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Academic literature on the topic 'Fatigue strength analysis'

Author: Grafiati

Published: 4 June 2021

Last updated: 17 February 2022

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Journal articles on the topic "Fatigue strength analysis"

Saito, Ryoichi, Nao-Aki Noda, Yoshikazu Sano, Jian Song, Takeru Minami, Yuuka Birou, Arata Miyagi, and Yinsa Huang. "Fatigue Strength Analysis and Fatigue Damage Evaluation of Roller Chain." Metals 8, no. 10 (October 18, 2018): 847. http://dx.doi.org/10.3390/met8100847.

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This paper deals with the roller chain commonly used for transmission of mechanical power on many kinds of industrial machinery, including conveyors, cars, motorcycles, bicycles, and so forth. It consists of a series of four components called a pin, a bush, a plate, and a roller, which are driven by a sprocket. To clarify the fatigue damage, in this paper, the finite element method (FEM) is applied to those components under three different types of states, that is, the press-fitting state, the static tensile state, and the sprocket-engaging state. By comparing those states, the stress amplitude and the average stress of each component are calculated and plotted on the fatigue limit diagram. The effect of the plastic zone on the fatigue strength is also discussed. The results show that the fatigue crack initiation may start around the middle inner surface of the bush. As am example, the FEM results show that the fatigue crack of the inner plate may start from a certain point at the hole edge. The results agree with the actual fractured position in roller chains used in industry.

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Liao, Shu Hua, Peng Xu, Liang Zhao, Hai Jian Li, and Kun Chen. "Radial Fatigue Analysis of Steel Hub Based on Finite Element Analysis." Applied Mechanics and Materials 513-517 (February 2014): 2620–24. http://dx.doi.org/10.4028/www.scientific.net/amm.513-517.2620.

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The fatigue strength of the steel hub is important to the safety of the automotive wheel and the dynamic radial fatigue test is also one of the three performance experiments for evaluating the safety of automotive wheel. This paper applied Abaqus in analyzing the static strength of the 13×4.5B automotive steel hub according to the test requirement of national standard, and to calculate the hubs fatigue life by Fatigue. Compare the FEA result and the test result, find the two results are very closer which proved the correctness of the static strength analysis and the fatigue strength analysis, and the FEA simulation can efficiently predict the fatigue life of automotive wheel and it does a good for the wheel design to reduce the design cost and to shorten the development cycle.

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WeiDa, Kong. "Fatigue strength analysis of desilting platform structure." Journal of Physics: Conference Series 1885, no. 3 (April 1, 2021): 032011. http://dx.doi.org/10.1088/1742-6596/1885/3/032011.

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Han, Feng Lei, Chun Hui Wang, An Kang Hu, and Ya Chong Liu. "Fatigue Strength Assessment Analysis of Large Container Ship." Applied Mechanics and Materials 602-605 (August 2014): 385–89. http://dx.doi.org/10.4028/www.scientific.net/amm.602-605.385.

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Fatigue assessments of container ship structures can be processed using various direct calculation approaches or various approaches of classification societies [1,2]. In this investigation, the fatigue strength assessment to the key positions of a 9200TEU container ship has been performed ,subjected to the rules of BV about fatigue strength specification of large container ships, based on design wave method and Miner fatigue cumulative damage theory analysis method. Wave loads have been computed using linear wave load calculation method based on three-dimensional potential flow theory. And the fatigue strength assessment of the typical hot spot structures has also been conducted based on a series of critical single design wave.

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NAGASHIMA, Nobuo, and Saburo MATSUOKA. "3604 Analysis of fatigue properties for nanoscopic strength analysis." Proceedings of the JSME annual meeting 2006.1 (2006): 745–46. http://dx.doi.org/10.1299/jsmemecjo.2006.1.0_745.

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Li, Xue Yi, Chao Chao Li, Bin Bing Huang, and San Shuai Li. "Contact Fatigue Analysis of Mine Helical Cylindrical Gear Based on ANSYS Workbench." Applied Mechanics and Materials 246-247 (December 2012): 12–16. http://dx.doi.org/10.4028/www.scientific.net/amm.246-247.12.

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A general method for calculating contact fatigue strength of Mine helical cylindrical gear was studied in this paper. Both the Solid model and finite element model were created in ANSYS. Based on the fatigue analysis module of the ANSYS Workbench, The contact fatigue strengths of the helical cylindrical gear pair were calculated, and corresponding contact fatigue lives and safety factors of two gears in any meshing position were obtained and shown in contour map. A simulation calculation for a pair of mine helical cylindrical gears was carried out. Simulation results show that calculation of the contact fatigue strength of helical cylindrical gear by this method is more scientific and reasonable than traditional empirical method.

