Diakoptics

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Gabriel Kron's Diakoptics (Greek dia–through + kopto–cut,tear) or Method of Tearing involves breaking a (usually physical) problem down into subproblems which can be solved independently before being joined back together to obtain a solution to the whole problem. (Wikipedia.org)






Conferences related to Diakoptics

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2020 IEEE International Symposium on Antennas and Propagation and North American Radio Science Meeting

The joint meeting is intended to provide an international forum for the exchange of information on state of the art research in the area of antennas and propagation, electromagnetic engineering and radio science


2020 IEEE Power & Energy Society General Meeting (PESGM)

The Annual IEEE PES General Meeting will bring together over 2900 attendees for technical sessions, administrative sessions, super sessions, poster sessions, student programs, awards ceremonies, committee meetings, tutorials and more


2020 IEEE/MTT-S International Microwave Symposium (IMS)

The IEEE International Microwave Symposium (IMS) is the world s foremost conference covering the UHF, RF, wireless, microwave, millimeter-wave, terahertz, and optical frequencies; encompassing everything from basic technologies to components to systems including the latest RFIC, MIC, MEMS and filter technologies, advances in CAD, modeling, EM simulation and more. The IMS includes technical and interactive sessions, exhibits, student competitions, panels, workshops, tutorials, and networking events.

  • 2036 IEEE/MTT-S International Microwave Symposium - IMS 2036

    The IEEE International Microwave Symposium (IMS) is the world s foremost conference covering the UHF, RF, wireless, microwave, millimeter-wave, terahertz, and optical frequencies; encompassing everything from basic technologies to components to systems including the latest RFIC, MIC, MEMS and filter technologies, advances in CAD, modeling, EM simulation and more. The IMS includes technical and interactive sessions, exhibits, student competitions, panels, workshops, tutorials, and networking events.

  • 2031 IEEE/MTT-S International Microwave Symposium - IMS 2031

    The IEEE International Microwave Symposium (IMS) is the world s foremost conference covering the UHF, RF, wireless, microwave, millimeter-wave, terahertz, and optical frequencies; encompassing everything from basic technologies to components to systems including the latest RFIC, MIC, MEMS and filter technologies, advances in CAD, modeling, EM simulation and more. The IMS includes technical and interactive sessions, exhibits, student competitions, panels, workshops, tutorials, and networking events.

  • 2029 IEEE/MTT-S International Microwave Symposium - IMS 2029

    The IEEE International Microwave Symposium (IMS) is the world s foremost conference covering the UHF, RF, wireless, microwave, millimeter-wave, terahertz, and optical frequencies; encompassing everything from basic technologies to components to systems including the latest RFIC, MIC, MEMS and filter technologies, advances in CAD, modeling, EM simulation and more. The IMS includes technical and interactive sessions, exhibits, student competitions, panels, workshops, tutorials, and networking events.

  • 2026 IEEE/MTT-S International Microwave Symposium - IMS 2026

    The IEEE International Microwave Symposium (IMS) is the world s foremost conference covering the UHF, RF, wireless, microwave, millimeter-wave, terahertz, and optical frequencies; encompassing everything from basic technologies to components to systems including the latest RFIC, MIC, MEMS and filter technologies, advances in CAD, modeling, EM simulation and more. The IMS includes technical and interactive sessions, exhibits, student competitions, panels, workshops, tutorials, and networking events.

  • 2025 IEEE/MTT-S International Microwave Symposium - IMS 2025

    The IEEE International Microwave Symposium (IMS) is the world s foremost conferencecovering the UHF, RF, wireless, microwave, millimeter-wave, terahertz, and optical frequencies;encompassing everything from basic technologies to components to systems including thelatest RFIC, MIC, MEMS and filter technologies, advances in CAD, modeling, EM simulationand more. The IMS includes technical and interactive sessions, exhibits, student competitions,panels, workshops, tutorials, and networking events.

  • 2024 IEEE/MTT-S International Microwave Symposium - IMS 2024

    The IEEE International Microwave Symposium (IMS) is the world s foremost conference covering the UHF, RF, wireless, microwave, millimeter-wave, terahertz, and optical frequencies; encompassing everything from basic technologies to components to systems including the latest RFIC, MIC, MEMS and filter technologies, advances in CAD, modeling, EM simulation and more. The IMS includes technical and interactive sessions, exhibits, student competitions, panels, workshops, tutorials, and networking events.

