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Search indexed NASA NTRS and DOE OSTI research on propulsion, heat transfer, battery materials and energy systems. Follow report and document links to the original sources.
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Rational approximations to solution of second order nonlinear Ricatti equation, using linear transformations - differential equations and operational calculus
Determining higher order perturbations for lunar orbiter by Krylov-Bololiubov and Poincare methods
Singular nonself-adjoint differential operator of second order eigenvalues
First order iteration process for solutions of simultaneous equations
Plane wave scattering from rough surface with correlated large and small scale orders of roughness
Nonzero bandwidth effects on second order nonlinear optical interactions with submillimeter wavelength applications
Unitary transformations applied to fourth order perturbation theory for energy correction to nondegenerate stationary system
Partially ordered spaces and Newtons method for convex operators
Accuracy study of central finite difference methods in second order boundary value problems using Taylor series
Probable influence of higher order earth gravity in determining equatorial ellipticity of earth from drift of Syncom II over Brazil
Sample quadratic variation of sample continuous second order martingales
Approximate ground state wave function used in variational principle for second order energy
Gravity potential and force field of earth through fourth order to accurately determine spacecraft trajectories
Drift of inclined-orbit 24-hour satellite in earth gravity field through fourth order
Second-order solution for motion of satellite about oblate earth, including second, third, and fourth zonal harmonics - celestial mechanics
Stability criteria for n-th order homogeneous linear differential equations for real continuous functions obtained by Liapunov method
Digital higher order interpolation path controller