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Journal articles on the topic 'ABAQUS 6.10'

Author: Grafiati

Published: 11 September 2023

Last updated: 31 July 2025

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1

Sun, Xu Jie, Hou Zhang, Da Gang Lu, and Feng Lai Wang. "Study on Reinforced Concrete Masonry High-Rise Building by Abaqus." Applied Mechanics and Materials 204-208 (October 2012): 1135–40. http://dx.doi.org/10.4028/www.scientific.net/amm.204-208.1135.

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Pseudo static tests of 10 specimen made of 290 mm thick reinforced concrete masonry wall were finished, then test results were simulated by ABAQUS which use shell element, pamameters of the materials were defined by the comparison between the calculation results and that of the test. A 100 m high reinforced concrete masonry building in China was analyzed, elastic-plastic deformation check calculation under earthquake action by time-history analysis method were detailed. The story drift of the building is 1/666 for fortification intensity 6 and 1/326 for intensity 7 under strong earthquake, it

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2

Wakjira, Melesse Workneh, and Perumalla Janaki Ramulu. "Analysis of turning chip morphology with various tool geometries using finite element modeling and simulation to optimize product sustainability." Advances in Mechanical Engineering 14, no. 11 (2022): 168781322211364. http://dx.doi.org/10.1177/16878132221136421.

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This paper focuses on finite element (FE) modeling using a Lagrangian approach with the ABAQUS/Explicit code to simulate the morphology of CSN 12050 carbon steel chips obtained using different tool rake and flank angles. The cutting operation was performed with a 3D model setup based on the cutting tool to determine the impact of the tool rake and flank angles on the total energy ( ETOTAL), the von Mises stresses, and the cutting force. In these simulations, using adaptive meshing for the tool, 0°, 5° and 10° rake angles, 0° and 6° flank angles, and 0.2-mm and 0.5-mm cut depths were considered

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3

Goudarz, Abkar, and Ashtar Lorki Amir. "Evaluation of Progressive Collapse in Steel Structures Designed Based on Iranian Code of Practice for Seismic Resistant Design Buildings (Standard No. 2800), 4th Edition and Iranian National Building Code 'INBC', Part 10." Journal of Civil Engineering and Materials Application 2, no. 4 (2018): 192–200. https://doi.org/10.22034/JCEMA.2018.92000.

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In this study, the progressive collapse is examined in steel structures with 4-, 8- and 10-story dual systems of moment resistant and braced frames. Probable risks and unusual loads can lead to progressive collapse in structures, e.g. design or construction errors, fires, gas explosions, accidental overloading, car accidents, bomb explosions, etc. Given the action of these forces over a relatively short period, the dynamic analysis of these incidents appears necessary. In this study, the effect of mentioned incidents is considered through the sudden loss of a member. The studied buildings are

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4

Riyadh Mohammed Ali Hayder, Mohammed, Ahmad Fahimifar, and Hazim Al Khafaji. "Effect of Loading Speed on Direct and Indirect Tensile Strength of Rock and Concrete." International Journal of Engineering & Technology 7, no. 4.20 (2018): 214. http://dx.doi.org/10.14419/ijet.v7i4.20.25929.

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The trial work and numerical demonstrating were considered to examine the impacts of strain rate in the rigidity of rocks and cement in the research facility. Three trial of the exploratory work were considered, guide pressure test to get immediate elastic outcomes, Brazilian split test, and three-point flexural stacking test, to get roundabout ductile outcomes. While the numerical displaying utilizing limited component programming ABAQUS, to examined numerically the examples of 48 research facility tests. Immediate and roundabout rigidity tests, arranged two kinds of totals (0-6) mm and (0-12

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Souri, Ahmad, Murad Abu-Farsakh, and George Voyiadjis. "Study of static lateral behavior of battered pile group foundation at I-10 Twin Span Bridge using three-dimensional finite element modeling." Canadian Geotechnical Journal 53, no. 6 (2016): 962–73. http://dx.doi.org/10.1139/cgj-2015-0345.

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In this study, the static lateral behavior of a battered pile group foundation was investigated using three-dimensional finite element (FE) analysis. The FE model was used to simulate the static lateral load test that was performed during the construction of the I-10 Twin Span Bridge over Lake Pontchartrain, La., in which two adjacent bridge piers were pulled against each other. The pier of interest was supported by 24, 1:6 batter, 34 m long piles in a 6 × 4 row configuration. The FE model of the battered pile group was developed in Abaqus and verified using the results from the field test. Th

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Karkush, Mahdi O., Amer G. Jihad, Karrar A. Jawad, Mustafa S. Ali, and Bilal J. Noman. "Seismic Analysis of Floating Stone Columns in Soft Clayey Soil." E3S Web of Conferences 318 (2021): 01008. http://dx.doi.org/10.1051/e3sconf/202131801008.

