The term "height-energy" appears to have originated inside Aviary itself, possibly as a misremembering of the actual method name. The original method is simply called the "Energy Method" (the earliest paper I could find is by Rutowski in 1953, doi 10.2514/8.2956). The main paper on mission analysis in LEAPS calls it the "energy-height" approximation.
Height-energy is easily confused for potential energy, while the actual EOMs model transfer between potential and kinetic energy for a point mass. I'd prefer to use the original "Energy Method" name, referring to it only as "energy-height" when referring to the actual quantity of total energy used by the method (kinetic + potential energy)
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The term "height-energy" appears to have originated inside Aviary itself, possibly as a misremembering of the actual method name. The original method is simply called the "Energy Method" (the earliest paper I could find is by Rutowski in 1953, doi 10.2514/8.2956). The main paper on mission analysis in LEAPS calls it the "energy-height" approximation.
Height-energy is easily confused for potential energy, while the actual EOMs model transfer between potential and kinetic energy for a point mass. I'd prefer to use the original "Energy Method" name, referring to it only as "energy-height" when referring to the actual quantity of total energy used by the method (kinetic + potential energy)
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