CIV E 632 - COMPUTATIONAL HYDRAULICS AND HYDROLOGY
FALL 2021
ESSAY ASSIGNMENTS

No. DescriptionAssignedDue
10 (Essay on numerical modeling 2: 250-300 words). (a) Describe the amplitude and phase portraits in Muskingum-Cunge modeling. (b) For what value of Courant number is accuracy optimized for a wide range of spatial resolutions? 211117 211201
09 (Essay on numerical modeling 1: 250-300 words). (a) What are the two types of errors that arise in numerical modeling? (b) How is numerical instability controlled in the Preissmann scheme? 211110 211117
08 (Essay on roll waves: 250-300 words). (a) What are roll waves? (b) Why do they occur? (c) How can they be controlled? 211103 211110
07 (Essay on dynamic wave modeling: 250-300 words). (a) Explain the nature of the loop in a discharge-area rating curve.
(b) Explain why the use of the complete dynamic wave may not be necessary in the design of flood channels.
211020 211027
06 (Essay on the definition of hydraulic diffusivity: 250-300 words). (a) How can the concept of hydraulic diffusivity be improved to account for the modeling of dynamic waves? (b) How is wave diffusion produced in catchment dynamics? 210929 211006
05 (Essay on kinematic shock: 250-300 words). (a) What is a kinematic shock? (b) What are the four physical hydraulic parameters responsible for the formation of kinematic shock? 210927 211004
04 (Essay on nonlinear routing: 250-300 words). (a) What is the difference between linear and nonlinear routing? (b) How do the routed linear vs nonlinear hydrographs differ? 210915 210922
03 (Essay on Hayami's and Dooge's contributions: 150-200 words). (a) What is Hayami's contribution to the modeling of flood flows? (b) What is Dooge's contribution? 210908 210915
02 (Essay on Muskingum and kinematic wave solutions: 250-300 words). (a) Why are the Muskingum method and the kinemative wave numerical solutions similar? (b) What value of Courant number makes the third-order error equal to zero? 210901 210908
01 (Essay on wave propagation: 250-300 words). (a) Explain the essence of wave propagation in open-channel flow. (b) What is the significance of the dimensionless wavenumber? (c) For which Froude number (under Chezy friction in a hydraulically wide channel), all waves travel with the same celerity, with no attenuation or amplification? 210825 210901


All assignments must be mailed to ponce632zircon@gmail.com by 22:00 hours on the due date.
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