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Nuclear Nonproliferation Policy
The mission of the Nuclear Nonproliferation Policy Division (NNPD) is to promote the peaceful use of nuclear technology while simultaneously preventing the diversion and misuse of nuclear material and technology through appropriate safeguards and security, and promotion of nuclear nonproliferation policies. To achieve this mission, the objectives of the NNPD are to: Promote policy that discourages the proliferation of nuclear technology and material to inappropriate entities. Provide information to ANS members, the technical community at large, opinion leaders, and decision makers to improve their understanding of nuclear nonproliferation issues. Become a recognized technical resource on nuclear nonproliferation, safeguards, and security issues. Serve as the integration and coordination body for nuclear nonproliferation activities for the ANS. Work cooperatively with other ANS divisions to achieve these objective nonproliferation policies.
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House committee marks up Energy and Water Development bill
The House Appropriations Committee held its full committee markup of the Energy and Water Development bill on July 13. (The Bill Report provides a more detailed funding breakdown.) The final bill passed the committee by a party line vote of 30-21. No schedule for Floor consideration of the bill has been set, but it is likely to happen next week or the week after.
Zachary K. Hardy, Jim E. Morel, Cory Ahrens
Nuclear Science and Engineering | Volume 193 | Number 11 | November 2019 | Pages 1173-1185
Technical Paper | dx.doi.org/10.1080/00295639.2019.1609317
Articles are hosted by Taylor and Francis Online.
In this paper we explore the use of dynamic mode decomposition (DMD) for modeling the kinetics of subcritical metal systems pulsed with fast neutrons. Our ultimate purpose is to obtain a fast and accurate reduced-order model for such systems that can be used to develop an emulator. An alternative to DMD is α-eigenfunction expansions, but we show that DMD is vastly superior in several ways for the systems of interest to us.