Relevant bibliographies by topics / Buckling verification

Academic literature on the topic 'Buckling verification'

Author: Grafiati
Published: 11 March 2023

Create a spot-on reference in APA, MLA, Chicago, Harvard, and other styles

Select a source type:

Contents

Consult the lists of relevant articles, books, theses, conference reports, and other scholarly sources on the topic 'Buckling verification.'

Next to every source in the list of references, there is an 'Add to bibliography' button. Press on it, and we will generate automatically the bibliographic reference to the chosen work in the citation style you need: APA, MLA, Harvard, Chicago, Vancouver, etc.

You can also download the full text of the academic publication as pdf and read online its abstract whenever available in the metadata.

Journal articles on the topic "Buckling verification"

1

Braun, Benjamin, Martin Deutscher, and Ulrike Kuhlmann. "Stability verification of hydraulic steel structures." Advances in Structural Engineering 21, no. 16 (July 17, 2018): 2553–70. http://dx.doi.org/10.1177/1369433218787722.

Full text
Abstract:
An overview and assessment for buckling verification of plate- and shell-like elements in hydraulic steel structures is given with regard to current standards DIN 19704-1, EN 1993-1-5, EN 1993-1-6, and EN 1993-1-7. Background information is included for verification procedures that require some explanations either due to gaps or fragmentation in several EN parts. A general way forward for the future framework with regard to buckling verification of hydraulic steel structures is proposed based on the findings herein.
APA, Harvard, Vancouver, ISO, and other styles
2

Jing, Zhao, Qin Sun, Ke Liang, and Jianqiao Chen. "Closed-Form Critical Buckling Load of Simply Supported Orthotropic Plates and Verification." International Journal of Structural Stability and Dynamics 19, no. 12 (December 2019): 1950157. http://dx.doi.org/10.1142/s0219455419501578.

Full text
Abstract:
The buckling mode is important to determine the critical load of specially orthotropic rectangular plates under axial compression with simply supported boundary. However, in classical laminated plate theory (CLPT), the critical buckling mode can only be obtained by iterative or numerical methods. This paper derives the critical buckling mode mathematically and presents the critical buckling load in closed form. By taking advantage of the derived closed-form solution, it is convenient to investigate the effects of aspect ratio, load ratio, and fiber orientation on the buckling load, and the parameters affecting the buckling mode can be easily obtained. The first-order shear deformation theory (FSDT)-based finite element method is developed to verify the closed-form solution. The bending-torsional coupling effects are analyzed and discussed to assess the approximation of the buckling behavior of specially orthotropic plates to general laminates. The obtained finite element solutions of general laminates are compared with the closed-form solutions of specially orthotropic plates. The accuracy of approximation of the buckling behavior of specially orthotropic plates to the general laminates increases as the bending-torsional coupling coefficients decrease. The closed-form solution can be applied to laminates with small bending-torsional coupling coefficients.
APA, Harvard, Vancouver, ISO, and other styles
3

Deo, M. V., and P. Michaleris. "Experimental Verification of Distortion Analysis of Welded Stiffeners." Journal of Ship Production 18, no. 04 (November 1, 2002): 216–25. http://dx.doi.org/10.5957/jsp.2002.18.4.216.

Full text
Abstract:
This paper presents an experimental verification for the predictive distortion analysis approach proposed in Michaleris & DeBicarri (1996,1997) and Vanli & Michaleris (2001) for welded T-type stiffeners. The predictive technique employing the decoupled 2-D and 3-D approach is used for the prediction of buckling distortion and the magnitude of bowing distortion. Two-dimensional thermo-mechanical welding process simulations are performed to determine the residual stress. The critical buckling stress along with the buckling mode are computed in 3-D eigenvalue analyses. Large deformation analyses are carried out to predict the magnitude of bowing distortion. Experimental validation of the prediction is carried out in the lab. Welding experiments are carried out using welding conditions identical to those used in the FEA model. The computational results are then verified with experimental observations
APA, Harvard, Vancouver, ISO, and other styles
4

Bluhm, Gore Lukas, Keld Christensen, Konstantinos Poulios, Ole Sigmund, and Fengwen Wang. "Experimental verification of a novel hierarchical lattice material with superior buckling strength." APL Materials 10, no. 9 (September 1, 2022): 090701. http://dx.doi.org/10.1063/5.0101390.

