Solution of a two-dimensional Cochlea model with fluid viscosity
SIAM Journal on Applied Mathematics
A computational model of the cochlea using the immersed boundary method
Journal of Computational Physics
Improved volume conservation in the computation of flows with immersed elastic boundaries
Journal of Computational Physics
Parallel Languages and Compilers: Perspective From the Titanium Experience
International Journal of High Performance Computing Applications
A supramodal vibrissa tactile and auditory model for texture recognition
SAB'10 Proceedings of the 11th international conference on Simulation of adaptive behavior: from animals to animats
Stochastic Eulerian Lagrangian methods for fluid-structure interactions with thermal fluctuations
Journal of Computational Physics
An architecture for a data-intensive computer
Proceedings of the first international workshop on Network-aware data management
A Weak Formulation of the Immersed Boundary Method
SIAM Journal on Scientific Computing
Approximation of Single Layer Distributions by Dirac Masses in Finite Element Computations
Journal of Scientific Computing
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The human cochlea is a remarkable device, able to discern extremely small amplitude sound pressure waves, and discriminate between very close frequencies. Simulation of the cochlea is computationally challenging due to its complex geometry, intricate construction and small physical size. We have developed, and are continuing to refine, a detailed three-dimensional computational model based on an accurate cochlear geometry obtained from physical measurements. In the model, the immersed boundary method is used to calculate the fluid-structure interactions produced in response to incoming sound waves. The model includes a detailed and realistic description of the various elastic structures present. In this paper, we describe the computational model and its performance on the latest generation of shared memory servers from Hewlett Packard. Using compiler generated threads and OpenMP directives, we have achieved a high degree of parallelism in the executable, which has made possible several large scale numerical simulation experiments that study the interesting features of the cochlear system. We show several results from these simulations, reproducing some of the basic known characteristics of cochlear mechanics.