TY  - JOUR
AU  - Aleksić, Vujadin
AU  - Bulatović, Srđan
AU  - Zečević, Bojana
AU  - Maksimović, Ana
AU  - Milović, Ljubica
PY  - 2023
UR  - http://rims.institutims.rs/handle/123456789/805
AB  - In the paper, based on the results of the experimental research of high-strength low-alloy steel
(HSLA), Nionicral 70 (NN-70), under conditions of low-cycle fatigue (LCF), a numerical analysis of
stress and determination of the life of steel samples was performed. Experimental testing of the
behavior of the samples were performed with controlled and fully reversible strain (/2 = const,
R = min/max = -1), according to the standard ISO 12106:2003 (E). For computational analyses, the
following were used: the method of least squares and the method of finite elements (FEM). On the
basis of the analysis of the results of the stress-deformation state and the determination of the life
span through the isolines of the life span and comparison with the results of experimental tests, a
graphic representation is given. The analysis justified the effort to numerically solve the estimation
of the lifespan of steel under low cycle fatigue (LCF).
T2  - Advanced Technologies & Materials
T1  - Numerical Determination of the Life of Steel Exposed To Low Cycle Fatigue
EP  - 76
IS  - 2
SP  - 69
VL  - 48
DO  - 10.24867/ATM-2023-2-005
ER  - 

@article{
author = "Aleksić, Vujadin and Bulatović, Srđan and Zečević, Bojana and Maksimović, Ana and Milović, Ljubica",
year = "2023",
abstract = "In the paper, based on the results of the experimental research of high-strength low-alloy steel
(HSLA), Nionicral 70 (NN-70), under conditions of low-cycle fatigue (LCF), a numerical analysis of
stress and determination of the life of steel samples was performed. Experimental testing of the
behavior of the samples were performed with controlled and fully reversible strain (/2 = const,
R = min/max = -1), according to the standard ISO 12106:2003 (E). For computational analyses, the
following were used: the method of least squares and the method of finite elements (FEM). On the
basis of the analysis of the results of the stress-deformation state and the determination of the life
span through the isolines of the life span and comparison with the results of experimental tests, a
graphic representation is given. The analysis justified the effort to numerically solve the estimation
of the lifespan of steel under low cycle fatigue (LCF).",
journal = "Advanced Technologies & Materials",
title = "Numerical Determination of the Life of Steel Exposed To Low Cycle Fatigue",
pages = "76-69",
number = "2",
volume = "48",
doi = "10.24867/ATM-2023-2-005"
}

Aleksić, V., Bulatović, S., Zečević, B., Maksimović, A.,& Milović, L.. (2023). Numerical Determination of the Life of Steel Exposed To Low Cycle Fatigue. in Advanced Technologies & Materials, 48(2), 69-76.
https://doi.org/10.24867/ATM-2023-2-005

Aleksić V, Bulatović S, Zečević B, Maksimović A, Milović L. Numerical Determination of the Life of Steel Exposed To Low Cycle Fatigue. in Advanced Technologies & Materials. 2023;48(2):69-76.
doi:10.24867/ATM-2023-2-005 .

Aleksić, Vujadin, Bulatović, Srđan, Zečević, Bojana, Maksimović, Ana, Milović, Ljubica, "Numerical Determination of the Life of Steel Exposed To Low Cycle Fatigue" in Advanced Technologies & Materials, 48, no. 2 (2023):69-76,
https://doi.org/10.24867/ATM-2023-2-005 . .

