Academic literature on the topic 'Shock'

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Journal articles on the topic "Shock"

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Pope, M. H., and D. B. Melrose. "Diffusive Shock Acceleration by Multiple Shock Fronts with Differing Properties." Publications of the Astronomical Society of Australia 11, no. 2 (August 1994): 175–79. http://dx.doi.org/10.1017/s1323358000019858.

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AbstractThe effect of diffusive shock acceleration on a distribution of particles is explored for multiple shocks, taking into account adiabatic expansion between the shocks. Specifically, the spectral index is calculated numerically for two cases: a sequence of identical shocks, and a sequence of pairs of shocks with alternating shock strength. How these two cases evolve to the asymptotic limit is examined, and it is shown that the evolution of the paired-shock case can be described by a sequence of identical shocks with shock strength equal to the mean of the two.
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Kevlahan, N. K. R. "The propagation of weak shocks in non-uniform flows." Journal of Fluid Mechanics 327 (November 25, 1996): 161–97. http://dx.doi.org/10.1017/s0022112096008506.

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A new theory of the propagation of weak shocks into non-uniform, two-dimensional flows is introduced. The theory is based on a description of shock propagation in terms of a manifold equation together with compatibility conditions for shock strength and its normal derivatives behind the shock. This approach was developed by Ravindran & Prasad (1993) for shocks of arbitrary strength propagating into a medium at rest and is extended here to non-uniform media and restricted to moderately weak shocks. The theory is tested against known analytical solutions for cylindrical and plane shocks, and against a full direct numerical simulation (DNS) of a shock propagating into a sinusoidal shear flow. The test against DNS shows that the present theory accurately predicts the evolution of a moderately weak shock front, including the formation of shock-shocks due to shock focusing. The theory is then applied to the focusing of an initially parabolic shock, and to the propagation of an initially straight shock into a variety of simple flows (sinusoidal shear, vortex array, point-vortex array) exhibiting some fundamental properties of turbulent flows. A number of relations are deduced for the variation of shock quantities with initial shock strength MS0 and the Mach number of the flow ahead of the shock MU (e.g. separation of shock-shocks and maximum shock strength at a focus). It is found that shock-shocks are likely to form in turbulent flows with Mt/M1N > 0.14–0.25, where Mt is the average Mach number of the turbulence and M1N is the Mach number of the shock in a flow at rest. The shock moves up to 1.5% faster in a two-dimensional vortex array than in uniform flow.
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Garcia, S. L., N. L. Garcia, L. R. Oliveira, V. L. C. C. Rodrigues, and M. L. S. Mello. "Experimentally induced heat- and cold-shock tolerance in adult Panstrongylus megistus (Burmeister) (Hemiptera, Reduviidae)." Brazilian Journal of Biology 63, no. 3 (August 2003): 449–55. http://dx.doi.org/10.1590/s1519-69842003000300010.

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The survival rate of domestic male and female adult Panstrongylus megistus was studied after sequential heat and cold shocks in order to investigate shock tolerance compared to that previously reported for nymphs. Sequential shocks were such that a milder shock (0°C, 5°C, 35°C, or 40°C for 1 h) preceded a severe one (0°C or 40°C for 12 h), separated by intervals of 8, 18, 24, and 72 h at 28°C (control temperature). The preliminary thermal shock induced tolerance to the more severe one, although tolerance intensity depended on the initial shock temperature and the interval between treatments. Despite the observed tolerance, the survival rate for insects subjected to both shocks decreased when compared to that of individuals subjected to a single mild shock. When tolerance differed with sex, females showed greater values than males. In contrast to the response detected in nymphs, for which higher heat tolerance values were sustained for intervals of up to 24 h (preliminary shock, 35ºC) or even longer (preliminary shock, 40ºC) between sequential shocks, significant values were verified in adults only for shock intervals of up to 8 h (preliminary shock, 40ºC). While findings for nymphs exhibited considerable cold-shock tolerance under conditions in which preliminary shocks were given at 5ºC or 0ºC and the periods between shocks were up to 72 h long, the adults were shown to be capable of acquiring a substancial tolerance response to a more severe cold shock only when the preliminary shock was given at 0ºC and shock interval surpassed 18 h. It is assumed that the mechanisms involved in the cellular protection of P. megistus under sequential temperature shocks (heat shock protein action?) may loose effectiveness with insect development.
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Bai, Jianming, Yun Chen, Chun Yuan, and Xiaoling Yin. "Limit Theorems for Local Cumulative Shock Models with Cluster Shock Structure." Mathematical Problems in Engineering 2015 (2015): 1–10. http://dx.doi.org/10.1155/2015/828979.

