Huffman, Tanner J. Ph.D., Purdue University, May 2015. The Effects of a Modeleliciting Activity on High School Student Design Performance. Professor: Dr. Nathan J. Mentzer. Modeling allows students to become more effective designers. High school technology and engineering students engage in engineering design challenges as part of traditional instructional practices. Model-eliciting activities ...

In the discipline of non-Newtonian materials, the ability to control viscoelastic stresses is very desirable in ascertaining important properties of the influenced materials. We apply the nonlinear geometric control theory to examine the controllability of various popular constitutive models with imposed homogeneous extensional flow. The subsequent constitutive laws considered here include the ...

In this paper, the various low power full adder circuits with high speed operation have been analyzed. The adder is the basic building blocks of arithmetic circuits, so a small amount of power or delay reduction leads to greatest power saving or better performance of the circuit. Various design techniques are available for low power high speed full adders. All the adders are simulated using tan...

Article history: Received 10 May 2012 Received in revised form 9 December 2013 Accepted 15 December 2013 Available online 17 December 2013 Communicated by Jared Tanner

When using `1 minimization to recover a sparse, nonnegative solution to a underdetermined linear system of equations, what is the highest sparsity level at which recovery can still be guaranteed? Recently, Donoho and Tanner [10] discovered, by invoking classic results from the theory of convex polytopes [11, 12], that the highest sparsity level equals half of the number of equations. In this pa...

The text of the Acknowledgments section was incomplete. It should have read: “We acknowledge the use of the Neisseria Multi Locus Sequence Typing Web site (http://pubmlst.org/neisseria) developed by Keith Jolley and Man-Suen Chan and sited at the University of Oxford. The development of this site has been funded by the Wellcome Trust and European Union. We are grateful for support and contribut...

In 1986, Tanner and Mead [1] implemented an interesting constraint satisfaction circuit for global motion sensing in aVLSI. We report here a new and improved aVLSI implementation that provides smooth optical flow as well as global motion in a two dimensional visual field. The computation of optical flow is an ill-posed problem, which expresses itself as the aperture problem. However, the optica...

Recently low power circuits have become a top priority in modern VLSI design. This paper presents post layout simulations of a new improved 2:1 multiplexer design. The proposed design demonstrates its superiority against existing 2:1 multiplexer design in terms of power–delay product (PDP), temperature sustainability, noise immunity and frequency. All the post-layout simulations have been perfo...

A thin filament model is used to analyze the stability of a viscoelastic thread subject to uniaxial stretching. Linear stability analysis is carried out for a number of different constitutive models, namely the Johnson–Segalman, Giesekus, Phan–Thien Tanner, and FENE–CR. Our analysis shows that stability is controlled by the competing effects of surface tension which is destabilizing and axial n...