Optimised prefactored compact schemes for linear wave propagation phenomena
- Submitting institution
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The University of Leicester
- Unit of assessment
- 12 - Engineering
- Output identifier
- 1499
- Type
- D - Journal article
- DOI
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10.1016/j.jcp.2016.10.014
- Title of journal
- Journal of Computational Physics
- Article number
- YJCPH6892
- First page
- 66
- Volume
- 328
- Issue
- -
- ISSN
- 0021-9991
- Open access status
- Compliant
- Month of publication
- October
- Year of publication
- 2016
- URL
-
-
- Supplementary information
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https://doi.org/10.1016/j.jcp.2016.10.014
- Request cross-referral to
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- Output has been delayed by COVID-19
- No
- COVID-19 affected output statement
- -
- Forensic science
- No
- Criminology
- No
- Interdisciplinary
- No
- Number of additional authors
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4
- Research group(s)
-
-
- Proposed double-weighted
- No
- Reserve for an output with double weighting
- No
- Additional information
- Spatial and temporal coefficients of prefactored compact finite-difference time-marching schemes are determined given a numerical error target with minimised computational cost. The significance of this approach is that it enables modellers to compare design options for linear wave physics under a common safe numerical error level. Designing such stencils makes the method ideal for safety-critical modelling, like the interpretation of ultrasound measurements for the Generation IV French nuclear reactors, [Mangaso 2018]. The joint spatio-temporal optimization assumes a-priori a physical dispersion relation [Brambley & Petronilia 2019], which prompted Deshpanade et al (2019) to pursue an improved numerical method optimization framework.
- Author contribution statement
- -
- Non-English
- No
- English abstract
- -