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This paper considers a more general shock model with insurance and financial risk background, in which the system is subject to two types of shocks called primary shocks and secondary shocks. Each primary shock causes a series of secondary shocks according to some cluster pattern. In reliability applications, a primary shock can represent an issue of insurance policies of an insurer company, and the secondary shocks then denote the relevant insurance claims generated by the policy. We focus on the local cumulative shock process where only a certain number of the most recent primary and secondary shocks are accumulated. This process is a very new topic in the available literature which is more flexible and realistic in modeling some more complex reliability situations such as bankrupt behavior of an insurance company. Based on the theory of infinite divisibility and stable distributions, we establish a central limit theorem for the local cumulative shock process and obtain the conditions for the process to converge to an infinitely divisible distribution or to anα-stable law. Also, by choosing the proper scale parameters, the process converges to a normal distribution.
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Watari, S., and T. Detman. "In situ local shock speed and transit shock speed." Annales Geophysicae 16, no. 4 (April 30, 1998): 370–75. http://dx.doi.org/10.1007/s00585-998-0370-9.

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Abstract. A useful index for estimating the transit speeds was derived by analyzing interplanetary shock observations. This index is the ratio of the in situ local shock speed and the transit speed; it is 0.6–0.9 for most observed shocks. The local shock speed and the transit speed calculated for the results of the magnetohydrodynamic simulation show good agreement with the observations. The relation expressed by the index is well explained by a simplified propagation model assuming a blast wave. For several shocks the ratio is approximately 1.2, implying that these shocks accelerated during propagation in slow-speed solar wind. This ratio is similar to that for the background solar wind acceleration.Keywords. Interplanetary physics (Flare and stream dynamics; Interplanetary shocks; Solar wind plasma)
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Wu, C. C., M. Dryer, and S. T. Wu. "Slow shock interactions in the heliosphere using an adaptive grid MHD model." Annales Geophysicae 23, no. 3 (March 30, 2005): 1013–23. http://dx.doi.org/10.5194/angeo-23-1013-2005.

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Abstract. A one-dimensional (1-D), time-dependent, adaptive-grid MHD model with solar wind structure has been used in the past to study the interaction of shocks. In the present study, we wish to study some fundamental processes that may be associated with slow shock genesis and their possible interactions with other discontinuities. This adaptive-grid model, suitable for appropriate spatial and temporal numerical simulations, is used for this purpose because its finer grid sizes in the vicinity of the steep gradients at shocks make it possible to delineate the physical parameters on both sides of the shocks. We found that a perturbation with deceleration of solar wind will generate an ensemble consisting of a forward slow shock, a fast forward wave and a reverse slow shock. On the other hand, a perturbation with an increase in acceleration of solar wind will generate both a slow shock and a fast shock. These two perturbations, although not unique, may be representative of momentum and pressure changes at the solar surface. During the transition of a fast shock overtaking a slow shock from behind, the slow shock might disappear temporarily. Also, during the process of the merging of two slow shocks, a slow shock-like structure is formed first; later, the slow shock-like structure evolves into an intermediate shock-like structure. This intermediate shock-like structure then evolves into an intermediate wave and a slow shock-like structure. Finally, the slow shock-like structure evolves into a slow shock, but the intermediate wave disappears by interacting with the non-uniform solar wind. This complex behavior demonstrates the non-unique nature of the formation of slow shocks, intermediate shocks and their derivative structures. We emphasize the main aim of this work to be both: (a) non-unique input physical parameters to explain the paucity of observed slow shocks, as well as (b) the impossibility of backward tracing to the history of input boundary conditions in view of the present inability to describe unambiguous inputs at the Sun.
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Hollenbach, David. "The Physics of Molecular Shocks in YSO Outflows." Symposium - International Astronomical Union 182 (1997): 181–98. http://dx.doi.org/10.1017/s0074180900061647.

