Plenary and Semi-Plenary Lectures
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| Title: |
| Localized Lagrange Multipliers for Multiphysics Simulations |
| Lecturer: |
| K.C. Park |
| Abstract: |
| Modeling and analysis of coupled systems are becoming increasingly complex with constant demands for new modeling capabilities. The prevailing practice in implementing new capabilities has been to integrate additional modules into existing software systems. However, it is becoming increasingly difficult for the new analysis modules to be integrated into existing systems. The present paper offers a framework for carrying out the modeling and analysis of coupled dynamical systems by utilizing existing single-field modular software systems. The paper presents the fundamental concept of the localized Lagrange multipliers and its applications to the partitioned modeling and analysis of coupled systems. It is shown that the present partitioned formulation facilitates a modular construction of new additional modeling and analysis capabilities, and lends a means for efficient simulation capabilities while preserving software modularity of each sub-discipline or field equations. The paper then presents the localized partitioned modeling and computational strategies for fluid-structure interaction modeling, coupled micro-electro-mechanical dynamics, inverse problems, reduced-order component mode synthesis, contact-impact, structural vibration control, optimization, multi-body dynamics, structural damage detection, among others. |
 I was born in Korea (nowadays a province in North Korea) as a second son in my family and became a refugee in the South Korea during the Korean War. I am married with my wife Kim for thirty five years and have three grownup children (a lawyer, an engineering teacher, and a med student) and a proud Coloradan.
I received my college education from three places, first at a seashore (Inchoen, Korea), on a farm (Palo Alto, CA), and along the riverbank of St. Lawrence River (Potsdam, NY).
I worked in industry, at an engine manufacturing facility (Korea) and missiles production company (Lockheed, USA).
Presently, I am with the Department of Aerospace Engineering and the Center for Aerospace Structures, University of Colorado at Boulder. I would like to be called as a dynamical systems specialist. My work has contributed other researchers to be famous, because my work is mostly used to show how much superior their works are when compared to my published work, for example, transient algorithm (j. appl. mech, 1975); partitioned procedure (j. appl. mech, 1980); finite element (j. appl. mech, 1986); multibody algorithm (j. guid. conr & dyn, 1988); parallel algorithm (ijnme, 1997); and coupled systems (j. appl. mech., 1998; ijnme, 2000), among others.
In this lecture we (myself and my long-time colleague Carlos Felippa) will present a localized Lagrange multipliers method that has been applied to: system identification, parallel computing, contact-impact modeling, non-matching interfaces, vibration control, reduced-order modeling of complex system, structural optimization, and multi-physics modeling.
Come to our lecture, and if the past is an indication, you will soon become famous by proposing better ideas than ours as always has been. |
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