Academic literature on the topic 'Multi-axial stress analysis'

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Journal articles on the topic "Multi-axial stress analysis"

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Zhang, Jian Bing, and Xiang Hong Lv. "Fatigue Analysis of the Drill String According to Multiaxial Stress." Advanced Materials Research 418-420 (December 2011): 993–96. http://dx.doi.org/10.4028/www.scientific.net/amr.418-420.993.

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To find out the cause for fatigue failure of a drill string used in oil field drilling, and considering the actual working conditions, axial, radial and circumferential cyclic stresses borne by the drill string in borehole of oil and gas well, fatigue strength of drill string is analyzed based on multi-axial fatigue assessment method. Then the formula to calculate the mean stress of multi-axial load of the drill string is obtained, and the formula serves as a method to calculate multi-axial fatigue life of the drill string, which has been verified through field data. It is realized that multi-
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Sankar, B. V. "Stress analysis of brittle spheres under multi-axial loading." Metal Powder Report 53, no. 7-8 (1998): 43. http://dx.doi.org/10.1016/s0026-0657(98)85104-7.

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Yao, Jia Wei, Shi Yong Sun, and Hao Ran Chen. "Nonlinear Constitutive Model Research on Concrete (Uni-Axial or Multi-Axial)." Advanced Materials Research 261-263 (May 2011): 238–41. http://dx.doi.org/10.4028/www.scientific.net/amr.261-263.238.

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Combined with Jones-Nelson-Morgan model applied to ceramics and graphite successfully, the nonlinear constitutive model of concrete is obtained through large number of tests in this paper. The model takes concrete as nonlinear elastic isotropic material. By using strain energy function, it makes the nonlinear mechanics behavior of concrete as the function of strain energy. According to the mechanics behavior of concrete, a simple model is obtained by increasing stress to realize the model calculation program. The model can be extended to the constitutive model analysis of concrete under biaxia
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Tzou, Gow-Yi, Shih-Hsien Lin, Dyi-Cheng Chen, and Un-Chin Chai. "Die stress analysis and improvement of the welding valve fastener in multi-stage forging." Transactions of the Canadian Society for Mechanical Engineering 44, no. 2 (2020): 263–71. http://dx.doi.org/10.1139/tcsme-2019-0087.

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This study explores the multi-stage cold forming die of a welding valve fastener using simulation software. It is possible to understand the various stress intensities of the die core bore and the corresponding distributions during each forging stage so as to improve the service life of the die. These stresses include radial stress, axial stress, hoop stress, and maximum principal stress, as well as the different types of stresses that could cause different fractures of the die core. Therefore, it is necessary to use different die design methods to improve the fracture issues for different die
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Luo, Peng, Weixing Yao, Yingyu Wang, and Piao Li. "A survey on fatigue life analysis approaches for metallic notched components under multi-axial loading." Proceedings of the Institution of Mechanical Engineers, Part G: Journal of Aerospace Engineering 233, no. 10 (2018): 3870–90. http://dx.doi.org/10.1177/0954410018809838.

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In this paper, several fatigue failure approaches of metallic notched components under multi-axial loading in recent decades are reviewed in detail. They are classified into three categories according to their different fatigue physical mechanisms and hypotheses: nominal stress approach, local stress–strain approach and the theory of critical distance. The accuracy, applicable range and computing complexity of these three different fatigue failure theories of metallic notched specimen under multi-axial fatigue loading are given. It is concluded that theory of critical distance accords with exp
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Liu, Guo Jun, and Zhao Lan Wei. "Research on Failure Criterion of Concrete under Multi-Axial Stress." Applied Mechanics and Materials 423-426 (September 2013): 1059–62. http://dx.doi.org/10.4028/www.scientific.net/amm.423-426.1059.

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In the actual structure, the concrete materials are mainly in multi-axial stress state. Because of the rapid development of concrete structures and the continuous improvement of structural engineering analysis theory, engineers have put forward higher requirements for concrete performance under multi-axial stress research. Based on stress space, this paper studies strength failure criterion of concrete, analyzed its limitations, and proposed concrete strength failure criterion research directions. It plays a strong practical role in scientific research.
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Campello, Luca, Vivien Denis, Raffaella Sesana, Cristiana Delprete, and Roger Serra. "New Experimental Single-Axis Excitation Set-Up for Multi-Axial Random Fatigue Assessments." Machines 13, no. 7 (2025): 539. https://doi.org/10.3390/machines13070539.

