Готові списки джерел за темами / Failure and Damage

Добірка наукової літератури з теми "Failure and Damage"

Автор: Grafiati
Опубліковано: 14 березня 2023

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Статті в журналах з теми "Failure and Damage"

1

Hu, Jianhua, Pingping Zeng, Dongjie Yang, Guanping Wen, Xiao Xu, Shaowei Ma, Fengwen Zhao, and Rui Xiang. "Experimental Investigation on Uniaxial Compression Mechanical Behavior and Damage Evolution of Pre-Damaged Granite after Cyclic Loading." Energies 14, no. 19 (September 28, 2021): 6179. http://dx.doi.org/10.3390/en14196179.

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Failure behavior of pillars in deep mines is affected by various cyclic loads that cause initial pre-damage. Pillars will be further damaged and developed in the long-term compressive stress until they are destroyed. To reveal the strength characteristics and crack damage fracture laws after rock pre-damage, uniaxial compression tests were carried out on granite specimens damaged by cyclic loading using the digital speckle correlation method. The experimental results indicate that the mechanical properties of pre-damaged specimens show large damage differences for different cycles. The damage variable of the pre-damaged specimens increases with the increase of cycle number and confining pressure. The damage of specimens is primarily due to the strength weakening effect caused by cycle numbers, and the confining pressure restriction effect is not obvious. The evolution laws of uniaxial compression damage propagation in the pre-damaged specimens show differences and obvious localization phenomenon. Pre-damaged specimens experienced three failure modes in the uniaxial compression test, namely tensile shear failure (Mode I), quasi-coplanar shear failure (Mode II), and stepped path failure (Mode III), and under different pre-damage stress environments with high confining pressures, the failure modes are dominated by Mode II and Mode III, respectively.
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2

Verma, Amrit Shankar, Nils Petter Vedvik, Zhen Gao, Saullo G. P. Castro, and Julie J. E. Teuwen. "Bondline Thickness Effects on Damage Tolerance of Adhesive Joints Subjected to Localized Impact Damages: Application to Leading Edge of Wind Turbine Blades." Materials 14, no. 24 (December 8, 2021): 7526. http://dx.doi.org/10.3390/ma14247526.

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The leading edges of wind turbine blades are adhesively bonded composite sections that are susceptible to impact loads during offshore installation. The impact loads can cause localized damages at the leading edges that necessitate damage tolerance assessment. However, owing to the complex material combinations together with varying bondline thicknesses along the leading edges, damage tolerance investigation of blades at full scale is challenging and costly. In the current paper, we design a coupon scale test procedure for investigating bondline thickness effects on damage tolerance of joints after being subjected to localized impact damages. Joints with bondline thicknesses (0.6 mm, 1.6 mm, and 2.6 mm) are subjected to varying level of impact energies (5 J, 10 J, and 15 J), and the dominant failure modes are identified together with analysis of impact kinematics. The damaged joints are further tested under tensile lap shear and their failure loads are compared to the intact values. The results show that for a given impact energy, the largest damage area was obtained for the thickest joint. In addition, the joints with the thinnest bondline thicknesses displayed the highest failure loads post impact, and therefore the greatest damage tolerance. For some of the thin joints, mechanical interlocking effects at the bondline interface increased the failure load of the joints by 20%. All in all, the coupon scale tests indicate no significant reduction in failure loads due to impact, hence contributing to the question of acceptable localized damage, i.e., damage tolerance with respect to static strength of the whole blade.
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3

Xie, Li Yang, and Shao Ze Yan. "A Unified Reliability Modeling Approach for Mechanical System and Complex Component." Advanced Materials Research 308-310 (August 2011): 1416–19. http://dx.doi.org/10.4028/www.scientific.net/amr.308-310.1416.

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With the scenario of reliability estimation, a geometrically complex mechanical/structural component with multiple damage sites should be treated as a system, since there are many links (damage sites) of similar failure probabilities on any of such a component and the failures of the individual damage sites are not perfectly dependent of each other. Conventional system reliability model is not applicable to such a system because of the statistical dependence among the element (damage site) failures. To estimate the reliability of a mechanical system (or a complex component) in which element (damage site) failure dependence plays an important role, a model capable of reflecting the effect of element failure dependence is necessary. The present paper develops models which can deal with multiple damage sites and multiple failure mechanisms, reflect the dependence among element failure events and that among different failure modes. Such models are applicable to both typical mechanical systems and various components.
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4

Lu, Ling, and Yu Lin Yang. "Experimental Study of Failure Performances of 51306-Coated Bearings under Lubricant Interruption Condition." Advanced Materials Research 383-390 (November 2011): 3876–81. http://dx.doi.org/10.4028/www.scientific.net/amr.383-390.3876.