TY  - CONF
AU  - Aleksić, Vujadin
AU  - Bulatović, Srđan
AU  - Zečević, Bojana
AU  - Maksimović, Ana
AU  - Milović, Ljubica
PY  - 2023
UR  - http://rims.institutims.rs/handle/123456789/767
AB  - Preparation for non-destructive testing (NDT), preparation of test reports, as well as control
calculation of a pressure vessel (PV) using the finite element method (FEM), with or without
identified irregularities, requires the use of commercial programs for parametric modeling,
which allow the rapid creation of three-dimensional (3D) model of the test object. 3D modeling
programs enable the determination of one or more rappers in order to orient the test object,
accurately define the established irregularity or error after NDT, as well as the most critical
part of the PV construction after FEM calculation with the possibility of optimization.
Programs for 3D modeling also enable modeling of determined irregularities after performed
tests that occurred during the construction, calculation, production or exploitation of the PV
construction itself. Irregularities are reflected in the form of improperly performed welded
joints, cracks, corrosion, erosion or cavitation of materials, and are used for the preparation of
test reports and control calculations of the PV structure with and/or without established
irregularities and errors, with the aim of making the correct decision on the continuation of
exploitation construction of PV or about its degree of rehabilitation
PB  - UNIVERSITY OF EAST SARAJEVO FACULTY OF TECHNOLOGY
C3  - VIII International Congress “Engineering, Environment and Materials in Process Industry“
T1  - Parameter programs for 3D modeling in the function of nondestructive testing and determination of the lifetime of pressure vessels
EP  - 418
SP  - 411
UR  - https://hdl.handle.net/21.15107/rcub_rims_767
ER  - 

@conference{
author = "Aleksić, Vujadin and Bulatović, Srđan and Zečević, Bojana and Maksimović, Ana and Milović, Ljubica",
year = "2023",
abstract = "Preparation for non-destructive testing (NDT), preparation of test reports, as well as control
calculation of a pressure vessel (PV) using the finite element method (FEM), with or without
identified irregularities, requires the use of commercial programs for parametric modeling,
which allow the rapid creation of three-dimensional (3D) model of the test object. 3D modeling
programs enable the determination of one or more rappers in order to orient the test object,
accurately define the established irregularity or error after NDT, as well as the most critical
part of the PV construction after FEM calculation with the possibility of optimization.
Programs for 3D modeling also enable modeling of determined irregularities after performed
tests that occurred during the construction, calculation, production or exploitation of the PV
construction itself. Irregularities are reflected in the form of improperly performed welded
joints, cracks, corrosion, erosion or cavitation of materials, and are used for the preparation of
test reports and control calculations of the PV structure with and/or without established
irregularities and errors, with the aim of making the correct decision on the continuation of
exploitation construction of PV or about its degree of rehabilitation",
publisher = "UNIVERSITY OF EAST SARAJEVO FACULTY OF TECHNOLOGY",
journal = "VIII International Congress “Engineering, Environment and Materials in Process Industry“",
title = "Parameter programs for 3D modeling in the function of nondestructive testing and determination of the lifetime of pressure vessels",
pages = "418-411",
url = "https://hdl.handle.net/21.15107/rcub_rims_767"
}

Aleksić, V., Bulatović, S., Zečević, B., Maksimović, A.,& Milović, L.. (2023). Parameter programs for 3D modeling in the function of nondestructive testing and determination of the lifetime of pressure vessels. in VIII International Congress “Engineering, Environment and Materials in Process Industry“
UNIVERSITY OF EAST SARAJEVO FACULTY OF TECHNOLOGY., 411-418.
https://hdl.handle.net/21.15107/rcub_rims_767

Aleksić V, Bulatović S, Zečević B, Maksimović A, Milović L. Parameter programs for 3D modeling in the function of nondestructive testing and determination of the lifetime of pressure vessels. in VIII International Congress “Engineering, Environment and Materials in Process Industry“. 2023;:411-418.
https://hdl.handle.net/21.15107/rcub_rims_767 .

Aleksić, Vujadin, Bulatović, Srđan, Zečević, Bojana, Maksimović, Ana, Milović, Ljubica, "Parameter programs for 3D modeling in the function of nondestructive testing and determination of the lifetime of pressure vessels" in VIII International Congress “Engineering, Environment and Materials in Process Industry“ (2023):411-418,
https://hdl.handle.net/21.15107/rcub_rims_767 .