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Shock waves light up the jets, winds and outflows around YSOs and diagnose the physical conditions and processes resident in these regions. This paper discusses the differences between the jet/wind shock and the ambient shock, between C shocks and J shocks, and between the shocks produced by pure jets and by collimated wide angle winds. Basic shock physics is briefly reviewed, with a special focus on the temperature structure in shocks and the Wardle instability of C shocks. Application is made to the origin of shocked H2 emission and to H2O masers.
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Spiteri, Shaun. "Shock Absorber Applications." European Journal of Engineering Research and Science 4, no. 1 (January 18, 2019): 37–41. http://dx.doi.org/10.24018/ejers.2019.4.1.1005.

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Shock Absorbers are a part of everyday life and have many different applications and uses. They are used for bridges, highways, buildings and cars to absorb the impact from the bumps, earthquakes and high winds. Different applications require different types of shocks and different materials. A rubber shock absorber cannot be used on a vehicle while a cylindrical shock absorber cannot be used on a highway. All the situations require a specific shape and type of shocks to be used for the required tasks.
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Spiteri, Shaun. "Shock Absorber Applications." European Journal of Engineering and Technology Research 4, no. 1 (January 18, 2019): 37–41. http://dx.doi.org/10.24018/ejeng.2019.4.1.1005.

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Shock Absorbers are a part of everyday life and have many different applications and uses. They are used for bridges, highways, buildings and cars to absorb the impact from the bumps, earthquakes and high winds. Different applications require different types of shocks and different materials. A rubber shock absorber cannot be used on a vehicle while a cylindrical shock absorber cannot be used on a highway. All the situations require a specific shape and type of shocks to be used for the required tasks.
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Cha, Ji Hwan, and Maxim Finkelstein. "On New Classes of Extreme Shock Models and Some Generalizations." Journal of Applied Probability 48, no. 1 (March 2011): 258–70. http://dx.doi.org/10.1239/jap/1300198148.

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In extreme shock models, only the impact of the current, possibly fatal shock is usually taken into account, whereas in cumulative shock models, the impact of the preceding shocks is accumulated as well. A shock model which combines these two types is called a ‘combined shock model’. In this paper we study new classes of extreme shock models and, based on the obtained results and model interpretations, we extend these results to several specific combined shock models. For systems subject to nonhomogeneous Poisson processes of shocks, we derive the corresponding survival probabilities and discuss some meaningful interpretations and examples.
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Dissertations / Theses on the topic "Shock"

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Schwendeman, Donald William Whitham G. B. "Numerical shock propagation using geometrical shock dynamics /." Diss., Pasadena, Calif. : California Institute of Technology, 1986. http://resolver.caltech.edu/CaltechETD:etd-03082008-083041.

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Zhou, Chunyan. "Shock response and shock protection of portable electronics /." View abstract or full-text, 2007. http://library.ust.hk/cgi/db/thesis.pl?MECH%202007%20ZHOU.

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Morrow, Heather. "Shock absorption." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1999. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape9/PQDD_0016/MQ54662.pdf.

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Long, Jessica B. "Paradoxical effects of shock the role of shock intensity and interresponse times followed by shock /." Morgantown, W. Va. : [West Virginia University Libraries], 2009. http://hdl.handle.net/10450/10369.

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Thesis (Ph. D.)--West Virginia University, 2009.
Title from document title page. Document formatted into pages; contains viii, 95 p. : ill. Includes abstract. Includes bibliographical references (p. 40-43).
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Hennessey, Noel. "Overcoming Shock: An Examination of Transfer Shock and Student Resiliency." Thesis, The University of Arizona, 2015. http://hdl.handle.net/10150/560635.

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This project examines the systemic causes of transfer shock, the phenomenon wherein students transitioning onto a university campus from a community college experience a drop in their grade point average (GPA) in their first semester of transfer. Previous research has focused on student characteristics that are predictive of transfer shock, but few researchers have approached this topic from the perspective of the students themselves. This study seeks to understand how transfer students experience the initial transition onto the four-year university campus and the interactions with managerial professionals, and how those interactions impact the likelihood of students experiencing transfer shock or not. I used the work of Tinto (1975) and Deil-Amen (2011), as well as interviews with 15 transfer students, to theorize that students' procedural interactions are significant for their socio-academic integration. This study demonstrates the process of socio-academic integration and highlights the ways that the institution can support or impede student academic performance and success.
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Todd, Susan Katharine. "Shock assisted ventilation." Thesis, University of Surrey, 1999. http://epubs.surrey.ac.uk/843314/.

