VELAYUDHAN, Gautham ;VENUGOPAL, Prabhu Raja ;GNANASIGAMONY THANKAREATHENAM, Ebron Shaji ;SELVAKUMAR, Mohanraj ;PUDUKARAI RAMASWAMY, Thyla .
Reliability-Based Design Optimization of Pump Penetration Shell Accounting for Material and Geometric Non-Linearity.
Strojniški vestnik - Journal of Mechanical Engineering, [S.l.], v. 67, n.6, p. 331-340, july 2021.
ISSN 0039-2480.
Available at: <https://www.sv-jme.eu/article/reliability-based-design-optimization-of-pump-penetration-shell-accounting-for-material-and-geometric-non-linearity/>. Date accessed: 23 jan. 2026.
doi:http://dx.doi.org/10.5545/sv-jme.2021.7104A.
Velayudhan, G., Venugopal, P., Gnanasigamony Thankareathenam, E., Selvakumar, M., & Pudukarai Ramaswamy, T.
(2021).
Reliability-Based Design Optimization of Pump Penetration Shell Accounting for Material and Geometric Non-Linearity.
Strojniški vestnik - Journal of Mechanical Engineering, 67(6), 331-340.
doi:http://dx.doi.org/10.5545/sv-jme.2021.7104A
@article{sv-jmesv-jme.2021.7104A,
author = {Gautham Velayudhan and Prabhu Raja Venugopal and Ebron Shaji Gnanasigamony Thankareathenam and Mohanraj Selvakumar and Thyla Pudukarai Ramaswamy},
title = {Reliability-Based Design Optimization of Pump Penetration Shell Accounting for Material and Geometric Non-Linearity},
journal = {Strojniški vestnik - Journal of Mechanical Engineering},
volume = {67},
number = {6},
year = {2021},
keywords = {nuclear reactor; buckling; optimization; reliability; limit load; genetic algorithm},
abstract = {The roof slab of a nuclear reactor supports all the components and sub-systems. It needs to resist the seismic loads in accordance with load-carrying criteria. The static stress analysis of the reactor roof slab reveals that high-stress concentration was present in the pump penetration shell (PPS) that supports the primary sodium pump. This paper presents an assessment of collapse load and the optimization of the pump penetration shell through the reliability approach, accounting for material non-linearity, geometrical non-linearity and randomness in loading. In addition, the load-carrying capacity of PPS was determined considering two different materials: IS2062 and A48P2. The design of experiments (DoE) was formulated considering the flange angle and flange thickness as parameters. An empirical model for load function was formulated from the results of the collapse load obtained for various combinations of design parameters. The above function was used to perform the reliability-based geometry optimization of the PPS of the roof slab.},
issn = {0039-2480}, pages = {331-340}, doi = {10.5545/sv-jme.2021.7104A},
url = {https://www.sv-jme.eu/article/reliability-based-design-optimization-of-pump-penetration-shell-accounting-for-material-and-geometric-non-linearity/}
}
Velayudhan, G.,Venugopal, P.,Gnanasigamony Thankareathenam, E.,Selvakumar, M.,Pudukarai Ramaswamy, T.
2021 July 67. Reliability-Based Design Optimization of Pump Penetration Shell Accounting for Material and Geometric Non-Linearity. Strojniški vestnik - Journal of Mechanical Engineering. [Online] 67:6
%A Velayudhan, Gautham
%A Venugopal, Prabhu Raja
%A Gnanasigamony Thankareathenam, Ebron Shaji
%A Selvakumar, Mohanraj
%A Pudukarai Ramaswamy, Thyla
%D 2021
%T Reliability-Based Design Optimization of Pump Penetration Shell Accounting for Material and Geometric Non-Linearity
%B 2021
%9 nuclear reactor; buckling; optimization; reliability; limit load; genetic algorithm
%! Reliability-Based Design Optimization of Pump Penetration Shell Accounting for Material and Geometric Non-Linearity
%K nuclear reactor; buckling; optimization; reliability; limit load; genetic algorithm
%X The roof slab of a nuclear reactor supports all the components and sub-systems. It needs to resist the seismic loads in accordance with load-carrying criteria. The static stress analysis of the reactor roof slab reveals that high-stress concentration was present in the pump penetration shell (PPS) that supports the primary sodium pump. This paper presents an assessment of collapse load and the optimization of the pump penetration shell through the reliability approach, accounting for material non-linearity, geometrical non-linearity and randomness in loading. In addition, the load-carrying capacity of PPS was determined considering two different materials: IS2062 and A48P2. The design of experiments (DoE) was formulated considering the flange angle and flange thickness as parameters. An empirical model for load function was formulated from the results of the collapse load obtained for various combinations of design parameters. The above function was used to perform the reliability-based geometry optimization of the PPS of the roof slab.