TY  - CONF
AU  - Aleksić, Vujadin
AU  - Zečević, Bojana
AU  - Bulatović, Srđan
AU  - Maksimović, Ana
AU  - Milović, Ljubica
PY  - 2023
UR  - http://rims.institutims.rs/handle/123456789/681
AB  - Pipelines, with specifics in design, construction, testing and safety requirements must be designed
based on all relevant influences to ensure that they are safe during their working life. Allowable
stresses must be limited by possible errors in working conditions, in order to completely eliminate
the uncertainty arising from the production, the calculation model, the actual working conditions and
the characteristics and behavior of the material. In the paper, on the example of modeling and
calculation of the corrosion-damaged structure of the ammonia (NH3) transfer pipeline, a
methodological approach to the calculation using the Finite Element Method (FEM), is shown, in
accordance with the methods defined by the new and general approach to standardization and
technical harmonization for pressure equipment (Pressure Equipment Directive - PED 97/23 EC).
The paper uses advanced modeling techniques of corroded surfaces, based on FEM, with the aim of
developing a procedure for assessing the residual strength of steel pipelines operating in the
environmental conditions of the chemical products industry. The presentation of possible damages
and consequences caused by the corrosion of steel pipelines in the chemical products industry is also
given, and the possibility of taking measures to prevent such occurrences is discussed.
PB  - SERBIAN SOCIETY OF CORROSION AND MATERIALS PROTECTION (UISKOZAM)
C3  - XXIV YuCorr, Divčibare, Serbia-Proceedings
T1  - The Finite Element Method in the function of corrosion damage assessment of pipelines
EP  - 225
SP  - 216
UR  - https://hdl.handle.net/21.15107/rcub_rims_681
ER  - 

@conference{
author = "Aleksić, Vujadin and Zečević, Bojana and Bulatović, Srđan and Maksimović, Ana and Milović, Ljubica",
year = "2023",
abstract = "Pipelines, with specifics in design, construction, testing and safety requirements must be designed
based on all relevant influences to ensure that they are safe during their working life. Allowable
stresses must be limited by possible errors in working conditions, in order to completely eliminate
the uncertainty arising from the production, the calculation model, the actual working conditions and
the characteristics and behavior of the material. In the paper, on the example of modeling and
calculation of the corrosion-damaged structure of the ammonia (NH3) transfer pipeline, a
methodological approach to the calculation using the Finite Element Method (FEM), is shown, in
accordance with the methods defined by the new and general approach to standardization and
technical harmonization for pressure equipment (Pressure Equipment Directive - PED 97/23 EC).
The paper uses advanced modeling techniques of corroded surfaces, based on FEM, with the aim of
developing a procedure for assessing the residual strength of steel pipelines operating in the
environmental conditions of the chemical products industry. The presentation of possible damages
and consequences caused by the corrosion of steel pipelines in the chemical products industry is also
given, and the possibility of taking measures to prevent such occurrences is discussed.",
publisher = "SERBIAN SOCIETY OF CORROSION AND MATERIALS PROTECTION (UISKOZAM)",
journal = "XXIV YuCorr, Divčibare, Serbia-Proceedings",
title = "The Finite Element Method in the function of corrosion damage assessment of pipelines",
pages = "225-216",
url = "https://hdl.handle.net/21.15107/rcub_rims_681"
}

Aleksić, V., Zečević, B., Bulatović, S., Maksimović, A.,& Milović, L.. (2023). The Finite Element Method in the function of corrosion damage assessment of pipelines. in XXIV YuCorr, Divčibare, Serbia-Proceedings
SERBIAN SOCIETY OF CORROSION AND MATERIALS PROTECTION (UISKOZAM)., 216-225.
https://hdl.handle.net/21.15107/rcub_rims_681

Aleksić V, Zečević B, Bulatović S, Maksimović A, Milović L. The Finite Element Method in the function of corrosion damage assessment of pipelines. in XXIV YuCorr, Divčibare, Serbia-Proceedings. 2023;:216-225.
https://hdl.handle.net/21.15107/rcub_rims_681 .

Aleksić, Vujadin, Zečević, Bojana, Bulatović, Srđan, Maksimović, Ana, Milović, Ljubica, "The Finite Element Method in the function of corrosion damage assessment of pipelines" in XXIV YuCorr, Divčibare, Serbia-Proceedings (2023):216-225,
https://hdl.handle.net/21.15107/rcub_rims_681 .