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Some terrible disasters of aircrafts were caused by inadequate lubrication or interruption of lubricant delivery of the gas turbine engine mainshaft bearings. This paper introduces the design of the test equipment, performs the experiments of failure performance for 51306 coated bearings to respond to oil interruption under the actual situation. The main failure performance of test coated bearings has been demonstrated to be the cage damage of the test coated bearing. The failure mechanism model of the damaged cage of test coated bearings under oil interruption condition is established for the failure analysis of damage cages. The failure mechanism of the damaged cages is revealed. The main reason for the damages of test coated bearing cages under lubricant interruption condition is that the perpendicular component force acted on the cage increases continually to go with the increase of the friction force between the balls and the cage due to inadequate lubrication until the cage is broken.
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5

Mueller, Karsten, Friederike Thiel, Frank Beutner, Andrej Teren, Stefan Frisch, Tommaso Ballarini, Harald E. Möller, et al. "Brain Damage With Heart Failure." Circulation Research 126, no. 6 (March 13, 2020): 750–64. http://dx.doi.org/10.1161/circresaha.119.315813.

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Rationale: Heart failure (HF) following heart damage leads to a decreased blood flow due to a reduced pump efficiency of the heart muscle. A consequence can be insufficient oxygen supply to the organism including the brain. While HF clearly shows neurological symptoms, such as fatigue, nausea, and dizziness, the implications for brain structure are not well understood. Few studies show regional gray matter decrease related to HF; however, the underlying mechanisms leading to the observed brain changes remain unclear. Objective: To study the relationship between impaired heart function, hampered blood circulation, and structural brain change in a case-control study. Methods and Results: Within a group of 80 patients of the Leipzig Heart Center, we investigated a potential correlation between HF biomarkers and the brain’s gray matter density (GMD) obtained by magnetic resonance imaging. We observed a significant positive correlation between cardiac ejection fraction and GMD across the whole frontal and parietal medial cortex reflecting the consequence of HF onto the brain’s gray matter. Moreover, we also obtained a relationship between GMD and the NT-proBNP (N-terminal prohormone of brain natriuretic peptide)—a biomarker that is used for screening, diagnosis, and prognosis of HF. Here, we found a significant negative correlation between NT-proBNP and GMD in the medial and posterior cingulate cortex but also in precuneus and hippocampus, which are key regions implicated in structural brain changes in dementia. Conclusions: We obtained significant correlations between brain structure and markers of heart failure including ejection fraction and NT-proBNP. A diminished GMD was found with decreased ejection fraction and increased NT-proBNP in wide brain regions including the whole frontomedian cortex as well as hippocampus and precuneus. Our observations might reflect structural brain damage in areas that are related to cognition; however, whether these structural changes facilitate the development of cognitive alterations has to be proven by further longitudinal studies.
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6

Joseph, Michael. "HEART FAILURE FROM BRAIN DAMAGE." Developmental Medicine & Child Neurology 9, no. 6 (November 12, 2008): 772–73. http://dx.doi.org/10.1111/j.1469-8749.1967.tb02362.x.

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7

Do, Xuan Nam, Adnan Ibrahimbegovic, and Delphine Brancherie. "Localized failure in damage dynamics." Coupled systems mechanics 4, no. 3 (September 25, 2015): 211–35. http://dx.doi.org/10.12989/csm.2015.4.3.211.

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8

Priyono, Heru, and Widi Setiawan. "INVESTIGATION SOUND FREQUENCY OF TIRE FAILURE IN DRUM TEST MACHINE." Proceedings of The Conference on Management and Engineering in Industry 1, no. 1 (September 16, 2019): 40–43. http://dx.doi.org/10.33555/cmei.v1i1.12.

