ce_24_11.py

Created by famille-bvc

Created on November 23, 2022

1.42 KB


# * Direction de propagation *

# -> facteur de k

# * Polarisation de l'onde *

#  cos(...)cos(...) ≡ e(i...)
#  => rectiligne selon 
#     premiere bissectrice
#
#  cos(...)-cos(...)
#  => rectiligne selon 
#     seconde bissectrice
#
#  cos(...)sin(...)
#  => circulaire gauche
#
#  cos(...)-sin(...)
#  => circulaire droite

# * Eq de Maxwell ds vide *

#    ->  δEx   δEy   δEz
# divE = --- + --- + --- = 0
#        δt    δt    δt
#    ->
# divB = 0 
#           ->
# -> ->    δB
# rotE = - ---
#          δt
#               ->
# -> ->        δE
# rotB = ε0 μ0 ---
#              δt

# * Dessiner le repère *

#      z
#      |
#      |
#      |______y
#     /
#    /
#   x

# * Equation de propagation * 

#                      ->
# ->  ->  ->          δB
# rot(rot(E)) = rot(- ---)
#                     δt
#
#  ->      ->   ->   δ  -> ->
# grad(div(E))-ΔE = --(rot(B))
#                   δt
#
#                  ->
#  ->         δ   δE
# ΔE = ε0 μ0 -- (---)
#            δt  δt
#
#                 ->
#  ->         δ^2 E
# ΔE = ε0 μ0 ------
#            δ t^2
#
# avec ε0 μ0 = 1/c^2

# * Relation entre k et w *

# k = w/c

# * Champ magnétique de l'onde

#         ->
# Vecteur B sur le repère

# * Calcul du Rot *

#  ->  ->
# Rot(...) = 
#
# | δAz   δAy
# | --- - --- = ?
# | δy    δz
# |
# | δAx   δAz
# | --- - --- = ?
# | δz    δx
# |
# | δAy   δAx
# | --- - --- = ?
# | δx    δy

# * Divergence *

# -> Dérivée partielle

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