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Investigation of some starting protocols for BDF (FIRM) in electrochemical digital simulation
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UNSPECIFIED (2001) Investigation of some starting protocols for BDF (FIRM) in electrochemical digital simulation. JOURNAL OF ELECTROANALYTICAL CHEMISTRY, 512 (1-2). pp. 119-123. ISSN 0022-0728.
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Abstract
Starting procedures for the backward differentiation formula (BDF) method have been investigated for the simulation of a chronopotentiometric or chronoamperometric experiment. How to start a simulation becomes especially important if the second (spatial) derivative of concentration is approximated by a fourth-order difference formula. The method of Kimble and White (KW) has been adapted to provide high-accuracy starting values. A comparison with other starting procedures is made. Surprisingly, the simple BDF start with a time correction, as used by Feldberg and co-workers, although not as accurate as the KW start, is the most efficient method. Its efficiency (when using the higher-order spatial second derivative approximations) is shown to be almost the same as for the extrapolation technique which, as a one-step (in time) method, does not depend on a starting strategy. (C) 2001 Elsevier Science B.V. All rights reserved.
Item Type: | Journal Article | ||||
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Subjects: | Q Science > QD Chemistry | ||||
Journal or Publication Title: | JOURNAL OF ELECTROANALYTICAL CHEMISTRY | ||||
Publisher: | ELSEVIER SCIENCE SA | ||||
ISSN: | 0022-0728 | ||||
Official Date: | 5 October 2001 | ||||
Dates: |
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Volume: | 512 | ||||
Number: | 1-2 | ||||
Number of Pages: | 5 | ||||
Page Range: | pp. 119-123 | ||||
Publication Status: | Published |
Data sourced from Thomson Reuters' Web of Knowledge
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