Sandia expands software billed as “Swiss Army knife” of nuclear system safety

August 30, 2021, 3:00PMNuclear News
Sandia's Brad Beeny (left) and Larry Humphries examine remnants from a series of lower head failure experiments. Results from these and other experiments are used to inform nuclear accident modeling computer code. (Photo: Randy Montoya)

Researchers at Sandia National Laboratories have been expanding MELCOR—the severe accident modeling computer code used by the Nuclear Regulatory Commission to evaluate the safety of light water reactors—to study the small modular reactors and non-light-water advanced reactors that are under development. An article published in Sandia Lab News on August 27 describes in detail how MELCOR is being expanded to work with different reactor geometries, fuel types, and coolant systems.

To continue reading, log in or create a free account!

Related Articles

DOE secretary testifies on FY 2027 budget

April 22, 2026, 10:40AMNuclear News

Energy Secretary Chris Wright has spent the past week courting members of Congress to approve his agency’s $53.9 billion discretionary budget request for fiscal year 2027. On Tuesday, Wright...

CEO and CFO of Fermi America step down

April 22, 2026, 7:56AMNuclear News

On Friday, two of the four cofounders at Fermi America unexpectedly exited their roles at the company. Those were Toby Neugebauer, former CEO and chairman of the board of directors, and Miles...

OSTP memo guides space nuclear plan

April 16, 2026, 12:00PMNuclear News

A White House Office of Science and Technology Policy (OSTP) memorandum released on Tuesday guides NASA, the Department of Energy, and the Department of Defense on their roles in deploying...