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Indoor test on the tire using the drum test machine by applying pressure and rotation according to the test method that has been determined until the tire is damaged, even until the tire explodes. This is done by measuring the maximum strength of the tire. Damage or explosion on the tire when testing takes place is not expected to occur, because this explosion can damage the drum test machine. For research and development purposes it is necessary to find out the location of the initial damage to the tire so that it can be improved on the weak part of the tire. A few moments before the tire is damaged a lump on the tire occurs and produces an unusual sound. This change in the frequency of sound that occurs before and when the initial tire is damaged will be analyzed, which will then be used to create a tire damage detection system so that the test can be stopped when the tire has initial damage.
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9

Alsarayefi, Saad, and Karoly Jalics. "Anticipation of damage presence in a fibre reinforced polymer plate through damping behaviour." Engineering Solid Mechanics 9, no. 3 (2021): 263–70. http://dx.doi.org/10.5267/j.esm.2021.3.004.

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Failure of composite materials due to poor anticipations of damages occur very frequently. Damages in composite materials may exist as visible or non-visible with different configurations and identities. Thus, investigation of damages existence in composite materials has to have prior attention to avoid the failure of structures. The current work investigates the damping response offered by a damaged fiber-reinforced polymer plate. The plate is put under three different conditions regarding the damage existence. The focus is to measure the loss factor in all cases and determine whether there is a difference among them to prove damage presence in the composite part. The loss factor is experimentally measured by measuring the reverberation time RT60. The resulting data of loss factors show a well-distinguished difference that might lead to predicted damages and to do a more expanded analysis of this issue.
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10

van Bergeijk, Vera M., Vincent A. Verdonk, Jord J. Warmink, and Suzanne J. M. H. Hulscher. "The Cross-Dike Failure Probability by Wave Overtopping over Grass-Covered and Damaged Dikes." Water 13, no. 5 (March 3, 2021): 690. http://dx.doi.org/10.3390/w13050690.

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A probabilistic framework is developed to calculate the cross-dike failure probability by overtopping waves on grass-covered dikes. The cross-dike failure probability of dike profiles including transitions and damages can be computed to find the most likely location of failure and quantify the decrease in the failure probability when this location is strengthened. The erosion depth along the dike profile is calculated using probability distributions for the water level, wind speed and dike cover strength. Failure is defined as the exceedance of 20 cm erosion depth when the topsoil of the grass cover is eroded. The cross-dike failure probability shows that the landward toe is the most vulnerable location for wave overtopping. Herein, the quality of the grass cover significantly affects the failure probability up to a factor 1000. Next, the failure probability for different types of damages on the landward slope are calculated. In case of a damage where the grass cover is still intact and strong, the dike is most likely to fail at the landward toe due to high flow velocity and additional load due to the slope change. However, when the grass cover is also damaged, the probability of failure at the damage is between 4 and 125 times higher than for a regular dike profile.
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Дисертації з теми "Failure and Damage"

1

Shipsha, Andrey. "Failure of Sandwich Structures with Sub-Interface Damage." Doctoral thesis, Stockholm, 2001. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-3184.

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2

DiPeri, Timothy P. "Neuromodulation Therapy Mitigates Heart Failure Induced Hippocampal Damage." Digital Commons @ East Tennessee State University, 2014. https://dc.etsu.edu/honors/208.

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Cardiovascular disease (CVD) is the leading cause of death in the United States. Nearly half of the people diagnosed with heart failure (HF) die within 5 years of diagnosis. Brain abnormalities secondary to CVD have been observed in many discrete regions, including the hippocampus. Nearly 25% of patients with CVD also have major depressive disorder (MDD), and hippocampal dysfunction is a characteristic of both diseases. In this study, the hippocampus and an area of the hippocampal formation, the dentate gyrus (DG), were studied in a canine model of HF. Using this canine HF model previously, we have determined that myocardial infarction with mitral valve regurgitation (MI/MR) + spinal cord stimulation (SCS) can preserve cardiac function. The goal of this study was to determine if the SCS can also protect the brain in a similar fashion. Both the entire hippocampus and the DG tissues were dissected from canine brains and analyzed. These findings provide strong evidence that, in addition to the cardioprotective effects observed previously, SCS following MI/MR induces neuroprotective effects in the brain.
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3

Alves, Marcilio. "Damage mechanics applied to structural impact." Thesis, University of Liverpool, 1996. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.484220.

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4

Wilkinson, Ann Elizabeth. "Skeletal muscle damage in patients with multiple organ failure." Thesis, University of Liverpool, 1995. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.283453.

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5

Chambers, Jeffrey Thomas. "Lengthscale effects in the damage and failure of composites." Thesis, Massachusetts Institute of Technology, 2014. http://hdl.handle.net/1721.1/90598.

