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InTheLoop

The weekly newsletter for Berkeley Lab Computing Sciences
Tuesday, August 6, 2019

Saving Energy on the Automotive Assembly Line

Berkeley Lab, Industry Partner Tackle the Most Energy Intensive Step in Making Cars: Painting

Visualization of paint model
High-resolution petascale modeling of liquid atomization is being developed to study how cars can be painted using less energy. (Credit: Robert Saye, Berkeley Lab)

One of the world’s largest paint manufacturers, PPG, and applied mathematicians in Berkeley Lab's Computational Research Division (CRD) have teamed up to reduce energy consumption in automotive manufacturing by optimizing paint design and application. Using computer simulation, the HPC4Mfg partners can vary factors that affect energy use and paint application quality, such as paint viscosity, density, surface tension, and the design of paint spraying equipment. The models will offer insights into how to improve the most energy-intensive process on the car assembly line.

Summer Students Wrap Up with Poster Session
Last week, Computing Sciences' record-breaking cadre of summer student researchers presented posters about their work here at the lab. Some phtotos of the event are available in an online slideshow. Full resolution photos will be available for download shortly.
Conceptual illustration

Simulations Identify Hydrogen as a Culprit in Capacity Loss of Sodium-Ion Batteries

Sodium-ion batteries, increasingly being studied as alternatives to their more expensive lithium-based siblings, are also shorter-lived. UC Santa Barbara computational materials scientist Chris Van de Walle and colleagues ran simulations at NERSC to uncover a reason for the loss of capacity that occurs over time in sodium batteries. They found that the unintended presence of hydrogen is a factor: It leads to degradation of the battery electrode.
CRD Researchers Nominated for Best Paper
at ICPP2019
Mauro Del Ben, Osni Marques, and Andrew Canning of the Computational Research Division are developing new Eigensolver algorithms based on an iterative approach using an unconstrained energy functional scheme to improve scaling on parallel computing architectures. Their research is being recognized with a best paper nomination at the International Conference on Parallel Processing (ICPP2019) taking place this week in Kyoto, Japan.

Attention InTheLoop Readers

The CS Communications team is planning a few strategic changes to the Area newsletters. Stayed tuned for details in next week's issue.

CS Welcomes New Staff in June and July

In June and July, we welcomed to Computing Sciences (clockwise from top left) Melinda Jacobsen (NERSC), Wenjing Wang (CRD), John Christman (ESnet), Ian Humphrey (CRD), Daniel Waters (CRD), Jeffrey Berman (ESnet), and Brian Eschen (ESnet).

This Week's CS Seminars

»CS Seminars Calendar

Link of the Week: Designing Future Flash Storage Systems for HPC and Beyond

NERSC's Glenn Lockwood recently gave a talk at the Samsung Forum. Video of the talk, "Designing Future Flash Storage Systems for HPC and Beyond," is available on YouTube.
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