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Autor:
I. J. G. Scott, D. de Cogan
Publikováno v:
International Journal of Numerical Modelling: Electronic Networks, Devices and Fields. 20:237-252
The effects observed by a moving source and stationary receiver, or conversely stationary source and moving receiver are well known to physicists. The Doppler effect as it is commonly known is recognized as a perceived change in frequency of the inci
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::85376748ac57df850ae8e5e07bf5c00b
https://doi.org/10.1002/jnm.645
https://doi.org/10.1002/jnm.645
Autor:
I. J. G. Scott, D. de Cogan
Publikováno v:
PIERS Online. 2:336-343
The numerical simulation of wave propagation in bounded space using differential-based models generally encounter spatial discretisation problems when the boundaries of the computation space do not fall on exact multiples of the models discretisation
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8de845796b573fd57f686646bbd15c9d
https://doi.org/10.2529/piers050906084034
https://doi.org/10.2529/piers050906084034
Publikováno v:
International Journal for Numerical Methods in Engineering. 63:122-138
Transmission line matrix (TLM) schemes for the Laplace equation exhibit some curious features. There exist values of TLM parameters where convergence towards the analytical values is very rapid. This phenomenon is first examined using a binary scatte
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::179c6eeae5b1fd3cc24037fdf635a26c
https://doi.org/10.1002/nme.1269
https://doi.org/10.1002/nme.1269
Publikováno v:
International Journal of Numerical Modelling: Electronic Networks, Devices and Fields. 18:341-349
In previous work novel, techniques with general applications were used to define the transmission line parameters within two- and three-dimensional orthogonal curvilinear meshed space. This paper presents a specific application of the technique and d
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1be37017d025b56d953bd4b75c5f4a94
https://doi.org/10.1002/jnm.582
https://doi.org/10.1002/jnm.582
Autor:
Pierre Chardaire, D. de Cogan
Publikováno v:
International Journal of Numerical Modelling: Electronic Networks, Devices and Fields. 16:509-534
The signals obtained at each time step of a transmission line matrix (TLM) simulation of Gaussian diffusion are analysed for two- and three-dimensional cases. A combinatorial formula is derived to provide the signal magnitude at any spatial position
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::71605166119c92912a8c697bfdafc841
https://doi.org/10.1002/jnm.516
https://doi.org/10.1002/jnm.516
Publikováno v:
International Journal of Numerical Modelling: Electronic Networks, Devices and Fields. 16:401-415
In this article a method of curvilinear orthogonal mesh generation in three dimensions is described. This technique is based on the solution of elliptic equations in two and three dimensions. Frequently, the generated meshes are not quite orthogonal;
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::853f58fb54ba51bd75f449a99ca7cf20
https://doi.org/10.1002/jnm.506
https://doi.org/10.1002/jnm.506
Autor:
P. Chardaire, D. de Cogan
Publikováno v:
International Journal of Numerical Modelling: Electronic Networks, Devices and Fields. 15:317-327
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8e78bfdb8dcdffae99e3c51e6cc8ec17
https://doi.org/10.1002/jnm.446
https://doi.org/10.1002/jnm.446
Publikováno v:
International Journal of Numerical Modelling: Electronic Networks, Devices and Fields. 14:145-154
The scattering of sound from surfaces by rotating sources such as the tips of helicopter rotor blades can be used as a method of locating and ranging obstructions which may represent a physical danger to the craft. Modelling such systems presents som
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d08284a8234b1550aaf33eb08f626907
https://doi.org/10.1002/jnm.403
https://doi.org/10.1002/jnm.403
Autor:
D. de Cogan
Publikováno v:
Microelectronics Journal. 30:1093-1097
Transmission line matrix (TLM) algorithms for lossy electrical network provide a solution for the telegrapher's equation. In spite of the fact that these constitute a lossy wave equation analogue, they have been successfully used to model thermal pro
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8f84903740a47976629177fad7c1ac5f
https://doi.org/10.1016/s0026-2692(99)00070-1
https://doi.org/10.1016/s0026-2692(99)00070-1