Calculation of Head Related Transfer Functions of bats using the Boundary Element Method

Peter Møller Juhl, Vicente Cutanda Henriquez, Dieter Vanderelst

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review



ChiRoPing (Chiroptera, Robots, and Sonar) is an EU-funded research project aimed at understanding how bats use their echolocation perception ability and apply this knowledge to the design of new robotic senses. Four species of bats are selected for the study and models of their heads including minute details of ears, mouth and nose are obtained through CT scans. The project involves, among other things, the use of numerical methods on such scanned models to study the role of their features in the bat sensorial performance. As the bats operate at very high frequencies and as their ears and noses are very complicated and involve thin surfaces, the numerical modelling is challenging. The paper reports preliminary results of the numerical study and investigates the possibilities of reducing the computational complexity of the models.

Original languageEnglish
Title of host publicationProceedings of the International Conference on Acoustics NAG/DAGA 2009
Number of pages4
PublisherGerman Acoustical Society (DEGA)
Publication date2009
ISBN (Electronic)978-3-9808659-6-8
Publication statusPublished - 2009
Externally publishedYes


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