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Journal articles on the topic 'Strains and stresses – tables'

Author: Grafiati

Published: 29 July 2024

Last updated: 31 July 2025

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1

Guz’, A. N., S. Yu Babich, and V. B. Rudnitsky. "Contact Problems for Elastic Bodies With Initial Stresses: Focus on Ukrainian Research." Applied Mechanics Reviews 51, no. 5 (1998): 343–71. http://dx.doi.org/10.1115/1.3099009.

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In the present review article general results concerning problems of contact interaction (contact problems) of pre-stressed bodies with rigid, and elastic punches (facings) are presented. The modern classification of investigations on contact problems for bodies with initial stresses is based on two approaches. The first approach is applicable to bodies with a specific type of elastic potential. The second approach is developed in parallel with the first one. It describes investigations on contact problems for pre-stressed bodies with an arbitrary structure of an elastic potential in a general

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2

Kaczmarczyk, Jarosław, and Adam Grajcar. "Numerical Simulation and Experimental Investigation of Cold-Rolled Steel Cutting." Materials 11, no. 7 (2018): 1263. http://dx.doi.org/10.3390/ma11071263.

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The paper presents results of the investigations on numerical computations and experimental verification concerning the influence of selected parameters of the cutting process on the stress state in bundles of cold-rolled steel sheets being cut using a guillotine. The physical model and, corresponding to it, the mathematical model of the analysed steel sheet being cut were elaborated. In this work, the relationship between the cutting depth and the values of reduced Huber–Mises stresses as well as the mechanism of sheet separation were presented. The numerical simulations were conducted by mea

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3

Eryshev, Valeriy A. "Relation between Breaking Stresses in the Strength Calculations of Reinforced Concrete Elements under the Deformation Mode in the Edition of Russian and Foreign Regulatory Documents." Materials Science Forum 974 (December 2019): 653–58. http://dx.doi.org/10.4028/www.scientific.net/msf.974.653.

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Сorrespondence was established between the compressive strength grades of concrete numerically equal to the guaranteed compressive strength of a standard concrete cube and a standard concrete cylinder. Designated concrete resistances are assigned for the limiting states of the first group with a compressive strength grade of concrete. For the corresponding concrete grades, the reduction to unambiguous strains values at the base diagrams points is justified: at the top and at the end of the falling branch of the curvilinear diagrams. In accordance with the regulatory requirements, restrictions

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Banović, Ivan, Jure Radnić, and Nikola Grgić. "Shake Table Study on the Efficiency of Seismic Base Isolation Using Natural Stone Pebbles." Advances in Materials Science and Engineering 2018 (December 20, 2018): 1–20. http://dx.doi.org/10.1155/2018/1012527.

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The results of a shake table study of the efficiency of a seismic base isolation using a layer of natural stone pebbles are presented. Models of stiff and medium-stiff buildings were tested. Case studies were conducted with the foundation of model on the rigid base and on four different layers of pebbles (thin and thick layer with small and large pebbles). Four different horizontal accelerograms were applied, and the characteristic displacements, accelerations, and strains were measured. Strains/stresses of the tested models remained in the elastic area. It was concluded that the effectiveness

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5

Varlamov, Andrew, Vladimir Rimshin, and Sergey Tverskoi. "A method for assessing the stress-strain state of reinforced concrete structures." E3S Web of Conferences 91 (2019): 02046. http://dx.doi.org/10.1051/e3sconf/20199102046.

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The article analyses the modern methods of estimation of stress-strain state of reinforced concrete structures. The result of the analysis is a new method for estimating the stress-strain state of reinforced concrete structures. The method is based on extracting a small sample of concrete from the array. The article describes the method of execution of works, the method of calculating the stresses. Previously, the method was investigated under laboratory conditions. The results are presented in graphs and tables. The research was conducted to assess the stress state of existing concrete struct

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Parfenov, S. G., and V. Ye Moschenkov. "EXPERIMENTAL STUDY OF CREEP AND SHRINKAGE STRAINS IN FINE- AGGREGATE CONCRETES." Proceedings of the Southwest State University 21, no. 4 (2017): 13–20. http://dx.doi.org/10.21869/2223-1560-2017-21-4-13-20.

