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1.
An aproximate technique for damage identification in beams using nonlinear regression analysis of bending frequency changes
Elma Ekinovic, Vlatko Doleček, Slavko Dolinšek, Nedim Hodzic, 2009, izvirni znanstveni članek

Opis: This paper addresses the problem of damage identification in beam-like structures on the base of bending frequency changes. The identification of damage location and its depth is performed by use of regression relations between changes in natural frequencies and damage parameters. Input data for establishing the regression relations are collected using numerical analysis (FEA) of the beam structure with and without damage. The damage is simulated as a narrow open notch perpendicular to the beam axis. The efficiency and limitations of the proposed technique are assessed through a series of damage scenarios.
Najdeno v: ključnih besedah
Povzetek najdenega: ...damage identification, finite element analysis, nonlinear regression, ...
Ključne besede: damage identification, finite element analysis, nonlinear regression
Objavljeno: 15.10.2013; Ogledov: 1483; Prenosov: 30
URL Polno besedilo (0,00 KB)
Gradivo ima več datotek! Več...

2.
Experimental verification of an approximate technoque for damage identification in beams using nonlinear regression analysis of bending frequency changes
Elma Ekinovic, Vlatko Doleček, Slavko Dolinšek, Nedim Hodzic, 2010, izvirni znanstveni članek

Opis: This paper presents the experimental verification of an approximate technique for damage identification in beam-like structures, which is based on the use of bending frequency changes and nonlinear regression analysis. The proposed technique was explained in details in [7] so only few necessary steps are recalled here. The identification of damage location and its depth is performed by use of experimentally measured frequency changes and previously established regression relations between bending frequency changes and damage parameters. The experiments were performed on the intact and damaged beams. The damage in these experiments is made by saw cut as a narrow open notch perpendicular to the beam axis. The results of identification are promising taking into account inevitable modelling and measurement errors.
Najdeno v: ključnih besedah
Povzetek najdenega: ...damage identification, frequency changes, finite element analysis, nonlinear regression, ...
Ključne besede: damage identification, frequency changes, finite element analysis, nonlinear regression
Objavljeno: 15.10.2013; Ogledov: 1326; Prenosov: 23
URL Polno besedilo (0,00 KB)
Gradivo ima več datotek! Več...

3.
Numerical modelling of flax short fibre reinforced and flax fibre fabric reinforced polymer
Janis Sliseris, Libo Yan, Bohumil Kasal, 2016, izvirni znanstveni članek

Najdeno v: ključnih besedah
Povzetek najdenega: ...discontinuous reinforcement, polymer-matrix composites (PMCs), finite element analysis (FEA)...
Ključne besede: discontinuous reinforcement, polymer-matrix composites (PMCs), finite element analysis (FEA)
Objavljeno: 19.11.2018; Ogledov: 232; Prenosov: 50
URL Polno besedilo (0,00 KB)

4.
Numerical simulation and experimental verification of hollow and foam-filled flax-fabric-reinforced epoxy tubular energy absorbers subjected to crashing
Janis Sliseris, Libo Yan, Bohumil Kasal, 2017, izvirni znanstveni članek

Najdeno v: ključnih besedah
Povzetek najdenega: ...discontinuous reinforcement, polymer-matrix composites, finite-element analysis...
Ključne besede: discontinuous reinforcement, polymer-matrix composites, finite-element analysis
Objavljeno: 19.11.2018; Ogledov: 292; Prenosov: 96
URL Polno besedilo (0,00 KB)

5.
Experimental and numerical studies of CFRP tube and steel spiral dual-confined concrete composite columns under axial impact loading
Liang Huang, Chang Gao, Libo Yan, Tao Yu, Bohumil Kasal, 2018, izvirni znanstveni članek

Najdeno v: ključnih besedah
Povzetek najdenega: ...cracking resistance, ductile failure, dynamic increase factor, finite element analysis...
Ključne besede: CFRP tube, spiral reinforcement, dual-confinement, axial impact resistance, cracking resistance, ductile failure, dynamic increase factor, finite element analysis
Objavljeno: 19.11.2018; Ogledov: 318; Prenosov: 83
URL Polno besedilo (0,00 KB)

6.
Numerical modeling of wood-adhesive bond-line in mode ii for spruce wood glued by various adhesives
Václav Sebera, Jaka Gašper Pečnik, Boris Azinović, Miha Kramar, 2019, objavljeni povzetek znanstvenega prispevka na konferenci

Najdeno v: ključnih besedah
Povzetek najdenega: ...mode II, spruce wood, finite element analysis, crack propagation, adhesive bond...
Ključne besede: mode II, spruce wood, finite element analysis, crack propagation, adhesive bond
Objavljeno: 16.10.2019; Ogledov: 82; Prenosov: 2
URL Polno besedilo (0,00 KB)

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