Sören Schenke, Fabian Sewerin, Berend van Wachem and Fabian Denner
Article (2025)
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Abstract
The investigation of nonlinear acoustics requires sophisticated and tailored methods to advance the state of the art. Here we present the software tool Wave-DNA for the simulation of nonlinear acoustic waves emitted by stationary or moving boundaries in quiescent or moving fluids, assuming a one-dimensional or spherically-symmetric geometry. At its core, Wave-DNA is based on the convective Kuznetsov equation, a second-order nonlinear acoustic wave equation that accounts for the background flow and may be reduced to alternative wave equations by applying simplifying assumptions. A tailored finite-difference time-domain method with time-dependent coordinate transformation enables the accurate simulation of acoustic waves emitted by moving boundaries.
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| Additional Information: |
https://github.com/ElsevierSoftwareX/SOFTX-D-24-00360; https://github.com/polycfd/Wave-DNA/blob/main/documentation/WaveDNA-Documentation.pdf |
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| Department: | Department of Mechanical Engineering |
| Funders: | Deutsche Forschungsgemeinschaft (DFG, German Research Foundation), NSERC / CRSNG |
| Grant number: | 441063377, RGPIN-2024-04805 |
| PolyPublie URL: | https://publications.polymtl.ca/63027/ |
| Journal Title: | SoftwareX (vol. 30) |
| Publisher: | Elsevier |
| DOI: | 10.1016/j.softx.2025.102101 |
| Official URL: | https://doi.org/10.1016/j.softx.2025.102101 |
| Date Deposited: | 03 Mar 2025 10:16 |
| Last Modified: | 10 Jan 2026 01:09 |
| Cite in APA 7: | Schenke, S., Sewerin, F., van Wachem, B., & Denner, F. (2025). Wave-DNA: a software tool for simulating nonlinear acoustic waves emitted by moving boundaries. SoftwareX, 30, 102101 (6 pages). https://doi.org/10.1016/j.softx.2025.102101 |
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