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The paper studies creep and shrinkage processes running in fine-aggregate concretes with plasto-elastic properties (deformations) under short-time loading are different from those of standard heavy concretes. Experimental studies of creep and shrinkage strains in fine-aggregate concretes that are based on sands with different fineness moduluses permit to compare prestress losses resulting from the creep and shrinkage of concrete. Usually these factors produce an aggregate effect, which makes the study of the processes that run in concrete under long-time influence noticeably complicated. There

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7

Ergün, Mustafa, and Şevket Ateş. "The stress analysis of a shear wall with matrix displacement method using rectangular finite element." Journal of Structural Engineering & Applied Mechanics 4, no. 1 (2021): 18–27. http://dx.doi.org/10.31462/jseam.2021.01018027.

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The aim in this study is to numerically present some characteristic features of the rectangular finite element using the matrix displacement method and to show the utility of this element in plane stress problems compared to the finite element method. The paper consisted of three parts. In the first part, all of the finite element formulation steps from choosing the convenient coordinate system to creating element stiffness matrix are presented respectively. In the second part of the study, a static finite element analysis of the shear wall is also made by ANSYS Mechanical APDL. In the final p

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8

Lekhov, O. S., and A. V. Mikhalev. "Stress-strain state of metal in deformation zone during production of steel section billets on the unit of combined continuous casting and deformation. Report 2." Izvestiya. Ferrous Metallurgy 63, no. 9 (2020): 730–34. http://dx.doi.org/10.17073/0368-0797-2020-9-730-734.

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Stress state of metal in deformation zone during introduction of the separating collars of the grooved die into continuously casted steel slab was calculated for production of section billets on the unit of combined continuous casting and deformation. Calculation of axial, tangential and equivalent stresses arising in deformation zone of metal was made in four sections of deformation zone and its results are presented in specific points and lines. View of the section of deformation zone and location of specific points are provided. The stress state of metal in zone of cyclic deformation at for

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9

Müller, Simon, and Sabine M. Weygand. "Numerical Investigations of Internal and Residual Stresses in Aluminium-Polymer Laminate Foils during Stretch Forming." Key Engineering Materials 742 (July 2017): 697–704. http://dx.doi.org/10.4028/www.scientific.net/kem.742.697.

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Aluminium-polymer laminate foils consisting of the layers PA, Al and PVC are used to manufacture high barrier pharmaceutical packages. These so called cold-formed blister packs are formed by stretch forming at room temperature. As due to the complex material structure the forming process is not yet well understood, the developers of cold-formed blister packaging machines design the punches for forming the cavities bigger than needed for the tablets being packed. Therefore, the aim of this work is to gain insight into the mechanical behavior of the composite during stretch forming. For this, in

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10

Zaripov, R. M., and R. B. Masalimov. "Stress-strain state of an underwater offshore oil pipeline taking into account changes in ground conditions and operating parameters." Multiphase Systems 18, no. 1 (2023): 17–26. http://dx.doi.org/10.21662/mfs2023.1.003.

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The article briefly describes the construction of concreted pipes used in recent years in the construction of offshore gas and oil pipelines. In the formulation of the problem of the stress-strain state of an underwater offshore oil pipeline, the calculated section is conditionally divided into three parts: the middle blurred bare part and the underground parts adjacent to it on the left and right. A brief description of the solution of the problem is given. The results of calculations of the main characteristics of the stress-strain state of the underwater section of the offshore oil pipeline

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11

Sawicki, Andrzej, Marek Kulczykowski, and Robert Jankowski. "Estimation of Stresses in a Dry Sand Layer Tested on Shaking Table." Archives of Hydro-Engineering and Environmental Mechanics 59, no. 3-4 (2012): 101–12. http://dx.doi.org/10.2478/heem-2013-0002.

