A Multilevel Component Mode Synthesis Approach for Quantum Mechanical Electrostatic Analysis of Nanoscale Devices
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04 Jan 2011 | Poster | Contributor(s): hua li
Two component mode synthesis (CMS) approaches, namely, the fixed interface CMS approach and the free interface CMS approach, are presented and compared for efficient solution of 2-D...
Natural Frequencies of Two Bubbles in a Compliant Tube: Analytical & Simulation Results
04 Jan 2011 | Poster | Contributor(s): Neo W Jang
Motivated by various clinical applications of ultrasound contrast agents within blood vessels, the natural frequencies of two bubbles in a compliant tube are investigated analytically,...
Cyber-enabled Learning Environments for Engineering and Scientific Thinking: Systems from theÂ NEESacademy powered by NEEShub
04 Jan 2011 | Poster | Contributor(s): Sean Brophy
HUBzerotechnologies at Purdue, like nanoHUBand NEEShub, can engage learners in authentic engineering and scientific challenges involving knowledge discovery and synthesis using tools, simulations,...
Biomechanical Consequences of Spinal Ligament Microstructure
04 Jan 2011 | Poster | Contributor(s): Anton E Bowden
Spinal ligaments passively guide and stabilize the structures of the back through a large a complex range of motion. The collagen composite microstructure of these ligaments induces a...
Critical Assessment of Coupled Flow Behavior in Unsaturated Clay Barriers
04 Jan 2011 | Poster | Contributor(s): Kristin Sample
Dr. Shackelford and Dr. Lu at Colorado State University and Colorado School of Mines, respectively, are heading NSF-funded research to evaluate the role of membrane behavior in unsaturated clay...
Ultrafast and Robust, Resettable Threshold Sensors Based on Discontinuity-Induced Nonlinearities
04 Jan 2011 | Poster | Contributor(s): Harry Dankowicz
This poster discusses a proposed micro-electro-mechanical realization of a novel limit-switch sensor design that relies on discontinuity-induced nonlinearities for its function. The poster reviews...
Collaborative Research: Stochastic Multi-scale Optimization for Energy Resource Planning
04 Jan 2011 | Poster | Contributor(s): Warren B Powell
The accurate modeling of energy flows over time allows us to understand the economics of different energy technologies, the effect of government policies, the value of different R&D programs...
Rule-based Optimization of Dynamical System Performance
04 Jan 2011 | Poster | Contributor(s): Zelda Zabinsky
Professors Zabinsky and Kohn, and their Ph.D. students, have developed preliminary versions of an algorithmic-based methodology for solving enterprise optimization problems in which the...
Integration of Operational Planning and Medium-Term Scheduling for Large-Scale Industrial Batch Plants under Demand and Processing Time Uncertainty
04 Jan 2011 | Poster | Contributor(s): Christodoulos A Floudas
Operational planning, medium-term and short-term scheduling are closely related activities. Despite prior advances, the effective integration of planning and scheduling under demand and...
GOALI: A Hybrid Method to Support Natural Interaction of Parts in a Virtual Environment
04 Jan 2011 | Poster | Contributor(s): judy vance
The overall goal of this research is to improve the design of assembly methods through the use of virtual reality (VR) and haptics (force feedback). The research is focused on two critical...
Nested Canalyzing Functions
04 Jan 2011 | Poster | Contributor(s): David Murrugarra
In this poster we introduce a generalization of the concept of nested canalyzing functions (NCF), a class of biologically meaningful functions, from boolean to the multi-state setting. We present...
Inelastic effects in natural and synthetic gecko adhesives
04 Jan 2011 | Poster | Contributor(s): Jonathan B Puthoff
Inelastic materials properties strongly influence the adhesive and frictional characteristics of conventional adhesives. Could these dissipative effects play a significant role in the operation of...
Nanomechanical characterization of the interphase in carbon fiber/epoxy composites
04 Jan 2011 | Poster | Contributor(s): Scott Poveromo
We thank Jian-Guo Zheng for help on SEM imaging and Ling Chen’s guidance on QCR-AFM work. Funding for this work was provided by NSF.
The Design and Analysis of AluminideSurface Layers for Low Temperature Synthesis
04 Jan 2011 | Poster | Contributor(s): John H Perepezko
In order to realize the enhanced capabilities of high temperature alloy steels for higher energy efficiency, they must be protected against environmental attack. The application of...
Engineered Microfluidic Mixing for Green Nanocrystal Manufacturing
04 Jan 2011 | Poster | Contributor(s): Noah Malmstadt
As applications for nanocrystals continue to emerge in areas like alternative energy technologies and biomedical engineering, there is an ever-increasing need for new approaches to...
NEESR-CR: Topographic Effects in Strong Ground Motion: From Physical and Numerical Modeling to Design
04 Jan 2011 | Poster | Contributor(s): Dominic Assimaki
Topographic effects refer to the modification and amplification of seismic ground motion in the vicinity of topographic features such as hillsides, ridges, and canyons. This well-documented...
Nonlinear and Adaptive Control of Smart Material-Actuated Systems with Application to Nanopositioning
04 Jan 2011 | Poster | Contributor(s): Xiaobo Tan
• Speed of SPM and other nanopositioning systems limited by tracking performance of piezoelectric...
Measurement & Characterization of Hurricane Wind Loads on Structures Using a Wireless Sensing Networking System
04 Jan 2011 | Poster | Contributor(s): Jean-Paul Pinelli
A third generation of wireless sensors was developed to study wind-borne pressure variations in low-rise buildings during hurricanes. The system has the capability of measuring pressure and...
High Throughput Nanoimprint Manufacturing of Shape-Specific, Stimuli-Responsive Polymeric Nanocarriers for Drug and Imaging Agent Delivery
04 Jan 2011 | Poster | Contributor(s): Patrick Jurney
A significant amount of research has been conducted on the development of hydrogel-based drug delivery systems that have the ability to swell or shrink in the presence of different...
CFS-NEES: Advancing Cold-Formed Steel Earthquake Engineering
04 Jan 2011 | Poster | Contributor(s): Benjamin Schafer
The objective of this brief paper is to introduce a newly funded research project: NEESR-CR: Enabling Performance-Based Seismic Design of Multi-Story Cold-Formed Steel Structures. The...