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Fatigue failure, generated by local multi-axial random state stress, frequently occurs in many engineering fields. Therefore, it is customary to perform experimental vibration tests for a structural durability assessment. Over the years, a number of testing methodologies, which differ in terms of the testing machines, specimen geometry, and type of excitation, have been proposed. The aim of this paper is to describe a new testing procedure for random multi-axial fatigue testing. In particular, the paper presents the experimental set-up, the testing procedure, and the data analysis procedure to
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Rong, Chong, Zhipeng Duan, and Jun Tang. "Multi-Dimensional Iterative Constitutive Model of Concrete under Complex Stress Conditions in Composite Structures." Buildings 14, no. 6 (2024): 1837. http://dx.doi.org/10.3390/buildings14061837.

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In composite structures or complex concrete members, some concrete bears multiple forces, called core concrete. The properties of the core concrete are variable under complex stress conditions, which will influence the structure performance analysis. Therefore, it is necessary to establish an accurate and theoretical constitutive model of concrete under complex stress conditions. The elastic–plastic properties of concrete in complex stress conditions were analyzed first. Then, the failure criterion of concrete in complex stress conditions was discussed to identify the key parameters. And the r
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Gandiolle, Camille, and Siegfried Fouvry. "Fatigue Stress Ratio Effect on Fretting-Fatigue Crack Nucleation: Comparison between Multi-Axial and Uni-Axial Predictions." Advanced Materials Research 891-892 (March 2014): 903–8. http://dx.doi.org/10.4028/www.scientific.net/amr.891-892.903.

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This research focuses on high cycle fretting fatigue crack nucleation prediction. A plastic steel/steel cylinder/plane contact was investigated keeping constant the normal force and the maximum fatigue stress ratio but varying the fatigue stress ratio (RF=0.6 to 1). The evolution of the crack length as function of the applied fretting tangential force amplitude at 106 cycles allows us to formalize the crack nucleation condition. It shows that the threshold tangential force marking the crack nucleation (i.e. bp_th=0μm) is not affected by the fatigue stress ratio. However an increase of the fati
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Yao, Hua-Tang, Fu-Zhen Xuan, Zhengdong Wang, and Shan-Tung Tu. "A review of creep analysis and design under multi-axial stress states." Nuclear Engineering and Design 237, no. 18 (2007): 1969–86. http://dx.doi.org/10.1016/j.nucengdes.2007.02.003.

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Dissertations / Theses on the topic "Multi-axial stress analysis"

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Tan, Julian Lip Yi. "Multi-axial fracture behaviour of notched carbon-fibre/epoxy laminates." Thesis, University of Cambridge, 2015. https://www.repository.cam.ac.uk/handle/1810/247924.

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Carbon-fibre reinforced polymer (CFRP) laminates are widely used in various engineering applications, such as in race cars and aircrafts, because they are light, stiff and strong. They commonly contain stress raisers in the form of holes and notches (for mechanical joining methods, routing of pipes and cables etc.) and are also often subjected to complex combined multi-axial stress conditions during service. Yet their notched multi-axial fracture behaviour remains largely unexplored. This is the main contribution of the thesis. First, a novel loading fixture for applying a wide range of in-pla
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Hourdou, Théophile. "Modélisation numérique du revêtement d'isolation thermique de canalisations pétrolières sous-marines." Electronic Thesis or Diss., Université Paris sciences et lettres, 2023. http://www.theses.fr/2023UPSLM073.

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L'installation de conduites pétrolières par la méthode de dépose en déroulé induit une flexion qui entraîne la rupture brutale de leur revêtement d'isolation thermique.Le matériau critique du revêtement est une mousse syntactique de polypropylène. Cette étude consiste à caractériser la réponse et la rupture de ce matériau sous divers états de contrainte. L'évolution de sa microstructure a été suivie emph{in-situ} en cours de déformation grâce à de la tomographie au synchrotron. Les mécanismes de décohésion sphères-matrice suivis de la coalescence avec les craquelures dans la matrice ont été mi
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Book chapters on the topic "Multi-axial stress analysis"

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Govindjee, Sanjay. "Analysis of Multi-Axial Stress and Strain." In Engineering Mechanics of Deformable Solids. Oxford University Press, 2012. http://dx.doi.org/10.1093/acprof:oso/9780199651641.003.0009.

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Sankararaman, Shankar, You Ling, and Sankaran Mahadevan. "Fatigue Crack Growth Analysis and Damage Prognosis in Structures." In Emerging Design Solutions in Structural Health Monitoring Systems. IGI Global, 2015. http://dx.doi.org/10.4018/978-1-4666-8490-4.ch010.