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Abstract Theoretical analysis of shaking table experiments, simulating earthquake response of a dry sand layer, is presented. The aim of such experiments is to study seismic-induced compaction of soil and resulting settlements. In order to determine the soil compaction, the cyclic stresses and strains should be calculated first. These stresses are caused by the cyclic horizontal acceleration at the base of soil layer, so it is important to determine the stress field as function of the base acceleration. It is particularly important for a proper interpretation of shaking table tests, where the

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12

Daniels, Calvin C., P. David Rogers, and Chasity M. Shelton. "A Review of Pneumococcal Vaccines: Current Polysaccharide Vaccine Recommendations and Future Protein Antigens." Journal of Pediatric Pharmacology and Therapeutics 21, no. 1 (2016): 27–35. http://dx.doi.org/10.5863/1551-6776-21.1.27.

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This review describes development of currently available pneumococcal vaccines, provides summary tables of current pneumococcal vaccine recommendations in children and adults, and describes new potential vaccine antigens in the pipeline. Streptococcus pneumoniae, the bacteria responsible for pneumonia, otitis media, meningitis and bacteremia, remains a cause of morbidity and mortality in both children and adults. Introductions of unconjugated and conjugated pneumococcal polysaccharide vaccines have each reduced the rate of pneumococcal infections caused by the organism S. pneumoniae. The first

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13

Abdelali, Hanane Moulay, Mounia El Kadiri, and Rhali Benamar. "A Semi-Analytical Approach for the Geometrically Nonlinear Analysis of Skew Plates." Applied Mechanics and Materials 704 (December 2014): 118–30. http://dx.doi.org/10.4028/www.scientific.net/amm.704.118.

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The present work concerns the nonlinear dynamic behaviour of fully clamped skew plates at large vibration amplitudes. A model based on Hamilton’s principle and spectral analysis has been used to study the large amplitude free vibration problem, reducing the non linear problem to solution of a set of non-linear algebraic equations. Two methods of solution have been adopted, the first method uses an improved version of the Newton-Raphson method, and the second leads to explicit analytical expressions for the higher mode contribution coefficients to the first non-linear mode shape of the skew pla

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14

Lekhov, O. S., and A. V. Mikhalev. "Stress-strain state of metal in deformation zone during production of steel section billets on the unit of combined continuous casting and deformation. Report 1." Izvestiya. Ferrous Metallurgy 63, no. 7 (2020): 548–53. http://dx.doi.org/10.17073/0368-0797-2020-7-548-553.

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Volumetric problem of determining stress-strain state of metal in deformation zone during forming of three section billets from the slab by separating collars of grooved strikers on the unit of combined continuous casting and deformation was set and solved. The expediency of using such unit was justified for longitudinal division mation are given for St3sp steel. The solid-state finite elements used in calculation of stress-strain state of metal in deformation zone and dimensions of the grid are described. The results of calculation of stress-strain state of metal in deformation zone were obta

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15

Bouacha, Nadjet, and Mouloud Belachia. "Elaboration of an Expert System for Sizing, Designing and Verifying Flexible Pavements." Civil and Environmental Engineering Reports 30, no. 3 (2020): 94–121. http://dx.doi.org/10.2478/ceer-2020-0035.

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Abstract The use of expert systems in the world of civil engineering, and in particular for roads, has become a necessity for the reason of the particularity, complexity, and diversity of the influencing parameters at the level of the design calculation, the latter of which represents the major source of subsequent degradation. This system consists of proposing a tool for helping the user firstly to size the body of the roadway, with several analytical methods and models (Pre-project, Boussinesq, Westgaard, and Burmister), and secondly, to offer different design possibilities (thickness and ty

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16

Stetukha, V., and I. Zheleznyak. "Methodology for Calculating the Stability of the Polymer Operating String in Permafrost." Journal of Mining Institute 241 (February 25, 2020): 22. http://dx.doi.org/10.31897/pmi.2020.1.22.