%U https://www.sv-jme.eu/article/reliability-based-design-optimization-of-pump-penetration-shell-accounting-for-material-and-geometric-non-linearity/
%0 Journal Article
%R 10.5545/sv-jme.2021.7104A
%& 331
%P 10
%J Strojniški vestnik - Journal of Mechanical Engineering
%V 67
%N 6
%@ 0039-2480
%8 2021-07-05
%7 2021-07-05
Velayudhan, Gautham, Prabhu Raja Venugopal, Ebron Shaji Gnanasigamony Thankareathenam, Mohanraj Selvakumar, & Thyla Pudukarai Ramaswamy.
"Reliability-Based Design Optimization of Pump Penetration Shell Accounting for Material and Geometric Non-Linearity." Strojniški vestnik - Journal of Mechanical Engineering [Online], 67.6 (2021): 331-340. Web. 23 Jan. 2026
TY - JOUR
AU - Velayudhan, Gautham
AU - Venugopal, Prabhu Raja
AU - Gnanasigamony Thankareathenam, Ebron Shaji
AU - Selvakumar, Mohanraj
AU - Pudukarai Ramaswamy, Thyla
PY - 2021
TI - Reliability-Based Design Optimization of Pump Penetration Shell Accounting for Material and Geometric Non-Linearity
JF - Strojniški vestnik - Journal of Mechanical Engineering
DO - 10.5545/sv-jme.2021.7104A
KW - nuclear reactor; buckling; optimization; reliability; limit load; genetic algorithm
N2 - The roof slab of a nuclear reactor supports all the components and sub-systems. It needs to resist the seismic loads in accordance with load-carrying criteria. The static stress analysis of the reactor roof slab reveals that high-stress concentration was present in the pump penetration shell (PPS) that supports the primary sodium pump. This paper presents an assessment of collapse load and the optimization of the pump penetration shell through the reliability approach, accounting for material non-linearity, geometrical non-linearity and randomness in loading. In addition, the load-carrying capacity of PPS was determined considering two different materials: IS2062 and A48P2. The design of experiments (DoE) was formulated considering the flange angle and flange thickness as parameters. An empirical model for load function was formulated from the results of the collapse load obtained for various combinations of design parameters. The above function was used to perform the reliability-based geometry optimization of the PPS of the roof slab.
UR - https://www.sv-jme.eu/article/reliability-based-design-optimization-of-pump-penetration-shell-accounting-for-material-and-geometric-non-linearity/
@article{{sv-jme}{sv-jme.2021.7104A},
author = {Velayudhan, G., Venugopal, P., Gnanasigamony Thankareathenam, E., Selvakumar, M., Pudukarai Ramaswamy, T.},
title = {Reliability-Based Design Optimization of Pump Penetration Shell Accounting for Material and Geometric Non-Linearity},
journal = {Strojniški vestnik - Journal of Mechanical Engineering},
volume = {67},
number = {6},
year = {2021},
doi = {10.5545/sv-jme.2021.7104A},
url = {https://www.sv-jme.eu/article/reliability-based-design-optimization-of-pump-penetration-shell-accounting-for-material-and-geometric-non-linearity/}
}
TY - JOUR
AU - Velayudhan, Gautham
AU - Venugopal, Prabhu Raja
AU - Gnanasigamony Thankareathenam, Ebron Shaji
AU - Selvakumar, Mohanraj
AU - Pudukarai Ramaswamy, Thyla
PY - 2021/07/05
TI - Reliability-Based Design Optimization of Pump Penetration Shell Accounting for Material and Geometric Non-Linearity
JF - Strojniški vestnik - Journal of Mechanical Engineering; Vol 67, No 6 (2021): Strojniški vestnik - Journal of Mechanical Engineering
DO - 10.5545/sv-jme.2021.7104A
KW - nuclear reactor, buckling, optimization, reliability, limit load, genetic algorithm
N2 - The roof slab of a nuclear reactor supports all the components and sub-systems. It needs to resist the seismic loads in accordance with load-carrying criteria. The static stress analysis of the reactor roof slab reveals that high-stress concentration was present in the pump penetration shell (PPS) that supports the primary sodium pump. This paper presents an assessment of collapse load and the optimization of the pump penetration shell through the reliability approach, accounting for material non-linearity, geometrical non-linearity and randomness in loading. In addition, the load-carrying capacity of PPS was determined considering two different materials: IS2062 and A48P2. The design of experiments (DoE) was formulated considering the flange angle and flange thickness as parameters. An empirical model for load function was formulated from the results of the collapse load obtained for various combinations of design parameters. The above function was used to perform the reliability-based geometry optimization of the PPS of the roof slab.
UR - https://www.sv-jme.eu/article/reliability-based-design-optimization-of-pump-penetration-shell-accounting-for-material-and-geometric-non-linearity/
Velayudhan, Gautham, Venugopal, Prabhu Raja, Gnanasigamony Thankareathenam, Ebron Shaji, Selvakumar, Mohanraj, AND Pudukarai Ramaswamy, Thyla.
"Reliability-Based Design Optimization of Pump Penetration Shell Accounting for Material and Geometric Non-Linearity" Strojniški vestnik - Journal of Mechanical Engineering [Online], Volume 67 Number 6 (05 July 2021)
