STRUCTURAL ANALYSIS Static Stability Vibration Dynamic response (transient, harmonic, random, seismic) General and composite materials Spinning structures Mechanical and thermal loading Linear and nonlinear analysis Automatic mesh generation Sparse matrix storage & multi-frontal solver Optimization LINEAR AERODYNAMICS Aerodynamics influence coefficient matrix computation Panel methods for subsonic and supersonic flows Piston theory for hypersonic flows Gust response & Ride quality simulation COMPUTATIONAL FLUID DYNAMICS (CFD) Compressible/incompressible flow Finite element based Euler and Navier-Stokes solutions Steady and unsteady flow Subsonic, supersonic, and hypersonic flows Lift, drag and moments Pressure, velocities, temperature, and density distribution General geometry and boundary conditions Automatic 2-D and 3-D unstructured grid generation

HEAT TRANSFER General linear/nonlinear analysis General anisotropic material Heat conduction Convection and radiation boundary condition Steady-state and transient phenomena CONTROLS Analog and digital controllers Control law design COUPLED MULTIDISCIPLINARY ANALYSIS (AERO-THERMO-SERVO-ELASTIC-ACOUSTICS) Flutter and divergence, linear & CFD-based Frequency responses, phase, and gain margins Damping and frequencies Digital and analog controllers Hybrid solution approach ARMA modeling Aero-thermo-elastic-acoustics simulation Acoustic wave frequencies and SPL (sound pressure level) (dB) Multi-disciplinary optimization PRE- & POST-PROCESSOR STARS GUI based FE structural model generation Graphical display of analysis results Input data conversion from NASTRAN, I-DEAS, and others