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The goal of this paper is to develop a methodology for calculating the stability of an annular cross-section string casing made of polymer material used for the development of mineral deposits by underground leaching in permafrost formations. The aim was to determine the geometric parameters of the casing and to ensure its operational reliability.The relevance of the research is associated with the peculiarities of external influences on the string, for example, a geotechnological well operating in permafrost formation under conditions of additional exposure to ice pressure during freezing of

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17

S., V. Borshchevskiy, D. Petrenko V., L. Tiutkin O., Yu. Kulazhenko Ye., and M. Kulazhenko O. "SCIENTIFIC EVIDENCE FOR WALLS FASTENING TECHNOLOGIES OF WORKING TRENCH BY THE SPECIAL METHOD "SLURRY WALL" FOR SHALLOW SUBWAYS' STATIONS." Science and Transport Progress, no. 6(54) (December 15, 2014): 154–63. https://doi.org/10.15802/stp2014/33740.

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<strong>Purpose. </strong>It’s necessary to carry out justification of fastening technology and the choice of the optimal variant, creating dependency diagrams of moving for idealized cases by means of automated methods of calculations. <strong>Methodology. </strong>To achieve this goal, the finite element solid models, which reflect the design of the working trench for the shallow subways’ stations, with four ways to fix the “slurry wall”, as well as a calculation and analysis of the stress-strain state of structures and fixtures calculated using the com

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18

Miner, Valerie, and Carol Anshaw. "Stresses and Strains." Women's Review of Books 19, no. 9 (2002): 14. http://dx.doi.org/10.2307/4023935.

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19

Ghasemi Nejhad, Mehrdad N., Chiling Pan, and Hongwei Feng. "Intrinsic Strain Modeling and Residual Stress Analysis for Thin-Film Processing of Layered Structures." Journal of Electronic Packaging 125, no. 1 (2003): 4–17. http://dx.doi.org/10.1115/1.1512295.

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Residual stresses develop due to intrinsic and extrinsic strains that form during the processing. Extrinsic strains can be determined using coefficient of thermal expansion, material properties, and processing conditions. An “Equivalent Reference Temperature (ERT)” technique is described and used to model and evaluate the intrinsic strains. piezoelectric microelectromechanical systems (P-MEMS) are considered in this work. Laminate theory with three-dimensional state of stress and strain is used to evaluate residual stresses using the ERT model. In finite element analysis (FEA), the residual st

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20

Yao, Ye, and Wai-Meng Quach. "Numerical Study on Residual Stresses and Plastic Strains in Cold-Formed High-Strength Steel Circular Hollow Sections." Materials 16, no. 18 (2023): 6337. http://dx.doi.org/10.3390/ma16186337.

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This paper presents a numerical investigation on the residual stresses and co-existent equivalent plastic strains in cold-formed high-strength steel (CFHSS) circular hollow sections (CHS) by using an advanced finite element (FE)-based method. In this method, the entire manufacturing process of the CFHSS CHS was modeled numerically. The accuracy of the numerical predictions of equivalent plastic strains and residual stresses in the CFHSS CHS was verified by comparing the predictions with the existing test results of both the residual stress measurement and load-end shortening response of the st

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21

D. D’Lima, Darryl, Peter C. Chen, and Clifford W. Colwell Jr. "Osteochondral Grafting: Effect of Graft Alignment, Material Properties, and Articular Geometry." Open Orthopaedics Journal 3, no. 1 (2009): 61–68. http://dx.doi.org/10.2174/1874325000903010061.

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Osteochondral grafting for cartilage lesions is an attractive surgical procedure; however, the clinical results have not always been successful. Surgical recommendations differ with respect to donor site and graft placement technique. No clear biomechanical analysis of these surgical options has been reported. We hypothesized that differences in graft placement, graft biomechanical properties, and graft topography affect cartilage stresses and strains. A finite element model of articular cartilage and meniscus in a normal knee was constructed. The model was used to analyze the magnitude and th

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22

Greenhalf, Jim. "Stresses and strains in city hall." Local Government Studies 11, no. 2 (1985): 1–7. http://dx.doi.org/10.1080/03003938508433189.

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23

Nowacki, Jerzy, and Michał Kawiak. "Stresses and strains in soldered joints." Welding International 27, no. 1 (2013): 42–47. http://dx.doi.org/10.1080/09507116.2011.600025.

