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DTSTAMP:20221104T204438Z
UID:563350F1-8114-499A-A6F2-09CECEF146D0
DTSTART;TZID=America/New_York:20221006T090000
DTEND;TZID=America/New_York:20221006T100000
DESCRIPTION:EM diffraction is critical in many applications including anten
 nas and propagation. Understanding and visualizing EM wave–object intera
 ction is crucial in designing new antenna systems\, for predicting path lo
 sses through complex propagation paths\, etc. In order to do that wave pie
 ces such as diffracted waves\, Fringe waves\, etc.\, should first be studi
 ed on canonical structures. Then\, complex objects can be investigated by 
 using HFA as well as numerical methods in hybrid form intelligently. EM wa
 ve scattering from waves – objects interaction has long been investigate
 d. Interesting wave phenomena\, diffraction\, occur when objects have shar
 p edges and tips. Methods are known as High-Frequency Asymptotics\,\nsuch 
 as Geometric optics (GO)\, Physical Optics\, (PO)\, Geometrical Theory of 
 Diffraction\, (GTD)\, Uniform Theory of Diffraction (UTD)\, Physical Theor
 y of Diffraction (PTD)\, and Theory of Edge Diffraction (TED) have been su
 ccessfully applied to a variety of EM problems. Recently\, numerical metho
 ds\, such as the Finite Difference Time Domain (FDTD)\, Method of Moments 
 (MoM)\, and Finite Element Method (FEM) have also\nbeen used in modeling E
 M diffraction. These powerful methods\, together with novel approaches\, h
 ave shown to be successful not only in modeling EM diffraction but also in
  distinguishing wave pieces such as scattered waves\, diffracted waves\, F
 ringe waves\, etc.\, which is very important in visualizing and understand
 ing complex wave–object interaction. This lecture will review all these 
 approaches\, use recently developed EM virtual tools\, and present compari
 sons through canonical examples.\n\nSpeaker(s): Prof. Levent Sevgi\, \n\nB
 ldg: Hanover Manor\, 16 Eagle Rock Avenue \,  East Hanover\, Istanbul\, T
 ürkiye\, 07936
LOCATION:Bldg: Hanover Manor\, 16 Eagle Rock Avenue \,  East Hanover\, Ista
 nbul\, Türkiye\, 07936
ORGANIZER:akpoddar@ieee.org
SEQUENCE:6
SUMMARY:Electromagnetic Diffraction Modeling and Simulation 
URL;VALUE=URI:https://events.vtools.ieee.org/m/331200
X-ALT-DESC:Description: <br /><p>EM diffraction is critical in many applica
 tions including antennas and propagation. Understanding and visualizing EM
  wave&ndash\;object interaction is crucial in designing new antenna system
 s\, for predicting path losses through complex propagation paths\, etc. In
  order to do that wave pieces such as diffracted waves\, Fringe waves\, et
 c.\, should first be studied on canonical structures. Then\, complex objec
 ts can be investigated by using HFA as well as numerical methods in hybrid
  form intelligently. EM wave scattering from waves &ndash\; objects intera
 ction has long been investigated. Interesting wave phenomena\, diffraction
 \, occur when objects have sharp edges and tips. Methods are known as High
 -Frequency Asymptotics\,&nbsp\;<br />such as Geometric optics (GO)\, Physi
 cal Optics\, (PO)\, Geometrical Theory of Diffraction\, (GTD)\, Uniform Th
 eory of Diffraction (UTD)\, Physical Theory of Diffraction (PTD)\, and The
 ory of Edge Diffraction (TED) have been successfully applied to a variety 
 of EM problems. Recently\, numerical methods\, such as the Finite Differen
 ce Time Domain (FDTD)\, Method of Moments (MoM)\, and Finite Element Metho
 d (FEM) have also&nbsp\;<br />been used in modeling EM diffraction. These 
 powerful methods\, together with novel approaches\, have shown to be succe
 ssful not only in modeling EM diffraction but also in distinguishing wave 
 pieces such as scattered waves\, diffracted waves\, Fringe waves\, etc.\, 
 which is very important in visualizing and understanding complex wave&ndas
 h\;object interaction. This lecture will review all these approaches\, use
  recently developed EM virtual tools\, and present comparisons through can
 onical examples.&nbsp\;</p>
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