Validation of a computational model of bone conduction sound reception in mysticetes
Petr Krysl, Margaret A. Morris, John A. Hildebrand, Ted W. Cranford
TL;DR
This paper validates a computational model of sound reception in gray whales using experiments and similarity metrics, showing reasonable agreement despite some limitations.
Contribution
The study presents a biomechanical model validation for mysticete sound reception using experimental data from a gray whale skull.
Findings
The models showed reasonable agreement with experimental data despite not achieving high-quality agreement.
Material property variations had modest effects on model similarity.
The mismatch in acoustic wave assumptions posed a significant challenge to model accuracy.
Abstract
Computational models serve as useful complements to physical experiments, but they require validation to build confidence in their applicability. This study outlines the validation of biomechanical models for mysticete sound reception, specifically using experiments involving an instrumented gray whale skull exposed to underwater sound. Detailed descriptions of the models are provided. The models were evaluated using a set of similarity metrics applied to both measured and computed frequency response functions. While high-quality agreement was not achieved, the models corresponded reasonably well with observed experimental data. A sensitivity analysis examined the models’ responses to variations in input material properties. Although these changes in material properties influenced model response, they accounted for only modest changes in similarity. A more significant challenge to…
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Taxonomy
TopicsMarine animal studies overview · Underwater Acoustics Research · Ear Surgery and Otitis Media