Modeling & simulation research

News and Updates

Man with beard and glasses in light grey sweater sitting on the right looking at computer screen on the left, with mass of blue wires in the foreground.

Encouraging Coexistence: NIST Model Cuts Measurement Needs for Spectrum Sharing by About 33%

August 12, 2021

Researchers at the National Institute of Standards and Technology (NIST) have developed a modeling technique that can save time and money in estimating how to

A woman wearing a face mask works at a laptop with communications equipment on the desk.

Spotlight: Finding the Fix to Wireless Connectivity on the Fritz With Susanna Mosleh

June 29, 2021

When the Wi-Fi is wonky or there’s bad cellphone reception, Susanna Mosleh can’t ignore it. After all, her research at NIST is about finding solutions to those

NIST Publishes a Beginner’s Guide to DNA Origami

January 8, 2021

In a technique known as DNA origami, researchers fold long strands of DNA over and over again to construct a variety of tiny 3D structures, including miniature

Projects and Programs

Optical and Optoelectronic Materials Characterization

This project aims to develop rigorous measurements and methodology needed for determining optical and electrical properties of advanced materials that might be

Thermodynamic & Kinetic Data for Sustainable Energy

Industry needs thermodynamic and kinetic data for the development of new materials for sustainable energy applications; expanded and new databases are needed

Sensing and Imaging of concealed objects

Emergency response, law enforcement and military personnel must face threats and dangerous situations as part of their jobs. These threats can vary from knives

Precursor Material Qualification

The lack of repeatable process outcomes from additive manufacturing (AM) has been broadly acknowledged as an impediment to widespread implementation. While most

Publications

A quantitative model for the bipolar amplification effect: A new method to determine semiconductor/oxide interface state densities

October 6, 2021

Author(s)

James Ashton, Stephen Moxim, Ashton Purcell, Patrick Lenahan, Jason Ryan

We report on a model for the bipolar amplification effect (BAE), which enables defect density measurements utilizing BAE in metal-oxide-semiconductor field

On the Benefits of Whole-building IAQ, Ventilation, Infiltration, and Energy Analysis Using Co-simulation between CONTAM and EnergyPlus

September 13, 2021

Author(s)

William Stuart Dols, Chad Milando, Lisa Ng, Steven Emmerich, Jyrteanna Teo

Publicly available tools to perform whole-building simulation of indoor air quality, ventilation, and energy have been available for several decades. Until

Macroscale Property Prediction for Additively Manufactured IN625 from Microstructure through Advanced Homogenization

July 30, 2021

Author(s)

Sourav Saha, Orion Kafka, Ye Lu, Cheng Yu, Wing Kam Liu

Design of additively manufactured metallic parts requires computational models that can predict the mechanical response of parts considering the microstructural

A System for Validating Resistive Neural Network Prototypes

July 27, 2021

Author(s)

Brian Hoskins, Mitchell Fream, Matthew Daniels, Jonathan Goodwill, Advait Madhavan, Jabez J. McClelland, Osama Yousuf, Gina C. Adam, Wen Ma, Muqing Liu, Rasmus Madsen, Martin Lueker-Boden

Building prototypes of heterogeneous hardware systems based on emerging electronic, magnetic, and photonic devices is an increasingly important area of research

Software

Smart Investment Tool

June 16, 2021

This tool calculates metrics for investment analysis documented in NIST Advanced manufacturing Series 200-5. It calculates net present value, internal rate of

HVAC SIMulation PLUS other systems (HVACSIM+)

May 11, 2021

The first version of HVACSIM+, which stands for “HVAC SIMulation PLUS other systems”, was introduced by National Institute of Standards and Technology (NIST) in

VCCTL Software

(Return to Cement Hydration and Degradation Modeling Software) The Virtual Cement and Concrete Testing Laboratory (VCCTL) software provides a virtual testing

Network Modeling Software

This software is a set of NetworkX additions for the creation of graphs to model networks.Graphicality Testing -- This is a set of routines for testing if a

Tools and Instruments

Large Aperture Scanner

The Large Aperture Scanner (LAS) scans a radar transceiver over a 5 meter by 20 meter aperture. Image reconstruction techniques enable a three-dimensional

Awards

Xiao Tang - 2016 Fellow of the American Physical Society

For outstanding contributions in optical technologies and systems, with application to quantum communications, spectrometry, and digital