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The Particle Time Derivative of the Characteristic Geometric Quantities on Soft Curved Surface in Lagrangian Description

The Particle Time Derivative of the Characteristic Geometric Quantities on Soft Curved Surface in... Abstract This paper studies the particle time derivatives of the characteristic geometric quantities on soft curved surfaces in Lagrangian description. On the basis of differential geometry, the calculation formulas for the particle time derivatives of the base vectors, metric tensor, Christoffel symbol, unit normal vector, curvature tensor and scalar curvatures on soft curved surface are derived. The limitations of particle time derivatives, e.g. the non-covariance, are pointed out. This research paves the way for studying particle time derivative of any tensor field on soft curved surface. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png "Acta Mechanica Solida Sinica" Springer Journals

The Particle Time Derivative of the Characteristic Geometric Quantities on Soft Curved Surface in Lagrangian Description

"Acta Mechanica Solida Sinica" , Volume 31 (6): 15 – Dec 1, 2018

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References (16)

Publisher
Springer Journals
Copyright
2018 The Chinese Society of Theoretical and Applied Mechanics
ISSN
0894-9166
eISSN
1860-2134
DOI
10.1007/s10338-018-0045-3
Publisher site
See Article on Publisher Site

Abstract

Abstract This paper studies the particle time derivatives of the characteristic geometric quantities on soft curved surfaces in Lagrangian description. On the basis of differential geometry, the calculation formulas for the particle time derivatives of the base vectors, metric tensor, Christoffel symbol, unit normal vector, curvature tensor and scalar curvatures on soft curved surface are derived. The limitations of particle time derivatives, e.g. the non-covariance, are pointed out. This research paves the way for studying particle time derivative of any tensor field on soft curved surface.

Journal

"Acta Mechanica Solida Sinica"Springer Journals

Published: Dec 1, 2018

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