Full text
Abstract:
Recently, a systematic approach for the design of lattice materials with extreme buckling strength has led to optimized hierarchical lattice materials with unprecedented load carrying capacity. This is obtained at the cost of a small decrease in linear stiffness. However, the superior buckling resistance of such optimized hierarchical lattice materials has so far only been predicted numerically. In fact, concerns have been raised regarding the validity of the employed linear buckling analysis and potential risk of catastrophic failure due to the coalescence of multiple critical buckling modes. This work aims at refuting these concerns by designing and testing manufacturable novel hierarchical lattice materials with superior buckling strength. Thereby, the basis is provided for wide applications of these high-performing materials in mechanical design. A novel hierarchical material is generated for this work by combining the mentioned design procedure with a requirement on the minimum feature size to ensure manufacturability. For addressing the raised concerns, the optimized material design, together with a reference material, is realized with the help of additive manufacturing and experimentally tested in uniaxial compression. The obtained results are compared to numerical simulations considering geometrical and material nonlinearities, and an overall good agreement is found between experimental and numerical results. This confirms an increase in buckling resistance and post-buckling load carrying capacity by a factor of more than three compared to the regular reference lattice structure. Hence, the buckling superiority of this novel type of architected materials is clearly demonstrated.
APA, Harvard, Vancouver, ISO, and other styles
5

GE, HANBIN, and XIAOQUN LUO. "A SEISMIC PERFORMANCE EVALUATION METHOD FOR STEEL STRUCTURES AGAINST LOCAL BUCKLING AND EXTRA-LOW CYCLE FATIGUE." Journal of Earthquake and Tsunami 05, no. 02 (June 2011): 83–99. http://dx.doi.org/10.1142/s1793431111001005.

Full text
Abstract:
A practical performance evaluation method against local buckling and extra-low cycle fatigue (ELCF) is proposed in this study for steel structures. For thin-walled steel structures, local buckling is the main failure mode while brittle fracture due to ductile crack initiation under ELCF loading should be the dominant failure in thick-walled steel structures. A damage index verification method based on an FEM analysis using shell elements was previously presented by the authors to evaluate such a ductile failure. In the present study, a simplified verification method based on a fiber model FEM analysis using beam elements is proposed and the damage index is modified to consider strain concentration effects. Comparisons between experimental and analytical results show good prediction of ductile crack initiation in the current study. Finally, a unified verification method against local buckling and ELCF is summarized.
APA, Harvard, Vancouver, ISO, and other styles
6

Anandjiwala, R. D., and J. W. Gonsalves. "Nonlinear Buckling of Woven Fabrics Part II: Recovery from Buckling and Experimental Verification." Textile Research Journal 79, no. 1 (January 2009): 4–13. http://dx.doi.org/10.1177/0040517508091316.

Full text
APA, Harvard, Vancouver, ISO, and other styles
7

Hradil, Petr, and Asko Talja. "Numerical verification of stainless steel overall buckling curves." Thin-Walled Structures 83 (October 2014): 52–58. http://dx.doi.org/10.1016/j.tws.2014.01.011.

Full text
APA, Harvard, Vancouver, ISO, and other styles
8

Karamanos, Spyros A., and John L. Tassoulas. "Tubular Members. II: Local Buckling and Experimental Verification." Journal of Engineering Mechanics 122, no. 1 (January 1996): 72–78. http://dx.doi.org/10.1061/(asce)0733-9399(1996)122:1(72).

Full text
APA, Harvard, Vancouver, ISO, and other styles
9

Koyano, Kazuhisa, Masanori Fujita, and Mamoru Iwata. "Verification of Clearance and Gap for Fabricating the Buckling-Restrained Brace Using Steel Mortar Planks." Key Engineering Materials 763 (February 2018): 941–48. http://dx.doi.org/10.4028/www.scientific.net/kem.763.941.

Full text
Abstract:
The buckling-restrained brace must be able to provide the designed structural performance in actual use. In other words, the buckling-restrained brace must retain its initial quality in during the fabricating process. In this study, for the purpose of ensuring the initial quality of the buckling-restrained brace using steel mortar planks (BRBSM), quality control values at the time of fabrication are set and conduct verification testing on clearance and gap.
APA, Harvard, Vancouver, ISO, and other styles
10

Kala, Zdeněk. "Probabilistic Verification of Structural Stability Design Procedures." Open Civil Engineering Journal 12, no. 1 (September 27, 2018): 283–89. http://dx.doi.org/10.2174/1874149501812010283.

