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A note on computing finite difference interblock transmissivities
Author(s) -
Appel Charles A.
Publication year - 1976
Publication title -
water resources research
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.863
H-Index - 217
eISSN - 1944-7973
pISSN - 0043-1397
DOI - 10.1029/wr012i003p00561
Subject(s) - mathematics , block (permutation group theory) , harmonic , block size , statistics , geometry , computer science , physics , acoustics , computer security , key (lock)
A formula is developed for computing interblock transmissivities for the case where the transmissivity varies more or less linearly between block centers. The error in interblock flow rates resulting at steady state conditions, when either the arithmetic or harmonic mean of ( T /Δ x ) is used for adjacent blocks for the interblock transmissivity, can be significant for some variations of block size and transmissivity.