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Li, Xiao Jun, Long Yin, Lei Ni, and Ming Hai Li. "The Static Strength and Fatigue Strength Analysis of a Certain Type of Cooling Fan." Advanced Materials Research 1008-1009 (August 2014): 972–78. http://dx.doi.org/10.4028/www.scientific.net/amr.1008-1009.972.

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This paper estimates the static strength of a certain type of cooling fan designed by a company in the rotating speed of 1260 rpm and 1380 rpm, evaluates static strength according to the cooling fan’s permissible stress in F state and T1 state, estimates the fatigue strength according to the operation load of cooling fan suffering from different direction when locomotive running and evaluates the cooling fan fatigue life according to the IIW standard. Static strength and fatigue strength calculation using ANSYS companies in the United States commercial version of the ANSYS software to complete.

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Ekaputra, I. M. W., Rando Tungga Dewa, Gunawan Dwi Haryadi, and Seon Jin Kim. "Fatigue Strength Analysis of S34MnV Steel by Accelerated Staircase Test." Open Engineering 10, no. 1 (May 27, 2020): 394–400. http://dx.doi.org/10.1515/eng-2020-0048.

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AbstractThis paper presents the reliability estimation of fatigue strength of the material used for crank throw components. The material used for crank throw components is forged S34MnV steel and subsequently heat-treated by normalising and tempering. High cycle fatigue testing under fully reversed cycling (R = −1) was performed to determine the fatigue limit of the material. The staircase test method is used to obtain accurate values of the mean fatigue limit stress until a number of cycles up to 1E7 cycles. Subsequently, the fatigue test results depend strongly on the stress step and are evaluated by the Dixon-Mood formula. The values of mean fatigue strength and standard deviation predicted by the staircase method are 282 MPa and 10.6MPa, respectively. Finally, the reliability of the design fatigue strength in some selected probability of failure is calculated. Results indicate that the fatigue strength determined from accelerated staircase test is consistent with conventional fatigue testing. Furthermore, the proposed method can be applied for the determination of fatigue strength and standard deviation for design optimisation of S34MnV steel.

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Wang, Jian Hua, Jian Hua, and Chao Li. "Fatigue Strength and Modal Analysis of S195 Engine Crankshaft." Applied Mechanics and Materials 120 (October 2011): 81–84. http://dx.doi.org/10.4028/www.scientific.net/amm.120.81.

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Fatigue rupture is the major reason of crankshaft parts failure. Traditional fatigue analysis is fairly complicated and causes a great error. The finite element model of s195 engine crankshaft is created under SolidWorks environment, whose static analysis and fatigue analysis is carried out by using Simulation module. Also the vibration character of the crankshaft is calculated through modal analysis. Result shows the fatigue strength of the crankshaft is enough and it will not produce resonance in operation.

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Shingo, Toshiya, Keiji Yanase, Hisao Matsunaga, and Masahiro Endo. "An Analysis of Fatigue Strength of Notched Components." Advanced Materials Research 275 (July 2011): 43–46. http://dx.doi.org/10.4028/www.scientific.net/amr.275.43.

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Geometrical discontinuities in the engineering components, such as holes, fillets, grooves, and keyways, are unavoidable in design. In essence, they act as a stress-raiser that causes the fatigue cracks. Accordingly, the geometrical discontinuities trigger a significant amount of reduction for the fatigue strength. It is well known that the fatigue limit of the notched components is governed by either the initiation or propagation of a small crack at the root of a notch. Since the elastoplastic behaviors and the crack closure effect should be properly taken into consideration, the behavior of such a small crack cannot be characterized solely by linear elastic fracture mechanics. To overcome the difficulty mentioned above, in this study, a novel method is proposed to investigate the notch effect by making use of the McEvily method, which has been widely used for the analysis of small fatigue crack growth. Further, to modify the McEvily method, the plastic zone size of a crack is calculated based on the Dugdale model to incorporate the effect of the plastic yielding near the crack tip. Finally, the predictive capability of the proposed method is demonstrated by comparing our theoretical predictions with the available experimental data.

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Dissertations / Theses on the topic "Fatigue strength analysis"

Lester, Charles Gilbert IV. "Analysis of fatigue behavior, fatigue damage and fatigue fracture surfaces of two high strength steels." Thesis, Georgia Institute of Technology, 2011. http://hdl.handle.net/1853/42795.