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Respiratory distress syndrome is the major cause of mortality in premature babies. Increasing numbers of neonates are now surviving the disease due to advances in techniques used in neonatal intensive care units. Mechanical ventilation is an essential part of the treatment for respiratory distress syndrome and is an area in which improvements and modifications are constantly being made. In the early 1980's a new infant ventilator was introduced involving ventilation by a distal jet. As yet, the mechanisms by which the distal jet ventilator enhances gas exchange are unknown. Original experiments are carried out to record the attenuation and speeds of the pressure wave produced by the distal jet ventilator. The observed changes in wave shape and the high wave speed imply that the ventilator produces waves operating within an acoustic regime. An understanding of the gas exchange mechanisms active in shock assisted ventilation is initiated by a comprehensive investigation of the transport properties of acoustic waves. The advection and diffusion that result from a linear concentration gradient in an acoustic flow are analysed, from the Eulerian and Lagrangian viewpoints. The Eulerian investigation shows that the total flux of tracer through a given pipe can be optimized by choosing the frequency appropriately. The Lagrangian transport is increased as both frequency and radius increase. For all values of parameters, Lagrangian streaming is observed, with a steady net flow in the pipe core away from the tube entrance and an opposing net flow near the tube walls.
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Mirshekari, Gholamreza. "Microscale shock tube." Thèse, Université de Sherbrooke, 2008. http://savoirs.usherbrooke.ca/handle/11143/1897.

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Abstract : This project aims at the simulation, design, fabrication and testing of a microscale shock tube. A step by step procedure has been followed to develop the different components of the microscale shock tube and then combine them together to realize the final device. The document reports on the numerical simulation of flows in a microscale shock tube, the experimental study of gas flow in microchannels, the design, microfabrication, and the test of a microscale shock tube. In the first step, a one-dimensional numerical model for simulation of transport effects at small-scale, appeared in low Reynolds number shock tubes is developed. The conservation equations have been integrated in the lateral directions and threedimensional effects have been introduced as carefully controlled sources of mass, momentum and energy, into the one-dimensional model. The unsteady flow of gas behind the shock wave is reduced to a quasi-steady laminar flow solution, similar to the Blasius solution. The resulting one-dimensional equations are solved numerically and the simulations are performed for previously reported low Reynolds number shock tube experiments. Good agreement between the shock structure simulation and the attenuation due to the boundary layers has been observed. The simulation for predicting the performance of a microscale shock tube shows the large attenuation of shock wave at low pressure ratios. In the next step the steady flow inside microchannels has been experimentally studied. A set of microchannels with different geometries were fabricated. These microchannels have been used to measure the pressure drop as a function of flow rate in a steady compressible flow. The results of the experiments confirm that the flow inside the microscale shock tube follows the laminar model over the experiment's range of Knudsen number. The microscale shock tube is fabricated by deposition and patterning of different thin layers of selected materials on the silicon substrate. The direct sensing piezoelectric sensors were fabricated and integrated with microchannels patterned on the substrate. The channels were then covered with another substrate. This shock tube is 2000 µm long and it has a 2000 µm wide and 17 µm high rectangular cross section equipped with 