  • 2023 IEEE/MTT-S International Microwave Symposium - IMS 2023

    The IEEE International Microwave Symposium (IMS) is the world s foremost conference covering the UHF, RF, wireless, microwave, millimeter-wave, terahertz, and optical frequencies; encompassing everything from basic technologies to components to systems including the latest RFIC, MIC, MEMS and filter technologies, advances in CAD, modeling, EM simulation and more. The IMS includes technical and interactive sessions, exhibits, student competitions, panels, workshops, tutorials, and networking events.

  • 2022 IEEE/MTT-S International Microwave Symposium - IMS 2022

    The IEEE International Microwave Symposium (IMS) is the world s foremost conference covering the UHF, RF, wireless, microwave, millimeter-wave, terahertz, and optical frequencies; encompassing everything from basic technologies to components to systems including the latest RFIC, MIC, MEMS and filter technologies, advances in CAD, modeling, EM simulation and more. The IMS includes technical and interactive sessions, exhibits, student competitions, panels, workshops, tutorials, and networking events.

  • 2021 IEEE/MTT-S International Microwave Symposium - IMS 2021

    The IEEE MTT-S International Microwave Symposium (IMS) is the premier conference covering basic technologies, to passives and actives components to system over a wide range of frequencies including VHF, UHF, RF, microwave, millimeter-wave, terahertz, and optical. The conference will encompass the latest in RFIC, MIC, MEMS and filter technologies, advances in CAD, modeling, EM simulation, wireless systems, RFID and related topics.

  • 2019 IEEE/MTT-S International Microwave Symposium - IMS 2019

    Comprehensive symposium on microwave theory and techniques including active and passive circuit components, theory and microwave systems.

  • 2018 IEEE/MTT-S International Microwave Symposium - IMS 2018

    Microwave theory and techniques, RF/microwave/millimeter-wave/terahertz circuit design and fabrication technology, radio/wireless communication.

  • 2017 IEEE/MTT-S International Microwave Symposium - IMS 2017

    The IEEE MTT-S International Microwave Symposium (IMS) is the premier conference covering basic technologies, to passives and actives components to system over a wide range of frequencies including VHF, UHF, RF, microwave, millimeter-wave, terahertz, and optical. The conference will encompass the latest in RFIC, MIC, MEMS and filter technologies, advances in CAD, modeling, EM simulation, wireless systems, RFID and related topics.

  • 2016 IEEE/MTT-S International Microwave Symposium - IMS 2016

    The IEEE International Microwave Symposium (IMS) is the world s foremost conference covering the UHF, RF, wireless, microwave, millimeter-wave, terahertz, and optical frequencies; encompassing everything from basic technologies to components to systems including the latest RFIC, MIC, MEMS and filter technologies, advances in CAD, modeling, EM simulation and more. The IMS includes technical and interactive sessions, exhibits, student competitions, panels, workshops, tutorials, and networking events.

  • 2015 IEEE/MTT-S International Microwave Symposium - MTT 2015

    The IEEE MTT-S International Microwave Symposium (IMS) is the premier conference covering basic technologies, to passives and actives components to system over a wide range of frequencies including VHF, UHF, RF, microwave, millimeter-wave, terahertz, and optical. The conference will encompass the latest in RFIC, MIC, MEMS and filter technologies, advances in CAD, modeling, EM simulation, wireless systems, RFID and related topics. The IMS includes technical sessions, both oral and interactive, worksh

  • 2014 IEEE/MTT-S International Microwave Symposium - MTT 2014

    IMS2014 will cover developments in microwave technology from nano devices to system applications. Technical paper sessions, interactive forums, plenary and panel sessions, workshops, short courses, industrial exhibits, and a wide array of other technical activities will be offered.

