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SUMMARY:Topology Optimization and applications to extremal material design
DTSTART:20130128T140000
DTEND:20130128T150000
DTSTAMP:20260407T152434Z
UID:94f94c3a01f9ff348bc7153eeb980a0f38cf99c23ff4ed8c100008a3
CATEGORIES:Conferences - Seminars
DESCRIPTION:Prof. Ole Sigmund\nBio : Ole Sigmund is Professor and Head of 
 the Section for Solid Mechanics\, Department of Mechanical Engineering\, T
 echnical University of Denmark. He obtained his M.Sc.\, Ph.D. and Dr. Tech
 n. degrees from the same institution in 1991\, 1994 and 2001\, respectivel
 y. He has been a research assistant at the University of Essen\, Germany (
 1991-1992) and a Post graduate fellow at Princeton Materials Institute\, P
 rinceton University (1995-1996). Ole Sigmund has been the PI of a number o
 f larger nationally and internationally funded research projects and he ha
 s published more than 110 research papers in peer-reviewed international j
 ournals and co-authored the monograph "Topology Optimization - Theory\, Me
 thods and Applications"\, Springer (2004) with Martin P. Bendsøe. His pri
 ncipal research interests are theoretical extensions and applications of t
 opology optimization to the design of extremal and smart materials\, compl
 iant mechanisms\, MicroElectroMechanical Systems\, crashworthiness\, fluid
  systems and wave-propagation problems in acoustic\, elastic\, nano-optica
 l\, electromagnetical and other multiphysical problems.\nTopology optimiza
 tion is a tool for systematic optimization of structures and materials. Th
 e method is based on repeated finite element analyses\, gradient computati
 ons and math-programming-based material distribution updates. Initialized 
 by Bendsøe and Kikuchi 25 years ago\, the method has by now achieved grea
 t popularity and is a major tool in mechanical engineering lead by aerospa
 ce and automotive industries. The design is parameterized by element based
  design variables that interpolate between available material constituent 
 phases and various regularization techniques ensure control of minimum fea
 ture sizes and connectedness of optimized designs.\nThe presentation will 
 give an overview of the topology optimization method and discuss recent ad
 vances with respect to length scale control and robustness towards manufac
 turing uncertainties. Special emphasis will be devoted to the use of topol
 ogy optimization for the design of materials and surfaces with extremal el
 astic\, viscoelastic and optical properties.  Applications include design
  of 3D negative Poisson’s ratio materials\, materials with extremal visc
 oelastic end electrical properties as well as the systematic design of str
 uctural color surfaces mimicking butterfly wings known from nature.\nThe a
 udience is invited to download the TopOpt App which gives access to basic 
 topology optimization on smart phones and tablets. The App can be download
 ed from AppStore (iOS)\, Google Play (Android) or it can be run directly i
 n a web-browser (http://www.topopt.dtu.dk/?q=node/863).
LOCATION:CM 1 4 https://plan.epfl.ch/?room==CM%201%204
STATUS:CONFIRMED
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