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Advanced Finite Element Model Development for Characterization and Mitigation…

Award Information

Department of Defense
Air Force
Award ID:
Program Year/Program:
2007 / STTR
Agency Tracking Number:
Solicitation Year:
Solicitation Topic Code:
Solicitation Number:
Small Business Information
Adaptive Technologies, Inc.
2020 Kraft Drive Suite 3040 Blacksburg, VA -
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Woman-Owned: No
Minority-Owned: No
HUBZone-Owned: No
Phase 2
Fiscal Year: 2007
Title: Advanced Finite Element Model Development for Characterization and Mitigation of Bone Conducted Sound Transmission in High Noise Environments
Agency / Branch: DOD / USAF
Contract: FA9550-07-C-0088
Award Amount: $749,798.00


Improved understanding of mechanisms controlling bone conduction (BC) sound transmission, especially with respect to acoustic excitation, is urgently needed in order to develop more effective hearing protection in extremely high noise fields. The Phase I research program made great progress toward this goal by yielding new insights into a mechanism believed to be a significant contributor to BC sound transmission. This has been achieved through FE simulation modeling in conjunction with bioacoustic experiments using human cadaver temporal bone specimens, as well as with a psychoacoustic experiment. Phase II research will continue to build upon and extend the Phase I research methodologies and tools in order to obtain a more complete understanding of vibro-acoustic mechanisms that affect BC sound transmission. Furthermore, based on the improved knowledge of BC sound transmission obtained during Phase I, several potential approaches for controlling a specific BC mechanism have been proposed. The performance characteristics of the BC sound mitigation approaches will be investigated using the developed research tools. One mitigation approach judged to be the most effective and practically feasible will be implemented into a prototype to be tested psycho-acoustically using actual subjects.

Principal Investigator:

Kenji Homma
Research Scientist

Business Contact:

Mike Vaudrey
Vice President
Small Business Information at Submission:

2020 Kraft Drive Suite 3040 Blacksburg, VA 24060

EIN/Tax ID: 541688539
Number of Employees:
Woman-Owned: No
Minority-Owned: No
HUBZone-Owned: No
Research Institution Information:
Office of Sponsored Research
Stanford, CA 94305 4125
Contact: Catherine Boxwell
Contact Phone: (650) 725-6864
RI Type: Nonprofit college or university