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Building fuel efficient automobiles is increasingly important due to the rising cost of energy. One way to improve fuel efficiency is to reduce the overall automobile weight. Weight reductions using steel components are desirable because of easy integration into existing manufacturing systems. Designing components with Advanced High Strength Steels (AHSS) has allowed for material reductions, while maintaining strength requirements. Two Advanced High Strength steel microstructures investigated in this research utilize different strengthening mechanisms to obtain a desired tensile strength grade of 590MPa. One steel, HR590, utilizes precipitation strengthening to refine the grain size and harden the steel. The other steel, HR590DP, utilizes a dual phase microstructure consisting of hardened martensite constituents in a ferrite matrix. The steels are processed to have the same tensile strength grade, but exhibit different fatigue behavior. The central objective of this research is to characterize and compare the fatigue behavior of these two steels. The results show the dual phase steel work hardens at a low fatigue life. The precipitation strengthened microstructure shows hardening at low strain amplitudes, softening at intermediate strain amplitudes and little to no effect at high strain amplitudes. These different fatigue responses are characterized and quantified in this research. Additionally, observations showing the fracture surfaces and the bulk microstructure are analyzed.

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Ghosh, Abie. "A residual strength approach for the fatigue analysis of welded components /." Title page, contents and abstract only, 1996. http://web4.library.adelaide.edu.au/theses/09PH/09ph4275.pdf.

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Gordon, Debra Anne. "Analysis of force parameters used to assess the fatigability of mammalian motor units." Diss., The University of Arizona, 1988. http://hdl.handle.net/10150/184368.

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The investigation of motor-unit fatigability in reduced-animal models has been dominated by a single fatigue test, one fatigue index, and an emphasis on changes in the magnitude of (usually peak) force. Although the standard fatigue test has been reported to elicit changes in the dynamic phases of an isometric tetanus, this has not been systematically studied in single motor units. Furthermore, changes in the profile of individual tetani during the fatigue test have led some investigators to suggest that other force parameters (i.e., integrated force) or fatigue indices may provide additional information about motor-unit performance during the test. The purposes of this project were to: (1) evaluate the time courses of a variety of force parameters characterizing both the magnitude of force and the dynamic aspects of force during a 4-min fatigue test of functionally isolated cat, tibialis posterior motor units; and (2) determine if motor units could be classified into the conventional motor-unit types based on these new parameters. There was considerable variability in the average time course of the magnitude of force during the fatigue test. The variability within the type FR and F(int) motor-unit groups resulted in several units whose characteristics bordered those which, by definition, separate unit types. The classification of these units depended on the force parameter and fatigue index used to quantify their fatigability. The time course of the magnitude of force also revealed differences in the behavior of potentiating and non-potentiating groups. There were many differences between motor-unit types in terms of dynamic-force parameters before, during and after the fatigue test. Comparison of initial and 2-min values revealed a preferential effect of stimulation on force development in type S and FR units (i.e., increased rate) and on force decay in type F(int) and FF units (i.e., prolonged duration and decreased rate). The time courses of these effects further revealed qualitative differences between different combinations of motor-unit types. Groups of units (or lack thereof) revealed by dynamic-force parameters were compared to conventional motor-unit types by discriminant analysis. The results were not always consistent with conventional types.

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Harati, Ebrahim. "Fatigue strength of welds in 800 MPa yield strength steels : Effects of weld toe geometry and residual stress." Licentiate thesis, Högskolan Väst, Avd för tillverkningsprocesser, 2015. http://urn.kb.se/resolve?urn=urn:nbn:se:hv:diva-8009.

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Nowadays there is a strong demand for lighter vehicles in order to increase the pay load. Through this the specific fuel consumption is decreased, the amount of greenhouse gases is lowered and the transport economy improved. One possibility to optimize the weight is to make the components from high strength steels and join them by welding. Welding is the main joining method for fabrication of a large proportion of all engineering structures. Many components experience fatigue loading during all or part of their life time and welded connections are often the prime location of fatigue failure.Fatigue fracture in welded structures often initiates at the weld toe as aconsequence of large residual stresses and changes in geometry acting as stress concentrators. The objective of this research is to increase the understanding of the factors that control fatigue life in welded components made from very high strength steels with a yield strength of more than 800 MPa. In particular the influences of the local weld toe geometry (weld toe radius and angle) and residual stress on fatigue life have been studied. Residual stresses have been varied by welding with conventional as well as Low Transformation Temperature (LTT) filler materials. The three non-destructive techniques Weld Impression Analysis (WIA), Laser Scanning Profiling (LSP) and Structured Light Projection (SLP) have been applied to evaluate the weld toe geometry.Results suggest that all three methods could be used successfully to measure the weld toe radius and angle, but the obtained data are dependent on the evaluation procedure. WIA seems to be a suitable and economical choice when the aim is just finding the radius. However, SLP is a good method to fast obtain a threedimensional image of the weld profile, which also makes it more suitable for quality control in production. It was also found that the use of LTTconsumables increased fatigue life and that residual stress has a relatively larger influence than the weld toe geometry on fatigue strength of welded parts.