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24

Comba, Peter. "Strains and stresses in coordination compounds." Coordination Chemistry Reviews 182, no. 1 (1999): 343–71. http://dx.doi.org/10.1016/s0010-8545(98)00199-4.

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25

Nichols, T. Richard. "The Stresses and Strains of Tensegrity." Journal of Motor Behavior 46, no. 3 (2014): 197–98. http://dx.doi.org/10.1080/00222895.2014.880308.

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26

Nicholson, D. W. "On stresses conjugate to Eulerian strains." Acta Mechanica 165, no. 1-2 (2003): 87–98. http://dx.doi.org/10.1007/s00707-003-0037-2.

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27

Ezendiokwere, Nnamdi E., Victor J. Aimikhe, Adewale Dosunmu, and Ogbonna F. Joel. "Influence of depth on induced geo-mechanical, chemical, and thermal poromechanical effects." Journal of Petroleum Exploration and Production Technology 11, no. 7 (2021): 2917–30. http://dx.doi.org/10.1007/s13202-021-01174-6.

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AbstractDelivering efficient and cost-effective drilled and excavated holes require effective prediction of instability along the hole profile. Most drilled and excavated hole stability analyses in the literature are performed for a given zone without considering the influence of depth. This study focused on determining the influence of depth on induced geo-mechanical, chemical, and thermal stresses and strains in drilled or excavated holes. To this end, a new porochemothermoelastic model was developed based on extended poroelastic theory, and the developed model was employed in determining in

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28

Hyde, T. H., R. Sabesan, and S. B. Leen. "Approximate Prediction Methods For Multiaxial Notch Stresses and Strains Under Elastic-Plastic and Creep Conditions." Journal of Strain Analysis for Engineering Design 40, no. 6 (2005): 535–48. http://dx.doi.org/10.1243/030932405x16016.

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This paper describes general techniques for predicting multiaxial notch stresses and strains under elastic-plastic and creep conditions. The Neuber method, which is often used in elastic-plastic analysis, has been adapted and extended for predicting creep equivalent notch stresses and strains, based on a time-stepping integration scheme. A linear interpolation method, often used in creep analysis, is adapted and extended for predicting elastic-plastic equivalent stresses and strains. Then notch principal stresses and strains are obtained by applying plasticity theory in combination with assump

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Xing, Yufeng, Lingyu Meng, Zhiwei Huang, and Yahe Gao. "A Novel Efficient Prediction Method for Microscopic Stresses of Periodic Beam-like Structures." Aerospace 9, no. 10 (2022): 553. http://dx.doi.org/10.3390/aerospace9100553.

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This paper presents a novel superposition method for effectively predicting the microscopic stresses of heterogeneous periodic beam-like structures. The efficiency is attributed to using the microscopic stresses of the unit cell problem under six generalized strain states to construct the structural microscopic stresses. The six generalized strain states include one unit tension strain, two unit bending strains, one unit torsion strain, and two linear curvature strains of a Timoshenko beam. The six microscopic stress solutions of the unit cell problem under these six strain states have previou

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PAVLOVA, I. P., and I. V. BELKINA. "PARAMETRIC RESEARCH OF RESTRAINED STRAINS AND STRESSES OF SELF-STRESSED FIBER-REINFORCED CONCRETE AT THE STAGE OF EXPANSION." Building and reconstruction 108, no. 4 (2023): 81–92. http://dx.doi.org/10.33979/2073-7416-2023-108-4-81-92.

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One of the main advantages of self-stressed concrete is its ability to compensate for one of the main disadvantages inherent in mineral binders – shrinkage strains. However, approaches to predicting the properties of self-stressed concrete are not universal, since they are based mainly on phenomenological approaches and empirical dependencies. The main approaches to predicting strains and stresses arising in expansive concrete are energy- and deformation approaches. A number of researchers confirm the effectiveness of applying the deformation approach to determine intrinsic strains and stresse

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BONIFAZ, E. A., and N. L. RICHARDS. "STRESS–STRAIN EVOLUTION IN CAST IN-738 SUPERALLOY SINGLE FUSION WELDS." International Journal of Applied Mechanics 02, no. 04 (2010): 807–26. http://dx.doi.org/10.1142/s1758825110000767.

