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
Subjects:	Q Science > QD Chemistry
Journal or Publication Title:	JOURNAL OF ELECTROANALYTICAL CHEMISTRY
Publisher:	ELSEVIER SCIENCE SA
ISSN:	0022-0728
Date:	5 October 2001
Volume:	512
Number:	1-2
Number of Pages:	5
Page Range:	pp. 119-123
Publication Status:	Published
URI:	http://wrap.warwick.ac.uk/id/eprint/11611

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