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February, Eugene J. "Analysis of fatigue crack properties of the weld metal of gas metal Arc welded 300WA steel." Thesis, Cape Peninsula University of Technology, 2006. http://hdl.handle.net/20.500.11838/1278.

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Thesis (MTech (Mechanical Engineering))--Cape Peninsula University of Technology, 2006.
Welded joints are major causes for concern in the engineering arena for two basic reasons. In the first instance the weld is known to be a region of weakness within a structure and is caused by residual and applied stress concentrations. Secondly, the behaviour of the stress patterns is somewhat difficult to predict accurately due to the difficulty of conforming to the geometry and process parameters. The experimental procedure in this work commenced with specimens being welded with a technique very commonly used in industry. The residual stresses generated by thermal fluctuations from the welding process cannot be predicted easily and is viewed as a problem as increased stress levels promotes failure. Residual stresses were then determined with the use of an ultrasonic stress measuring device. Strain gauges were used to measure strains in the welded specimens and these strains converted to stresses. The results of the two methods were compared and analysed. Compact tensile specimens were used to perform fatigue testing. The results confirmed findings from earlier research such as the proportion of cyclic life spent on initiating the crack. Hardness tests were performed to determine if any relationship existed between fatigue failure, yield strength and hardness. Finally metallurgical analysis revealed the phases and structures of the weld and heat-affected zones. The findings of this research indicate that close relationships exist between the cycles to crack initiation and ultimate fracture, the hardness, yield stress and the fatigue life of the weld as well as between the grain diameter and the yield stress. Furthermore it is shown that there was not enough information gathered in this research to conclude that the life expectancy of 300WA welded steel can be predicted. However recommendations are made for future research in the prediction of failure of the 300WA welded steel.

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Hayes, Michael David. "Structural Analysis of a Pultruded Composite Beam: Shear Stiffness Determination and Strength and Fatigue Life Predictions." Diss., Virginia Tech, 2003. http://hdl.handle.net/10919/11066.

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This dissertation is focused on understanding the performance of a particular fiber-reinforced polymeric composite structural beam, a 91.4 cm (36 inch) deep pultruded double-web beam (DWB) designed for bridge construction. Part 1 focuses on calculating the Timoshenko shear stiffness of the DWB and understanding what factors may introduce error in the experimental measurement of the quantity for this and other sections. Laminated beam theory and finite element analysis (FEA) were used to estimate the shear stiffness. Several references in the literature have hypothesized an increase in the effective measured shear stiffness due to warping. A third order laminated beam theory (TLBT) was derived to explore this concept, and the warping effect was found to be negligible. Furthermore, FEA results actually indicate a decrease in the effective shear stiffness at shorter spans for simple boundary conditions. This effect was attributed to transverse compression at the load points and supports. The higher order sandwich theory of Frostig shows promise for estimating the compression related error in the shear stiffness for thin-walled beams. Part 2 attempts to identify the failure mechanism(s) under quasi-static loading and to develop a strength prediction for the DWB. FEA was utilized to investigate two possible failure modes in the top flange: compression failure of the carbon fiber plies and delamination at the free edges or taper regions. The onset of delamination was predicted using a strength-based approach, and the stress analysis was accomplished using a successive sub-modeling approach in ANSYS. The results of the delamination analyses were inconclusive, but the predicted strengths based on the compression failure mode show excellent agreement with the experimental data. A fatigue life prediction, assuming compression failure, was also developed using the remaining strength and critical element concepts of Reifsnider et al. One DWB fatigued at about 30% of the ultimate capacity showed no signs of damage after 4.9 million cycles, although the predicted number of cycles to failure was 4.4 million. A test on a second beam at about 60% of the ultimate capacity was incomplete at the time of publication. Thus, the success of the fatigue life prediction was not confirmed.
Ph. D.

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Han, Hyung-Seop Lim Tae-Hong. "Design of new root-form endosseous dental implant and evaluation of fatigue strength using finite element analysis." Iowa City : University of Iowa, 2009. http://ir.uiowa.edu/etd/294.

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Han, Hyung-Seop. "Design of new root-form endosseous dental implant and evaluation of fatigue strength using finite element analysis." Thesis, University of Iowa, 2009. https://ir.uiowa.edu/etd/294.

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The purpose of this study was to investigate the fatigue life of an endosseous root-form dental implant using finite element analysis. A conventional Brånemark dental implant system was redesigned to utilize the biocompatible, lightweight magnesium alloy coating which promotes bone growth. ANSYS Workbench 11.0 was used to generate a three-dimensional mesh of a model created in Pro Engineer with the actual size specifications. Regulations and schematic of test set-up from ISO 14801 - "Fatigue test for endosseous dental implants" were strictly followed to simulate the fatigue test. To validate the credibility of calculated fatigue life, actual prototypes were built with the design specifications and tested using Material Test System 810. The main advantages of performed computer simulations are that it is fast, efficient and cheap. A comparison of the calculated fatigue life with experimental fatigue life data displayed the accuracy and reliability of the computer simulation method.

