Finite element method on topology optimization applied to laminate composite of fuselage structure

Aribowo, Agus; Adhynugraha, Muhammad Ilham; Megawanto, Fadli Cahya; Hidayat, Arif; Muttaqie, Teguh; Wandono, Fajar Ari; Nurrohmad, Abian; Chairunnisa,; Saraswati, Sherly Octavia; Wiranto, Ilham Bagus; Fikri, Iqbal Reza Al; Saputra, Muhammad Dito

doi:10.1515/cls-2022-0191

Cited by 5 publications

(4 citation statements)

References 16 publications

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“…However, in the optimization results, the mass reduction in the model was not in accordance with the predetermined mass retained because the optimization results need to be redesigned by considering the production process to be carried out. Compared with other studies on different structural applications, topology optimization results applied to the frame fuselage component of the MALE UAV successfully reduced an average of 26% of the overall frame weight [19].…”

Section: Structural Performance Of Optimized Designmentioning

confidence: 81%

“…Strain energy was chosen as the objective function to be minimized, and the percentage of unused volume was 60-80%. The optimization process can be executed by selecting the limit option of 50 design cycles, because the topology optimization process generally reaches a convergence value of 25-40 cycles [19]. The optimization process was stopped until the minimum strain value was obtained.…”

Section: Topology Optimization Frameworkmentioning

confidence: 99%

“…Pingale et al [18] produced a lighter hull structure chassis design for wheeled combat vehicles using topology optimization. Topology optimization of lighter unmanned aircrafts was also successfully designed by Aribowo et al [19]. Topology optimization successfully improved the strength of the fixed offshore structure design investigated by Hyun-Seok et al [20].…”

Section: Introductionmentioning

confidence: 98%

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Design Improvement Using Topology Optimization for the Structural Frame Design of a 40 Ft LNG ISO Container Tank

Tuswan,

Andrian,

Amiruddin

et al. 2024

Designs

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LNG ISO tank containers are a solution for bulk liquefied natural gas (LNG) delivery to the outer islands of Indonesia that are not connected to the gas pipeline network. The design of an ISO tank frame must consider two critical parameters, strength/rigidity and weight saving, which affect the operational performance of the distribution process. The current investigation aims to numerically optimize the design of the structural frame of a 40 ft LNG ISO tank for a mini LNG carrier operation using a topology optimization framework. Two design solutions are used in the topology optimization framework: reducing the strain energy and mass retained. Mass retained was selected as the objective function to be minimized, which was assumed to be 60–80%. The proposed frame design is tested using three operational loading scenarios, including racking, lifting, and stacking tests based on the ISO 1496 standard. The convergence mesh tests were initially evaluated to obtain the appropriate mesh density in the finite element analysis (FEA). The simulation findings show that the topology optimization method of the frame design resulted in an improved design, with an increase in the strength-to-weight saving ratio. A promising result from the optimization scenario demonstrates weight savings of about 18.4–37.3%, with experienced stress below the limit criteria. It is found that decreasing mass retained causes a significant stress increase in the structural frame and ISO corner castings, especially in the stacking load. The critical recommendation in the frame design of the LNG ISO tank can be improved by eliminating the saddle support and bottom frame and increasing the thickness of the vertical frame.

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Section: Structural Performance Of Optimized Designmentioning

confidence: 81%

Section: Topology Optimization Frameworkmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 98%

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Design Improvement Using Topology Optimization for the Structural Frame Design of a 40 Ft LNG ISO Container Tank

Tuswan,

Andrian,

Amiruddin

et al. 2024

Designs

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“…Case study by Aribowo et al, regarding a numerical study on topology optimization to design a lightweight and structurally strong composite fuselage frame on MALE UAV [6]. This research applies a numerical study of topology optimization of laminated composite structures using the finite element method (FEM), the results of the study show that the proposed topology optimization methodology is a promising approach for designing lightweight and structurally strong composite structures for MALE UAVs.…”

Section: Introductionmentioning

confidence: 99%

Topology Optimization of an Inter-Island Aircraft Rudder Quadrant Using Finite Element Method

Putera,

Aji Warsiyanto,

Sitinjak

et al. 2024

Proceedings of the 2nd International Conference on Aviation Industry, Education, and Regulation, AVINER 2023, 8-9 November 2023

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Topology optimization has become an effective tool for mass reduction and good performance, especially in aeronautics and aerospace engineering. This research applies topology optimization using the finite element method (FEM) on the aircraft rudder quadrant structure of a 19 passengers inter-island aircraft. The analysis was performed by considering the maximum stress, mass reduction, and displacement that occur on the aircraft rudder quadrant in the initial and final design. In the initial design with a mass of 544.5 grams, the maximum stress and maximum displacement that occur is 24.4 MPa and 0.473 mm, respectively. In the final design, the mass reduction obtained is 13.77%, namely 469.5 grams, with a maximum stress of 22.6 MPa and maximum displacement of 0.579 mm. The static test results obtained after the redesign have decreased the maximum stress. This is because fillets can reduce the angular roughness between two surfaces, thereby increasing a more even stress distribution. It is expected that the implementation of the topology optimization on the quadrant component could comply with the required strength.

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Finite element analysis of MHD naturally convective flow past an exponentially accelerated plate with viscous dissipation

Divya,

Sheri,

Suram

2023

Numerical Heat Transfer, Part B: Fundamentals

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Finite element method on topology optimization applied to laminate composite of fuselage structure

Cited by 5 publications

References 16 publications

Design Improvement Using Topology Optimization for the Structural Frame Design of a 40 Ft LNG ISO Container Tank

Design Improvement Using Topology Optimization for the Structural Frame Design of a 40 Ft LNG ISO Container Tank

Topology Optimization of an Inter-Island Aircraft Rudder Quadrant Using Finite Element Method

Finite element analysis of MHD naturally convective flow past an exponentially accelerated plate with viscous dissipation

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