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The response of floating stone columns of different lengths to diameter ratio (L/D = 0, 2, 4, 6, 8, and 10) ratios exposed to earthquake excitations is well modeled in this paper. Such stone column behavior is essential in the case of lateral displacement under an earthquake through the soft clay soil. ABAQUS software was used to simulate the behavior of stone columns in soft clayey soil using an axisymmetric finite element model. The behavior of stone column material has been modeled with a Drucker-Prager model. The soft soil material was modeled by the Mohr-Coulomb failure criterion assuming

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7

Shakir, Hadeel M., Adel A. Al-Azzawi, and Ahmed Farhan Al-Tameemi. "Nonlinear Finite Element Analysis of Fiber Reinforced Concrete Pavement under Dynamic Loading." Journal of Engineering 28, no. 2 (2022): 81–98. http://dx.doi.org/10.31026/j.eng.2022.02.06.

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The analysis of rigid pavements is a complex mission for many reasons. First, the loading conditions include the repetition of parts of the applied loads (cyclic loads), which produce fatigue in the pavement materials. Additionally, the climatic conditions reveal an important role in the performance of the pavement since the expansion or contraction induced by temperature differences may significantly change the supporting conditions of the pavement. There is an extra difficulty because the pavement structure is made of completely different materials, such as concrete, steel, and soil, with pr

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Kozłowski, Marcin, Kinga Zemła, and Magda Kosmal. "Exploratory Finite Element Analysis of Monolithic Toughened Glass Panes Subjected to Hard-Body Impact." IOP Conference Series: Materials Science and Engineering 1203, no. 2 (2021): 022145. http://dx.doi.org/10.1088/1757-899x/1203/2/022145.

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Abstract The paper reports the results of an extensive experimental campaign, in which simply supported toughened glass samples with dimensions of 500 × 360 mm2 and three thicknesses (6, 8 and 10 mm) were subjected to hard-body impact. A steel ball (4.11 kg) was released from different drop heights, starting from 10 cm above the sample and increasing by 10 cm in each step until glass breakage occurred. In this way, for all samples a critical drop height (causing fracture of glass) was determined. Experiments were carried out for 35 samples for each thickness; thus 105 samples were tested in to

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Varma, Surya J., and Jane H. Henderson. "Study on the Bond Strength of Steel-Concrete Composite Rectangular Fluted Sections." Advances in Civil Engineering 2020 (December 15, 2020): 1–15. http://dx.doi.org/10.1155/2020/8844799.

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Concrete-filled steel tube (CFST) sections are structural members that effectively use the best properties of steel and concrete. Steel tube at the outer perimeter effectively resists tension and bending moments and also increases the stiffness of the section as steel has a high modulus of elasticity. The infilled concrete delays the local buckling of the thin outer steel tube. The interface bond strength plays a major role in the composite action of CFST sections. Provision of rectangular flutes on steel tube on CFST sections will improve the bond failure load and thereby the performance of C

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10

Flores-García, Santiago, Carlos E. Martínez-Pérez, Carlos Rubio-González, J. Antonio Banderas-Hernández, Christian Félix-Martínez, and Salomón M. A. Jiménez. "Fatigue Life and Residual Stress of Flat Stainless Steel Specimens Laser-Cladded with a Cobalt-Based Alloy and Postprocessed with Laser Shock Peening." Journal of Manufacturing and Materials Processing 8, no. 2 (2024): 45. http://dx.doi.org/10.3390/jmmp8020045.

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Laser cladding (LC) is a versatile additive manufacturing process where strands of metallic material are deposited and melted by a laser. However, there are some limitations associated with this process that may affect the performance of the final manufactured parts. In the present work, the influence of laser shock peening (LSP) on the fatigue life of 304 stainless steel flat specimens with a cobalt-based alloy (Stellite 6) coating applied by LC was investigated. The analysis was carried out both experimentally and numerically. In the LSP simulation, the ABAQUS/Explicit code was used to deter

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11

Liu, Jianjun, and Qiang Xiao. "The Influence of Operation Pressure on the Long-Term Stability of Salt-Cavern Gas Storage." Advances in Mechanical Engineering 6 (January 1, 2014): 537679. http://dx.doi.org/10.1155/2014/537679.