TY  - CONF
AU  - Aleksić, Vujadin
AU  - Bulatović, Srđan
AU  - Zečević, Bojana
AU  - Maksimović, Ana
AU  - Milović, Ljubica
PY  - 2023
UR  - http://rims.institutims.rs/handle/123456789/678
AB  - In the paper, based on the results of experimental research on the behavior of samples in the form of
round smooth test specimens (STS) made of high strength low alloy steel (HSLA), Nionikral 70 (NN
70), under conditions of low cycle fatigue (LCF), a computational stress analysis was performed
using numerical methods.
Experimental investigations of the behavior of the samples were performed with controlled and fully
reversible deformation ( /2 = const, R = min/ max = 1), according to the ISO 12106:2003 (E)
standard.
For computational analyses, the method of least squares (in the Excel program) and the finite
element method (FEM) (in the SolidWorks program) were used. The behavior of HSLA steel during
low cycle fatigue (LCF) simulation was analyzed in the Cosmos module of the SolidWorks program.
On the basis of the analysis of the results of the stress deformation state and the determination of the
life span through the isolines of the life span and comparison with the results of experimental tests, a
graphic representation is given. Specific load cycles involving the entire round smooth test specimen
ligament for a specific load in a wide range of LCF loads were analyzed.
The analyzes showed the justification of the effort to solve the life assessment of steel subjected to
low cycle fatigue (LCF) numerically. The results of experimental tests and simulation tests also gave
us important data on understanding the LCF behavior of HSLA steel NN 70.
C3  - 16th International Conference on Accomplishments in Mechanical and Industrial Engineering DEMI
T1  - Life assessment using the finite element method of high-strength low-alloy steel samples exposed to low-cycle fatigue
EP  - 499
SP  - 490
UR  - https://hdl.handle.net/21.15107/rcub_rims_678
ER  - 

@conference{
author = "Aleksić, Vujadin and Bulatović, Srđan and Zečević, Bojana and Maksimović, Ana and Milović, Ljubica",
year = "2023",
abstract = "In the paper, based on the results of experimental research on the behavior of samples in the form of
round smooth test specimens (STS) made of high strength low alloy steel (HSLA), Nionikral 70 (NN
70), under conditions of low cycle fatigue (LCF), a computational stress analysis was performed
using numerical methods.
Experimental investigations of the behavior of the samples were performed with controlled and fully
reversible deformation ( /2 = const, R = min/ max = 1), according to the ISO 12106:2003 (E)
standard.
For computational analyses, the method of least squares (in the Excel program) and the finite
element method (FEM) (in the SolidWorks program) were used. The behavior of HSLA steel during
low cycle fatigue (LCF) simulation was analyzed in the Cosmos module of the SolidWorks program.
On the basis of the analysis of the results of the stress deformation state and the determination of the
life span through the isolines of the life span and comparison with the results of experimental tests, a
graphic representation is given. Specific load cycles involving the entire round smooth test specimen
ligament for a specific load in a wide range of LCF loads were analyzed.
The analyzes showed the justification of the effort to solve the life assessment of steel subjected to
low cycle fatigue (LCF) numerically. The results of experimental tests and simulation tests also gave
us important data on understanding the LCF behavior of HSLA steel NN 70.",
journal = "16th International Conference on Accomplishments in Mechanical and Industrial Engineering DEMI",
title = "Life assessment using the finite element method of high-strength low-alloy steel samples exposed to low-cycle fatigue",
pages = "499-490",
url = "https://hdl.handle.net/21.15107/rcub_rims_678"
}

Aleksić, V., Bulatović, S., Zečević, B., Maksimović, A.,& Milović, L.. (2023). Life assessment using the finite element method of high-strength low-alloy steel samples exposed to low-cycle fatigue. in 16th International Conference on Accomplishments in Mechanical and Industrial Engineering DEMI, 490-499.
https://hdl.handle.net/21.15107/rcub_rims_678

Aleksić V, Bulatović S, Zečević B, Maksimović A, Milović L. Life assessment using the finite element method of high-strength low-alloy steel samples exposed to low-cycle fatigue. in 16th International Conference on Accomplishments in Mechanical and Industrial Engineering DEMI. 2023;:490-499.
https://hdl.handle.net/21.15107/rcub_rims_678 .

Aleksić, Vujadin, Bulatović, Srđan, Zečević, Bojana, Maksimović, Ana, Milović, Ljubica, "Life assessment using the finite element method of high-strength low-alloy steel samples exposed to low-cycle fatigue" in 16th International Conference on Accomplishments in Mechanical and Industrial Engineering DEMI (2023):490-499,
https://hdl.handle.net/21.15107/rcub_rims_678 .