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What's New: Past Month

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  1. [Illinois] Reducing Communication Costs for Sparse Matrix Multiplication within Algebraic Multigrid

    04 Feb 2016 | Online Presentations | Contributor(s): Grey Ballard

    We consider the sequence of sparse matrix-matrix multiplications performed during the setup phase of algebraic multigrid. In particular, we show that the most commonly used parallel algorithm is...

    http://nanohub.org/resources/23514

  2. [Illinois] Space-time constrained FOSLS with AMGe upscaling

    04 Feb 2016 | Online Presentations | Contributor(s): Panayot Vassilevski

    We consider time-dependent PDEs discretized in combined space-time domains. We first reduce the PDE to a first order system. Very often in practice, one of the equations of the reduced system...

    http://nanohub.org/resources/23516

  3. [Illinois] Multilevel Markov Chain Monte Carlo for Uncertainty Quantification in Subsurface Flow

    04 Feb 2016 | Online Presentations | Contributor(s): Christian Ketelsen

    The multilevel Monte Carlo method has been shown to be an effective variance reduction technique for quantifying uncertainty in subsurface flow simulations when the random conductivity field can...

    http://nanohub.org/resources/23518

  4. [Illinois] Discretization of Elliptic Differential Equations Using Sparse Grids and Prewavelets

    04 Feb 2016 | Online Presentations | Contributor(s): Christoph Pflaum

    Sparse grids can be used to discretize second order elliptic differential equations on a d-dimensional cube. Using Galerkin discretization, we obtain a linear equation system...

    http://nanohub.org/resources/23520

  5. [Illinois] High Dimensional Uncertainty Quantification via Multilevel Monte Carlo

    04 Feb 2016 | Online Presentations | Contributor(s): Hillary Fairbanks

    Multilevel Monte Carlo (MLMC) has been shown to be a cost effective way to compute moments of desired quantities of interest in stochastic partial differential equations when the uncertainty in...

    http://nanohub.org/resources/23522

  6. [Illinois] Stable Discretizations and Robust Block Preconditioners for Fluid-Structure Interaction Systems

    04 Feb 2016 | Online Presentations | Contributor(s): Kai Yang

    In our work we develop a family of preconditioners for the linear algebraic systems arising from the arbitrary Lagrangian-Eulerian discretization of some fluid-structure interaction models. After...

    http://nanohub.org/resources/23524

  7. [Illinois] Rare Events with Large-Impact: Bioengineering & Clinical Applications of Circulating Tumor Cells

    04 Feb 2016 | Online Presentations | Contributor(s): Mehmet Toner

    Dr. Mehmet Toner is the Helen Andrus Benedict Professor of Biomedical Engineering at the Massachusetts General Hospital (MGH), Harvard Medical School (HMS), and is the co-founding director of the...

    http://nanohub.org/resources/23528

  8. Multiscale Modeling of Graphene-Metal Contacts

    01 Feb 2016 | Online Presentations | Contributor(s): T. Cusati, Gianluca Fiori, A. Fortunelli, Giuseppe Iannaccone

    IWCE 2015 presentation. In this talk we focus on an approach to multiscale modeling of graphene- metal contacts, considering both chemisorbed and physisorbed materials. We show that it is possible...

    http://nanohub.org/resources/22918

  9. [Illinois] Signal Processing at Light Speed: Ultrashort Optical Pulse Generation with Arbitrary Waveforms

    29 Jan 2016 | Online Presentations | Contributor(s): Claire Mcghee

    We aim to further improve early detection of cancer biomarkers, including metal ion and small molecules, using functional DNA as the selective component for photonic crystal surface enhanced Raman...

    http://nanohub.org/resources/23462

  10. [Illinois] Using Photonic Crystals to Enhance SERS Signals for Early Detection of Prostate Cancer

    29 Jan 2016 | Online Presentations | Contributor(s): Caitlin Race

    Prostate cancer is the second most common cancer for men, and the second leading cause of death due to cancer in men. Currently, the most common screening method aims to detect high levels of...