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A three-dimensional finite element elastic–plastic model was developed to study localized plastic strains and residual stresses that exist in a body that has previously been subjected to nonuniform temperature changes. The mechanical model was used to compute the evolution of plastic strains and residual stresses of welded material. The thermal gradient histories calculated during the GTA welding of cast IN-738LC alloys were imposed as load conditions on structural calculations. It can be clearly seen that at constant heat input, the level of plastic strains and the level of residual (Mises) s

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32

CHAUDHRY, H. R., B. BUKIET, T. FINDLEY, and A. B. RITTER. "STRESSES AND STRAINS IN THE PASSIVE LEFT VENTRICLE." Journal of Biological Systems 04, no. 04 (1996): 535–54. http://dx.doi.org/10.1142/s021833909600034x.

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In this paper, we estimate the stresses and strains from the equatorial region down to the apex of the heart by modeling the passive left ventricle as a frustrum of a thick hollow cone. Large deformation theory has been employed in this analysis. Furthermore, the effects of residual stresses and the anisotropy due to muscle fiber orientation have been included. It is observed that circumferential stress, which is the most important physiologically, decreases considerably at the endocardium and is more evenly distributed through the wall when residual stresses are taken into account. The stress

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Chang, Chia Lung, Yan Huo Kao, You Lung Jao, and Chih Laing Chang. "Residual Stress Measurements of Cylindrical Parts by Hole Drilling Strain Gage Method." Applied Mechanics and Materials 311 (February 2013): 462–66. http://dx.doi.org/10.4028/www.scientific.net/amm.311.462.

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Hole drilling strain gage method is a semi-destructive measurement. The method is most commonly used to measure residual stresses. The relieved strains are measured around the drilled hole, and the residual stresses are estimated by the mechanical relationship between relieved strains and residual stresses as well calibration coefficients. The calibration coefficients indicate the relieved strains due to unit stresses within the hole depth. Finite element method is always used to determine the calibration coefficients, and the analytical model is based on the infinite plate. But the geometrica

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Safari, Maedeh, Shahrokh Shojaei, Pedram Tehrani, and Alireza Karimi. "A patient-specific finite element analysis of the anterior cruciate ligament under different flexion angles." Journal of Back and Musculoskeletal Rehabilitation 33, no. 5 (2020): 811–15. http://dx.doi.org/10.3233/bmr-191505.

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BACKGROUND: The main responsibility of the anterior cruciate ligament (ACL) is to restore normal knee kinematics and kinetics. Although so far different research has been carried out to measure or quantify the stresses and strains in the ACL experimentally or numerically, there is still a paucity of knowledge in this regard under different flexion angles of the tibiofemoral knee joint. OBJECTIVE: Understanding the stresses and strains within the ACL under various loading and boundary conditions may have a key asset for the development of an optimal surgical treatment of ACL injury that can bet

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Zhang, Min, and Xitian Tian. "Residual stresses and strains analysis in press-braking bending parts considering multi-step forming effect." Proceedings of the Institution of Mechanical Engineers, Part B: Journal of Engineering Manufacture 234, no. 4 (2019): 788–800. http://dx.doi.org/10.1177/0954405419883053.

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Press-braking bending is a multi-step bending process and widely applied in the aerospace industry. Residual stresses and strains generated during the forming process play an important role in determining its forming parameters and bending path. This work aims to analyze the residual stresses and strains in press-braking bending parts using both the theoretical method and numerical method. First, the analytical model of residual stress and strain is established based on the elastic–plastic bending theory. Second, a fully finite element model of press-braking bending has been developed, and a p

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36

Al Ali, Mohamad, Michal Tomko, and Ivo Demjan. "Development of Plastic Zones during the Thermal Cycle of Welding." Key Engineering Materials 586 (September 2013): 11–14. http://dx.doi.org/10.4028/www.scientific.net/kem.586.11.

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The high temperatures induced during the welding process cause transient thermal stresses and non-continuous plastic strains around the weld. Uneven heating and cooling processes together with these plastic strains result in residual (welding) stresses, [1]. This paper deals with the development of plastic zones, related to welding stresses and their effects on the bearing capacity from a Civil-engineering perspective.