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Djukic, Luke Philip Mechanical &amp Manufacturing Engineering Faculty of Engineering UNSW. "Effects of thermal residual stresses on static strength and fatigue life of welded carbon-fibre/epoxy composite joints." Awarded By:University of New South Wales. Mechanical & Manufacturing Engineering, 2010. http://handle.unsw.edu.au/1959.4/44619.

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Thermoset Composite Welding (TCW) is a process designed specifically for joining composite materials, developed by the Cooperative Research Centre for Advanced Composite Structures (CRC-ACS). The TCW manufacture process is carried out at higher temperatures than those used in service, causing thermal residual (TR) stresses to develop in the joints. An investigation of the strength of single-lap shear joints (SLJs), and the development of laminate free edge microcracks (LFEMs) is presented in this thesis. The reported investigations are primarily experimental. Finite element analysis has been used to understand observations where appropriate. The effect of TR stresses on static failure of TCW SLJs and Cytec FM1515 thin film epoxy adhesive SLJs over the temperature range of -55??C to 71??C is investigated. At temperatures where the joining material is ductile, plastic flow results in the redistribution of TR stresses within the joints, reducing their effect on the failure strength. No such stress redistributions occur at lower temperatures when the joining material is brittle; hence, the TR stresses cause strength reductions. These results were used to propose a method of shear strength improvement by initiating plastic flow in the joint at the time of manufacture. Microcracks are common at the free edges of thermoset composites. These develop preferentially near the weld material interface in TCW laminates, and are termed laminate free edge microcracks (LFEMs) in this study. MicroCT scanning was used to find and characterise LFEMs in TCW joints. The results indicated that TR stresses combined with the free edge sectioning process cause their development outside the joint overlap regions. Microcracks developed within the joint overlaps during mechanical fatigue cycling. LFEMs were also found in FM1515 joints. A fatigue life study is presented for TCW and FM1515 SLJs at -55??C, in which the effect of LFEMs is considered. TCW is a new process. This investigation is the first dealing with the effect of thermal residual stresses on the strength of TCW joints, and the development and effect of LFEMs. The shear strength improvement method is also a novel concept for joints.

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Narayanaswamy, Nitin. "Adhesive modelling in multi-material structures : Evaluating the strength and fatigue life of adhesive joints." Thesis, Linköpings universitet, Mekanik och hållfasthetslära, 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-165507.

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Advancements in material science and manufacturing techniques are enabling the use of lightweight metal alloys and polymer composites in several combinations and shapes for producing more efficient and lightweight structures for automotive applications without compromising strength, stiffness and/or durability. When evaluating the strength of the structure, the joints are of importance. For multi-material structures adhesives are often the best type of joints. However, traditional finite element methods using stress criteria cannot accurately predict the failure of these adhesive joints under static loading. In this thesis work a strength and fatigue model, formulated using energy release rate theory, is implemented in a post processing tool. Given a finite element model of an adhesive joint and a list of boundary elements and nodes this tool calculates the energy release rates in mode I and mode II, and if the fracture toughness of the adhesive is known, a prescribed mixed-mode failure index is calculated. To evaluate its predictions joint strength results are correlated to experiments. Specimens with combined shear and normal load forms the underlying experimental setup with change in strain rate and adhesive thickness as varying parameters. Methods for implementing the model for a car body structure with multiple adhesive joints is investigated, the tool proves to be scalable, however, the required finite element setup at the adhesive boundaries may not be present in a car body model and thus further work needs to carried out to accommodate irregularities like non-matching mesh in the car body finite element model. This model may be used for assessing the strength and durability of a car body structure comprising different materials joined together using adhesives.

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Books on the topic "Fatigue strength analysis"

Kitamura, Takayuki. Stochastic modeling of crack initiation and short-crack growth under creep and creep-fatigue conditions. [Washington, D.C.]: NASA, 1989.

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United States. National Aeronautics and Space Administration., ed. Probabilistic analysis for fatigue strength degradation of materials. San Antonio, TX: Division of Engineering, University of Texas at San Antonio, 1989.

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Petinov, S. V. Fatigue Analysis of Ship Structures. Backbone Publishing Company, 2003.

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Kolodziej, Robert M. Analysis of impeller blade stress as related to blade geometry: Using finite element analysis predictions and radio frequency telemetry measurements. 1990.