  • 2013 IEEE/MTT-S International Microwave Symposium - MTT 2013

    The IEEE MTT-S International Microwave Symposium (IMS) is the premier conference covering basic technologies, to passives and actives components to system over a wide range of frequencies including VHF, UHF, RF, microwave, millimeter -wave, terahertz, and optical. The conference will encompass the latest in RFIC, MIC, MEMS and filter technologies, advances in CAD, modeling, EM simulation, wireless systems, RFID and related topics.The IMS includes technical and interactive sessions, exhibits, student competitions, panels, workshops, tutorials, and networking events.

  • 2012 IEEE/MTT-S International Microwave Symposium - MTT 2012

    The IEEE International Microwave Symposium (IMS) is the world s foremost conference covering the UHF, RF, wireless, microwave, millimeter-wave, terahertz, and optical frequencies; encompassing everything from basic technologies to components to systems including the latest RFIC, MIC, MEMS and filter technologies, advances in CAD, modeling, EM simulation and more. The IMS includes technical and interactive sessions, exhibits, student competitions, panels, workshops, tutorials, and networking events.

  • 2011 IEEE/MTT-S International Microwave Symposium - MTT 2011

    The IEEE International Microwave Symposium (IMS) is the world s foremost conference covering the UHF, RF, wireless, microwave, millimeter-wave, terahertz, and optical frequencies; encompassing everything from basic technologies to components to systems including the latest RFIC, MIC, MEMS and filter technologies, advances in CAD, modeling, EM simulation and more. The IMS includes technical and interactive sessions, exhibits, student competitions, panels, workshops, tutorials, and networking events.

  • 2010 IEEE/MTT-S International Microwave Symposium - MTT 2010

    Reports of research and development at the state-of-the-art of the theory and techniques related to the technology and applications of devices, components, circuits, modules and systems in the RF, microwave, millimeter-wave, submillimeter-wave and Terahertz ranges of the electromagnetic spectrum.

  • 2009 IEEE/MTT-S International Microwave Symposium - MTT 2009

    The IEEE International Microwave Symposium (IMS) is the world s foremost conference covering the UHF, RF, wireless, microwave, millimeter-wave, terahertz, and optical frequencies; encompassing everything from basic technologies to components to systems including the latest RFIC, MIC, MEMS and filter technologies, advances in CAD, modeling, EM simulation and more. The IMS includes technical and interactive sessions, exhibits, student competitions, panels, workshops, tutorials, and networking events.

  • 2008 IEEE/MTT-S International Microwave Symposium - MTT 2008

  • 2007 IEEE/MTT-S International Microwave Symposium - MTT 2007

  • 2006 IEEE/MTT-S International Microwave Symposium - MTT 2006

  • 2005 IEEE/MTT-S International Microwave Symposium - MTT 2005

  • 2004 IEEE/MTT-S International Microwave Symposium - MTT 2004

  • 2003 IEEE/MTT-S International Microwave Symposium - MTT 2003

  • 2002 IEEE/MTT-S International Microwave Symposium - MTT 2002

  • 2001 IEEE/MTT-S International Microwave Symposium - MTT 2001

  • 2000 IEEE/MTT-S International Microwave Symposium - MTT 2000

  • 1999 IEEE/MTT-S International Microwave Symposium - MTT '99

  • 1998 IEEE/MTT-S International Microwave Symposium - MTT '98

  • 1997 IEEE/MTT-S International Microwave Symposium - MTT '97

  • 1996 IEEE/MTT-S International Microwave Symposium - MTT '96


2019 13th European Conference on Antennas and Propagation (EuCAP)

The conference provides an overview of the state of the art developments and innovations in Antennas, Propagation, and Measurements, highlighting the latest requirements for future applications.


2019 IEEE International Conference on Microwaves, Antennas, Communications and Electronic (COMCAS)Systems (IEEE COMCAS 2019)

IEEE COMCAS 2019 continues the tradition of providing a multidisciplinary forum for the exchange of ideas, research results, and industry experience in the areas of microwaves, communications, antennas, solid state circuits, electron devices, sensors, radar, bio-medical engineering and electronic systems engineering. It includes a technical program, industry exhibits, and invited talks by international experts in key topical areas.


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Periodicals related to Diakoptics

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Antennas and Propagation, IEEE Transactions on

Experimental and theoretical advances in antennas including design and development, and in the propagation of electromagnetic waves including scattering, diffraction and interaction with continuous media; and applications pertinent to antennas and propagation, such as remote sensing, applied optics, and millimeter and submillimeter wave techniques.