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Johnson, A. R., T. Chen, and J. L. Mead. "Modeling Step—Strain Relaxation and Cyclic Deformations of Elastomers." Rubber Chemistry and Technology 75, no. 2 (2002): 333–45. http://dx.doi.org/10.5254/1.3544982.

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Abstract Data for step—strain relaxation and cyclic compressive deformations of highly viscous short elastomer cylinders are modeled using a large strain rubber viscoelastic constitutive theory with a rate—independent friction stress term added. In the tests, both small and large amplitude cyclic compressive strains, in the range of 1% to 10%, were superimposed on steady state compressed strains, in the range of 5% to 20%, for frequencies of 1 and 10 Hz. The elastomer cylinders were conditioned prior to each test to soften them. The constants in the viscoelastic—friction constitutive theory ar

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38

Kuo-Huang, Ling-Long, Yan-San Huang, Shin-Shin Chen, and Yi-Ru Huang. "GROWTH STRESSES AND RELATED ANATOMICAL CHARACTERISTICS IN COCONUT PALM TREES." IAWA Journal 25, no. 3 (2004): 297–310. http://dx.doi.org/10.1163/22941932-90000367.

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The surface growth strains and the distribution of internal stresses in woody palms, coconut (Cocos nucifera L.), were determined by measuring the strains released by the kerf method using strain gauges. Measurements of the surface strains showed that longitudinal tensile stresses existed at the cortex, while longitudinal compressive stresses existed at the periphery of the central cylinder. These stresses may be generated from the fibers located in the scattered fiber and vascular bundles. In the central cylinder of narrow and wide trunks, both positive and negative stresses were observed, in

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39

Lu, Yue Qing, and D. J. Laurie Kennedy. "Correction of residual strain for coupons that curve on sectioning." Canadian Journal of Civil Engineering 20, no. 4 (1993): 712–14. http://dx.doi.org/10.1139/l93-088.

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When coupons are cut from cross sections to determine the relaxation of residual strains by the method of sectioning, they frequently curve due to variations in the longitudinal residual stresses through the thickness. Relaxation strains measured on the chord will be in error. A method is presented to correct the errors using gauge holes drilled through the specimen to allow strains to be determined on both sides. Key words: correction, coupons, curve, residual, sectioning, strains, stresses.

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Li, Hong, and Hui Long Ren. "Welding Behavior Analysis of Stiffened Stainless Steel Structure." Key Engineering Materials 385-387 (July 2008): 413–16. http://dx.doi.org/10.4028/www.scientific.net/kem.385-387.413.

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Welding residual plastic strains and residual stresses are the product of complicated nonlinear behaviors of the structures during welding. The residual strains and stresses for stiffened stainless steel structure and welding fatigue analysis are studied in this paper. The three-dimensional transient temperature field is analyzed by FEM first. Doing the welding experiment for fundamental model is to verify the numerical results, the infrared thermograph is used to follow and record the whole process. The results of FEM are supported by experimental data. Then, the elastic-plastic-model is esta

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Shoykhet, B., M. A. Grinfeld, and P. M. Hazzledine. "Internal stresses and strains in coherent multilayers." Acta Materialia 46, no. 11 (1998): 3761–66. http://dx.doi.org/10.1016/s1359-6454(97)00244-9.

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Laforte, Caroline, and Jean-Louis Laforte. "Deicing Strains and Stresses of Iced Substrates." Journal of Adhesion Science and Technology 26, no. 4-5 (2012): 603–20. http://dx.doi.org/10.1163/016942411x574790.

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Chen, Youping, James Lee, and Liming Xiong. "Stresses and strains at nano/micro scales." Journal of Mechanics of Materials and Structures 1, no. 4 (2006): 705–23. http://dx.doi.org/10.2140/jomms.2006.1.705.

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Korsunsky, A. M. "Eigenstrain analysis of residual strains and stresses." Journal of Strain Analysis for Engineering Design 44, no. 1 (2008): 29–43. http://dx.doi.org/10.1243/03093247jsa423.

