Numerical Integration as a Labor‐Saving Device in the Compilation of Thermodynamic Properties of Polyatomic Molecules

1951 ◽  
Vol 19 (4) ◽  
pp. 510-511 ◽  
Author(s):  
Robert E. Pennington ◽  
Kenneth A. Kobe
Keyword(s):  
Thermodynamic Properties ◽  
Numerical Integration ◽  
Polyatomic Molecules

Automatic numerical integration techniques for polyatomic molecules

1994 ◽  
Vol 100 (9) ◽  
pp. 6520-6534 ◽  
Author(s):  
José M. Pérez‐Jordá ◽  
Axel D. Becke ◽  
Emilio San‐Fabián
Keyword(s):  
Numerical Integration ◽  
Polyatomic Molecules ◽  
Integration Techniques

The orbit of Pluto over a long interval of time

1966 ◽  
Vol 25 ◽  
pp. 227-229 ◽  
Author(s):  
D. Brouwer
Keyword(s):  
Periodic Orbit ◽  
Numerical Integration ◽  
Restricted Problem ◽  
Three Dimensional ◽  
The Third ◽  
Circular Restricted Problem ◽  
Resonance Relation

The paper presents a summary of the results obtained by C. J. Cohen and E. C. Hubbard, who established by numerical integration that a resonance relation exists between the orbits of Neptune and Pluto. The problem may be explored further by approximating the motion of Pluto by that of a particle with negligible mass in the three-dimensional (circular) restricted problem. The mass of Pluto and the eccentricity of Neptune's orbit are ignored in this approximation. Significant features of the problem appear to be the presence of two critical arguments and the possibility that the orbit may be related to a periodic orbit of the third kind.

Models of Thermodynamic Properties of Prominences

1979 ◽  
Vol 44 ◽  
pp. 349-355
Author(s):  
R.W. Milkey
Keyword(s):  
Thermodynamic Properties ◽  
Mass Transport ◽  
Emission Spectrum ◽  
Thermodynamic Parameters ◽  
Working Group ◽  
Physical Processes ◽  
Theoretical Concepts ◽  
Group 3 ◽  
Observational Techniques

The focus of discussion in Working Group 3 was on the Thermodynamic Properties as determined spectroscopically, including the observational techniques and the theoretical modeling of physical processes responsible for the emission spectrum. Recent advances in observational techniques and theoretical concepts make this discussion particularly timely. It is wise to remember that the determination of thermodynamic parameters is not an end in itself and that these are interesting chiefly for what they can tell us about the energetics and mass transport in prominences.

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