Anomalous Behavior of Newtonian Hydrodynamics Coupled with Radiation Transport
- Los Alamos National Laboratory (LANL), Los Alamos, NM (United States)
- Texas A&M University, College Station, TX (United States)
This study shows that Newtonian hydrodynamics coupled with radiation transport, using a wide range of methods for treating the material-motion corrections, results in anomalous behavior. In particular, the flow of infinite-medium equilibration will accelerate whenever viewed moving past an observer in the laboratory frame. The acceleration may cause the velocity to increase exponentially in time. An exact fully-relativistic solution is derived to show that there is no acceleration, independent of the reference frame. This solution is analytic and may be used as a validation problem for the simulation of fully-relativistic radiation hydrodynamics.
- Research Organization:
- Los Alamos National Laboratory (LANL), Los Alamos, NM (United States)
- Sponsoring Organization:
- USDOE National Nuclear Security Administration (NNSA), Office of Defense Programs (DP)
- DOE Contract Number:
- 89233218CNA000001
- OSTI ID:
- 1994102
- Report Number(s):
- LA-UR-23-20886; TRN: US2404548
- Country of Publication:
- United States
- Language:
- English
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