Survey of effectiveness of inverse analysis computation

by

Survey of effectiveness of inverse analysis computation

Łukasz Sztangret, Danuta Szeliga, Jan Kusiak

AGH University of Science and Technology, al. Mickiewicza 30, 30-059 Kraków, Poland.

DOI:

https://doi.org/10.7494/cmms.2014.3.0487

Abstract:

The paper presents a survey of inverse analysis focusing on two aspects: computing time and accuracy of the solution. Identification of flow stress model in metal forming processes was considered as the inverse problem. This identification is usually performed by coupling the FE model with optimization techniques which leads to long computing times. Application of the metamodel instead of FE model in the inverse analysis was proposed as a solution of this problem. The second dilemma concerns the choice of the best optimization method. Several bio-inspired optimization algorithms were used in the inverse calculations. Comparison of obtained results is presented in the paper.

Cite as:

Sztangret, Ł., Szeliga, D., & Kusiak, J. (2014). Survey of effectiveness of inverse analysis computation. Computer Methods in Materials Science, 14(3), 160 – 166. https://doi.org/10.7494/cmms.2014.3.0487

Article (PDF):

Keywords:

Inverse analysis, Bio-inspired optimization methods, Metamodel

Publication dates:

Received: 23.07.2014, accepted: 14.11.2014, published:

Publication type:

Original scientific paper

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