Blar i Institutt for konstruksjonsteknikk på tidsskrift "International Journal of Mechanical Sciences"
Viser treff 1-13 av 13
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A method for determining material's equivalent stress-strain curve with any axisymmetric notched tensile specimens without Bridgman correction
(Journal article, 2017)Large deformation analyses of problems such as plastic forming, ductile fracture with finite element method need a full range of material's equivalent stress-strain curve or flow stress-strain curve. The equivalent ... -
An experimental-numerical method to determine the work-hardening of anisotropic ductile materials at large strains
(Journal article; Peer reviewed, 2014)The determination of work-hardening for ductile materials at large strains is difficult to perform in the framework of usual tensile tests because of the geometrical instability and necking in the specimen at relatively ... -
Calibration of the modified Mohr-Coulomb fracture model by use of localization analyses for three tempers of an AA6016 aluminium alloy
(Peer reviewed; Journal article, 2021)This paper presents a novel calibration procedure of the modified Mohr-Coulomb (MMC) fracture model by use of localization analyses and applies it for three tempers of an AA6016 aluminium alloy. The localization analyses ... -
Constraint effect on the brittle-to-ductile transition of single-crystal iron induced by dislocation mobility
(Journal article, 2018)The brittle-to-ductile transition (BDT), no matter what the dominated mechanism is, dislocation nucleation or dislocation motion, is not an intrinsic phenomenon of material, and depends not only on the strain rate but also ... -
Contact area measurement of micron-sized metal-coated polymer particles under compression
(Journal article; Peer reviewed, 2019)The contact problem of a sphere under compression by a rigid plate is pertinent to understanding electrical contact formation in anisotropic conductive adhesive (ACA) applications. However, no work has experimentally ... -
Crashworthiness of aluminum extrusions subjected to oblique loading: experiments and numerical analyses
(Journal article; Peer reviewed, 2002)Oblique loading was studied through quasi-static experiments and numerical simulations. The behavior of square aluminum columns in alloy AA6060 subjected to quasi-static oblique loading was investigated experimentally for ... -
Dislocation based plasticity in the case of nanoindentation
(Journal article, 2018)Understanding plasticity initiation and evolution in nanoindentation tests is a fundamental issue. In this study, a continuum model is developed to analytically predict the force-depth curve by coupling the classical ... -
Fluid-structure interaction effects during the dynamic response of clamped thin steel plates exposed to blast loading
(Peer reviewed; Journal article, 2021)This work presents results from a numerical investigation on the influence of fluid-structure interaction (FSI) on the dynamic response of thin steel plates subjected to blast loading. The loading was generated by a shock ... -
Numerical study of fillet welds subjected to quasi-static and impact loading
(Journal article; Peer reviewed, 2017)Fillet welding is widely used in connections in civil engineering and marine structures. Thus, understanding the behavior of fillet welds under various types of loading is important, and numerical simulations can provide ... -
Numerical study of hydrogen influence on void growth at low triaxialities considering transient effects
(Peer reviewed; Journal article, 2019)Assuming that hydrogen enhances localised plasticity, as one of the leading mechanisms proposed in the lit- erature, the void growth and coalescence are modified by local softening and ductile failure features depend on ... -
On determining the Poisson's ratio of viscoelastic polymer microparticles using a flat punch test
(Journal article; Peer reviewed, 2017)Microscopic spherical polymer particles are increasingly used in a wide range of areas, including pharmacy, physics and microelectronics. For most of the applications a precise knowledge of the mechanical properties is ... -
A simplified model to evaluate peak amplitude for vertical vortex-induced vibration of bridge decks
(Peer reviewed; Journal article, 2021)A simplified model is developed to conveniently evaluate the peak vortex-induced vibration (VIV) amplitudes of a bridge deck at various mass-damping conditions. As a simplified form of the describing function-based model ... -
Static crushing of aluminium tubes filled with PET foam and a GFRP skeleton. Numerical modelling and multiobjective optimization.
(Journal article; Peer reviewed, 2017)This investigation focuses on the multiobjective optimization of a crash box subjected to static loading by using a validated numerical model and an analytical approach. The crash box is made with a unique combination of ...