<abstract xmlns="http://www.w3.org/1999/xhtml"><p>In the paper, the concept of non-local line method is presented and used for determining the effective length for notched elements. Experimental tests and calculations were performed for 40 HM-T (42CrMo4+QT) steel made specimens of two types, i.e. smooth specimens, and notched specimens with notch radius equal to 0.2 mm, 0.5 mm, 0.8 mm, and 1 mm. The performed FEM calculations took into account the multi-linear hardening model and cyclic material properties. The concept of the presented non-local line method bases on finding the position of critical plane and determining the effective length, meant as the fracture process zone. During numerical stress gradient simulations, also the weight function was implemented. It was observed that the effective length increases as the load increases.</p></abstract>

In the paper, the concept of non-local line method is presented and used for determining the effective length for notched elements. Experimental tests and calculations were performed for 40 HM-T (42CrMo4+QT) steel made specimens of two types, i.e. smooth specimens, and notched specimens with notch radius equal to 0.2 mm, 0.5 mm, 0.8 mm, and 1 mm. The performed FEM calculations took into account the multi-linear hardening model and cyclic material properties. The concept of the presented non-local line method bases on finding the position of critical plane and determining the effective length, meant as the fracture process zone. During numerical stress gradient simulations, also the weight function was implemented. It was observed that the effective length increases as the load increases.

Determining Effective Length for 40 HM-T Steel by Use of Non-Local Line Method Concept

Polish Maritime Research

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

In the paper, the concept of non-local line method is presented and used for determining the effective length for notched elements. Experimental tests and...

Determining Effective Length for 40 HM-T Steel by Use of Non-Local Line Method Concept

Published Online: Apr 11, 2018

Page range: 128 - 136

DOI: https://doi.org/10.2478/pomr-2018-0015

Keywords
weight function, effective length

© 2018 Grzegorz Robak et al., published by De Gruyter Open

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

Determining Effective Length for 40 HM-T Steel by Use of Non-Local Line Method Concept

Published Online: Apr 11, 2018

Page range: 128 - 136

DOI: https://doi.org/10.2478/pomr-2018-0015

Keywordsweight function, effective length

© 2018 Grzegorz Robak et al., published by De Gruyter Open

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

Keywords
weight function, effective length