Full text
Abstract:
Introduction: This contribution presents a comparison of three methods of the statistical computation of the design load-carrying capacity of a steel plane frame. Two approaches of the European Standard Eurocode 3 and one stochastic approach are applied. The stochastic approach takes into account the random influence of all imperfections and can be applied to the reliability verification of design according to Eurocode 3. Methods: The columns and beams in the steel frame are modelled with beam elements using the stability solution with buckling length and the geometrically nonlinear solution. The stochastic computational model is based on the geometrically nonlinear solution and on the random influence of initial imperfections, whose random samplings are simulated using the Monte Carlo method. Results and Conclusion: The design load-carrying capacity of the steel plane frame computed using the stability solution with buckling length is in good agreement with the stochastic solution in which the design value is calculated as 0.1 percentile. On the contrary, the geometrically nonlinear solution according to Eurocode 3 gives the lowest (safest) values of design load-carrying capacity.
APA, Harvard, Vancouver, ISO, and other styles
More sources

Dissertations / Theses on the topic "Buckling verification"

1

Horáček, Martin. "Klopení tenkostěnných ocelových nosníků s otvory ve stěně." Doctoral thesis, Vysoké učení technické v Brně. Fakulta stavební, 2016. http://www.nusl.cz/ntk/nusl-355631.

Full text
Abstract:
The current trend in the design of steel structures leads, due to the saving of the material, to the frequent use of thin-walled cold formed steel sections. Thin cold-formed steel profiles are often manufactured with web holes. A specific example of thin-walled steel profiles are Sigma beams used in additionally installed built-in floors systems in warehouses. The aim of doctoral thesis is the analysis, assessment and experimental verification of the technical solution of thin-walled steel beams with web openings loaded in bending with respect to lateral torsional buckling. The objective is to develop knowledge about the real properties of steel members of considered structural arrangement in order to specify the methods of analysis and design in industrial practice. The theoretical analysis describes the behavior of the beams by means of solving the differential equations of the equilibrium on deformed element of thin walled member under bending. In case of beams with web holes is used the solution in the form of introduction of substitute cross-section properties, which are defined as the weighted average of the properties of full and weakened section. The numerical analysis is focused on the use of commonly available software in order to predict the bending resistance of beams with web opening with respect to lateral torsional buckling. Since the software used in practice solves only the prismatic beams without option to model the web openings, it is in frame of numerical analysis verified the model of beam with reduced thickness of web constantly over the whole beam length in the zone of perforation. The experimental analysis is firstly focusing on the verification of real bending and torsion stiffness of the beams, based on which are being derived the values of basic cross-sectional properties. Subsequently the experimental verification of real bending resistance with respect to the lateral torsional buckling is being performed.
APA, Harvard, Vancouver, ISO, and other styles
2

Bedon, Chiara. "Problemi di stabilità negli elementi in vetro strutturale e studio innovativo di facciate in vetro-acciaio sottoposte a carico da esplosione." Doctoral thesis, Università degli studi di Trieste, 2012. http://hdl.handle.net/10077/7403.

