2012
DOI: 10.3182/20120215-3-at-3016.00194
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A Limiter for Preventing Singularity in Simplified Finite Volume Methods

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Cited by 5 publications
(9 citation statements)
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“…The computation of h su and h ex switches from one value to the other in equations 2 and 3. In addition to chattering, flow reversals can also result in a singular and non-solvable set of equations, as shown in [24]. A solvability criterion can be expressed as…”
Section: Chattering and Flow Reversalsmentioning
confidence: 99%
See 2 more Smart Citations
“…The computation of h su and h ex switches from one value to the other in equations 2 and 3. In addition to chattering, flow reversals can also result in a singular and non-solvable set of equations, as shown in [24]. A solvability criterion can be expressed as…”
Section: Chattering and Flow Reversalsmentioning
confidence: 99%
“…The enthalpy limiter method is the practical implementation of this constraint in the cell model. It was originally proposed by Schulze et al [24] and implemented in the TIL Modelica library.…”
Section: Chattering and Flow Reversalsmentioning
confidence: 99%
See 1 more Smart Citation
“…Flow reversals and/or highly transient system boundary conditions can also result in unsolvable systems of equations, leading, once again, to low simulation speeds or to simulation failures [6].…”
Section: Introductionmentioning
confidence: 99%
“…This method has proven to reduce the simulation time up to 85% with a limited error, less than 2% in density and 0.6% in specific enthalpy. In [6], an enthalpy limiter method is presented, whose purpose is to avoid an unsolvable system of equations, due to flow reversals or other issues. This imposes a lower boundary on a cell inlet enthalpy and constitutes an effective way to enable the simulation under those critical boundary conditions.…”
Section: Introductionmentioning
confidence: 99%