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H, Starnes James, Newman J. C, and Langley Research Center, eds. Development of advanced structural analysis methodologies for predicting widespread fatigue damage in aircraft structures. Hampton, Va: National Aeronautics and Space Administration, Langley Research Center, 1995.

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Zerbst, Uwe, Mauro Madia, Benjamin Schork, Jonas Hensel, Pawel Kucharczyk, DesireTchoffo Ngoula, Didi Tchuindjang, Julian Bernhard, and Carla Beckmann. Fatigue and Fracture of Weldments: The IBESS Approach for the Determination of the Fatigue Life and Strength of Weldments by Fracture Mechanics Analysis. Springer, 2018.

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1944-, Boyce Lola, and United States. National Aeronautics and Space Administration., eds. Probabilistic material strength degradation model for Iconel 718 components subjected to high temperature, high-cycle and low-cycle mechanical fatigue, creep, and thermal fatigue effects: Final technical report of project entitled Development of advanced methodologies for probabilistic constitutive relationships of material strength models, phase 5 and 6. San Antonio, TX: Division of Engineering, University of Texas at San Antonio, 1995.

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I, Milne, Karihaloo B. L, and Ritchie R. O, eds. Comprehensive structural integrity. Amsterdam: Elsevier Pergamon, 2003.

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(Editor), Ian Milne, R. O. Ritchie (Editor), and B. Karihaloo (Editor), eds. Comprehensive Structural Integrity : 10 - Volume set. Elsevier Science, 2003.

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Commercial Vehicles 2021. VDI Verlag, 2021. http://dx.doi.org/10.51202/9783181023808.

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Contents Ways to achieve Zero Emission ZF E-Mobility products and software for commercial vehicles ..... 1 Thermoelectric generators for heavy-duty vehicles as an economical waste heat recovery system ..... 17 Hybridization of heavy duty trucks – Market analysis and technology for high voltage as well as low voltage solutions ..... 33 Development processes and methods Lightweight construction and cost reduction – a lean, agile MSCDPS® product development process ..... 43 eDrive & Fuel Cell powertrain systems engineering for commercial vehicles ..... 55 Fatigue development of a 10x10 commercial vehicle frame using dynamic and/or strength simulation, virtual iteration and component testing together with measurement data acquisition ..... 73 Data-driven selection of vehicle variants for the E/E integration test – Increasing variants and complex technology versus test coverage ..... 81 Hydrogen propulsion High performance and efficiency hydrogen engine using westport fuel systems’ Commercially available HPDI fuel system ..... 97 E/E architecture and operating strategy for fuel-cell trucks – Challenges...

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Book chapters on the topic "Fatigue strength analysis"

Voorwald, Herman Jacobus Cornells, José André Marin de Camargo, and Maria Odila Hilário Cioffi. "Fatigue Strength of 7050 T7451 Aluminumo Alloy: Coating Effects." In Experimental Analysis of Nano and Engineering Materials and Structures, 245–46. Dordrecht: Springer Netherlands, 2007. http://dx.doi.org/10.1007/978-1-4020-6239-1_121.

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Wen, XiaoXia, and ZiXue Du. "Analysis of Structure Strength and Fatigue of Mini Car Body." In Advances in Intelligent and Soft Computing, 551–58. Berlin, Heidelberg: Springer Berlin Heidelberg, 2012. http://dx.doi.org/10.1007/978-3-642-29455-6_77.

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Sukhobokova, G. P., and Yu P. Trunin. "Analysis of stiffness, strength and fatigue characteristics of multilayer composites." In Composite Materials in Aerospace Design, 118–55. Dordrecht: Springer Netherlands, 1996. http://dx.doi.org/10.1007/978-94-011-0575-0_2.

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Chen, Xianyin, Wenyuan Zeng, and Shuo Li. "Optimization of Superstructure Connection Design Base on Fatigue Strength Analysis." In Lecture Notes in Civil Engineering, 537–47. Singapore: Springer Singapore, 2020. http://dx.doi.org/10.1007/978-981-15-4672-3_34.

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Falk, Wayne M. "A Statistically Rigorous Fatigue Strength Analysis Approach Applied to Medical Devices." In Fourth Symposium on Fatigue and Fracture of Metallic Medical Materials and Devices, 98–111. 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959: ASTM International, 2019. http://dx.doi.org/10.1520/stp161620180034.

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Endo, Masahiro, and A. J. McEvily. "An Analysis of the Fatigue Strength of Metals Containing Small Defects." In Key Engineering Materials, 323–26. Stafa: Trans Tech Publications Ltd., 2007. http://dx.doi.org/10.4028/0-87849-456-1.323.