Full text
Abstract:
2010/2011
Recentemente, la richiesta architettonica sempre più spinta di trasparenza e luminosità ha favorito la diffusione nell’edilizia del vetro come materiale da costruzione. Sebbene si tratti di un materiale ancora poco conosciuto rispetto ad altri materiali convenzionali, il vetro trova, infatti, ampia applicazione nelle realizzazioni strutturali più innovative. Anche se le soluzioni architettoniche proposte trovano ampio consenso, spesso la difficoltà principale consiste nel dimensionare adeguatamente tali elementi e nel preservarne l’integrità da eventuali fenomeni di instabilità. Con riferimento a questo tema, nella presente tesi vengono proposte alcune significative formulazioni analitiche per la verifica di stabilità di elementi in vetro monolitico, stratificato o vetro-camera, con particolare attenzione per il comportamento di travi compresse, travi inflesse, pannelli sottoposti a compressione nel piano o taglio nel piano. Allo stesso tempo, viene studiato il comportamento di facciate in vetro-acciaio sottoposte a carico da esplosione, con riferimento specifico a due tipologie di facciata note come facciate continue a lastre indipendenti, controventate da un sistema di cavi pretesi, e facciate a pannelli, nelle quali le lastre di vetro sono sostenute da un telaio metallico di supporto. Per ciascuna tipologia di facciata, vengono evidenziate le criticità dovute a carichi da esplosione di varia intensità mediante opportuni modelli numerici. Inoltre, viene analizzato l’effetto di eventuali dispositivi in grado di mitigarne le componenti principali assorbendo e/o dissipando parte dell’energia d’ingresso associata all’evento esplosivo.
Recently, due to aesthetic and architectural requirements of transparency and lightness, the use of glass as a structural material showed a strong increase. Although its load carrying behavior is actually not well-known, glass finds large application in modern and innovative buildings. Nevertheless, the main difficulties are related to the proper design of these structural elements and in the preservation of their integrity, avoiding possible buckling phenomena. In this context, this Doctoral Thesis proposes a series of interesting analytical formulations suitable for the buckling verification of monolithic, laminated, insulated structural glass element, with particular attention for the load carrying behavior of beams in compression or in bending, as well as for the buckling response of glass panels subjected to in-plane compression or shear. At the same time, the Thesis focuses also on the dynamic behavior of two different typologies of steel-glass façades subjected to air blast loads, whit particular attention to the analysis of cable-supported façades and conventional curtain walls, in which a metallic frame supports the glass panels. In both the circumstances, accurate numerical simulations are performed to highlight the criticalities of similar structural systems, in presence of high-level or medium / low-level air blast loads. Finally, the structural benefits of possible devices able to mitigate the effects of explosions in the main components of these façades, by partly storing / dissipating the incoming energy, are investigated numerically and analytically.
XXIV Ciclo
1983
APA, Harvard, Vancouver, ISO, and other styles
3

Lin, Hsien-Liang, and 林憲良. "Pseudodynamic Testing and Verification of Buckling Restrained Nonlinear Components." Thesis, 2007. http://ndltd.ncl.edu.tw/handle/86418511590087552013.

Full text
Abstract:
碩士
國立成功大學
土木工程學系碩博士班
95
The nonlinear behavior of a structure under severe earthquake is difficult to predict if the corresponding mathematical model is unknown or complicated to identify. As control hardware and software evolved, the pseudodynamic testing technique is getting more and more mature and can be implemented to observe the dynamic response of a nonlinear component. The step-by-step Newmark explicit integration method is applied together with the help of NI-6031E data acquisition card and INSTRON 8800 material testing machine to conduct the experimental task. The restoring force of the nonlinear specimen is measured and fed back to the numerical model to predict the displacement of next step. In order to construct a pseudodynamic testing apparatus, the SIMULINK toolbox and the Real-Time Window Target package provided by the MathWorks are integrated to serve as the communication medium to the INSTRON 8800 controller. A few critical calibration procedures are also suggested in this study to ensure the precision and accuracy of experimental measurements that will consolidate the results of a typical pseudodynamic testing. Some critical parameters of a nonlinear hysteretic model of the simple buckling restrained component (SBRC) are identified based on the result of standard loading protocol suggested by AISC. The simulated responses subjected different earthquake excitations are compared with the experimental data measured from a series of pseudodynamic testing on these SBRC specimens. The results show that the identified hysteretic model requires some modifications to conform to the real dynamic behavior observed from the pseudodynamic testing.
APA, Harvard, Vancouver, ISO, and other styles
4

Anwar, Gulzaib. "Assessment of Eurocode methodologies for verification of flexural and lateral torsional buckling of prismatic beam-columns." Master's thesis, 2015. http://hdl.handle.net/10316/38641.