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Анотація:
Thesis: Ph. D., Massachusetts Institute of Technology, Department of Aeronautics and Astronautics, 2014.
This electronic version was submitted by the student author. The certified thesis is available in the Institute Archives and Special Collections.
Cataloged from PDF version of thesis.
Includes bibliographical references (pages 625-636).
The primary objective of this work is to investigate and identify lengthscale effects associated with damage in composite materials and their structures, and to determine how these lengthscales vary across levels of composites and can be used in assessing the overall response of composite structures. This is an advancement in a much larger pursuit towards developing a new methodology that utilizes composite failure and material data collected across all levels in order to predict the occurrence of damage and its effects at any operative level of composite structures. Documentation procedures are developed to capture qualitative and quantitative information on damage within experimental specimens, and computed microtomography provides additional information on the damage process. Specimens containing structural details are investigated postmortem to identify lengthscales associated with damage modes. Finite element models are developed in order to investigate the interaction of lengthscales associated with structural details with those associated with the basic damage modes. Based on these experimental and numerical results, lengthscales associated with five basic damage modes, as identified from previous studies, and the four structural details included in this investigation are identified and discussed, as are their interactions and importance. It is found that it is important to recognize two damage regimes, initiation and propagation, in characterizing lengthscales associated with damage modes. Identifying key lengthscales within each regime allows investigation of how the critical lengthscale(s) controlling the damage mode(s) change(s) across regimes. The concept of the "observable lengthscale" is identified as an important consideration when investigating lengthscales in experimental specimens and structures in that the observable lengthscale sets the ability to resolve damage and interactions of such. In a manner analogous to the "observable lengthscale," key lengthscales of basic damage modes and of structural details need to be used when choosing the scale of finite element models so that models have a resolution at least as fine as the key lengthscale of the mode under investigation. The results of the work show that the concept of lengthscales is a viable tool to characterize the overall response of composite structures, particularly involving damage initiation, damage propagation, and overall failure. The determination of how these lengthscales vary across levels in composites provides an important tool that can be used to assess this overall response of composite structures. Particular conclusions considering each damage mode are offered. In addition, a new damage type, called "transverse zigzag," is identified and studied, resulting in a finding that loads can "bypass" and "carry-through" regions of damage, depending on the geometry and laminate. Recommendations for further investigations are proposed based on the understanding of the role of lengthscales in the damage and failure of composites acquired from this work, and the needs identified to further this understanding.
by Jeffrey Thomas Chambers.
Ph. D.
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6

魏勇 and Yong Wei. "On fatigue failure prediction with damage mechanics: theory and application." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 1993. http://hub.hku.hk/bib/B31233260.

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7

Halbert, Keith. "Estimation of probability of failure for damage-tolerant aerospace structures." Thesis, Temple University, 2014. http://pqdtopen.proquest.com/#viewpdf?dispub=3623167.

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The majority of aircraft structures are designed to be damage-tolerant such that safe operation can continue in the presence of minor damage. It is necessary to schedule inspections so that minor damage can be found and repaired. It is generally not possible to perform structural inspections prior to every flight. The scheduling is traditionally accomplished through a deterministic set of methods referred to as Damage Tolerance Analysis (DTA). DTA has proven to produce safe aircraft but does not provide estimates of the probability of failure of future flights or the probability of repair of future inspections. Without these estimates maintenance costs cannot be accurately predicted. Also, estimation of failure probabilities is now a regulatory requirement for some aircraft.

The set of methods concerned with the probabilistic formulation of this problem are collectively referred to as Probabilistic Damage Tolerance Analysis (PDTA). The goal of PDTA is to control the failure probability while holding maintenance costs to a reasonable level. This work focuses specifically on PDTA for fatigue cracking of metallic aircraft structures. The growth of a crack (or cracks) must be modeled using all available data and engineering knowledge. The length of a crack can be assessed only indirectly through evidence such as non-destructive inspection results, failures or lack of failures, and the observed severity of usage of the structure.

The current set of industry PDTA tools are lacking in several ways: they may in some cases yield poor estimates of failure probabilities, they cannot realistically represent the variety of possible failure and maintenance scenarios, and they do not allow for model updates which incorporate observed evidence. A PDTA modeling methodology must be flexible enough to estimate accurately the failure and repair probabilities under a variety of maintenance scenarios, and be capable of incorporating observed evidence as it becomes available.