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Kim, Jung Kyu, Hee Jin Shim, and Chul Su Kim. "Durability Analysis of the Pulley in the Power Steering System Considering the Variation of the Fatigue Strength." In Fracture and Strength of Solids VI, 429–34. Stafa: Trans Tech Publications Ltd., 2006. http://dx.doi.org/10.4028/0-87849-989-x.429.

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Kaneko, Yasutomo, Masayuki Tomii, Hiroharu Ohyama, and Takayuki Kurimura. "Analysis of Fretting Fatigue Strength of Integral Shroud Blade for Steam Turbine." In Challenges of Power Engineering and Environment, 263–69. Berlin, Heidelberg: Springer Berlin Heidelberg, 2007. http://dx.doi.org/10.1007/978-3-540-76694-0_48.

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Liu, Zhiqian, Caifu Qian, and Zuzhi Chen. "PSD Random Vibration Strength and Fatigue Analysis of a CNG Tube Trailer." In Mechanical Engineering and Materials, 173–82. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-68303-0_14.

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Behal, Jiri. "Fatigue Crack Detection by Acoustic Emission Monitoring in the Course of Laboratory Strength Test." In Experimental Analysis of Nano and Engineering Materials and Structures, 423–24. Dordrecht: Springer Netherlands, 2007. http://dx.doi.org/10.1007/978-1-4020-6239-1_210.

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Conference papers on the topic "Fatigue strength analysis"

Paphos, SJ, and E. Marnburg. "Fatigue Strength Analysis for Detailed FE Models in Jack-Up Vessels." In Structural Load & Fatigue on Floating Structures 2015. RINA, 2015. http://dx.doi.org/10.3940/rina.slf.2015.03.

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Tomioka, Noboru, Junetsu Niisawa, and Hideo Kitagawa. "Stress Analysis and Fatigue Strength on Adhesive Joints." In International Pacific Conference On Automotive Engineering. 400 Commonwealth Drive, Warrendale, PA, United States: SAE International, 1993. http://dx.doi.org/10.4271/931886.

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Su, Wenxian, Zhifu Sang, Li Ye, Weimin Huang, and Zhengming Tong. "Fatigue Strength Analysis of Tube-to-Tubesheet Joint." In ASME 2006 Pressure Vessels and Piping/ICPVT-11 Conference. ASMEDC, 2006. http://dx.doi.org/10.1115/pvp2006-icpvt-11-94052.

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The joint of tube-to-tubesheet of heat exchanger is the key of the process of fabricating heat exchanger. The joint mode of the tube-to-tubesheet is composed by expanded joint, welded joint and expanded together with welded. The application range and requirement of welded mode is stipulated in Chinese Standard—GB151-1999 tube-shell heat exchanger, it as follows: the design pressure is not great 35MPa, and design diameter is not great 2600 mm. And it is not applied in the fields where there is great vibration and clearance erosion.

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Kong, Fankai, Huaqiu Ding, and Weiming Su. "The Analysis of Structural Strength and Fatigue Strength of Vertical Axis Hydraulic Turbine." In OCEANS 2019 - Marseille. IEEE, 2019. http://dx.doi.org/10.1109/oceanse.2019.8867164.

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Yin, Sun Quan, Lei Zhenhai, and Du Xuwei. "Analysis of Car Horns Bracket Strength ND Fatigue Life." In 2015 3rd International Conference on Computer and Computing Science (COMCOMS). IEEE, 2015. http://dx.doi.org/10.1109/comcoms.2015.23.

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Liu, Hanwu, Junhong Wang, Shengjun Fang, and Shen Li. "Strength Analysis and Fatigue Life Prediction on Steering Knuckle." In 2016 2nd Workshop on Advanced Research and Technology in Industry Applications (WARTIA-16). Paris, France: Atlantis Press, 2016. http://dx.doi.org/10.2991/wartia-16.2016.286.

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Chaperon, Paul, John Sawyer, and Rhys Jones. "Shape optimization of damage tolerant structures for static strength and fatigue life." In 8th Symposium on Multidisciplinary Analysis and Optimization. Reston, Virigina: American Institute of Aeronautics and Astronautics, 2000. http://dx.doi.org/10.2514/6.2000-4781.

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Woods, Kirby, and Kenneth Thomas. "Instrument Nozzles Fatigue Strength Reduction Factor." In ASME 2013 Pressure Vessels and Piping Conference. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/pvp2013-97472.