Full text
Abstract:
Dissertação de Mestrado em Engenharia Civil, Construção Metálica e Mista, apresentada à Faculdade de Ciências e Tecnologia da Universidade de Coimbra.
At present, EC3 provides several methodologies for the stability verification of members and frames. Each of these methodologies has its own scope of applicability. The rules provided in clause 6.3.1 are for flexural buckling of uniform members and are based on the famous Ayrton-Perry type of formulation which is of straight-forward application and it has a clear mechanical background. Clause 6.3.2 of the Eurocode deals with lateral torsional buckling of uniform members. In this thesis focus is given to prismatic beam-columns. They can be designed using clause 6.3.3 which gives the interaction formulae for stability verification of a member subject to bending moment and axial force; as an alternative – in clause 6.3.4 the General Method is suggested. However, application of this method has been shown not to be reliable in many scientific studies – either due to the lack of mechanical consistency or due to the lack of clarification in adopting certain decisions for non-standard situations. It was the purpose of this study to review the application of existing procedures for verification of flexural and lateral-torsional buckling of simply supported prismatic beamcolumns. This included recent proposals for lateral-torsional buckling of beams (Taras, 2010), the consideration of cross-section classification along member length (Greiner et al, 2011) and safety assessment and comparison of existing procedures in EC3-1-1 by a parametric study consisting of I-shaped cross sections ranging from class 1 to class 3, with different lengths, loading types (uniaxial bending with axial force) and height over width (h/b) ratios. Results from clauses 6.3.1 to 6.3.3, general method and GMNIA were calculated for 4144 cases. In comparison with results from 6.3.1 to 6.3.3, the general method is more unsafe. Its results were found to vary with increasing cross sectional slenderness and increasing length. On the other hand results from clauses 6.3.1 to 6.3.3 are more conservative. In comparison, the general method was found to have a higher spread as indicated by the standard deviation of its results than from 6.3.1 to 6.3.3. Results from general method varied when calculated from different alternatives in the general method. When interpolation criteria was used in the general method, the results were more un-conservative in comparison to the minimum criteria. The spread of the general method included both safe and unsafe results whereas the results from 6.3.1 to 6.3.3 remained mostly conservative.
APA, Harvard, Vancouver, ISO, and other styles

Book chapters on the topic "Buckling verification"

1

Mendes, Luiz Carlos, and Gustavo Coquet Braga. "Structural instability mechanisms on bridges neoprene bearings." In METHODOLOGY FOCUSED ON THE AREA OF INTERDISCIPLINARITY- V1. Seven Editora, 2023. http://dx.doi.org/10.56238/methofocusinterv1-085.

Full text
Abstract:
Bearings are subjected to several structural instability mechanisms due to their loads. Several mechanisms involving buckling are to be analyzed in this article, like strain limit, sliding limit, tensile in steel sheet, rotation limit verification, curvature instability and friction instability to different kinds of loads. Finite Element Method and Symbolic Algebraic Computation were employed in order to analyze behavior in several bearings sections in compliance with European Codes.
APA, Harvard, Vancouver, ISO, and other styles
2

Gizejowski, M., R. Szczerba, and M. Gajewski. "A unified resistance verification of beam-columns not susceptible to LT-buckling." In Metal Structures 2016, 169–77. CRC Press, 2016. http://dx.doi.org/10.1201/b21417-24.

Full text
APA, Harvard, Vancouver, ISO, and other styles
3

"7.3. Dynamic effects on building. 3.7.4. Noise. 3.7.5. Starting time requirements. 3.7.6. Life expectation. 3.7.7. Instructions. 4. Unusual verification tests. 4.1. General remarks. 4.2. Tests with non-axial load. 4.3. Buckling tests. 4.4. Tests with specification sets subjected to bending. 4.5. Fatigue performance of servo-controlled testing systems. 4.6. Constant load devices. 4.7. Constant load tests. 4.8. Tests with sudden variations of the specimen reaction. 4.9. Transition problems in block programming. 5. Comments. 5.1. General remarks. 5.2. Possible approaches to specification of performance. 5.3. Stiffness. 5.4. Effects on stress distribution in specimens. 5.5. Friction. 5.5.1. General remarks. 5.5.2. Effects of friction on gripping devices, etc. 5.5.3. Effects of friction in load measuring devices. 5.6. Accuracy. 5.7. Energy considerations. 6. Notation. 7. Index. 1. INTRODUCTION 1.1. Purpose." In RILEM Technical Recommendations for the testing and use of construction materials, 1530–31. CRC Press, 1994. http://dx.doi.org/10.1201/9781482271362-369.

Full text
APA, Harvard, Vancouver, ISO, and other styles

Conference papers on the topic "Buckling verification"

1

Huang, Xiaoxia. "Engineering Algorithm and Verification of the Composite Stiffened Panel’S Compression Buckling." In 2020 11th International Conference on Mechanical and Aerospace Engineering (ICMAE). IEEE, 2020. http://dx.doi.org/10.1109/icmae50897.2020.9178881.

Full text
APA, Harvard, Vancouver, ISO, and other styles
2

Cheng, Hang Shawn, Jian Cao, and Hui-Ping Wang. "Experimental and Numerical Analysis of the Buckling and Post-Buckling Phenomenon in the Yoshida Test." In ASME 2006 International Manufacturing Science and Engineering Conference. ASMEDC, 2006. http://dx.doi.org/10.1115/msec2006-21029.

