scholarly journals MVFC: A COMPUTER PROGRAM FOR CONSTRUCTING FORCE CONSTANT MATRICES FOR USE IN VALENCE FORCE POTENTIAL FUNCTIONS IN MOLECULES AND CRYSTALS.

1969 ◽  
Author(s):  
J K Boyter ◽  
H L McMurry
Keyword(s):  
Computer Program ◽  
Force Constant ◽  
Potential Functions ◽  
Valence Force ◽  
Force Potential

Normal Coordinate Analysis of Some Hexahalide Anions of IV Group Elements

1971 ◽  
Vol 26 (7) ◽  
pp. 1137-1139 ◽  
Author(s):  
M. N. Avasthi ◽  
M. L. Mehta
Keyword(s):  
Force Field ◽  
Force Constant ◽  
Normal Coordinate Analysis ◽  
Oxidation Number ◽  
Normal Coordinate ◽  
Valence Force ◽  
Valence Force Field ◽  
Isoelectronic Series ◽  
Titanium Zirconium

Abstract The normal coordinate analysis has been applied to the hexachloride and hexabromide of tin, titanium, zirconium and hafnium, using the Urey-Bradley force field (UBFF) and orbital valence force field (OVFF). It is observed that the stretching force constant increases as the oxidation number of the metal increases within isoelectronic series.

Notizen: Das Infrarotspektrum von LaGaO3 / Infrared Spectrum of LaGO3

1975 ◽  
Vol 30 (1-2) ◽  
pp. 136-137 ◽  
Author(s):  
Enrique J. Baran
Keyword(s):  
Infrared Spectrum ◽  
Force Constant ◽  
Ir Spectrum ◽  
Valence Force ◽  
Related Compounds

The IR spectrum of LaGaO3 is reported and discussed in comparison with those of related compounds. The valence force constant for the Ga–O bonds is also estimated.

The Reissner-Sagoci Problem for the Transversely Isotropic Half-Space

1997 ◽  
Vol 64 (3) ◽  
pp. 692-694 ◽  
Author(s):  
M. T. Hanson ◽  
I. W. Puja
Keyword(s):  
Half Space ◽  
Previous Analysis ◽  
Elastic Field ◽  
Transversely Isotropic ◽  
Potential Functions ◽  
Point Force ◽  
Force Potential

This paper evaluates the elastic field in a transversely isotropic half-space caused by a circular flat bonded punch under torsion loading. The elastic field is found by integrating the point force potential functions. For the case of isotropy the present results agree with previous analysis.

A general computer program for the extended plate overlap algorithm

1978 ◽  
Vol 48 ◽  
pp. 287-293 ◽  
Author(s):  
Chr. de Vegt ◽  
E. Ebner ◽  
K. von der Heide
Keyword(s):  
Computer Program ◽  
Simultaneous Determination ◽  
General Computer Program ◽  
General Computer

In contrast to the adjustment of single plates a block adjustment is a simultaneous determination of all unknowns associated with many overlapping plates (star positions and plate constants etc. ) by one large adjustment. This plate overlap technique was introduced by Eichhorn and reviewed by Googe et. al. The author now has developed a set of computer programmes which allows the adjustment of any set of contemporaneous overlapping plates. There is in principle no limit for the number of plates, the number of stars, the number of individual plate constants for each plate, and for the overlapping factor.

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