Feasibility of spectral-element modeling of wave propagation through the anatomy of marine mammals
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arXiv
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| Main Authors: | , , , , |
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| Format: | Preprint |
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2025
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| _version_ | 1866912455921238016 |
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| author | A., Carlos García Boselli, Vladimiro Nooghabi, Aida Hejazi Colombi, Andrea Boschi, Lapo |
| author_facet | A., Carlos García Boselli, Vladimiro Nooghabi, Aida Hejazi Colombi, Andrea Boschi, Lapo |
| contents | This study introduces the first 3D spectral-element method (SEM) simulation of ultrasonic wave propagation in a bottlenose dolphin (Tursiops truncatus) head. Unlike traditional finite-element methods (FEM), which struggle with high-frequency simulations due to costly linear-system inversions and slower convergence, SEM offers exponential convergence and efficient parallel computation. Using Computed Tomography (CT) scan data, we developed a detailed hexahedral mesh capturing complex anatomical features, such as acoustic fats and jaws. Our simulations of plane and spherical waves confirm SEM's effectiveness for ultrasonic time-domain modeling. This approach opens new avenues for marine biology, contributing to research in echolocation, the impacts of anthropogenic marine noise pollution and the biophysics of hearing and click generation in marine mammals. By overcoming FEM's limitations, SEM provides a powerful scalable tool to test hypotheses about dolphin bioacoustics, with significant implications for conservation and understanding marine mammal auditory systems under increasing environmental challenges. |
| format | Preprint |
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arxiv_https___arxiv_org_abs_2506_22944 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Feasibility of spectral-element modeling of wave propagation through the anatomy of marine mammals A., Carlos García Boselli, Vladimiro Nooghabi, Aida Hejazi Colombi, Andrea Boschi, Lapo Computational Engineering, Finance, and Science Sound Audio and Speech Processing Tissues and Organs This study introduces the first 3D spectral-element method (SEM) simulation of ultrasonic wave propagation in a bottlenose dolphin (Tursiops truncatus) head. Unlike traditional finite-element methods (FEM), which struggle with high-frequency simulations due to costly linear-system inversions and slower convergence, SEM offers exponential convergence and efficient parallel computation. Using Computed Tomography (CT) scan data, we developed a detailed hexahedral mesh capturing complex anatomical features, such as acoustic fats and jaws. Our simulations of plane and spherical waves confirm SEM's effectiveness for ultrasonic time-domain modeling. This approach opens new avenues for marine biology, contributing to research in echolocation, the impacts of anthropogenic marine noise pollution and the biophysics of hearing and click generation in marine mammals. By overcoming FEM's limitations, SEM provides a powerful scalable tool to test hypotheses about dolphin bioacoustics, with significant implications for conservation and understanding marine mammal auditory systems under increasing environmental challenges. |
| title | Feasibility of spectral-element modeling of wave propagation through the anatomy of marine mammals |
| topic | Computational Engineering, Finance, and Science Sound Audio and Speech Processing Tissues and Organs |
| url | https://arxiv.org/abs/2506.22944 |