Full text
Abstract:
Simulation-based Design and Manufacturing has shown its great effectiveness in shortening the design cycle. The objective of this work was to further increase the robustness of numerical prediction in capturing subtle wrinkling in sheet metal forming process. A stress-based wrinkling predictor is further developed to predict the initiation and wave mode of potential wrinkling in forming of flat sheet. The predictor is linked to the LS-DYNA commercial FEM package. Stress prediction from LS-DYNA was compared to the implicit code ABAQUS and satisfactory results were obtained. Hence, stress, nodal coordinates and connectivity information of the LS-DYNA simulation are fed into the predictor via an automatic interface program. A set of Yoshida buckling tests was used as a verification tool for the wrinkling predictor. 0.78mm thick 180B steel and 1.012mm thick 6111-T4P aluminum are tested. Through the comparison of the experiments and simulations, it shows that the wrinkling predictor is able to predict the initiation point and wave mode for the wrinkling accurately. In addition, post-buckling behavior in numerical simulations was captured through including initial imperfections following the wrinkling mode predicted. It was found that such a method provides more reliable results in terms of the post-buckling behavior than random imperfection.
APA, Harvard, Vancouver, ISO, and other styles
3

Ando, Masanori, Taiji Tezuka, Toshio Nakamura, Tomohiro Okawa, Yasuhiro Enuma, Nobuchika Kawasaki, and Kazuyuki Tsukimori. "An Evaluation Method for Plastic Buckling of Cantilever Type Pipes Controlled by Displacement Loads: Part 2—Verification of Proposal Method by Buckling Test." In ASME 2011 Pressure Vessels and Piping Conference. ASMEDC, 2011. http://dx.doi.org/10.1115/pvp2011-57548.

Full text
Abstract:
In Fast Breeder Reactors, dominant stresses in the system are secondary, which are induced by constraint of the thermal expansion of components and pipes. Therefore, the structural design rule should essentially prevent the buckling caused by displacement-controlled loads. In this paper the applicability of the estimation method of buckling criterion, which was proposed by the authors on the basis of a series of Finite Element Analysis (FEA), was confirmed by carrying out a series of buckling tests. The displacement-controlled buckling tests were performed with cantilever type pipes made of Mod.9Cr-1Mo steel at room temperature and at 550°C. A visual measurement using image processing was applied to clarify both deformation profile and strain distribution at the local buckling portion of pipes. FEA was used in advance for estimating the buckling behavior of tests, such as load-displacement relationship, deformation profile and longitudinal strain distribution. Comparison between test and FEA results showed that buckling behaviors in the tests are predictable by FEA. The estimation method of buckling criterion on the basis of FEA was found to conservatively cover the test results, and we can conclude that this estimation method can be adopted for designing the piping systems of Fast Breeder Reactors.
APA, Harvard, Vancouver, ISO, and other styles
4

Chen, Qishi, Heng Aik Khoo, Roger Cheng, and Joe Zhou. "Remaining Local Buckling Resistance of Corroded Pipelines." In 2010 8th International Pipeline Conference. ASMEDC, 2010. http://dx.doi.org/10.1115/ipc2010-31512.

Full text
Abstract:
This paper describes a multi-year PRCI research program that investigated the local buckling (or wrinkling) of onshore pipelines with metal-loss corrosion. The dependence of local buckling resistance on wall thickness suggests that metal-loss defects will considerably reduce such resistance. Due to the lack of experimental data, overly conservative assumptions such as a uniform wall thickness reduction over the entire pipe circumference based on the defect depth have been used in practice. The objective of this research work was to develop local buckling criteria for pipelines with corrosion defects. The work related to local buckling was carried out in three phases by C-FER and the University of Alberta. The first phase included a comprehensive finite element analysis to evaluate the influence of various corrosion defect features and to rank key parameters. Based on the outcome of Phase 1 work, a test matrix was developed and ten full-scale tests were carried out in Phase 2 to collect data for model verification. In Phase 3, over 150 parametric cases were analyzed using finite element models to develop assessment criteria for maximum moment and compressive strain limit. Each criterion includes a set of partial safety factors that were calibrated to meet target reliabilities selected based on recent research related to pipeline code development. The proposed criteria were applied to in-service pipeline examples with general corrosion features to estimate the remaining load-carrying capacity and to assess the conservatism of current practice.
APA, Harvard, Vancouver, ISO, and other styles
5

Iijima, Toru, Kenichi Suzuki, Hideyuki Morita, Shinsuke Murakami, and Koichi Tai. "The Ultimate Strength of Cylindrical Liquid Storage Tanks Under Earthquakes: Seismic Capacity Test of Tanks Used in PWR Plants — Part 1, Evaluation Method Verification Test." In ASME 2008 Pressure Vessels and Piping Conference. ASMEDC, 2008. http://dx.doi.org/10.1115/pvp2008-61305.

