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  • Polymer and Materials Science  (2)
  • Parabolic system  (1)
  • Quasilinearization methods  (1)
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  • 1
    Digitale Medien
    Digitale Medien
    A numerical study of the Belousov-Zhabotinskii reaction using Galerkin finite element methods (1983)
    Springer
    Journal of mathematical biology 16 (1983), S. 251-260 
    Details
    ISSN: 1432-1416
    Schlagwort(e): Travelling fronts ; Parabolic system ; Galerkin finite element methods ; Wave speeds
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Biologie , Mathematik
    Notizen: Abstract The Belousov-Zhabotinskii reaction has been modelled by Field and Noyes [5] as a pair of nonlinear parabolic equations. Previous studies of these, both theoretical and numerical, have assumed wave solutions travelling with constant velocity leading to a simplification of the mathematical model in the form of a system of ordinary differential equations. In the present study a finite element Galerkin method is used directly on the original parabolic system for a range of parameter values.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF00276505
    Standort Signatur Erwartet Verfügbarkeit
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  • 2
    Digitale Medien
    Digitale Medien
    Method of quasilinearization and positivity of solutions in abstract cones (1977)
    Springer
    Journal of optimization theory and applications 22 (1977), S. 353-372 
    Details
    ISSN: 1573-2878
    Schlagwort(e): Quasilinearization methods ; abstract spaces ; differential equations ; inequality theory
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Mathematik
    Notizen: Abstract In this paper, the method of quasilinearization is extended to differential equations in Banach spaces using abstract cones. Frequently, it is useful to apply this technique to a comparison system. Several applications are given indicating the flexibility obtained by appropriate choice of the comparison system and cone.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF00932860
    Standort Signatur Erwartet Verfügbarkeit
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  • 3
    Digitale Medien
    Digitale Medien
    Synthesis, Properties and Performance of the High Explosive ANTA (1994)
    Weinheim : Wiley-Blackwell
    Propellants, Explosives, Pyrotechnics 19 (1994), S. 174-179 
    Details
    ISSN: 0721-3115
    Schlagwort(e): Chemistry ; Polymer and Materials Science
    Quelle: Wiley InterScience Backfile Collection 1832-2000
    Thema: Chemie und Pharmazie , Werkstoffwissenschaften, Fertigungsverfahren, Fertigung
    Notizen: 3-Amino-5nitro-1,2,4-triazole(ANTA) was prepared and evaluated in terms of insensitivity and performance. The material is very insensitive to impact and moderately so to thermal stimuli. Performance was found to be inferior to 1,3,5-triamino-2,4,6-trinitrobenzene (TATB). The best synthesis of ANTA is a three-step route using commercially available 3,5-diamino-1,2,4-triazole.
    Zusätzliches Material: 5 Ill.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1002/prep.19940190405
    Standort Signatur Erwartet Verfügbarkeit
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  • 4
    Digitale Medien
    Digitale Medien
    Nitroureas 1. Synthesis, scale-up and characterization of K-6 (1994)
    Weinheim : Wiley-Blackwell
    Propellants, Explosives, Pyrotechnics 19 (1994), S. 232-239 
    Details
    ISSN: 0721-3115
    Schlagwort(e): Chemistry ; Polymer and Materials Science
    Quelle: Wiley InterScience Backfile Collection 1832-2000
    Thema: Chemie und Pharmazie , Werkstoffwissenschaften, Fertigungsverfahren, Fertigung
    Notizen: The synthesis and characterization of 2-oxo-1,3,5-trinitro-1,3,5-triazacyclohexane (K-6), a cyclic dinitrourea, is described. The laboratory synthesis was scaled-up to provide 1.6 kilograms of crystalline K-6 which was used for performance testing. K-6 was formulated with 5% Viton A and pressed to 96.5% theoretical maximum density (TMD). Performance measurements in the form of front surface velocity measurements (tantalum plate push) and 1-inch cylinder expansion experiments indicate K-6 will out-perform HMX by 4% at early volume expansions. Thermal response and shock sensitivity experiments on K-6 are also described.
    Zusätzliches Material: 14 Ill.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1002/prep.19940190504
    Standort Signatur Erwartet Verfügbarkeit
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