Modeling & simulation research

News and Updates

Hooked on Photonics? Math to the Rescue

September 28, 2022

Photonic thermometers – which measure temperature using light – have been around in optical fiber form for decades. These devices, called fiber Bragg gratings

Illustrated cube has crystal framework in gray with red balls interspersed in the open spaces.

To Remove CO₂ From the Atmosphere, Imagine the Possibilities

August 24, 2022

Computer simulation methods from NIST help speed up the search for carbon capture materials.

test set up "Supervisor" wirelessly synchronizes timing of two robots' movements

NIST and Industry Researchers Make Advances in Wireless Time-Sensitive Networking

July 1, 2022

Advances in the Internet of Things and artificial intelligence are part of a new industrial revolution to make manufacturing faster, better, and cheaper. These

Projects and Programs

Optical and Optoelectronic Materials Characterization

Ongoing

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

Figure 1. Class of optical setup considered in this work. The aperture can be limiting (as shown in this case) or nonlimiting.

Diffraction effects in radiometry

Ongoing

We want to quantify the breakdown of geometrical optics when computing the throughput of optical systems for the purpose of calculating "diffraction corrections

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µMAG: Micromagnetic Modeling Activity Group

Ongoing

Micromagnetics concerns the patterns of magnetization that arise in materials on the scale of nanometers. Understanding these structures is key to technologies

Thermodynamic & Kinetic Data for Sustainable Energy

Completed

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

Publications

Encouraging and Enabling Mutual Ownership in a RSE Community of Practice

November 21, 2022

Author(s)

Miranda Mundt, Jonathan Bisila, Jonathan E. Guyer, Daniel Howard, Daniel S. Katz, Reed Milewicz, Henry Schreiner, Joshua Teves, Chris Wiswell

The explosion of Research Software Engineers (RSEs) in the United States created the opportunity to form communities of practice (CoP), groups which share a

Learning Data-Driven Model of Damped Coupled Oscillators from System Impulse Response

October 28, 2022

Author(s)

Jacob Fabro, Gregory W. Vogl, Yongzhi Qu, Reese Eischens

Data-driven modeling of dynamical systems has drawn much research attention recently, with the goal of approximating the underlying governing rules of a

Leveraging Theory for Enhanced Machine Learning

August 26, 2022

Author(s)

Debra Audus, Austin McDannald, Brian DeCost

The application of machine learning to the materials domain has traditionally struggled with two major challenges: a lack of large, curated data sets and the

Investigating Statistical Correlation Between Multiple In-Situ Monitoring Datasets for Powder Bed Fusion Additive Manufacturing

August 24, 2022

Author(s)

Zhuo Yang, Yan Lu, Milica Perisic, Yande Ndiaye, Adnan Gujjar, Fan-Tien Cheng, Haw-Ching Yang

In-situ measurements provide vast information for additive manufacturing process understanding and real-time control. Data from various monitoring techniques

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

Simantha - Simulation for Manufacturing

Simantha is a discrete event simulation package written in Python that is designed to model the behavior of discrete manufacturing systems. Specifically, it

VCCTL Software

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

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