Full text
Abstract:
Since 2002, Japan Nuclear Energy Safety Organization (JNES) has been carrying out seismic capacity tests for several types of equipment which significantly contribute to core damage frequency. The primary purpose of this study is to acquire the seismic capacity data of thin walled cylindrical liquid storage tanks in nuclear power plants and to establish an evaluation procedure of the ultimate strength. As for the refueling water storage tank and the condensate storage tank which are used in PWR plants, elephant-foot bugle (EFB) is the typical buckling behavior of those tanks and the primary failure mode to be focused on. In the study, dynamic buckling tests were performed using scaled models of tanks. The input seismic acceleration was increased until the tanks reached the ultimate state at which internal water leaked from a crack on the sidewall. In addition, static buckling tests were performed in order to compare to the dynamic buckling tests and numerical simulation results. In the dynamic and static buckling tests, EFB occurred and internal water leaked at the EFB cross-section. Incremental deformation growth observed in the static buckling test was simulated by FEM, and analysis results showed a practically sufficient consistency in terms of out-of-plane displacement and local strain.
APA, Harvard, Vancouver, ISO, and other styles
6

Wang, Zhanghai, Daryl Bast, and David Shen. "Butane Storage Bullet Calculation and FEA Verification." In ASME 2005 Pressure Vessels and Piping Conference. ASMEDC, 2005. http://dx.doi.org/10.1115/pvp2005-71123.

Full text
Abstract:
This paper presents a comparative study of FEA with the Zick’s method of analysis for a two saddles-supported horizontal cylindrical tank. Zick’s method is an analytical method commonly used in horizontal vessel support design. We used two methods to calculate local stresses in selected areas with the findings that the results of these two methods produced very agreement. These results are used to verify the FEA for this application. We then used FEA to get more detailed information about stress distribution, which cannot be obtained using the Zick’s method. FEA was further used to study the buckling behavior of the object and to determine some critical parameters of the object, e.g., the vacuum ring weld size with consideration of both external and internal loads.
APA, Harvard, Vancouver, ISO, and other styles
7

Okafuji, Takashi, Kazuhiro Miura, Hiromi Sago, Hisatomo Murakami, Masanori Ando, and Satoshi Okajima. "Development of the Buckling Evaluation Method for Large Scale Vessel in Fast Reactors by the Testing of Austenitic Stainless Steel Vessel With Severe Initial Imperfection Subjected to Horizontal and Vertical Loading." In ASME 2022 Pressure Vessels & Piping Conference. American Society of Mechanical Engineers, 2022. http://dx.doi.org/10.1115/pvp2022-84605.

Full text
Abstract:
Abstract The current buckling design code of Class 1 vessels for fast reactors (FRs) power plant in Japan, “Design and Construction for Nuclear Power Plants, Division 2 Fast Reactors” by the Japan Society of Mechanical Engineers, focuses primarily on plastic buckling of austenitic steel vessel. For next-generation FRs, the higher-yield material, especially ASME Grade 91 steel, plans to be applied to the vessels such as steam generators in addition to austenitic steel. Seismic isolation system is also being devised in the next plant to meet the design seismic load in Japan. To accommodate these conditions, the standard buckling strength equations were proposed in the previous study, which were modified by considering elasto-plastic buckling of vessel. The modified equations consisted of elasto-plastic axial compression, bending, shear buckling, and their interactions, as well as ASME/BPVC CASE N-284, considering the reduction of buckling strength by cyclic larger vertical load with long-period lower horizontal load under the horizontal seismic isolation plant design. The applicability of the modified buckling equations to high-yield material was confirmed by a series of buckling tests to vessels of Grade 91 steel under cyclic loading considering horizontal seismic isolation, or with the circumferential wrinkle shape corresponding to elephant’s foot buckling (EFB) mode in the previous study. In this study, the applicability of the proposed modified buckling equations has been confirmed through the test of austenitic steel, which has lower yield stress than Grade 91 steel, with imperfections under the load condition corresponding to seismic isolation design. The experimental result has confirmed the conservativeness of the modified equations under the dominant axial compressive load accompanied with horizontal load, and the austenitic steel vessel which has the circumferential wrinkle shape corresponding to the EFB mode as a significant initial imperfection. The test has also been simulated by elasto-plastic buckling analyses considering stress-strain relationship and imperfections in the test vessels. The result of the test and its analysis have showed the applicability of the modified equations. Moreover, a series of verification analyses conducted for the modified equations with 3D buckling analysis models under the conditions in FRs power plant. These verification analysis results confirmed the contribution of the factors to the buckling strength such as initial imperfection and material, and showed that the modified equations are applicable to the vessels in FRs power plant.
APA, Harvard, Vancouver, ISO, and other styles
8

