# Advanced Simulation and Computing **Entity class:** Technology, method, or technical system **Domain:** Austin Research / Programs **Doc Type:** Research entity **Source basis:** Supplied research cluster with linked references; see the [[wiki/Austin Research Evidence Map|evidence map]] for verification scope. **Advanced Simulation and Computing (ASC)** supplies [[wiki/National Nuclear Security Administration|NNSA]] simulation capabilities and computing resources for stockpile assessment, aging studies, life-extension work, accident scenarios, and related analysis. It oversees [[wiki/Predictive Science Academic Alliance Program|PSAAP]]’s academic research. ASC links physical experiments, numerical models, software, and high-performance computing to decisions about complex nuclear systems. The Austin significance is the methodological demand imposed on [[wiki/PECOS|PECOS]]: a calculation must come with evidence about its accuracy and uncertainty for the intended use. The corpus’s wider interpretation follows this discipline into [[wiki/Digital Twin|digital twins]] and other executable models. A historical origin in stockpile science is different from the mission and authority of a later medical or civilian application. ## Connected entries [[wiki/National Nuclear Security Administration|National Nuclear Security Administration]] · [[wiki/Predictive Science Academic Alliance Program|Predictive Science Academic Alliance Program]] · [[wiki/PECOS|PECOS]] · [[wiki/Verification Validation and Uncertainty Quantification|Verification Validation and Uncertainty Quantification]] · [[wiki/Nuclear Stockpile Stewardship|Nuclear Stockpile Stewardship]] ## Sources and corpus context - [[research/The Austin Executable Loop|The Austin Executable Loop — master document]] - [NNSA Announces Selection of the Next Round of Predictive Science Academic Alliance Program Centers](https://www.energy.gov/nnsa/articles/nnsa-announces-selection-next-round-predictive-science-academic-alliance-program) - [Overview of NNSA Programs for Students and Principal Investigators](https://www.energy.gov/nnsa/overview-nnsas-programs-students-and-principal-investigators) - [U.S. Nuclear Weapon Computer Simulations](https://2009-2017.state.gov/t/avc/rls/202014.htm) **Cluster:** [[wiki/Austin Executable Loop|Austin Executable Loop]] · [[wiki/Austin Research Evidence Map|Austin Research Evidence Map]] ## Relationships <!-- BEGIN HUMANIZED RELATIONSHIPS 2026-09-11 --> This entry's documented connections are expressed in its definition and related-work routes, with provenance retained in the source-linked material. <!-- END HUMANIZED RELATIONSHIPS 2026-09-11 --> ## Austin defense-technology role Nuclear-security computing program supports simulation needed for stockpile stewardship. The article identifies it as the mission context for the predictive-science university lineage. Nuclear-stockpile requirements supplied a consequential setting for predictive computation. Verification addresses the implementation, validation compares the model with physical evidence, and uncertainty analysis qualifies the decision. The university research lineage connects national laboratories, UT methods, TACC computation, and experiments without treating a successful method in one domain as automatic validation in another. ### Regional relationships - **technical or institutional context:** [[wiki/National Nuclear Security Administration|National Nuclear Security Administration]]. - **technical or institutional context:** [[wiki/Nuclear Stockpile Stewardship|Nuclear Stockpile Stewardship]]. - **regional master router:** [[wiki/Austin Defense Technology|Austin Defense Technology]]. - **source article:** [[articles/How Austin Became a Different Kind of Defense Tech Epicenter|How Austin Became a Different Kind of Defense Tech Epicenter]]. - **civilian supplier and participation economy:** [[collections/The Civilian Intelligence Marketplace|The Civilian Intelligence Marketplace]]. - **intelligence architecture:** [[collections/Terrorism, Counterterrorism, and the Intelligence Environment|Terrorism, Counterterrorism, and the Intelligence Environment]]. ### Austin sources - [[articles/How Austin Became a Different Kind of Defense Tech Epicenter#The Executable Loop|Austin defense-tech article — The Executable Loop]] — October 2026 revision; source for this entry’s regional role. - [U.S. Department of Energy, Timeline of Events: 2008](https://www.energy.gov/lm/timeline-events-2008) - [UT News, Predictive Science Research Gets Major Boost Thanks to the Department of Energy](https://news.utexas.edu/2020/10/05/predictive-science-research-gets-major-boost-thanks-to-the-department-of-energy/) ## Connected Austin capabilities [[wiki/National Nuclear Security Administration|National Nuclear Security Administration]], [[wiki/Nuclear Stockpile Stewardship|Nuclear Stockpile Stewardship]]. These entries identify associated implementations, people, methods, and institutional contexts in [[articles/How Austin Became a Different Kind of Defense Tech Epicenter|How Austin Became a Different Kind of Defense Tech Epicenter]]. [[wiki/Austin Defense Technology|Austin Defense Technology]] supplies their regional arrangement; [[collections/The Civilian Intelligence Marketplace|The Civilian Intelligence Marketplace]] supplies the wider supplier and participation economy.