5 piezoelectric sensors along the tube. The packaged microscale shock tube was installed in an ordinary shock tube and shock waves with different Mach numbers were directed into the channel. A one-dimensional inviscid calculation as well as viscous simulation using the one-dimensional model have also been performed for the above mentioned geometry. The comparison of results with those of the same geometry for an inviscid flow shows the considerable attenuation of shock strength and deceleration of the shock wave for both incident and reflected shock waves in the channel. The comparison of results with numerically generated results with the one-dimensional model presents good agreement for incident shock waves. // Résumé : Ce projet vise à la simulation, la conception, la fabrication et l'essai d'un tube à choc a l'échelle micrométrique. Une procédure étape par étape a été suivie pour développer les différentes composantes du tube à choc à l'échelle micrométrique, puis les assembler pour la réalisation finale du dispositif. Le document rend compte de la simulation numérique, de l'étude expérimentale de l'écoulement du gaz dans les microcanaux, de la conception, de la microfabrication, et de l'essai d'un tube à choc à l'échelle micrométrique. Dans la première étape, un modèle numérique unidimensionnel pour la simulation des effets de transport à des petites échelles dans des tubes à choc à faible nombre de Reynolds, est développé. Les équations de conservation ont été intégrés latéralement et les effets tridimensionnels ont été mis en place avec des sources bien contrôlées de masse, du moment et de l'énergie, dans un modelé à une dimension. L'écoulement non stable du gaz après le choc est réduit à un flux laminaire quasi permanent, solution similaire à la solution de Blasius. Les équations unidimensionnelles résultantes sont résolues numériquement et des simulations sont effectuées pour des expériences précédemment rapportées de tube à choc en faible nombre de Reynolds. II y a une bonne correspondance entre la structure du choc et la simulation. L'atténuation due à la couche limite a été observée. La simulation pour prédire les performances d'un tube à choc à l'échelle micrométrique a montré la grande atténuation de l'onde de choc à faible taux de pression. Dans l'étape suivante, le flux constant à l'intérieur des microcanaux a été étudié expérimentalement. Quelques microcanaux avec différentes géométries ont été fabriqués. Ces microcanaux ont été utilises pour mesurer la chute de pression en fonction du débit dans un écoulement compressible flux stable. Les résultats de l'expérience confirment que l'écoulement à l'intérieur du tube à choc à l'échelle micrométrique suit le modèle laminaire sur un large éventail de nombre de Knudsen. Le tube à choc à l'échelle micrométrique est fabrique par les dépôts et gravure des différentes couches minces de certains matériaux sur un substrat de silicium. Des capteurs piézoélectriques à détection directe sont fabriques et intégrés avec les microcanaux caïques sur le substrat. Les canaux sont ensuite recouverts d'un autre substrat. Le tube à choc est long de 2000 µm et a une section rectangulaire de 2000 µm de large et 17 µm de haut et es téquipé avec 5 capteurs piézoélectriques dans le tube. Le tube à choc à l'échelle micrométrique est installé dans un tube à choc standard afin d'entre exposés à une onde de choc avec différents nombres de Mach. Un calcul unidimensionnel inviscide ainsi que la simulation visqueuse avec le modèle unidimensionnel a aussi été effectué pour cette géometrie. La comparaison des résultats avec ceux obtenus avec la même géométrie avec avec un flux Inviscid montre une large atténuation de la force de choc et une décélération de l'onde de choc pour les deux ondes de choc incidentes et réfléchies dans le canal. La comparaison de résultats avec les résultats générés numériquement par modèle unidimensionnel pressent un bon accord pour onde de choc de l'incident.
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Sen, Srimoyee, and Naoki Yamamoto. "Chiral Shock Waves." AMER PHYSICAL SOC, 2017. http://hdl.handle.net/10150/624056.

