Basic Research in Rotorcraft Technology | Apply Online

FAQs: ONRBAA09 007 (Office of Naval Research) - Basic Research for Rotorcraft Technology

1) What is the funding opportunity number for this solicitation?

The funding opportunity number is ONRBAA09 007.

2) Who is issuing this grant opportunity?

The Office of Naval Research (ONR), within its Naval Air Warfare and Weapons Department (ONR 35), issued the solicitation.

3) What is the main goal of the opportunity?

The main goal is to support basic research that advances fundamental knowledge relevant to rotorcraft technology. The intent is to push underlying science forward in ways that could eventually enable major leaps in Navy rotorcraft capability and broader Department of Defense missions.

4) Is the program intended to build or refine a specific aircraft or prototype?

No. The announcement emphasizes that the core purpose is not to build or refine a specific aircraft, prototype, or near-term product. It is aimed at foundational science and understanding.

5) What kind of research is ONR looking for?

ONR is looking for genuinely innovative, creative basic research that strengthens theoretical understanding, exposes or resolves gaps in current physical and numerical models, and lays a credible foundation for future technology development.

6) What types of proposals are described as out of scope?

Proposals are described as out of scope if they mainly apply standard methods to explore unusual vehicle configurations or evaluate components without generating new scientific insight. The announcement also states that software development by itself is not the objective.

7) Is software development allowed under this solicitation?

Software development by itself is not the objective. However, software can be acceptable if it is used as a vehicle to demonstrate a truly new method or modeling approach consistent with the basic research focus.

8) Does ONR encourage collaboration or technology transfer?

Yes. While the research is meant to be basic in nature, ONR encourages technology transfer and collaboration with the U.S. rotorcraft industry, the U.S. Navy, other government organizations (such as the U.S. Army, NASA, and the FAA), and other academic partners.

9) What are the main research thrust areas in the solicitation?

The solicitation is organized around three thrusts: (1) Advanced Aerodynamics for Ship/Aircraft Dynamic Interface, (2) Aeromechanics, and (3) Structures.

10) Are topics restricted in all thrust areas?

No. For the Advanced Aerodynamics for Ship/Aircraft Dynamic Interface thrust, ONR restricts submissions to specific topic areas listed in the announcement. For Aeromechanics and Structures, ONR provides sample topics to illustrate scope but leaves room for other relevant, high-quality ideas aligned with Navy needs even if not explicitly named.

11) What problem is the Ship/Aircraft Dynamic Interface thrust trying to address?

It targets the challenge of predicting the rotorcraft operating envelope near ships, where complex airwake, turbulence, and ship airflow interactions can create difficult and sometimes hazardous conditions for takeoff, landing, and hover.

12) What shortcomings does ONR identify in current Ship/Aircraft Dynamic Interface simulations?

ONR identifies two major shortcomings: (1) existing simulations struggle to capture the fully coupled, nonlinear aerodynamic interaction between the ship and aircraft, and (2) they cannot run fast enough for design and operational decision support, where real-time execution is considered a minimum target.

13) What is ONR's longer-term performance vision for simulations in this area?

ONR describes a longer-term vision of achieving the fidelity of modern CFD (including rotor and airwake coupling models) at speeds roughly 1,000 times faster than current high-performance computing approaches.

14) What approaches does ONR suggest may be needed to reach that simulation vision?

The announcement implies a need for new physics-based rotor models and radically more efficient numerical methods that take advantage of extremely large-scale parallel computing.

15) What specific topic areas are allowed under the Advanced Aerodynamics for Ship/Aircraft Dynamic Interface thrust?

ONR is only requesting proposals in two areas: (1) helicopter rotor aerodynamics in the near field of structures (with and without ambient wind), and (2) novel, efficient computational approaches to solving the Navier-Stokes equations, including turbulence modeling, massively parallel mathematics, and potentially multidisciplinary coupling such as structures and chemistry.

16) What is the focus of the Aeromechanics thrust?

The Aeromechanics thrust targets fundamental advances in rotorcraft dynamics, aeroelasticity, aerodynamics, and external acoustics to improve performance, safety, survivability, and operating cost.

17) What outcomes does ONR highlight for Aeromechanics research?

Desired outcomes include higher speed, longer range, greater payload capacity, improved high-altitude performance, and reduced vibration and dynamic loads (or reduced weight penalties typically associated with vibration control). Improved handling qualities are also emphasized, especially where they expand operational capability and increase safety and survivability.

18) What are examples of Aeromechanics sample topics listed in the announcement?

Sample topics include enabling concepts for variable geometry, variable speed, and stoppable rotor systems; aerodynamic flow control and on-blade actuation; control algorithms supporting on-blade actuation; unsteady aerodynamics and dynamic stall; aircraft control systems tailored to shipboard operations; hub drag reduction; fixed-system drag reduction and vibration control; and efficient reduced-order modeling approaches that capture key aeromechanics behavior without the full computational cost of high-fidelity simulations.

19) What is the focus of the Structures thrust?

The Structures thrust focuses on rotorcraft-specific structural challenges, particularly those relevant to naval service such as saltwater exposure, strict maintainability demands, and heightened crashworthiness concerns. ONR seeks basic research enabling lighter, more durable, and more damage-tolerant structures with strong fatigue performance and improved ability to withstand harsh environments.

20) How does the announcement connect structural advances to broader innovation?

It frames structural advances as potential enablers for future vehicle concepts and system-level innovations.

21) What are examples of Structures sample topics listed in the announcement?

Sample topics include new and efficient methods to determine remaining useful life in dynamic components and primary structural elements; fracture mechanics-based damage tolerance methods for metallic and composite structures; predictive models for high strain rate progressive failure of composites during high-impact and crash events; methods to assess and improve durability and damage tolerance of composites; analytical techniques to evaluate defects in thick composite components; lightweight corrosion-resistant structural materials and systems suitable for marine environments; and composite structures capable of high post-buckling ratios (listed as 6.0).

22) What is the posted date for the opportunity?

The opportunity was posted on January 23, 2009.

23) What is the closing date for proposals?

The original and current closing date listed is February 20, 2009.

24) What is the archive date for the opportunity?

The archive date listed is March 22, 2009.

25) What is the broad category of this opportunity?

The opportunity is listed under Science and Technology and other Research and Development.

26) What CFDA number is associated with this program?

The solicitation is associated with CFDA 12.300 (Basic and Applied Scientific Research).

27) What types of funding instruments may be used?

Funding instruments could include cooperative agreements, grants, other procurement contracts, and related mechanisms.

28) Is cost sharing required?

No cost sharing requirement is stated in the provided information.

29) Who is eligible to apply?

Eligibility is listed as unrestricted, meaning any entity type could apply as long as it met any clarifications in the full announcement.

30) Who is the business point of contact for access issues?

The listed business point of contact for access issues is Casey Ross.

31) Does ONR provide a link for additional information?

Yes. ONR referenced an additional information link pointing to the broader set of ONR Broad Agency Announcements.

32) What general characteristics would make a proposal stronger based on the announcement language?

Based on the announcement language, stronger proposals would focus on hard, foundational rotorcraft problems; propose new ways to model or understand them; and present a clear path to generating knowledge that could later translate into improved performance, safety, survivability, or cost.