Abstract
In Inertial Confinement Fusion (ICF) studies, the development of a multi-dimensional hydrodynamic computational code with the sophisticated physics of high temperatures and densities is essential to promote the research. A two-dimensional integrated ICF simulation code, ILESTA-2D, which includes physical models of thermal relaxation, multi-group radiation transport, realistic equation of state, laser absorption, etc. has been developed by one of the authors. Recently, some modifications of the code have been carried out to improve the reliability of numerical simulations and increase the robustness against numerical algorithms. In this work, two parts of the numerical methods were mainly improved. One is a rezoning/remapping algorithm, in which the Arbitrary Lagrangian Eulerian method (ALE) was applied to keep accuracy in space and time without a tangled computational mesh. Also, the use of numerical algorithms in solving diffusion-type equations was improved with a nine-point approximation algorithm. These numerical algorithms and the computational results of Rayleigh–Taylor instability solved by the new ILESTA-2D are presented in this paper.
Sign-in/Register to access full text options 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