    http://nanohub.org/resources/23464

  11. [Illinois] Manipulating Substrate Topography for Enhanced Myogenic Differentiation of Primary Myoblasts and Neuromuscular Junction Formation

    29 Jan 2016 | Online Presentations | Contributor(s): Eunkyung Ko

    Myogenic commitment of stem cells and primary myoblasts has drawn attention for developing treatments for skeletal muscle diseases. Biophysical cues as well as biochemical cues are known to...

    http://nanohub.org/resources/23466

  12. [Illinois] Cadherin-Modulated Neural Differentiation of Stem Cells for Neuromuscular Junction Engineering

    29 Jan 2016 | Online Presentations | Contributor(s): Ellen Qin

    Recently, efforts are increasingly made to engineer NMJ in vitro for both fundamental and applied bioscience studies. Certain success was made to modulate neural differentiation of stem cells...

    http://nanohub.org/resources/23468

  13. [Illinois] Role for Stiffness in Vascular Fate

    29 Jan 2016 | Online Presentations | Contributor(s): Lian Wong

    Stem cells, including embryonic stem cells (ESC) and induced pluripotent stem cells, have been explored as tools for studying development, as well as, potential sources for a large number of...

    http://nanohub.org/resources/23470

  14. [Illinois] Stretch Induced Hyperexcitability of Mice Callosal Pathway

    26 Jan 2016 | Online Presentations | Contributor(s): Anthony Fan

    Memory and learning are thought to result from changes in synaptic strength. Previous studies on synaptic physiology in brain slices have traditionally been focused on biochemical processes. Here,...

    http://nanohub.org/resources/23456

  15. [Illinois] Synthetic Optical Holography

    26 Jan 2016 | Online Presentations | Contributor(s): Brad Deutsch

    Bradley earned a Ph.D. in Optics in 2011 at the University of Rochester’s Institute of Optics. His research involved nanoscale optics, with a Ph.D. emphasis on phase-shifting...

    http://nanohub.org/resources/23452

  16. [Illinois] Dimeric Trigger Responsive Drug Conjugate for High Loading Nanoencapsulates

    26 Jan 2016 | Online Presentations | Contributor(s): kaimin Cai

    Polymeric micelle is one of the most widely used drug delivery nanomedicine platforms; however, micelle drug delivery systems usually have very low drug loading and poorly defined composition,...

    http://nanohub.org/resources/23454

  17. Thermal Conductivity of III-V Semiconductor Superlattices

    25 Jan 2016 | Online Presentations | Contributor(s): Song Mei, Zlatan Aksamija, Irena Knezevic

    IWCE 2015 presentation. In this work, we calculate the full thermal conductivity tensor in the InGaAs/InAlAs SL system at a specified lattice temperature, considering full phonon dispersions,...

    http://nanohub.org/resources/23177

  18. Study of the Interface Roughness Models using 3D Finite Element Schrödinger Equation Corrected Monte Carlo Simulator on Nanoscaled FinFET

    25 Jan 2016 | Online Presentations | Contributor(s): Daniel Nagy, Muhammad Ali A. Elmessary, Manuel Aldegunde, Karol Kalna

    IWCE 2015 presentation.  Interface roughness scattering (IRS) is one of the key limiting scattering mechanism for both planar and non-planar CMOS devices. To predict the performance of future...

    http://nanohub.org/resources/23299

  19. Adding Trapped Molecules to the Quantum Toolkit

    25 Jan 2016 | Online Presentations | Contributor(s): Brian Odom

    I will discuss techniques we have developed to optically cool rotations of trapped molecular ions, using a single spectrally shaped broadband laser.  I will also discuss our progress toward...

    http://nanohub.org/resources/23394

  20. Calculation of phonon transmission in Si/PtSi heterostructures

    25 Jan 2016 | Online Presentations | Contributor(s): Jung Hyun Oh, Mincheol Shin

    In this work we examine the suppression of phonon transport in another example, Si and SiPt heterostructures (3D). This heterostrucure is be- lieved to have the benefit that the electrical con-...

    http://nanohub.org/resources/23442

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