The vector U is assumed constant over an element. Further discretizing (3), the basic equation of the finite volume method can be obtained
(4)
where
is the length of side k,
denotes the outer normal flux vector of side k.
satisfies
(5)
F(U) and G(U) have a rotational invariance property, so they satisfy the relation
&
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知识宝库·论文范文 英语其它 A HIGH RESOLUTION FINITE VOLUME METHOD FOR SOLVING SHALLOW WATER EQUATIONS