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We study the shock waves in relativistic chiral matter. We argue that the conventional Rankine-Hugoinot relations are modified due to the presence of chiral transport phenomena. We show that the entropy discontinuity in a weak shock wave is quadratic in the pressure discontinuity when the effect of chiral transport becomes sufficiently large. We also show that rarefaction shock waves, which do not exist in usual nonchiral fluids, can appear in chiral matter. The direction of shock wave propagation is found to be completely determined by the direction of the vorticity and the chirality of fermions. These features are exemplified by shock propagation in dense neutrino matter in the hydrodynamic regime.
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Mutz, Andrew Howard Vreeland Thad. "Heterogeneous shock energy deposition in shock wave consolidation of metal powders /." Diss., Pasadena, Calif. : California Institute of Technology, 1991. http://resolver.caltech.edu/CaltechETD:etd-06282007-091349.

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Lloyd, Alan. "Performance of reinforced concrete columns under shock tube induced shock wave loading." Thesis, University of Ottawa (Canada), 2010. http://hdl.handle.net/10393/28510.

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Recent events including deliberate attacks and accidental explosions have highlighted the need for greater research in structural response to blast loading. One of the primary research focuses has been on the prevention of progressive collapse of structures. The response of vertical load transferring members, such as columns, is of particular importance to progressive collapse prevention. In order to understand and predict the behaviour of the global structure during and after a blast loading event, a greater understanding of column behaviour must be developed. Currently there is a limited amount of experimental test data available on the response of reinforced concrete columns exposed to blast loads. This thesis presents the results of experimental research involving tests of scaled reinforced concrete columns exposed to shock wave induced impulsive loads using the University of Ottawa Shock Tube. A total of 14 half scale reinforced concrete columns were constructed and tested under blast pressures. The columns were designed according to Canadian Standard Association (CSA) Standard A23.3 for the "Design of Concrete Structures" (2006) standard as first story columns for both seismic and non-seismic regions. Axial load was applied to levels similar to what can be expected in actual structures. The columns were exposed to various pressure-impulse combinations which resulted in a range of column response. Comparisons are made between seismically designed and detailed columns and those that represent non-seismic gravity load columns in terms of displacement under similar shockwave loading. In addition, numerical analyses were conducted using single degree of freedom dynamic analysis. The numerical analysis accounts for the loss of axial load observed with horizontal displacement, strain rate effects on material strengths, the formation of plastic hinges in the column near the supports and at mid-height and the corresponding change in resistance and the response mode shape. The numerical analysis is validated with the experimental results and proven to accurately predict displacement of reinforced concrete columns under shock wave loading. The results indicate that an equivalent single degree of freedom model may be used to determine the response of a column under air blast induced shock loading if proper displacement-resistance models that account for material strength increase factors and change in axial load are used.
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Books on the topic "Shock"

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Oronoz, Javier. Shock! San Sebastián: Baroja, 1989.

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Pascal, Francine. Shock. New York: Simon Pulse, 2003.

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Robin, Cook. Shock. New York: G.P. Putnam's Sons, 2001.

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Robin, Cook. Shock. New York: Berkley Books, 2002.

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Vee, Rice, ed. Shock. Philadelphia, PA: W. B. Saunders, 1990.

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Tye, Larry. Shock. New York: Penguin USA, Inc., 2009.

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Piracha, Kashif. Shock. Cham: Springer Nature Switzerland, 2023. http://dx.doi.org/10.1007/978-3-031-36127-2.

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Robin, Cook. Shock. London: BCA, 2001.

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Robin, Cook. Shock. New York: Putnam's, 2001.

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Robin, Cook. Shock. London: Pan, 2001.

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Book chapters on the topic "Shock"

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Koskinen, Hannu E. J. "Shocks and Shock Acceleration." In Physics of Space Storms, 279–98. Berlin, Heidelberg: Springer Berlin Heidelberg, 2010. http://dx.doi.org/10.1007/978-3-642-00319-6_11.

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Khatta, Abhishek, and Gopalan Jagadeesh. "Shock Tunnel Studies on Shock–Shock Interaction." In 30th International Symposium on Shock Waves 1, 647–51. Cham: Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-46213-4_111.

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Wheeler, Derek S., and Joseph A. Carcillo. "Shock." In Pediatric Critical Care Medicine, 371–400. London: Springer London, 2014. http://dx.doi.org/10.1007/978-1-4471-6362-6_30.

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Takhar, Sneeta, and Myer H. Rosenthal. "Shock." In Surgical Intensive Care Medicine, 71–96. Boston, MA: Springer US, 2001. http://dx.doi.org/10.1007/978-1-4757-6645-5_5.

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Veldhoen, E. S., and J. J. Verhoeven. "Shock." In Compendium kindergeneeskunde, 23–30. Houten: Bohn Stafleu van Loghum, 2018. http://dx.doi.org/10.1007/978-90-368-1792-9_4.

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Pieters, B. B., and G. P. M. Bakker. "Shock." In Verpleegkundig Vademecum, 76–80. Houten: Bohn Stafleu van Loghum, 2008. http://dx.doi.org/10.1007/978-90-313-7326-0_14.

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Costello, Merilee F. "Shock." In Feline Emergency and Critical Care Medicine, 23–29. Ames, Iowa USA: John Wiley & Sons, Inc., 2013. http://dx.doi.org/10.1002/9781118785614.ch3.

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Wilhelm, Michael. "Shock." In Fundamentals of Pediatric Surgery, 59–62. Cham: Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-27443-0_8.

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McCloskey, John J. "Shock." In Fundamentals of Pediatric Surgery, 49–55. New York, NY: Springer New York, 2010. http://dx.doi.org/10.1007/978-1-4419-6643-8_8.

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Brunner, Michael P., and Venugopal Menon. "Shock." In Cardiovascular Hemodynamics, 301–17. Totowa, NJ: Humana Press, 2012. http://dx.doi.org/10.1007/978-1-60761-195-0_15.

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Conference papers on the topic "Shock"

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Nixon, David. "Shock Waves, Vorticity and Vorticity Shocks." In 45th AIAA Aerospace Sciences Meeting and Exhibit. Reston, Virigina: American Institute of Aeronautics and Astronautics, 2007. http://dx.doi.org/10.2514/6.2007-1287.

