Pros and Cons of 1D and 2D Modeling - TUFLOW
Pros and Cons of 1D and 2D Modeling - TUFLOW
Pros and Cons of 1D and 2D Modeling - TUFLOW
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<strong>Pros</strong> <strong>and</strong> <strong>Cons</strong> <strong>of</strong> <strong>1D</strong> <strong>and</strong> <strong>2D</strong> <strong>Modeling</strong>, FMA Conference, San Diego, USA, Sep 2011<br />
Pre-Duplication<br />
Post-Duplication<br />
15<br />
Eudlo Creek, Qld, 1998-2003<br />
Key Findings<br />
• Calibration<br />
(using st<strong>and</strong>ard parameters)<br />
• <strong>1D</strong> models poor<br />
(Could only reproduce recorded affluxes<br />
for the 3 calibration events using nonst<strong>and</strong>ard<br />
parameters – did not dissipate<br />
enough energy at bridge)<br />
• <strong>2D</strong> models performed well<br />
(only minor fine-tuning <strong>of</strong> parameters)<br />
• Physical model ?<br />
(once “rough” enough calibrated well)<br />
11.15<br />
!(11.06<br />
11.15<br />
1<br />
11.04<br />
(!!<br />
(<br />
!!<br />
(!<br />
10.38<br />
10.35<br />
9.88<br />
9.88<br />
10.69<br />
(!<br />
10.71<br />
10.19<br />
10.25<br />
(!!<br />
16<br />
Bill Syme, BMT WBM, www.tuflow.com<br />
8
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