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| A piecewise temperal expanding algorithm to solve viscoelastic problems with large deformation |
| Zhi Han, |
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Abstract Abstract: By utilizing an expanding technique, this paper presents a piecewised adaptive algorithm in time domain to solve viscoelastic problems with large deformation, and develops an explicit recursive Update-Lagrange FE formula. The iteration, except at the initial time interval where a large deformation elastic problem is needed to solve, is not required at any other time interval. A self-adaptive computing can be realized by controlling the computing accuracy via the increase of expanding powers. Numerical verification provides satisfactory results.
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Received: 12 March 2012
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2013, Vol. 34 