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This chapter describes a computational methodology for fatigue crack growth analysis and damage prognosis in structures. This methodology is applicable to a variety structural components and systems with complicated geometry and subjected to variable amplitude multi-axial loading. Finite element analysis is used to address complicated geometry and calculate the stress intensity factors. Multi-modal stress intensity factors due to multi-axial loading conditions are combined to calculate an equivalent stress intensity factor using a characteristic plane approach. Crack growth under variable ampl
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Ranit, A. B., N. S. Futane, V. R. Dhawale, S. M. Dhawade, R. S. Ingalkar, and S. M. Harle. "Investigation of Mechanical Behavior of Steel Fiber-Reinforced Geopolymer Concrete Under Multi-Axial Stress Conditions." In Advances in Transdisciplinary Engineering. IOS Press, 2024. https://doi.org/10.3233/atde241034.

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This study investigates the influence of steel fibers on the mechanical properties of concrete, particularly focusing on compressive strength, critical stress, and ductility. The inclusion of steel fibers, with lengths of 6 mm, 10 mm, and 15 mm and aspect ratios of 50, 83, and 125, significantly enhances these properties, with longer fibers and higher aspect ratios proving more effective under increased confining pressures. The stress-strain analysis demonstrates that higher confining pressures lead to greater ductility, allowing the material to sustain larger strains before failure, which is
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Conference papers on the topic "Multi-axial stress analysis"

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Okazaki, Masakazu, та Motoki Sakaguchi. "Prediction of In-Service Stress States of Single Crystal Superalloys Based on Mathematical Analyses of γ/γ' Microstructural Morphologies". У AM-EPRI 2007, редактори R. Viswanathan, D. Gandy та K. Coleman. ASM International, 2007. https://doi.org/10.31399/asm.cp.am-epri-2007p0783.

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Abstract The morphology of γ/γ' microstructures in single crystal superalloys is known to evolve during service conditions according to established materials science principles, potentially offering a novel approach for failure analysis. This study investigated the morphological changes in γ/γ' microstructures of CMSX-4, a single crystal Ni-base superalloy, under various loading conditions. The experimental parameters included tensile and compressive stress levels, loading temperature, loading rate, monotonic versus cyclic loading, and multi-axial stress states. Results demonstrated that the γ
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Moftakhar, Abbas A., and Grzegorz Glinka. "Creep Analysis of High Temperature Components Under Multi-Axial Loading." In ASME 1998 International Gas Turbine and Aeroengine Congress and Exhibition. American Society of Mechanical Engineers, 1998. http://dx.doi.org/10.1115/98-gt-263.

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A simplified solution method that enables the estimation of stresses and strains in high temperature components under creep conditions is presented. The solution is derived based on strain energy density considerations and is applicable to both uniaxial and multiaxial stress states. In particular, this simplified method is developed for an efficient estimation of the cyclic stress-strain history at critical locations which needed for fatigue analysis of hot sections under creep conditions where conventional finite element creep analysis becomes extremely time consuming. The input data necessar
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Wei, Zhigang, Pingsha Dong, Romesh C. Batra, and Kamran Nikbin. "Analysis of Multi-Axial Fatigue Test Data Using a Path-Dependent Effective Stress/Strain Definition." In ASME 2013 Pressure Vessels and Piping Conference. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/pvp2013-97630.

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Multi-axial fatigue life assessment is important in power generation, aerospace, automotive, and many other industries. The newly developed path-dependent multi-axial cycle counting and fatigue life assessment method has been shown effective for some applications. For instance, when stress range is used as the only driving force for fatigue failure, the method correlates high cycle fatigue test data well. The method consists of two parts: (1) maximum-range (or maximum distance) based cycle counting method, so that the method can be applied to 2-D and 3-D stress or strain space, as compared to
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Zarka, Joseph, and Habib Karaouni. "Fatigue During Multi-Axial Random Loadings." In 10th International Conference on Nuclear Engineering. ASMEDC, 2002. http://dx.doi.org/10.1115/icone10-22027.

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During classical analysis, some special methods to extract and to count the cycles from the random stress path (very often, the Rainflow method) are used and it is needed to cumulate “damage” based on some S-N diagrams and the linear Miner-Palmgreen rule or some more elaborated non linear rules. The “damage” factor (scalar or tensor) is still the object of many researches; it is impossible to measure it during the whole loading path, even if, before failure, some slight changes on the elastic properties may be experimentally detected. Moreover, the representations of the loading and the counti
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Zhang, Ken, Ron Chune, Rick Wang, and Richard Kania. "Role of Axial Stress in Pipeline Integrity Management." In 2022 14th International Pipeline Conference. American Society of Mechanical Engineers, 2022. http://dx.doi.org/10.1115/ipc2022-87327.

