Williams expansion-based approximation of the stress field in an Al 2024 body with a crack from optical measurements [PDF]
Fracture and Structural Integrity, 2017 A study on the approximation of the stress field in the vicinity of crack tip in a compact tension specimen made from Al 2024-T351 is presented. Crack tip stress tensor components are expressed using the linear elastic fracture mechanics (LEFM) theory in
S. Seitl +4 more
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Over-deterministic method: The influence of rounding numbers on the accuracy of the values of Williams’ expansion terms [PDF]
Fracture and Structural Integrity, 2017 A study on the accuracy of the values of Williams’ expansion terms influenced by rounding numbers is presented. The results are presented taking into account a three-point bend single edge notched beam.
Vladimir Ruzicka +2 more
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Multi-parameter approximation of stress field in a cracked specimen using purpose-built Java applications [PDF]
Fracture and Structural Integrity, 2015 A quality of multi-parameter approximation of the stress and displacement fields around a crack tip in a non-brittle material test specimen is studied in the paper. The stress field approximation using Williams power series is intended to be utilized for
V. Veselý +5 more
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Review of the Influence of non-singular higher order terms on the stress field of thin welded lap joints and small inclined cracks in plates [PDF]
Fracture and Structural Integrity, 2017 In stress analysis of cracked plates, alongside the stress intensity factor which quantifies the singular stress component perpendicular to the crack plane, the role played in crack growth by the constant term parallel to the crack plane, called the T ...
F. Berto +3 more
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Fracture and Structural Integrity, 2019 A study on the accuracy of the approximation of the displacement field around of crack tip in a sample made from bridge steel (S355) is main objective of contribution.
S. Seitl +5 more
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Estimation of the crack propagation direction in a mixed-mode geometry via multi-parameter fracture criteria [PDF]
Fracture and Structural Integrity, 2015 The presented work introduces a numerical parametric study on the crack propagation direction under mixed-mode conditions (mode I + II). It is conducted for the geometry of an eccentric asymmetric fourpoint bending of a single edge notched beam ...
L. Malíková, V. Veselý, S. Seitl
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Vietnam Journal of Mechanics, 2020 In this study, rupture of notched SENT specimens fabricated from a novel lead-free solder alloy is investigated. The lead-free solder alloy, focused on in this study, is particularly used as interconnect material in power modules of electric vehicles ...
Tao Quang Bang +3 more
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Analysis of accuracy of Williams series approximation of stress field in cracked body – influence of area of interest around crack-tip on multi-parameter regression performance [PDF]
Fracture and Structural Integrity, 2017 A study on the accuracy of an approximation of the stress field in a cracked body is presented. Crack-tip stress tensor is expressed using the linear elastic fracture mechanics (LEFM) theory in this work, more precisely via its multi-parameter ...
J. Sobek, P. Frantík, V. Veselý
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Simplified shear relaxation modulus function of HDPE for FE simulation in extrusion blowing process [PDF]
MATEC Web of Conferences, 2019 Attempts to apply finite element analysis for simulation of the final geometry from extrusion blowing process have been studied. One of the accuracies for the prediction is a suitable mathematical model of the thermoplastic during the process.
Siripath Nattarawee +1 more
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Williams Expansion Terms and their Importance for Accurate Stress Field Description in Specimens with a Crack [PDF]
Transactions of the VŠB-Technical University of Ostrava, Mechanical Series, 2013 The paper deals with an analysis of the stress and displacement fields in various cracked specimens (loaded in mode I as well as in mode II). The main goal is to determine an accurate approximation of the near-crack-tip fields which can be subsequently
Lucie MALÍKOVÁ, Václav VESELÝ
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