Buckling and post-buckling of arbitrary shells under thermo-mechanical loading

Rezaiee‐Pajand, Mohammad; Pourhekmat, D.; Arabi, E.

doi:10.1007/s11012-018-00928-7

Cited by 5 publications

(3 citation statements)

References 37 publications

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“…When corrugated cartons are subjected to vertical load from top to bottom, this part of the load is essentially resisted by sideboards of cartons, 11 and the overall instability of sideboards leads to the final destruction of the destroyed cartons. The structural loss of stability is called (structural) buckling, 12, 13 and the corrugated carton is destroyed after being compressed, which is the buckling of the carton. Riccardo et al 14 studied the overall buckling and wrinkling behavior of sandwich panels with anisotropic panels by linear stability analysis.…”

Section: Introductionmentioning

confidence: 99%

Deformation and compressive strength of corrugated cartons under different indentation shapes: Experimental and simulation study

et al. 2020

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A new method to enhance the compressive strength of corrugated cartons is proposed in this study. The work aims to carry out compression tests on the corrugated carton to analyze the deformation and compressive capacity of the carton under the indentation condition of different shapes. First, compression tests are carried out on nonindentation cartons, one-line indentation cartons, unclosed rhombus indentation cartons, rhombus indentation cartons, and cross-indentation cartons to record their maximum compressive force. Second, by comparing the deformation of different cartons, it is found that rhombus indentation and cross-indentation have the greatest influence on the compressive strength of cartons. Rhombus indentation will enhance the compressive strength of the carton, while cross-indentation will reduce it. Third, ANSYS Workbench is used to analyze the buckling of cartons, and the maximum compressive force of nonindentation cartons and rhombus indentation cartons is obtained. Finally, through the comparison of the finite element method and experiments, it is concluded that rhombus indentation can improve the compressive strength of cartons, which is of great significance to the industrial production of cartons.

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Section: Introductionmentioning

confidence: 99%

Deformation and compressive strength of corrugated cartons under different indentation shapes: Experimental and simulation study

et al. 2020

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“…[8][9][10][11] The determination of the critical stress depends on the buckling model. [12][13][14][15][16][17] Due to the high-temperature phase transformation characteristics of some steel grades, like thin gauge and high strength steel or non-oriented electrical steel, 18) the multiphase rolling caused by uneven temperature distribution along the strip width is inevitable during hot finishing rolling as shown in Fig. 1.…”

Section: Introductionmentioning

confidence: 99%

Effect of Uneven Distribution of Material Property on Buckling Behavior of Strip during Hot Finishing Rolling

Liu

et al. 2023

ISIJ Int.

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Unlike traditional austenitic rolling, there is phase transformation during hot finishing rolling for thin gauge and high strength steel or non-oriented electrical steel. The transverse differences of temperature and asynchronous phase transformation result in uneven distribution of material property of rolled strip, further change the buckling behavior of strip during hot finishing rolling. By replacing the elastic modulus constant in the traditional buckling model with the distribution function of tangent modulus obtained by multiphase compression experiments and multifield coupling simulation, the effect of uneven distribution of material property on the critical buckling stress and buckling wave length are analyzed. The results show that for the global longitudinal wave, the critical buckling stress at the exit of stand is greater than that at the entry. But the opposite is true for the local longitudinal wave. Under the effect of uneven distribution of material property, the critical buckling stress and buckling wavelength of global and local center waves change little. The critical buckling stress of global edge wave is almost unchanged, but the buckling wavelength decreases slightly. The critical buckling stress and buckling wavelength of local edge wave are reduced obviously, and the buckling wavelength is decreased by about 10%. It means that the existence of soft ferrite at the strip edge easily makes the wave mode develop to "fragmented edge wave", which is consistent with the actual phenomenon.

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“…Recently, a new quadrilateral shell element was proposed to use in the geometrically nonlinear analysis by Tang et al They considered and investigated drilling, shear and warping effects on the obtained results of linear and nonlinear analyses [38]. Another study which is performed on developing triangular shell elements including drilling degree of freedom was presented recently [39,40]. Accordingly, many studies were implemented on the proposing shell elements and employing in nonlinear analysis, especially geometrically ones.…”

Section: Introductionmentioning

confidence: 99%

A 6-parameter triangular flat shell element for nonlinear analysis

Rezaiee‐Pajand

Masoodi

Arabi

2019

TECM

Self Cite

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In this paper, an improved flat triangular shell element is proposed. This element has three nodes, and in each node, six degrees of freedom are considered. Since there are three rotational degrees of freedom at each node, the drilling effect can be incorporated in authors' formulation. A new procedure is also suggested for updating the director vectors about which the rotational degrees of freedom are defined. In order to study large displacements and rotations, Total Lagrangian principles are employed. In addition, updating the rotational degrees of freedom is implemented using enriched updated director vectors, which are formulated based on the finite rotation method. On the other hand, small strains are considered in this formulation. By utilizing MITC method, shear and membrane locking is mitigated from new element. To examine the performance, the element passes three basic tests, including isotropy, and patch test. Moreover, a convergence study is also implemented to show the elemental behavior. Several popular benchmarks are considered to illustrate the accuracy and capability of the suggested element in geometrically nonlinear analyses.

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Buckling and post-buckling of arbitrary shells under thermo-mechanical loading

Cited by 5 publications

References 37 publications

Deformation and compressive strength of corrugated cartons under different indentation shapes: Experimental and simulation study

Deformation and compressive strength of corrugated cartons under different indentation shapes: Experimental and simulation study

Effect of Uneven Distribution of Material Property on Buckling Behavior of Strip during Hot Finishing Rolling

A 6-parameter triangular flat shell element for nonlinear analysis

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