This dissertation describes and develops new PDTA methodologies that directly address the deficiencies of the currently used tools. The new methods are implemented as a free, publicly licensed and open source R software package that can be downloaded from the Comprehensive R Archive Network. The tools consist of two main components. First, an explicit (and expensive) Monte Carlo approach is presented which simulates the life of an aircraft structural component flight-by-flight. This straightforward MC routine can be used to provide defensible estimates of the failure probabilities for future flights and repair probabilities for future inspections under a variety of failure and maintenance scenarios. This routine is intended to provide baseline estimates against which to compare the results of other, more efficient approaches.

Second, an original approach is described which models the fatigue process and future scheduled inspections as a hidden Markov model. This model is solved using a particle-based approximation and the sequential importance sampling algorithm, which provides an efficient solution to the PDTA problem. Sequential importance sampling is an extension of importance sampling to a Markov process, allowing for efficient Bayesian updating of model parameters. This model updating capability, the benefit of which is demonstrated, is lacking in other PDTA approaches. The results of this approach are shown to agree with the results of the explicit Monte Carlo routine for a number of PDTA problems.

Extensions to the typical PDTA problem, which cannot be solved using currently available tools, are presented and solved in this work. These extensions include incorporating observed evidence (such as non-destructive inspection results), more realistic treatment of possible future repairs, and the modeling of failure involving more than one crack (the so-called continuing damage problem).

The described hidden Markov model / sequential importance sampling approach to PDTA has the potential to improve aerospace structural safety and reduce maintenance costs by providing a more accurate assessment of the risk of failure and the likelihood of repairs throughout the life of an aircraft.

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8

Dannemann, Kathryn Ann. "Damage development and failure of fiber-reinforced ceramic matrix composites." Thesis, Massachusetts Institute of Technology, 1989. http://hdl.handle.net/1721.1/14197.

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Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Materials Science and Engineering, 1989.
Vita.
Includes bibliographical references (leaves 111-120).
by Kathryn Ann Dannemann.
Ph.D.
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9

Chen, Boyang. "Numerical modelling of scale-dependent damage and failure of composites." Thesis, Imperial College London, 2013. http://hdl.handle.net/10044/1/24169.

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A computational study of the size effects of open-hole tension composite laminates is carried out. The thickness-dependence of translaminar fracture toughness is accounted for in the numerical model, which enables the sublaminate-scaling effect of strength to be accurately predicted by a deterministic model. Neglecting delamination in modelling is found to cause mesh-dependence and over-estimation in strength predictions. A smeared crack model with cohesive elements between plies can reliably predict the failure mode, but not the strength, for laminates failed by delamination. A floating node method is developed for explicitly modelling multiple discontinuities within an element. The degree-of-freedom vectors do not have associated initial coordinates; they are assigned to new material points when needed during analysis. The proposed method is well suited for modelling strong, weak and cohesive discontinuities, for the representation of complex crack networks, and for the accurate modelling of matrix crack/delamination interactions in composites.
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10

Sedman, Andrew James. "Mechanical failure of bone and antler : the accumulation of damage." Thesis, University of York, 1993. http://etheses.whiterose.ac.uk/14047/.

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Книги з теми "Failure and Damage"

1

Altenbach, Holm, and Tomasz Sadowski, eds. Failure and Damage Analysis of Advanced Materials. Vienna: Springer Vienna, 2015. http://dx.doi.org/10.1007/978-3-7091-1835-1.

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2

Xia, Shuman, Allison Beese, and Ryan B. Berke, eds. Fracture, Fatigue, Failure and Damage Evolution , Volume 3. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-60959-7.

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3

Carroll, Jay, Shuman Xia, Allison M. Beese, Ryan B. Berke, and Garrett J. Pataky, eds. Fracture, Fatigue, Failure and Damage Evolution, Volume 6. Cham: Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-319-95879-8.

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4

Beese, Allison M., Alan T. Zehnder, and Shuman Xia, eds. Fracture, Fatigue, Failure and Damage Evolution, Volume 8. Cham: Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-21611-9.

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Carroll, Jay, Shuman Xia, Alison M. Beese, Ryan B. Berke, and Garrett J. Pataky, eds. Fracture, Fatigue, Failure and Damage Evolution, Volume 7. Cham: Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-62831-8.

