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ISSN 在线: 2688-7231

ISBN 打印: 978-1-56700-497-7 (Flash Drive)

ISBN 在线: 978-1-56700-496-0

Proceedings of the 25th National and 3rd International ISHMT-ASTFE Heat and Mass Transfer Conference (IHMTC-2019)
December, 28-31, 2019, IIT Roorkee, Roorkee, India

Adaptive interface Mesh un-Refinement (AiMuR) based Sharp Interface Level Set Method for Stefan Flows

Get access DOI: 10.1615/IHMTC-2019.770
pages 455-460

摘要

Our objective is to develop a Sharp Interface Level Set Method (SI-LSM) based in-house code on a semi-adaptive Cartesian grid - for an improvement in the performance of similar code on a uniform grid [1]. Proposed partial mesh adaption (only for level set field) involves the un-refinement (based on the evolution of the lower dimensional fluid-fluid interface) of the level set control volumes which are in the non-interfacial region. This semi-adaptive un-refinement is solely based on the cell tagging and does not demand implementation of tree data structure. The performance of the SI-LSM on the semi-adaptive grid as compared to a uniform grid is presented for a Stefan problem involving solidification.
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