The purpose of this work is to review the WHAMO transient flow model with the
independent MIXTRAN model. The MIXTRAN model also provides necessary boundary
conditions for WHAMO model. The WHAMO model was used to analyze the small
tunnel filling and dewatering system associated with final design analysis regarding the
Chicagoland Underflow Plan (CUP). The subcontractor, CDM International Inc., carried
out the WHAMO analysis and prepared a Technical Memorandum, which is attached to
this report. The WHAMO analysis results were reviewed by the primecontractor, St.
Anthony Falls Laboratory, The University of Mimlesota.
The primecontractor also analyzed two cases, case 5 and case 5B of CDM report, using
the MIXTRAN model and compared the results with that of the WHAMO model.
Agreement between the results of WHAMO model and MIXTRAN model for these two
cases is good.
He, Jianming; Stefan, Heinz G..
Hydraulic Transient and Steady State Flow Analysis Using the WHAMO Model For the Chicagoland Underflow Plan (CUP) Evaluations.
St. Anthony Falls Laboratory.
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