Model tests of bending and torsional deformations of thin-walled profiles stiffened with elements made in 3D printing technology

Kosiń, Mariusz; Major, Izabela; Major, Maciej; Kalinowski, J.E.

doi:10.1016/j.cscm.2020.e00401

Cited by 3 publications

(3 citation statements)

References 4 publications

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“…Recently, the 3D printing technology [ 1 ], robot software organization [ 2 , 3 ], self-healing display screen [ 4 ], wearable electronic materials and battery expansion deformation are promoted [ 5 , 6 ]. These materials have a common deformation of porous materials deformation, followed by deformation related to temperature [ 7 , 8 , 9 , 10 ].…”

Section: Introductionmentioning

confidence: 99%

A Dynamic Thermal-Mechanical Coupling Numerical Model to Solve the Deformation and Thermal Diffusion of Plates

2022

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Elastic materials include metal plates, rubber, foam, airbags and so on, which have a good buffer effect, toughness and strong recovery ability. In this paper, the deformation and thermal diffusion of 2D and 3D thin plates are studied. Two models are established for the deformation of 2D thin plates. The bending deformation equation of rectangular and circular plates is derived, and the semi-analytical solution of the deflection function w(x,y) is found through the Fourier series approximation in the polar coordinate. The consistencies of the numerical solution and the theoretical solution are verified by numerical method. Then, we find that the factors affecting the deformation are related to the Young’s modulus, load, plate length and deformation factor α of the material. In a separate temperature physics field, we establish a heat conduction model of 2D graphene film. Three numerical schemes of the transient heat conduction equation of FDM-FEM are given. In contrast, this paper uses the implicit Euler method to discrete the time term. Furthermore, we compared the difference between the adiabatic condition and the convection condition by the graphical method and the curve trend. The results show that the temperature near the adiabatic boundary is higher. Finally, we proposed a 3D dynamic thermal–mechanical coupling model (3D-DTMCM) that has been established. A laser heating monocrystalline silicon sheet with periodic motion formula is given. The temperature radiation of the laser heat source has Gaussian distribution characteristics. Our proposed model can dynamically determine Young’s modulus with a variable temperature. The numerical results show that the higher the temperature is, the higher the strain energy density of the plate is. In addition, the deformation amplitude of the plates in the coupling field is larger than that in the single mechanical field. Finally, we also discussed the stress field distribution of mixed cracks under high temperature and high load. Our research provides theoretical support for the deformation of different plates, and also reflects the value of the coupled model in practical applications.

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Section: Introductionmentioning

confidence: 99%

A Dynamic Thermal-Mechanical Coupling Numerical Model to Solve the Deformation and Thermal Diffusion of Plates

2022

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“…By inventing new solutions, we strive for more and more effective use of materials and objects, so that the cost of construction and operation of buildings is as economical as possible, while meeting all the requirements in terms of cubic capacity and safe operation. In the article [4], the authors presented proprietary solutions with the use of 3D printing to increase the stiffness of thin-walled bars. As part of the research, it was shown that the self-locking insert, made in 3D printing technology, is an effective way to increase the stiffness of thin-walled C-profiles.…”

Section: Introductionmentioning

confidence: 99%

“…As part of the research, it was shown that the self-locking insert, made in 3D printing technology, is an effective way to increase the stiffness of thin-walled C-profiles. Such solutions enable more effective use of smaller sections, which translates into a lighter and cheaper structure [4]. On the other hand, in articles [5][6][7][8][9][10][11], the authors presented the methods of connections in structures, comparing various solutions to demonstrate the most effective solutions ensuring adequate load-bearing capacity.…”

Section: Introductionmentioning

confidence: 99%

Analysis of the skeleton tension structure as the load-bearing structure of a one-nave hall

Palacz

Major

2021

E3S Web Conf.

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In designing cubature buildings, an important stage is the selection of an appropriate construction solution, depending on the intended use and location of the designed building. When selecting the load-bearing structures, the designers strive to ensure that the structure weighs as little as possible, while meeting the strength conditions and ensuring the safe operation of the building. The article compares the load-bearing systems of the steel structure of a one-nave hall due to the economy of execution and meeting the ULS and SLS conditions. The analysis was carried out on four types of transverse system, including three frame systems with tendons and for a frame system with a lattice transom of the “N” type. Static calculations as well as dimensioning and optimization of the transverse load-bearing structures were performed in RFEM program, modelling the hall structure in 3D.

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Numerical Analysis of the Connection of Light Frame Elements in the Sunday System Technology

Kosiń

Kalinowski

2022

Construction Technologies and Architecture

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The work is devoted to the numerical analysis of connections of light frame elements in the Sunday system technology. The analyzed technology is described, which in the light of the requirements in terms of structure mechanics as well as more and more stringent energy efficiency is an economical and effective solution. Complex numerical calculations require the introduction of appropriate input data to create computer models. In order to perform the simulation, the influence of the adopted schematic characterization of the material on the course of the stress-strain curves obtained by numerical analysis using the Ansys Reaserch 2021 program based on the finite element method was presented. The authors described the procedure for performing numerical analysis, taking into account material nonlinearity. The material models used for this type of calculations were also noted. On the example of a connection of elements of a light frame structure, the influence of the adopted material characteristics on the result of the obtained numerical calculations is presented.

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Model tests of bending and torsional deformations of thin-walled profiles stiffened with elements made in 3D printing technology

Cited by 3 publications

References 4 publications

A Dynamic Thermal-Mechanical Coupling Numerical Model to Solve the Deformation and Thermal Diffusion of Plates

A Dynamic Thermal-Mechanical Coupling Numerical Model to Solve the Deformation and Thermal Diffusion of Plates

Analysis of the skeleton tension structure as the load-bearing structure of a one-nave hall

Numerical Analysis of the Connection of Light Frame Elements in the Sunday System Technology

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