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Lukose, Rajan M., Eytan Adar, Joshua R. Tyler, and Caesar Sengupta. "SHOCK." In the twelfth international conference. New York, New York, USA: ACM Press, 2003. http://dx.doi.org/10.1145/775152.775194.

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Nem̌ecěk, Zdeněk, Jana Šafránková, Lubomír Přech, Andriy Koval, Jan Merka, M. Maksimovic, K. Issautier, N. Meyer-Vernet, M. Moncuquet, and F. Pantellini. "Propagation of Interplanetary Shocks Across the Bow Shock." In TWELFTH INTERNATIONAL SOLAR WIND CONFERENCE. AIP, 2010. http://dx.doi.org/10.1063/1.3395906.

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Kitamura, K., and E. Shima. "Numerical Survey on Shock Anomalies from Moving Shocks." In Proceedings of the 32nd International Symposium on Shock Waves (ISSW32 2019). Singapore: Research Publishing Services, 2019. http://dx.doi.org/10.3850/978-981-11-2730-4_0253-cd.

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Verma, Shivam, Aqib Khan, Priyanka Hankare, Rakesh Kumar, and Sanjay Kumar. "Shock-shock interactions in granular flows." In Proceedings of the 32nd International Symposium on Shock Waves (ISSW32 2019). Singapore: Research Publishing Services, 2019. http://dx.doi.org/10.3850/978-981-11-2730-4_0344-cd.

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Carl, M., V. Hannemann, and G. Eitelberg. "Shock/shock interaction experiments in the High Enthalpy Shock Tunnel Goettingen." In 36th AIAA Aerospace Sciences Meeting and Exhibit. Reston, Virigina: American Institute of Aeronautics and Astronautics, 1998. http://dx.doi.org/10.2514/6.1998-775.

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Kitamura, Keiichi, Igor Men'shov, and Yoshiaki Nakamura. "Shock/Shock and Shock/Boundary-Layer Interactions in Two-Body Configurations." In 35th AIAA Fluid Dynamics Conference and Exhibit. Reston, Virigina: American Institute of Aeronautics and Astronautics, 2005. http://dx.doi.org/10.2514/6.2005-4893.

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Moss, James. "DSMC computations for regions of shock/shock and shock/boundary layer interaction." In 39th Aerospace Sciences Meeting and Exhibit. Reston, Virigina: American Institute of Aeronautics and Astronautics, 2001. http://dx.doi.org/10.2514/6.2001-1027.

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Erdos, John, Robert Bakos, Anthony Castrogiovanni, R. Rogers, John Erdos, Robert Bakos, Anthony Castrogiovanni, and R. Rogers. "Dual mode shock-expansion/reflected-shock tunnel." In 35th Aerospace Sciences Meeting and Exhibit. Reston, Virigina: American Institute of Aeronautics and Astronautics, 1997. http://dx.doi.org/10.2514/6.1997-560.

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Baird, John P., J. Thomas, and W. S. Joe. "The interaction of oblique shocks in a shock layer in hypersonic flow." In Current topics in shock waves 17th international symposium on shock waves and shock tubes Bethlehem, Pennsylvania (USA). AIP, 1990. http://dx.doi.org/10.1063/1.39514.

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Reports on the topic "Shock"

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Asquith, Brian J., Evan Mast, and Davin Reed. Supply Shock versus Demand Shock. W.E. Upjohn Institute for Employment Research, 2020. http://dx.doi.org/10.17848/pb2020-19.

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Rossi, José Luiz, and João Paulo Madureira Horta da Costa. Shock Dependent Exchange Rate Pass-Through - An Analysis for Latin American Countries. Inter-American Development Bank, September 2023. http://dx.doi.org/10.18235/0005129.

