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Introduction to Parallel Programming with MPI
Online Presentations | 24 Nov 2008 | Contributor(s):: David Seaman
Single-session course illustrating message-passing techniques. The examples include point-to-point and collective communication using blocking and nonblocking transmission. One application illustrates the manager/worker model with buffered communications. Code examples provided in C, C++, Fortran...
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Introduction to TotalView
Online Presentations | 24 Nov 2008 | Contributor(s):: David Seaman
This single-session course presents an introduction to the use of the TotalView parallel debugger available on Purdue's Linux systems.
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Is Seeing Believing? How to Think Visually and Analyze with Both Your Eyes and Brain
Online Presentations | 26 Mar 2007 | Contributor(s):: David Ebert
This presentation will cover the basic techniques, and some of the available tools, for visualization, and will explain how to avoid miscommunicating information from visualizations.
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Jupyter Notebooks for Scientific Programming
Online Presentations | 06 Jan 2017 | Contributor(s):: Martin Hunt
An overview of using Jupyter Notebooks for conveying scientific information.
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Katsu Kafe
Groups
Katsu Kafe is Katsujinken Foundations work-space for computational nanotechnology research, education, and collaboration. It is the prerequisite for employment on our High Performance Computing...
https://nanohub.org/groups/katsujinkenfoundation
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Lecture 3: Integration Algorithms
Presentation Materials | 05 Jan 2010 | Contributor(s):: Ashlie Martini
Topics:General guidelinesVerlet algorithmPredictor-corrector methods
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Lecture 6: Neighbor Lists
Presentation Materials | 05 Jan 2010 | Contributor(s):: Ashlie Martini
Topics:Saving simulation timeVerlet listsCell lists
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Machine learned approximations to Density Functional Theory Hamiltonians - Towards High-Throughput Screening of Electronic Structure and Transport in Materials
Online Presentations | 13 Dec 2016 | Contributor(s):: Ganesh Krishna Hegde
We present results from our recent work on direct machine learning of DFT Hamiltonians. We show that approximating DFT Hamiltonians accurately by direct learning is feasible and compare them to existing semi-empirical approaches to the problem. The technique we have proposed requires little...
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Machine Learning with MATLAB
Online Presentations | 11 Mar 2022 | Contributor(s):: Gaby Arellano Bello
In this session, we explore the fundamentals of machine learning using MATLAB. We introduce machine learning techniques available in MATLAB to quickly explore your data, evaluate machine learning algorithms, compare the results and apply the best technique to your problem.
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MATLAB Scripts for "Quantum Transport: Atom to Transistor"
Downloads | 15 Mar 2005 | Contributor(s):: Supriyo Datta
Tinker with quantum transport models! Download the MATLAB scripts used to demonstrate the physics described in Supriyo Datta's book Quantum Transport: Atom to Transistor. These simple models are less than a page of code, and yet they reproduce much of the fundamental physics observed in...
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MCW07 Electronic Level Alignment at Metal-Molecule Contacts with a GW Approach
Online Presentations | 05 Sep 2007 | Contributor(s):: Jeffrey B. Neaton
Most recent theoretical studies of electron transport in single-molecule junctions rely on a Landauer approach, simplified to treat electron-electron interactions at a mean-field level within density functional theory (DFT). While this framework has proven relatively accurate for certain systems,...
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MCW07 Simple Models for Molecular Transport Junctions
Online Presentations | 13 Sep 2007 | Contributor(s):: Misha Galperin, Abraham Nitzan, Mark Ratner
We review our recent research on role of interactions in molecular transport junctions. We consider simple models within nonequilibrium Green function approach (NEGF) in steady-state regime.
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Mechanical Properties of Surfactant Aggregates at Water-Solid Interfaces
Online Presentations | 05 Apr 2006 | Contributor(s):: Patrick Chiu, Kunal Shah, Susan Sinnott
This is a talk on the mechanical properties of surfactant aggregates at water-solid interfaces using Micelle-MD. This includes silica indentations of micelles with comparison to experimental data and graphite indentation of Micelle.
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Memory-Efficient Particle Annihilation Algorithm for Wigner Monte Carlo Simulations
Online Presentations | 10 Feb 2016 | Contributor(s):: Paul Ellinghaus
IWCE 2015 presentation. The Wigner Monte Carlo solver, using the signed-particle method, is based on the generation and annihilation of numerical particles. The memory demands of the annihilation algorithm can become exorbitant, if a high spatial resolution is used, because the entire discretized...
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Modeling and Analysis of VLSI Interconnects
Online Presentations | 10 May 2007 | Contributor(s):: Cheng-Kok Koh
With continual technology scaling, the accurate and efficient modeling and simulation of interconnect effects have become problems of central importance. In order to accurately model the distributive effects of interconnects, it is necessary to divide a long wire into several segments, with each...
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Modeling and Simulation of Sub-Micron Thermal Transport
Online Presentations | 26 Sep 2005 | Contributor(s):: Jayathi Murthy
In recent years, there has been increasing interest in understanding thermal phenomena at the sub-micron scale. Applications include the thermal performance of microelectronic devices, thermo-electric energy conversion, ultra-fast laser machining and many others. It is now accepted that Fourier's...
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Molecular Dynamics Simulations with the Second-Generation Reactive Empirical Bond Order (REBO) Potential
Online Presentations | 02 Apr 2006 | Contributor(s):: Wen-Dung Hsu, Susan Sinnott
In this presentation, the molecular dynamics (MD) simulation will be introduced first. The applications of MD simulation, the procedure of MD simulation and some speed-up methods in MD simulation will be talked. Then the bond order potentials which are capable to predict bond breaking and new...
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Molecular Transport Structures: Elastic Scattering, Vibronic Effects and Beyond
Online Presentations | 13 Feb 2006 | Contributor(s):: Mark Ratner, Abraham Nitzan, Misha Galperin
Current experimental efforts are clarifying quite beautifully the nature of charge transport in so-called molecular junctions, in which a single molecule provides the channel for current flow between two electrodes. The theoretical modeling of such structures is challenging, because of the...
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MOSCNT: code for carbon nanotube transistor simulation
Downloads | 14 Nov 2006 | Contributor(s):: Siyu Koswatta, Jing Guo, Dmitri Nikonov
Ballistic transport in carbon nanotube metal-oxide-semiconductor field-effect transistors (CNT-MOSFETs) is simulated using the Non-equilibrium Green’s function formalism. A cylindrical transistor geometry with wrapped-around gate and doped source/drain regions are assumed. It should be noted that...
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Myron DSilva
https://nanohub.org/members/182103