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SUNMONTUEWEDTHUFRISAT
Events for August 30, 2010
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Meet USC: Admission Presentation, Campus Tour, & Engineering Talk
Mon, Aug 30, 2010
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://esdweb.esd.usc.edu/unresrsvp/MeetUSC.aspx 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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Oral Defense Dissertation
Mon, Aug 30, 2010 @ 10:00 AM - 12:00 PM
Sonny Astani Department of Civil and Environmental Engineering
Conferences, Lectures, & Seminars
Speaker: Dongyu Zhang, Ph.D. Candidate, Astani Department of Civil and Environmental Engineering
Talk Title: Controlled Susbstructure Identification for Shear Structures
Abstract:
Abstract:
Shear structure models are widely used to model the dynamics of building structures; therefore, developing the techniques, which can accurately identify the parameters of a shear structure, plays a vital role in establishing efficient and reliable structural health monitoring systems for building structures.
In this dissertation, applying the âdivide and conquerâ strategy of substructure identification (SI), a series of innovative SI methods for shear structure are developed. A shear structure is divided into many two-story standard substructures. An ingenious induction identification procedure is applied to identify the parameters of the whole structure from top to bottom inductively. Numerical simulation results verify that these substructure identification methods provide accurate identification results.
One of the most important features of these SI methods is that the analytical results of the identification error is obtained, which demonstrates that the identification accuracy is simply controlled by the structural responses near the substructure natural frequency. This important discovery provides the ability to easily improve the identification accuracy by accordingly changing the substructure responses via specially designed structural control systems. Several controlled substructure identification methods were proposed, using different structural control systems to improve the accuracy of the SI methods. Moreover, since the accuracy of the proposed controlled SI methods directly depends on the close-loop controlled structural responses rather than on the control systems themselves, these controlled SI methods are proved to be quite robust to possible control system errors.
To overcome the limitations of the previous SI methods, a loop substructure identification method is proposed which makes use of the dynamic equilibrium of only one standard substructure to formulate a loop identification sequence and identify all parameters of that substructure once for all. Compared with the previous SI methods, the loop SI method is able to perform the structural identification of any part of a shear structure with only three floor acceleration responses; more importantly, the loop substructure identification can be carried out with knowing the structural mass information.
Furthermore, a new approach is proposed to extend the SI methods originally developed for shear structures to more realistic but complex frame structures. The study shows that the proposed approach is able to accurately structural damage of columns in a frame structure
Host:
Location: Kaprielian Hall (KAP) - 209
Audiences: Everyone Is Invited
Contact: Evangeline Reyes
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BME 533 - Seminar in Biomedical Engineering
Mon, Aug 30, 2010 @ 12:30 PM - 01:50 PM
Alfred E. Mann Department of Biomedical Engineering
Conferences, Lectures, & Seminars
Speaker: TZUNG HSIAI, MANBIR SINGH, MICHAEL BAUDRY, VASILIS MARMARELIS,
Talk Title: Faculty Research in Biomedical Engineering
Host: Department of Biomedical Engineering
Location: Harold E. and Lillian M. Moulton Organic Chemistry Wing (OCW) - 132
Audiences: BME graduate students, Faculty, contact department if interested (213-740-7237)
Contact: Mischalgrace Diasanta