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Recent industry experience has raised concerns with the NRC regarding the fracture toughness of small partial penetration instrument nozzles. Historically, small-bore instruments have not been evaluated when Pressure-Temperature curves were developed. Typical instrument nozzles have an outside diameter of 3¼ inches or less and a wall thickness of 11/16 inches or less. They were considered to be exempt per ASME XI Appendix G-2223(c), “Fracture toughness analysis to demonstrate protection against non-ductile failure is not required for portions of nozzles and appurtenances having a thickness of 2.5 in. (63 mm) or less, provided the lowest service temperature is not lower than RTNDT plus 60°F (33°C).” Now it appears that the effect of the nozzle discontinuity on the stresses in the beltline region of the shell must be assessed. This paper will show that historical interpretation of the code is correct and a fatigue analysis of the vessel shell adjacent to these instrument nozzles is unnecessary. The industry experience with instrument nozzle leakages is typically related to the quality of manufacturing as suggested by J.H. Gross. Fabrication and inspection range quality relative to FSRF is ke = 10 for poor and ke < 5 for good quality. This approach appears to correlate well with this consideration and industry experience. This paper will also demonstrate the use of fabrication travelers and/or inspection information that can be used to determine an appropriate FSRF to assess the relative health of these and other components.

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Ko, Young Sang, Jeen Woo Park, Hyoung Oh Bhan, Hyounsoo Park, and Jong Dae Lim. "Fatigue Strength and Residual Stress Analysis of Deep Rolled Crankshafts." In SAE 2005 World Congress & Exhibition. 400 Commonwealth Drive, Warrendale, PA, United States: SAE International, 2005. http://dx.doi.org/10.4271/2005-01-0988.

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Yamaguchi, Tasuku, Daiki Shiozawa, Yu Nakamura, Takahide Sakagami, Shinichi Nonaka, and Tomoaki Shinchi. "Fatigue strength evaluation for CFRP Based on thermoelastic stress analysis." In 2019 Quantitative InfraRed Thermographapy Asia. QIRT Council, 2019. http://dx.doi.org/10.21611/qirt.2019.037.

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Reports on the topic "Fatigue strength analysis"

Li, Xuejun, Timothy Whalen, and Mark Bowman. Fatigue Strength and Evaluation of Sign Structures,Volume 1: Analysis and Evaluation. Purdue University Press, 1992. http://dx.doi.org/10.5703/1288284313384.

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Garsa, Adam, Julie K. Jang, Sangita Baxi, Christine Chen, Olamigoke Akinniranye, Owen Hall, Jody Larkin, Aneesa Motala, Sydne Newberry, and Susanne Hempel. Radiation Therapy for Brain Metasases. Agency for Healthcare Research and Quality (AHRQ), June 2021. http://dx.doi.org/10.23970/ahrqepccer242.

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Objective. This evidence report synthesizes the available evidence on radiation therapy for brain metastases. Data sources. We searched PubMed®, Embase®, Web of Science, Scopus, CINAHL®, clinicaltrials.gov, and published guidelines in July 2020; assessed independently submitted data; consulted with experts; and contacted authors. Review methods. The protocol was informed by Key Informants. The systematic review was supported by a Technical Expert Panel and is registered in PROSPERO (CRD42020168260). Two reviewers independently screened citations; data were abstracted by one reviewer and checked by an experienced reviewer. We included randomized controlled trials (RCTs) and large observational studies (for safety assessments), evaluating whole brain radiation therapy (WBRT) and stereotactic radiosurgery (SRS) alone or in combination, as initial or postoperative treatment, with or without systemic therapy for adults with brain metastases due to non-small cell lung cancer, breast cancer, or melanoma. Results. In total, 97 studies, reported in 190 publications, were identified, but the number of analyses was limited due to different intervention and comparator combinations as well as insufficient reporting of outcome data. Risk of bias varied; 25 trials were terminated early, predominantly due to poor accrual. Most studies evaluated WBRT, alone or in combination with SRS, as initial treatment; 10 RCTs reported on post-surgical interventions. The combination treatment SRS plus WBRT compared to SRS alone or WBRT alone showed no statistically significant difference in overall survival (hazard ratio [HR], 1.09; confidence interval [CI], 0.69 to 1.73; 4 RCTs; low strength of evidence [SoE]) or death due to brain metastases (relative risk [RR], 0.93; CI, 0.48 to 1.81; 3 RCTs; low SoE). Radiation therapy after surgery did not improve overall survival compared with surgery alone (HR, 0.98; CI, 0.76 to 1.26; 5 RCTs; moderate SoE). Data for quality of life, functional status, and cognitive effects were insufficient to determine effects of WBRT, SRS, or post-surgical interventions. We did not find systematic differences across interventions in serious adverse events radiation necrosis, fatigue, or seizures (all low or moderate SoE). WBRT plus systemic therapy (RR, 1.44; CI, 1.03 to 2.00; 14 studies; moderate SoE) was associated with increased risks for vomiting compared to WBRT alone. Conclusion. Despite the substantial research literature on radiation therapy, comparative effectiveness information is limited. There is a need for more data on patient-relevant outcomes such as quality of life, functional status, and cognitive effects.

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