期刊
JOURNAL OF NUMERICAL MATHEMATICS
卷 28, 期 3, 页码 175-192出版社
WALTER DE GRUYTER GMBH
DOI: 10.1515/jnma-2019-0015
关键词
timestepping; finite element; artificial compression
资金
- NSF [DMS1522267, 1817542, CBET 1609120]
- Division Of Mathematical Sciences
- Direct For Mathematical & Physical Scien [1817542] Funding Source: National Science Foundation
This report presents adaptive artificial compression methods in which the time-step and artificial compression parameter epsilon are independently adapted. The resulting algorithms are supported by analysis and numerical tests. The first and second-order methods are embedded. As a result, the computational, cognitive, and space complexities of the adaptive epsilon, k algorithms are negligibly greater than that of the simplest, first-order, constant epsilon, constant k artificial compression method.
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