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Title page for ETD etd-11072002-172455


Type of Document Master's Thesis
Author Vijaychand, Shubha ,
Author's Email Address svijayc@unity.ncsu.edu
URN etd-11072002-172455
Title Time-step Control in Transient Circuit Analysis
Degree Master of Science
Graduate Program Electrical Engineering
Advisory Committee
Advisor Name Title
Dr Michael Steer Committee Chair
Keywords
  • truncation error
  • time-step control
  • variable time-step
Date of Defense 2002-07-23
Availability unrestricted
Abstract
VIJAYCHAND , SHUBHA,. Time Step Control in Transient Analysis. (Under

the direction of Michael B. Steer)

The time-step control algorithm has a dramatic impact on the accuracy and

simulation time in transient circuit simulation. A new time-step control algorithm

is presented based on a novel estimation of the truncation error. The

new truncation error estimation uses diŽerence between Backward Euler and

Trapezoidal numerical integration techniques. The results of this technique are

compared with The traditional SPICE-like approach implemented in fREEDA.

Results for the solution of a Soliton line and Mesfet circuit are presented.

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