Rastgar Agah, Mobin, Kaveh Laksari, Kurosh Darvish, and Alexander Rachev. "Buckling of Porcine Aorta Under Static and Dynamic Loading." In ASME 2012 Summer Bioengineering Conference. American Society of Mechanical Engineers, 2012. http://dx.doi.org/10.1115/sbc2012-80931.

Full text
Abstract:
Tortuosity and buckling of blood vessels are defined as the deviation from original configuration and has been observed throughout the vascular system. The blood flow in the regions down-stream of tortuous section decreases, which may cause a deficiency in blood supply to the organs and ischemia. Although tortuosity of blood vessels has been associated with aging, atherosclerosis, hypertension, genetic and other cardiovascular disease, the mechanism behind its initiation and development is not yet understood. In a series of theoretical and experimental studies, biomechanical aspects of buckling of arteries has been investigated under quasi-static loading (Han, 2007; Liu and Han, 2011); however, it has been shown theoretically that the buckling behavior of arteries under dynamic loading are different and arteries may become mechanically unstable at pressures other than the static critical loading (Rachev, 2009). This work addresses buckling of porcine aorta and experimental verification of dynamic buckling in this case. We hypothesize that dynamic buckling can partly contribute to the traumatic rupture of aorta that is a leading cause of fatality in motor vehicle crashes.
APA, Harvard, Vancouver, ISO, and other styles
9

Matheson, Ian, Malcolm Carr, Ralf Peek, Paul Saunders, and Nigel George. "Penguins Flowline Lateral Buckle Formation Analysis and Verification." In ASME 2004 23rd International Conference on Offshore Mechanics and Arctic Engineering. ASMEDC, 2004. http://dx.doi.org/10.1115/omae2004-51202.

Full text
Abstract:
The Penguins pipeline is a 60 km PIP system designed to buckle laterally on the seabed. The pipeline has been laid in a snaked shape in order to initiate regular lateral buckles. However there is significant uncertainty over the buckle formation process and concern over the robustness of the snake lay approach. A detailed as-laid ROV survey was undertaken to define the geometry of the pipeline system. This has been supplemented by two high precision ROV surveys of the pipeline in the operating configuration. This paper outlines how the buckling uncertainty was addressed at the design stage, the as-laid stage, and finally compares the predictions with the actual observations of lateral buckles in the operating flowline.
APA, Harvard, Vancouver, ISO, and other styles
10

Ivanov, Stoyan. "Lateral torsional buckling of plate girder composite bridges – general method." In IABSE Congress, Ghent 2021: Structural Engineering for Future Societal Needs. Zurich, Switzerland: International Association for Bridge and Structural Engineering (IABSE), 2021. http://dx.doi.org/10.2749/ghent.2021.0675.

Full text
Abstract:
<p>According to Eurocode 4-2, lateral torsional buckling check should be performed for any steel flange in compression that is not laterally restrained. In common steel-concrete composite bridges, with slab on top of the main girders and no additional horizontal bracing, this applies for the bottom flanges over internal supports of a continuous beams. The check is also relevant for the bottom flanges at the abutments of integral composite bridges.</p><p>Eurocode 4-2 gives recommendations for the use of three verification methods for LT buckling: Inverted U-frame method, General method, and Simplified method. In this paper the three methods are discussed. Their restrictions for practical application are commented. Application of the General and Simplified methods over a single span integral composite bridge is illustrated. Comparison of the results between the General method and the Simplified method is presented.</p>
APA, Harvard, Vancouver, ISO, and other styles
You might also be interested in the extended bibliographies on the topic 'Buckling verification' for particular source types:
Journal articles
We offer discounts on all premium plans for authors whose works are included in thematic literature selections. Contact us to get a unique promo code!

To the bibliography