SDI Engineering supports a global client base and offers a diverse range of services through the application of mathematical modeling, simulation and analysis, and niche engineering skills. The company utilizes commercial software tools including Femap, Patran, NASTRAN, Abaqus, MATLAB, Simulink, Simscape Multibody, Simscape Fluids, SolidWorks, StressCheck and other various programs. We have also developed our own proprietary software tools under multiple US government SBIR/STTR research and development awards. The company has over 25 years of experience providing support to a range of customers including major aircraft OEMs, their suppliers, and other small business firms. The company is actively involved in SBIR/STTR research and development programs, in various disciplines related to the aeronautical industry. SDI has supported numerous customers including Boeing, Airbus, Cobham, Bridgestone, Atkins Aerospace, US Navy, US Air Force, US Army, NASA, and various small to mid-sized companies. SDI’s engineering services cover applied areas in aeroelastics including loads and dynamics and flutter; modeling and simulation including finite element modeling; and related advanced R&D activities. SDI offers additional related capabilities including flight test support, ground vibration testing, and certification reporting. The company has developed it's own proprietary software tools that can be used for analysis or licensed to outside parties with specific applications in landing gear, and aerial refueling analysis. The company works closely with several integrated company partners, offering an established and larger team of engineers. These engineering services can be provided both onsite at the customer, or directly from our office located in Bellevue, Washington.