NDLI: Multirate integration in a direct simulation method

Content Provider	IEEE Xplore Digital Library
Author	van Eijndhoven, J.T.J. van Stiphout, M.T. Buurman, H.W.
Copyright Year	1990
Description	Author affiliation: Dept. of Electr. Eng., Eindhoven Univ. of Technol., Netherlands (van Eijndhoven, J.T.J.; van Stiphout, M.T.; Buurman, H.W.)
Abstract	Multirate integration is a technique in which a set of differential equations is solved with different timesteps assigned to subsets of equations. In circuit simulation this is commonly used in the waveform relaxation method, where different subcircuits are analyzed independently from the others. An important and obvious advantage is the simulation efficiency: subcircuits which are temporarily changing relatively slowly, can be analyzed with large stepsizes, independent of the activity in other subcircuits. In this paper an approach is presented to fit multirate integration in a direct simulation scheme, thus bringing comparable advantages without the relaxation process and its related problems. An event driven scheme is proposed for the circuit simulation problem, with individual timesteps for every component in the circuit. Only with the new combination of a highly efficient update scheme for the L/U decomposition, and some event clustering method, leads the multirate scheme to the expected speedup of the simulation process.<>
Starting Page	306
Ending Page	309
File Size	338906
Page Count	4
File Format	PDF
ISBN	0818620242
DOI	10.1109/EDAC.1990.136664
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1990-03-12
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Circuit simulation Jacobian matrices Nonlinear equations Voltage Discrete event simulation Differential equations Relaxation methods Analytical models Clustering methods Timing
Content Type	Text
Resource Type	Article

Sl.	Authority	Responsibilities	Communication Details
1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
6	Contents and Copyright Issues	Queries related to content curation and copyright issues	content@ndl.gov.in
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8	Digital Preservation Centre (DPC)	Assistance with digitizing and archiving copyright-free printed books	dpc@ndl.gov.in
9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

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