Difference equations to approximate ordinary differential equations
Difference equations for approximating ordinary differential equations
Hammond, J. L., Jr.↗
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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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Thermodynamics of a Heisenberg ferromagnet in the random phase approximation
Green function used for thermodynamic model of Heisenberg ferromagnet in random phase approximation
Flax, L.↗
Computer program describing turbine aerodynamic requirements, approximate external blade geometries, and coolant flow requirements for a two stage axial flow turbine
Computer program to generate turbine aerodynamic requirements, approximate external blade geometries, and coolant flow requirements for two stage axial flow turbine
Evans, D. G.↗
Approximate intervals and tests for products and ratios of binomial probabilities
Approximate confidence interval and tests for products and ratios of binomial probabilities with application in investigating and comparing system reliabilities
Walsh, J. E.↗
A noniterative method of obtaining Tchebycheff rational approximations
Noniterative method of obtaining rational forms as approximations to functions for power series expressions using Tchebycheff polynomial properties for improving accuracy
Hagar, H., Jr.↗
Uniform approximations for shocks generated by thin nonlifting rectangular wings
Flow field approximation for sonic boom shock wave generation by thin nonlifting rectangular wing
Davis, S. S.↗
A method for approximating the eigenvalues of non self-adjoint ordinary differential operators
Eigenvalue approximation method for non-self-adjoint operators using Galerkin method for estimating eigenvalue perturbations of self-adjoint operators
Osborn, J. E.↗
An optimal controller based on linear approximation of an acoustical test facility, part B Final report
Optimal digital controller based on linear approximation of acoustical test facility, for determining effects of supersonic rocket engine noise on vehicle surface
Atkins, A. R., II↗
Equations of motion in the linear approximation
Gauge invariant theory of motion of singularities in linear approximation
Robinson, I.↗
Study of different approximations in the calculation of g-tensors: H2(plus)
Approximations in calculating g-tensors for molecular ion H2 (plus)
De Montgolfier, P.↗
Approximate Optimal Atmospheric Entry Trajectories
Approximate optimal atmospheric entry trajectories maximizing terminal function of velocity, heading angle, flight path angle, and altitude
Speyer, J. L.↗
New half-range differential approximation for spherically-symmetric radiative transfer
Half range differential approximation for spherically symmetric radiative transfer
Moreno, J. B.↗
Probability limit theorems and the convergence of finite difference approximations of partial differential equations
Partial differential equations finite difference approximation, applying convergence theorems with probabilistic method
Kushner, H. J.↗
On certain approximations in the finite- element method
Finite element method approximations outside variational principle in elasticity problems, examining convergence to exact solution
Mclay, R. W.↗
Nonlinear pulsations of unstable massive main- sequence stars. I - Small-amplitude tests of an approximation technique
Unstable massive main sequence stars nonlinear pulsation, using small amplitude tests of approximation technique
Talbot, R. J., Jr.↗
Examination of the 'leakage-lifetime' approximation in cosmic-ray diffusion
Cosmic ray particles diffusion with simultaneous energy transport, using leakage lifetime approximation
Jones, F. C.↗
Approximations for lognormally fading optical signals
Photoelectron count of lognormally fading optical signal, discussing noncentral chi square random variable approximation
Clark, J. R.↗
Approximate bridging relations in the transitional regime between continuum and free- molecule flows
Approximate bridging relations for heat transfer, surface shear and drag in transitional regime between free molecule and continuous flows
Matting, F. W.↗