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6

Skrzypek, Jacek J., and Artur Ganczarski. Modeling of Material Damage and Failure of Structures. Berlin, Heidelberg: Springer Berlin Heidelberg, 1999. http://dx.doi.org/10.1007/978-3-540-69637-7.

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7

Carroll, Jay, and Samantha Daly, eds. Fracture, Fatigue, Failure, and Damage Evolution, Volume 5. Cham: Springer International Publishing, 2015. http://dx.doi.org/10.1007/978-3-319-06977-7.

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8

Zehnder, Alan T., Jay Carroll, Kavan Hazeli, Ryan B. Berke, Garrett Pataky, Matthew Cavalli, Alison M. Beese, and Shuman Xia, eds. Fracture, Fatigue, Failure and Damage Evolution, Volume 8. Cham: Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-42195-7.

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9

Beese, Allison, Ryan B. Berke, Garrett Pataky, and Shelby Hutchens, eds. Fracture, Fatigue, Failure and Damage Evolution, Volume 3. Cham: Springer International Publishing, 2023. http://dx.doi.org/10.1007/978-3-031-17467-4.

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10

Altus, E. Foundation of a mechano-chemical fatigue theory (MCFT). Downsview, Ont: Institute for Aerospace Studies, 1989.

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Частини книг з теми "Failure and Damage"

1

Otegui, Jose Luis. "Mechanisms of Damage and Failure." In Failure Analysis, 85–120. Cham: Springer International Publishing, 2014. http://dx.doi.org/10.1007/978-3-319-03910-7_4.

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Otegui, Jose Luis. "Damage Resistance Tests of Materials." In Failure Analysis, 121–48. Cham: Springer International Publishing, 2014. http://dx.doi.org/10.1007/978-3-319-03910-7_5.

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Otegui, Jose Luis. "Damage and Failure Mechanisms in Machinery." In Failure Analysis, 219–50. Cham: Springer International Publishing, 2014. http://dx.doi.org/10.1007/978-3-319-03910-7_8.

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4

White, Nathan J., and Kevin R. Ward. "Blood Failure: Pathophysiology and Diagnosis." In Damage Control Resuscitation, 41–65. Cham: Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-20820-2_3.

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5

Prunier, Florent, François Nicot, Richard Wan, Jérôme Duriez, and Félix Darve. "Failure Mechanics of Geomaterials." In Handbook of Damage Mechanics, 137–69. New York, NY: Springer New York, 2014. http://dx.doi.org/10.1007/978-1-4614-5589-9_21.

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Prunier, Florent, François Nicot, Richard Wan, Jérôme Duriez, and Félix Darve. "Failure Mechanics of Geomaterials." In Handbook of Damage Mechanics, 1–29. New York, NY: Springer New York, 2013. http://dx.doi.org/10.1007/978-1-4614-8968-9_21-1.

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Prunier, Florent, François Nicot, Richard Wan, Jérôme Duriez, and Félix Darve. "Failure Mechanics of Geomaterials." In Handbook of Damage Mechanics, 1077–109. Cham: Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-030-60242-0_21.

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Haglund, U. "Hypoxic Damage." In Pathophysiology of Shock, Sepsis, and Organ Failure, 314–21. Berlin, Heidelberg: Springer Berlin Heidelberg, 1993. http://dx.doi.org/10.1007/978-3-642-76736-4_24.

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Kurr, Friedrich. "Quality and Damage Figures." In Handbook of Plastics Failure Analysis, 145–439. München: Carl Hanser Verlag GmbH & Co. KG, 2014. http://dx.doi.org/10.3139/9781569905456.003.

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Cristescu, N. "Damage and failure of rocks." In Rock Rheology, 151–65. Dordrecht: Springer Netherlands, 1989. http://dx.doi.org/10.1007/978-94-009-2554-0_9.

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Тези доповідей конференцій з теми "Failure and Damage"

1

Naimark, O., O. Plekhov, W. Proud, S. Uvarov, Mark Elert, Michael D. Furnish, Ricky Chau, Neil Holmes, and Jeffrey Nguyen. "DAMAGE-FAILURE TRANSITION: DYNAMIC CRACK BRANCHING, FRAGMENTATION, FAILURE WAVE." In SHOCK COMPRESSION OF CONDENSED MATTER - 2007: Proceedings of the Conference of the American Physical Society Topical Group on Shock Compression of Condensed Matter. AIP, 2008. http://dx.doi.org/10.1063/1.2833230.