Circuits and Systems I: Regular Papers, IEEE Transactions on

Part I will now contain regular papers focusing on all matters related to fundamental theory, applications, analog and digital signal processing. Part II will report on the latest significant results across all of these topic areas.


Industrial Informatics, IEEE Transactions on

IEEE Transactions on Industrial Informatics focuses on knowledge-based factory automation as a means to enhance industrial fabrication and manufacturing processes. This embraces a collection of techniques that use information analysis, manipulation, and distribution to achieve higher efficiency, effectiveness, reliability, and/or security within the industrial environment. The scope of the Transaction includes reporting, defining, providing a forum for discourse, and informing ...


Magnetics, IEEE Transactions on

Science and technology related to the basic physics and engineering of magnetism, magnetic materials, applied magnetics, magnetic devices, and magnetic data storage. The Transactions publishes scholarly articles of archival value as well as tutorial expositions and critical reviews of classical subjects and topics of current interest.


Microwave Theory and Techniques, IEEE Transactions on

Microwave theory, techniques, and applications as they relate to components, devices, circuits, and systems involving the generation, transmission, and detection of microwaves.


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Xplore Articles related to Diakoptics

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A New Hybrid Diakoptic / Method of Lines to Electromagnetic Field Computation

Digest of the Fifth Biennial IEEE Conference on Electromagnetic Field Computation, 1992

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FDTD simulations on disjoint domains with the use of discrete Green's function diakoptics

2016 21st International Conference on Microwave, Radar and Wireless Communications (MIKON), 2016

A discrete Green's function (DGF) approach to couple disjoint domains in the finite-difference time-domain (FDTD) grid is developed. In this method, total- field/scattered-field (TFSF) FDTD domains are associated with simulated objects whereas the interaction between them is modeled with the use of the DGF propagator. Hence, source and scatterer are simulated in separate domains and updating of vacuum cells, being ...


Efficient FDTD wideband matched sources for a homogeneous waveguide cross-section

Proceedings of IEEE Antennas and Propagation Society International Symposium and URSI National Radio Science Meeting, 1994

A finite difference time domain (FDTD) wideband matched source, for waveguide problems, is developed by the FDTD diakoptics method. The efficiency of this matched source is obtained by using the modal amplitude, instead of the 2-D transverse field, to represent the incident and reflected waves. The performance of this matched source is demonstrated by the S-parameter calculation of an inductive ...


Source decomposition as a global absorbing boundary condition for multi-region problems

2015 International Conference on Electromagnetics in Advanced Applications (ICEAA), 2015

A two dimensional implementation of the source decomposition method (SDM) is presented in comparison with the PML and Higdon absorbing boundary conditions for FDTD applications. The SDM is global in nature, however it can accommodate reflective external domains. The comparison shows that the results are of similar quality, indicating that the Higdon conditions can be a viable choice at a ...


Multi-grid method and diakoptic theory

IEEE Antennas and Propagation Society International Symposium. 1995 Digest, 1995

It is well known that diakoptic method is one of the most efficient method used to solve the electromagnetic problems of electrically large bodies and complex structures. The authors use diakoptic theory to establish the multi- grid method that has been given by using mathematic theory that is not easy to understand and give the relation between the multi-grid method ...


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IEEE.tv Videos

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IEEE-USA E-Books

  • A New Hybrid Diakoptic / Method of Lines to Electromagnetic Field Computation

    None

  • FDTD simulations on disjoint domains with the use of discrete Green's function diakoptics

    A discrete Green's function (DGF) approach to couple disjoint domains in the finite-difference time-domain (FDTD) grid is developed. In this method, total- field/scattered-field (TFSF) FDTD domains are associated with simulated objects whereas the interaction between them is modeled with the use of the DGF propagator. Hence, source and scatterer are simulated in separate domains and updating of vacuum cells, being of little interest, can be avoided. The simulation scenarios consisting of (i) disjoint domains separated by a spatial distance and (ii) a sub-domain embedded in the main grid are considered. In the developed method, the field radiated by an FDTD domain is computed as a convolution of DGF with equivalent current sources measured over two displaced Huygens surfaces in the scattered-field zone. Therefore, the computed electromagnetic field is compatible with the FDTD grid and can be applied as an incident wave in a coupled TFSF domain. The developed method of diakoptics can be generalized for simulations of FDTD domains requiring nonlinear or multiphysics modeling with interaction between them computed with the use of DGF propagators.

