected and autonomous vehicle (CAV) technologies are known as an effective way to improve safety and mobility of the transportation system. As a combination technology of connected vehicle and autonomous vehicle, CAVs share real time traffic da...
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Title
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MULTI-SCALE FINITE ELEMENT MODELING OF MULTI-PLY WOVEN FABRICS UNDER BALLISTIC IMPACTS
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Author
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Palta, Emre
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Date Created
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2019
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Subjects--Topical
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Mechanical engineering, Mechanics, Engineering
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Description
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High-strength fiber reinforced woven fabrics are broadly utilized for their high strength-to-weight ratios and good flexibility to provide ballistic protection in security applications such as soft body armor equipment or protective layering of mi...
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Title
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Multiscale modeling of the properties of two-dimensional materials
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Author
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Wang, Xiaonan
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Date Created
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2017
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Subjects--Topical
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Mechanical engineering
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Description
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The main objective of this dissertation is to study the thermal and mechanicalproperties of two dimensional materials. For this purpose, we use and combine atomiclevel simulations with continuum level simulations. In this dissertation, moleculardy...
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Title
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Optimization of Building Envelope Design for Daylighting and Thermal Performance
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Author
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Futrell, Benjamin
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Date Created
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2015
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Subjects--Topical
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Engineering, System theory, Building
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Description
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Buildings account for 40% of US energy usage. A building’s energy usage is largely determined by decisions made during its design. Such decisions relate to the form and orientation of the building, the materials used, and location of windows. A bi...
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Title
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RAPID AND DYNAMIC LOAD TESTING OF INSTRUMENTED PZ27 STEEL SHEET PILES
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Author
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Rice, Corey
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Date Created
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2020
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Subjects--Topical
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Civil engineering
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Description
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Pile foundations are typically used for structures underlain by weaker soils in order to increase the soil resistance and, subsequently, the axial capacity. In bridge abutments, sheet piles are typically used as facing elements for soil retention ...