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2

Hallström, Stefan, Andrey Shipsha, and Dan Zenkert. "Failure of Impact Damaged Foam Core Sandwich Beams." In ASME 2000 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2000. http://dx.doi.org/10.1115/imece2000-2020.

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Abstract The scope of this paper is to investigate the structural integrity of sandwich beams subjected to various load cases after local impact. The studied impact damages can be characterised as core indentation and face/core interface damage while the faces are virtually unaffected by the impact. At subsequent loading different types of post impact failure occur, depending on the size of the impact damages and the applied load. Sandwich beams are impacted using two different impact energies and the resulting damage is inspected and measured. The measurements are used to characterise the damage and as input for analytical and finite element models in order to predict post impact failure in various load cases. The impact damages are modelled as face/core interface cracks but the approach is found to be too rough to achieve full agreement with experiments. It is concluded that the damaged face/core interface is not entirely separated but some bridging remains between the surfaces.
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3

Qun Zhang, Grace Peng, Xia Gao, and Craig Hamilton. "Failure analysis of EOS damage case study." In 2009 16th IEEE International Symposium on the Physical and Failure Analysis of Integrated Circuits (IPFA). IEEE, 2009. http://dx.doi.org/10.1109/ipfa.2009.5232630.

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4

Usynin, Alexander, J. Wesley Hines, and Aleksey Urmanov. "Uncertain failure thresholds in cumulative damage models." In 2008 Annual Reliability and Maintainability Symposium. IEEE, 2008. http://dx.doi.org/10.1109/rams.2008.4925818.

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5

Jia, Huirong, and Torgeir Moan. "Conditional Risk Assessment Considering Hull Girder Failure of Vessels With Collision-Induced Damage Amidships." In ASME 2011 30th International Conference on Ocean, Offshore and Arctic Engineering. ASMEDC, 2011. http://dx.doi.org/10.1115/omae2011-49467.

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This paper deals with conditional risk assessment considering hull girder failure of damaged vessels. Only damages amidships are investigated. Conditional risk in this paper is defined as the probability of a given damage multiplied by the probability of hull girder failure conditioned upon the given damage. Taking a double hull oil tanker at full load condition as an example, the 3-hour’s failure probabilities conditioned upon damage properties are estimated. The statistical database for collision event in the HARDER project is adopted to assess the probability of sea state and damage. The sensitivity of 3-hour’s failure probability to the sea state and damage properties is investigated. Furthermore, the conditional risk is also assessed.
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6

Watkins, Steve E. "Laser-induced failure in biased silicon avalanche photodiodes." In Laser-Induced Damage in Optical Materials 1989. SPIE, 1990. http://dx.doi.org/10.1117/12.2294430.

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7

LEONE, FRANK, MADHAVADAS RAMNATH, IMRAN HYDER, STEVEN WANTHAL, JOSEPH SCHAEFER, and GERALD MABSON. "Benchmarking Mixed Mode Matrix Failure in Progressive Damage and Failure Analysis Methods." In American Society for Composites 2018. Lancaster, PA: DEStech Publications, Inc., 2018. http://dx.doi.org/10.12783/asc33/26030.

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8

Ma, Jing, Fan Zhang, and Guy Desjardins. "Risk-Based Mitigation of Mechanical Damage." In 2016 11th International Pipeline Conference. American Society of Mechanical Engineers, 2016. http://dx.doi.org/10.1115/ipc2016-64040.