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Abstract In pipeline integrity management, axial stress solely can be a detrimental condition, and it may play an important role in assessment of other threats. Current practice for the assessment of integrity features such as external metal loss, deformation and stress corrosion cracking (SCC) are based on methods validated by burst testing that primarily consider hoop stress to be the maximum principal stress which governs. Observations during recent integrity management practice, however, indicate that axial stress plays an important role in pipeline failures when interacting with integrity
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Ishizaki, Yoichi, and Teppei Suzuki. "Multi-Axial Stress Creep Consumption Part II; Consideration on Creep Criteria Temperature for FFS." In ASME 2023 Pressure Vessels & Piping Conference. American Society of Mechanical Engineers, 2023. http://dx.doi.org/10.1115/pvp2023-105411.

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Abstract A cracking damage was found in 347SS flange neck operated at about 520 deg.C after long term operation. In previous report presented in PVP2019-9304, it was well explained by creep damage from FEM analysis using isochronous curve based on API 579/ASME FFS-1 MPC Omega method. Following our previous paper, specimens were obtained from the replaced flange operated for 4 years. Using those specimens, destructive testing and remaining life assessment were performed to validate the analysis. As a result, specimens from the flange neck showed relatively short rupture life, compared to those
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Nikhare, Chetan P. "Analysis of Forming Limits in Biaxial and Dome Test." In ASME 2017 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2017. http://dx.doi.org/10.1115/imece2017-70482.

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From centuries the metals and materials has been characterized using a traditional method called uniaxial tension test. The data acquired from this test found adequate for operations of simple forming where one axis stretching is dominant. Currently due to the demand of lightweight component production, multiple individual parts are eliminated by stamping in a single complex shape which further reduces many secondary operation. This need is driven by the requirement of 54 miles per gallon by 2025. Due to the complex part geometry, the forming method induces multi-axial stress states, which fou
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Yamamoto, Yukinori, Norimichi Yamashita, and Masaaki Tanaka. "Evaluation of Thermal Stress Ratchet in Plastic FEA." In ASME 2002 Pressure Vessels and Piping Conference. ASMEDC, 2002. http://dx.doi.org/10.1115/pvp2002-1215.

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Alternative stress evaluation criteria suitable for Finite Element Analysis (FEA) proposed by Okamoto et al. [1] have been studied by the Committee on Three Dimensional Finite Element Stress Evaluation (C-TDF) in Japan. Thermal stress ratchet criteria in plastic FEA are now under consideration. Two criteria are proposed: evaluating variations in plastic strain increments and evaluating variations in the width of elastic core. To verify the validity of these criteria, calculations were performed for several typical models in C-TDF [2]. This paper shows the results of a simple cylinder model. Cy
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Suzuki, Teppei, and Yoichi Ishizaki. "Multi-Axial Stress Creep Consumption Part I; Testing and Validation of Ex-Service 347 SS." In ASME 2023 Pressure Vessels & Piping Conference. American Society of Mechanical Engineers, 2023. http://dx.doi.org/10.1115/pvp2023-105293.

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Abstract A cracking damage was found in 347SS flange neck operated at about 520 deg. C after long term operation. In previous report presented in PVP2019-9304, it was well explained by creep damage from FEM analysis using isochronous curve based on API 579/ASME FFS-1 MPC Omega method. Following our previous paper, specimens were obtained from the replaced flange operated for 4 years. Using those specimens, destructive testing and remaining life assessment were performed to validate the analysis. As a result, specimens from the flange neck showed relatively short rupture life, compared to those
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Gill, Peter, Paul Onwuarolu, Russell Smith, et al. "A Method for Investigating Multi-Axial Fatigue in a PWR Environment." In ASME 2021 Pressure Vessels & Piping Conference. American Society of Mechanical Engineers, 2021. http://dx.doi.org/10.1115/pvp2021-62429.

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Abstract A significant amount of fatigue testing has taken place over the years to generate relationships between applied stress or strain range and cycles to failure. This has mainly been conducted on uniaxial test specimens in an air environment. More recently, fatigue testing has been conducted in a PWR environment as it is now well known that this has a deleterious impact on life. The test method presented in this paper considers bi-axial loading on a specimen that is compatible with PWR fatigue testing rigs. In order to achieve this, a specimen was designed to convert a uniaxial load into
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