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A scaled boundary method with adaptive algorithm in time domain for viscoelastic problems.

2015年04月08日 18:59  点击:[]

The National Natural Science Funding (Youth Project)  No..11202046,2013.1-2015.12

Yiqian HE

In order to compute the time-space coupling viscoelastic problems, the applied numerical methods should have good accuracy, convergence and effectivity in both time and space domain.In this program a new numerical model for viscoelastic problems is developed by combining an adaptive algorithm in time domain and scaled boundary method. In time domain the piecewise adaptive algorithm in time domain is employed to maintain computing accuracy under different step size by virtue of adaptive technique.In space domain the Scaled Boundary Method (SBM) is proposed no only providing an alternative accurate boundary based method for general viscoelastic problems but also very suitable for those involving stress singularity or unbounded domains.

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