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SUNMONTUEWEDTHUFRISAT
Events for January 21, 2009
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Meet USC
Wed, Jan 21, 2009
Viterbi School of Engineering Undergraduate Admission
Workshops & Infosessions
This half day program is designed for prospective freshmen and family members. Meet USC includes an information session on the University and the Admission process; a student led walking tour of campus and a meeting with us in the Viterbi School. Meet USC is designed to answer all of your questions about USC, the application process and financial aid.Reservations are required for Meet USC. This program occurs twice, once at 9:00 a.m. and again at 1:00 p.m. Please visit http://www.usc.edu/admission/undergraduate/visit/meet_usc.html to check availability and make an appointment. Be sure to list an Engineering major as your "intended major" on the webform!
Location: USC Admission Center
Audiences: Prospective Freshmen and Family Members - RESERVATIONS REQUIRED
Contact: Viterbi Admission
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Some Recent Progress in Spatial Information Applications in Beijing Key Laboratory
Wed, Jan 21, 2009 @ 10:30 AM - 12:00 PM
Ming Hsieh Department of Electrical and Computer Engineering
Conferences, Lectures, & Seminars
Location: Hedco Pertroleum and Chemical Engineering Building (HED) - -116
Audiences: Everyone Is Invited
Contact: Janice Thompson
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Fujita & Ogawa Revisited: An Agent-Based Modeling Approach
Wed, Jan 21, 2009 @ 02:00 PM - 03:00 PM
Sonny Astani Department of Civil and Environmental Engineering
Conferences, Lectures, & Seminars
Speaker: Eric J. Heikkila, Professor and Director of International Initiatives; School of Policy, Planning, and Development; Ralph & Goldy Lewis Hall; RGL 301D, University of Southern California, Los Angeles, CA 90089-0626The presentation is based on a paper by the same title, co-authored with Yiming Wang, forthcoming in Environment and Planning B. Absract:
This paper builds on and extends a classic paper (hereafter referred to as "F-O") published by Masahisa Fujita and Hideaki Ogawa in 1982. Their paper models the emergence of urban centers brought about by household and firm location decisions in the context of spatially differentiated labor and land market interactions. Their approach is an analytical one that seeks to characterize the equilibrium values of the system. In contrast, we employ an agent based modeling approach that seeks to replicate the individual household and firm behaviors that lead to equilibrium or non-equilibrium outcomes. The F-O model has little to say about what happens outside of equilibrium, while the ABM approach is pre-occupied with this question and is particularly well suited to address questions of path dependency and bounded rationality that lie well beyond the scope of the F-O original. We demonstrate that the urban outcomes that emerge depend critically upon the bidding behavior of agents and the institutional context within which their decisions are made.Location: Kaprielian Hall (KAP) - 209
Audiences: Everyone Is Invited
Contact: Evangeline Reyes
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Toward Numerical Simulations of Compressible Multiphase Flows with Applications to Shockwave Lithotr
Wed, Jan 21, 2009 @ 03:30 PM - 04:30 PM
Aerospace and Mechanical Engineering
Conferences, Lectures, & Seminars
Eric Johnsen Postdoctoral FellowCenter for Turbulence ResearchStanford UniversityStanford, CA Multiphase flows are ubiquitous in nature and in engineering applications, and encompass a range of phenomena as diverse as the dynamics of bubble clouds, the ablation of human tissue by focused ultrasound, and the impact of ocean waves onto naval structures. Though numerical simulations have become common design and analysis tools in fluid dynamics, current multiphase flow algorithms are still in developmental stages, particularly when the flow is compressible. In the present talk, a compressible multicomponent flow method is presented and applied to study the non-spherical collapse of gas bubbles in the context of shockwave lithotripsy, a medical procedure in which focused shockwaves are used to pulverize kidney stones. The dynamics of non-spherical bubble collapse are characterized, and the damage potential of the shockwaves emitted upon collapse is evaluated by tabulating the wall pressure. In addition, various properties are compared to available experiments and theory, showing good agreement. Furthermore, by using the present results as boundary conditions for simulations of elastic wave propagation within a kidney stone, a new stone comminution mechanism is proposed. Finally, the application of the current method is discussed for simulations of the Richtmyer-Meshkov instability, in which a shock interacts with a perturbed interface.
Location: Staufer Science Library Rm 150
Audiences: Everyone Is Invited
Contact: April Mundy
