Steps to increase practical applicability of PragTic software

0517503 - ÚGN 2020 RIV NL eng J - Journal Article
Tomčala, J. - Papuga, J. - Horák, David - Hapla, V. - Pecha, Marek - Čermák, Martin
Steps to increase practical applicability of PragTic software.
Advances in Engineering Software. Roč. 129, March 2019 (2019), s. 57-68. ISSN 0965-9978. E-ISSN 1873-5339
R&D Projects: GA MŠMT LQ1602
Institutional support: RVO:68145535
Keywords : parallelization * PragTic * multiaxial fatigue analysis * integral methods * critical plane methods
OECD category: Computer sciences, information science, bioinformathics (hardware development to be 2.2, social aspect to be 5.8)
Impact factor: 3.884, year: 2019
Method of publishing: Limited access
https://www.sciencedirect.com/science/article/pii/S0965997817309353#!

This paper describes various methods for increasing the computational speed of an existing fatigue solver called PragTic. The paper describes the basic workflow of computational fatigue analysis, including multiaxial fatigue analysis as well. It documents some of the inefficiencies of the original PragTic version, and parallelization and scalability testing of the parallelized PragTic in three different case studies. These studies include a simple model example (hundreds of nodes) and a real world example (millions of nodes). The implemented parallelization techniques are tested using numerical experiments to demonstrate their parallel scalability. As an output of a unique analysis, the number of necessary and feasible evaluated planes in multiaxial analyses is monitored, and the outcome favoring integral methods for the multiaxial fatigue analysis is commented.
Permanent Link: http://hdl.handle.net/11104/0302844