1. hydraulics and performance evaluations of fish passages based on computational fluid dynamics and individual-based methods Restricted (Penn State Only) Author: Zeng, Yi Xuan Title: hydraulics and performance evaluations of fish passages based on computational fluid dynamics and individual-based methods Graduate Program: Civil Engineering (PHD) Keywords: fish passage designfish behaviorindividual-based model (IBM)biased random walk model.rock weirsrealistic rock weir modelingnumerical modeling File: Login to Download Committee Members: Xiaofeng Liu, Chair & Dissertation AdvisorMargaret Byron, Outside Unit & Field MemberPeggy Johnson, Major Field MemberLauren McPhillips, Major Field MemberPatrick Fox, Program Head/Chair