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According to the PHMSA data on reportable incidents, for the 20 years ranging from 1995 to 2014, excavation damage accounted for 16.4% of the incidents on 301,732 miles of gas transmission pipelines and 15.6% of the incidents on 199,210 miles of hazardous liquid pipelines. On the whole, excavation damage is a major cause of incidents, ranking third following incidents caused by material/weld/equipment failure and corrosion. For the purposes of this study, mechanical damage is separated into two categories, i.e. immediate failures and delayed failures. An immediate failure is one which occurs at the instant the damage is done to the pipeline. A puncture, for example, is an immediate failure. Delayed failures involve damage that is not sufficient to cause a leak or a rupture at the time it is inflicted. On average, 14.6% of the mechanical damage incidents in gas transmission pipelines and 13.3% of the mechanical damage incidents in hazardous liquid pipelines can be classified as delayed failures. The immediate failures are generally minimized through the preventative measure and design efforts. For instance, it is shown herein that the puncture probability can be calculated through the comparison between the likelihood of any given external load being imposed and inherent pipe resistance. While preventative measures serve to reduce the occurrences of delayed failures as well as the occurrences of immediate failures, delayed failures are largely mitigated through in-line inspection and timely remediation actions. The fact that the assessment methods for mechanical damage are generally not as robust as those for cracks and corrosion tends to limit the reliability of deterministic calculations of response times. Therefore, in the study described herein, risk-based approaches to minimizing delayed failures were developed. Three different approaches to deciding which dents need to be excavated after an ILI were pursued. One involves the use of reportable incident rates based on the PHMSA statistics in conjunction with the number of ILI dent indications per mile to get a probability of failure. The second consists of a decision-making process based on the ILI-reported dent depths and the dent fatigue life probability-of-exceedance function. The third relates to a decision-making process based on successive excavations of dents located by ILI, in which the Bayesian method is applied to compare predicted versus actual severity and thereby determine the probability of failure associated with stopping after a specific number of excavations.
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9

Sawicki, Rick H., Clifford C. Shang, and T. L. Swatloski. "Failure characterization of nodular defects in multilayer dielectric coatings." In Laser-Induced Damage in Optical Materials: 1994, edited by Harold E. Bennett, Arthur H. Guenther, Mark R. Kozlowski, Brian E. Newnam, and M. J. Soileau. SPIE, 1995. http://dx.doi.org/10.1117/12.213718.

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Morales, R. H., T. R. Webb, and R. Hollier. "Borehole Failure: Safe Drawdown Pressures and Wellbore Damage Radius." In SPE International Symposium on Formation Damage Control. Society of Petroleum Engineers, 2000. http://dx.doi.org/10.2118/58789-ms.

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Звіти організацій з теми "Failure and Damage"

1

Banovic, Stephen W., and Timothy Foecke. Damage and failure modes of structural steel components. Gaithersburg, MD: National Institute of Standards and Technology, 2005. http://dx.doi.org/10.6028/nist.ncstar.1-3cv1.

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2

Gagliardi, F., and S. Pease. PBX 9502 Multimode Damage Accumulation Cycles-to-Failure Study. Office of Scientific and Technical Information (OSTI), November 2014. http://dx.doi.org/10.2172/1183561.

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3

Banovic, Stephen W., and Timothy Forcke. Damage and failure modes of structural steel components (Appendices A-G). Gaithersburg, MD: National Institute of Standards and Technology, 2005. http://dx.doi.org/10.6028/nist.ncstar.1-3cv2.

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Kollegal, M., S. N. Chatterjee, and G. Flanagan. Progressive Failure Analysis of Plain Weaves Using Damage Mechanics Based Constitutive Laws. Fort Belvoir, VA: Defense Technical Information Center, January 2006. http://dx.doi.org/10.21236/ada449264.

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Ghosh, Somnath. Multi-Scale Dynamic Computational Models for Damage and Failure of Heterogeneous Materials. Fort Belvoir, VA: Defense Technical Information Center, October 2006. http://dx.doi.org/10.21236/ada459374.

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Curtin, W. A. Multiscale Models of Multifunctional Composites for On-Board Damage Detection and Failure Prevention. Fort Belvoir, VA: Defense Technical Information Center, October 2008. http://dx.doi.org/10.21236/ada500339.

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7

Fok, Alex. Failure Predictions for VHTR Core Components using a Probabilistic Contiuum Damage Mechanics Model. Office of Scientific and Technical Information (OSTI), October 2013. http://dx.doi.org/10.2172/1124167.

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8

Faux, D. R. ,. LLNL. Mechanical failure characterization of optical components caused by laser induced damage initiated at contaminants. Office of Scientific and Technical Information (OSTI), December 1997. http://dx.doi.org/10.2172/675033.

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Wilson, A. L. Relation between {open_quotes}failure{close_quotes} and {open_quotes}damage{close_quotes}. Quarterly report, April--June 1970. Office of Scientific and Technical Information (OSTI), September 1997. http://dx.doi.org/10.2172/531116.

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10

Martz, H. F. The effect of uncertainties in nuclear reactor plant-specific failure data on core damage frequency. Office of Scientific and Technical Information (OSTI), May 1995. http://dx.doi.org/10.2172/93658.

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