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This paper investigates the exchange rate pass through considering the source of the shocks that hit the economy. With a Bayesian Global VAR model, the exchange rate pass-through is analyzed for 5 Latin American countries: Brazil, Chile, Colombia, Mexico and Peru. The model is estimated with Bayesian techniques and is identified by sign and zero restrictions. The BGVAR estimation enable us to allow spillover between countries mimicking the real conditions when the shocks hit the economies. Four domestic shocks for each Latin American countries are considered: an exchange rate shock, a risk premium shock, a monetary policy shock and a demand shock. The demand shock has the highest exchange rate pass-through for all the countries and the exchange rate shock has the lowest one. Additionally, two regional shocks are considered: a regional monetary policy shock, an event that all the region rises its interest rate and a regional risk premium shock, where the risk premium rises at the same time. For almost of the countries, the exchange rate pass-through coming from those regional shocks are lower than its domestic counterpart shock. Finally, we investigate two global shocks, an uncertainty shock and a global commodities/demand shock. The uncertainty shock decreases the economic activity and depreciates the exchange rate with a negative exchange rate pass-through in the middle term. The commodities/demand shock increases the economic activity and appreciates the exchange rate passthrough, having a negative or neutral exchange rate pass-through over the time.
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Anderson, William Wyatt. Introduction to Shock Waves and Shock Wave Research. Office of Scientific and Technical Information (OSTI), February 2017. http://dx.doi.org/10.2172/1342845.

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Carlsson, Mikael, Julián Messina, and Oskar Nordström Skans. Research Insights: How Do Job and Worker Flows Respond to Firms' Idiosyncratic Technology and Demand Shocks? Inter-American Development Bank, February 2020. http://dx.doi.org/10.18235/0003038.

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Permanent demand shocks are the main driver of labor adjustments. A one standard deviation demand shock increases the net employment rate by 6 percentage points in the long run, while a technology shock increases it by 0.5. Transitory demand shocks have much smaller impacts. When hit by a permanent demand shock, firms adjust fast and symmetrically. Most of the labor change occurs within a year. If the shock is positive, firms adjust by increasing hires. If the shock is negative, they increase separations without reducing hires.
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Keefer, Marlin E., Terrence J. Wilke, Alfred A. Jagaczewski, Paul M. Wells, and Patricia F. Hnat. Chirp Shock Test Machine: A Laboratory-Based Shock Test Tool. Fort Belvoir, VA: Defense Technical Information Center, March 2006. http://dx.doi.org/10.21236/ada452925.

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Watson, Carol. Shock-Responsive Social Protection in the Sahel: Niger, Mauritania, and Senegal. Institute of Development Studies, July 2023. http://dx.doi.org/10.19088/ids.2023.038.

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In the face of shocks that are recurrent, predictable, interrelated, and multi-annual, governments and the international community are increasingly looking to the potential of shock-responsive and adaptive social protection to address multidimensional risk in a sustainable and integrated manner. This is the case in the West African Sahel, where social protection systems are being strengthened and an array of new delivery approaches are underway to coordinate efforts and address shocks related primarily to food security arising out of climate and conflict-related shocks and displacement. Drawing on more detailed assessment of shock-responsive policy and programming in Niger, Mauritania, and Senegal, and informed by current global thinking, this paper identifies key issues, trends, and lessons learnt, and highlights emerging themes for support and engagement.
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Loomis, Eric Nicholas, and Evan S. Dodd. Studying converging shock collisions in novel hybrid-drive shock ignition geometries. Office of Scientific and Technical Information (OSTI), March 2015. http://dx.doi.org/10.2172/1209281.

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Ayres, João, and Gajendran Raveendranathan. Firm Entry and Exit during Recessions. Inter-American Development Bank, June 2021. http://dx.doi.org/10.18235/0003356.

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We analyze shocks to productivity, collateral constraint (credit shock), firm operation, and labor disutility in a model of firm dynamics with entry and exit. Shocks to firm operation and labor disutility capture COVID-19 lockdowns. Compared to the productivity shock, the credit and the lockdown shocks generate larger changes in firm entry and exit. The credit shock accounts for lower entry, higher exit, and concentration of exit among young firms during the Great Recession. The lockdown shocks predict a large fall in entry and rise in exit followed by a sharp rebound. In both recessions, changes in entry and exit account for 10-20 percent of the fall in output and hours. Finally, we discuss how the modeling of potential entrants matters for the quantitative results.
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Blakesley, Paul J. Operational Shock Complexity Theory. Fort Belvoir, VA: Defense Technical Information Center, May 2005. http://dx.doi.org/10.21236/ada437516.

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Sugama T., T. Pyatina, and S. Gill. Thermal Shock-resistant Cement. Office of Scientific and Technical Information (OSTI), February 2012. http://dx.doi.org/10.2172/1091187.

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