  • Efficient FDTD wideband matched sources for a homogeneous waveguide cross-section

    A finite difference time domain (FDTD) wideband matched source, for waveguide problems, is developed by the FDTD diakoptics method. The efficiency of this matched source is obtained by using the modal amplitude, instead of the 2-D transverse field, to represent the incident and reflected waves. The performance of this matched source is demonstrated by the S-parameter calculation of an inductive iris and a back short. Comparisons with other matched sources with first-order absorbing boundary condition (ABC) and superabsorbing conditions are also provided.

  • Source decomposition as a global absorbing boundary condition for multi-region problems

    A two dimensional implementation of the source decomposition method (SDM) is presented in comparison with the PML and Higdon absorbing boundary conditions for FDTD applications. The SDM is global in nature, however it can accommodate reflective external domains. The comparison shows that the results are of similar quality, indicating that the Higdon conditions can be a viable choice at a lower cost as far as non-reflective boundaries are concerned. The SDM is grid compatible and can be integrated into a general diakoptic scheme. It is expected to perform best over smooth boundaries, since corners tend to generate instabilities at the moment.

  • Multi-grid method and diakoptic theory

    It is well known that diakoptic method is one of the most efficient method used to solve the electromagnetic problems of electrically large bodies and complex structures. The authors use diakoptic theory to establish the multi- grid method that has been given by using mathematic theory that is not easy to understand and give the relation between the multi-grid method and diakoptic theory.

  • Simulation of Large Electromagnetic Structures with an Application to Quasi-optical Amplifier

    Quasi-optical structures are very large to be simulated using the conventional FDTD techniques. In this paper a combined FDTD/Convolution technique is developed to reduce the computational load in the simulation of such structures. This technique reduces the computational burden by breaking the system into smaler modules each can be characterized by an impulse response matrix. The overa3l system response is then obtained by subsequently interconnecting the individual responses together via a convolution process.

  • DC railway power network solutions by diakoptics

    The paper is concerned with the application of diakoptics to DC railway power network solutions for a railway system simulator. The technique of diakoptics involves tearing of a given system into a number of independent parts, then putting the solutions of the divided parts together to form the solution of the original problem. This is particularly appropriate to the solution of railway power supply networks as they are characterised by sections of essentially ladder-type networks infrequently cross-connected. Furthermore, the subnetworks themselves are slowly-evolving due to the existence of moving branches representing the trains. Thus, coupled with sparse matrix techniques, the approach can lead to highly efficient solution of complex railway power networks.<<ETX>>

  • Diakoptic approach to simulation of large array of microstrip patch antennas with finite ground plane

    In this paper,diakoptic approach was proposed and can be used to predict radiation pattern of a large array with practically no loss of accuracy compared to simulation of full array. On the other hand the simulation times are greatly reduced using diakoptic approach, which makes it a method of choice for simulation of large and complex structures such as antenna arrays.

  • A novel 2-D multi-mode parallel time domain diakoptics and its application in filter analysis and design

    A novel two-dimensional multi-mode parallel time domain diakoptics based on FDTD is proposed. The discrete time domain Green's function is employed to analyze complicated circuits entirely in time domain with greatly improved efficiency. A part of the results is combined with frequency-domain synthesis method to design a band-pass filter. Excellent agreement with mode-matching and measured results is obtained.

  • Waveguide bandpass filter analysis and design using multimode parallel FDTD diakoptics

    This paper presents an analysis and design method based on finite-difference time-domain diakoptics. A complex structure is divided into several smaller subsections. The characteristics of the subsections are analyzed entirely in the time domain using mode-type discrete time-domain Green's functions. A multimode parallel algorithm is proposed to connect the subsections. Several filter analysis and design examples are presented. The effectiveness and accuracy of this method is demonstrated by comparison with other computational methods and measurements.



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