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Kaempf, Bernd. "Stresses and strains in two-phase materials." Computational Materials Science 5, no. 1-3 (1996): 151–56. http://dx.doi.org/10.1016/0927-0256(95)00066-6.

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VOGLER, FALKO, and PETER GROCHE. "CRITERIA FOR TOOL DESIGN IN HYDROFORMING." Journal of Advanced Manufacturing Systems 07, no. 01 (2008): 171–74. http://dx.doi.org/10.1142/s0219686708001309.

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Closing forces and internal pressure lead to stresses and strains in hydroforming dies. The deflection of the die influences the accuracy of the hydroformed products. The influence of the die geometry on stresses and strains in the die is being examined fundamentally. Additionally, the location of the closing force transmission is discovered to be crucial. The objectives of this research were to determine the demands on the hydroforming die and to reduce failure-critical stresses.

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Bobarikin, Yu L., and Yu V. Martyanov. "Research of the influence of highcarbon steel wire drawing speed on stresses and deformations on wire cross section." Litiyo i Metallurgiya (FOUNDRY PRODUCTION AND METALLURGY), no. 1 (April 10, 2019): 73–77. http://dx.doi.org/10.21122/1683-6065-2019-1-73-77.

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The parameters of wire production affecting the distribution of residual stresses and strains on the wire cross section are considered. It is determined that the modes of coarse drawing can affect the complex of mechanical properties of thin wire due to the uneven distribution of equivalent stresses and strains. The rough drawing speed is chosen as the investigated parameter.The effect of the coarse drawing rate of high-carbon steel wire on the distribution of equivalent residual stresses and strains over the wire cross section is studied by numerical simulation of wire drawing at different sp

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Ogawa, Masaru. "Proposal of an Eigen-Strain Estimation for Determination of Residual Stresses Considering the Influence of Machining." Advanced Materials Research 891-892 (March 2014): 1225–30. http://dx.doi.org/10.4028/www.scientific.net/amr.891-892.1225.

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In order to assure structural integrity for mechanical structures, it is indispensable to estimate three-dimensional residual stresses quantitatively to asses a crack growth rate of an observed crack. Now, the neutron diffraction method and the DHD (Deep Hole Drilling) method have been proposed to evaluate stress gradient in the thickness direction. However, estimated stresses by these methods can not be input to the FEM (Finite Element Method) model that has been widely used at design time for the assessment of the structural integrity. Then, the eigen-strain method has been proposed. In this

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Gu, Randy J., and Yung-Li Lee. "A New Method for Estimating Nonproportional Notch-Root Stresses and Strains." Journal of Engineering Materials and Technology 119, no. 1 (1997): 40–45. http://dx.doi.org/10.1115/1.2805971.

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This paper presents a generalized two-step endochronic approach for estimating notch stresses and strains based on elastic stress solutions. In the first stress-controlled step, notch root strains are calculated from elastic stresses using a conventional uniaxial method, such as Glinka’s energy density method and Neuber’s rule. In the second strain-controlled step notch root stresses corresponding to the estimated local strains are calculated from the given material properties. Both stress-controlled and strain-controlled algorithms based on endochronic plasticity theory are presented herein.

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Gurevich, L. M., V. F. Danenko, A. A. Istrati, and V. A. Sonnova. "MODELING THE WORK OF THE HEAD OF A HYDROMECHANICAL EXPANDER FOR WELDED PIPES OF A LARGE DIAMETER." IZVESTIA VOLGOGRAD STATE TECHNICAL UNIVERSITY, no. 4(239) (April 22, 2020): 35–42. http://dx.doi.org/10.35211/1990-5297-2020-4-239-35-42.

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Finite element simulates of changing stresses and strains under loading by gradually increasing internal pressure of cylindrical welded vessels was carried out. The vessels had an annular mechanically inhomogeneous welded joint with different mechanical properties of the joint, heat-affected zone, and base metal. Maximum stresses developed in the caps of the vessels, and the annular joint are lightly loaded. The distribution of stresses and strains in joint at various design parameters of the vessels is investigated.

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