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The operation pressure of underground salt-cavern gas storage directly affects its stability. Because of seasonal demand and other emergency reasons, the gas storage working pressures always change from high to low or from low to high cyclic variation. In order to analyze the effect of gas storage pressure changing on its long-term stability, considering the salt rock creep, a 3D finite element model was built using the software Abaqus. Moreover, the deformation and analyzed results of the storage under 0 MPa, 4 MPa, 6 MPa, 8 MPa, 10 MPa, and 12 MPa and also circulating changes pressure operat

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Alasadi, Shatha, Zainah Ibrahim, Payam Shafigh, Ahad Javanmardi, and Karim Nouri. "An Experimental and Numerical Study on the Flexural Performance of Over-Reinforced Concrete Beam Strengthening with Bolted-Compression Steel Plates: Part II." Applied Sciences 10, no. 1 (2019): 94. http://dx.doi.org/10.3390/app10010094.

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This study presents an experimental investigation and finite element modelling (FEM) of the behavior of over-reinforced simply-supported beams developed under compression with a bolt-compression steel plate (BCSP) system. This study aims to avoid brittle failure in the compression zone by improving the strength, strain, and energy absorption (EA) of the over-reinforced beam. The experimental program consists of a control beam (CB) and three BCSP beams. With a fixed steel plate length of 1100 mm, the thicknesses of the steel plates vary at the top section. The adopted plate thicknesses were 6 m

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Trzepieciński, Tomasz, Łukasz Bąk, Feliks Stachowicz, Sergei Bosiakov, and Sergei Rogosin. "ANALYSIS OF CONTACT OF A RIGID SPHERE AGAINST A DEFORMABLE FLAT." Acta Metallurgica Slovaca 21, no. 4 (2015): 285. http://dx.doi.org/10.12776/ams.v21i4.632.

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<p>In the paper the strain hardening effect on the contact of a rigid ball and elastic-plastic flat is considered using experiments and finite element method. The experiments were carried out for DC04 steel sheet metal. The flat samples of 20 mm width and 200 mm length were straightened using uniaxial tensile test to receive different strain values: 5, 10, 15, 20, 25 and 30%. The indentation tests were performed using a modified Zwick Roell Z030 operated in the compression mode. The diameter of bearing steel indenter was 6 mm. It was found that the strain hardening phenomenon and anisotr

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14

Gao, Wei, Zhiqiang Yu, Aijie Ma, and Zhangxin Guo. "Numerical simulation of composite grid sandwich structure under low-velocity impact." Science and Engineering of Composite Materials 29, no. 1 (2022): 516–28. http://dx.doi.org/10.1515/secm-2022-0176.

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Abstract The low-velocity impact finite element model of the carbon fiber-reinforced composite grid sandwich structure was established by ABAQUS. Its panels and grid are both carbon fiber-reinforced composite laminates. The constitutive relation of composite laminates is written into the VUMAT user subroutine using the Fortran language. Simulation of intralaminar failure behavior of composite laminates using the three-dimensional Hashin failure criterion. The quadratic stress criterion and the B-K energy criterion were used to simulate the interlaminar failure behavior, and the delamination da

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15

Suku, Yohanes Laka, and Kristoforus Je. "Modeling and Analysis of the Effect of Holes in Reinforced Concrete Column Structures." Journal of the Civil Engineering Forum 6, no. 1 (2020): 27. http://dx.doi.org/10.22146/jcef.48722.

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Holes are often made inside the column structure for plumbing, mechanical, and electrical installation purposes may affect the structural performance of the column. Therefore, this paper aims to model and analyze the effect of holes in reinforced concrete column structures due to lateral loads. Data were obtained from the reference frame structure of the previous researcher, with varying centric column holes of 0%, 2%, 4%, 6%, 8%, 10%, and 12%, respectively to the column cross-sectional area. Furthermore, a hole with a ratio of 4% to the column cross-sectional area was placed at 5 and 10 mm ec

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16

Zhang, Ni, Xuetian Gu, and Wenyu Hou. "Analysis of Interfacial Mechanical Properties of Steel Beams Strengthened with CFRP Sheets under Temperature and Creep." Polymers 14, no. 12 (2022): 2384. http://dx.doi.org/10.3390/polym14122384.

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Under the combined action of temperature and creep of CFRP (Carbon Fiber Reinforced Polymer) sheet, the interface between CFRP sheet and steel beams which are strengthened with CFRP sheet will produce relative slip. This slip will affect the interface interaction, reduce the bearing capacity and stiffness of members as well as increase the deformation. In this paper, the elastic method is used to introduce the creep effect of CFRP sheet and the temperature effect of steel beam. The calculation formulas of interface slip between CFRP sheet and steel beam, CFRP sheet tension and steel beam defor

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17

Li, Shijun, Liuqing Yang, and Shengtao Li. "Effects of Long-Term Vibration on Cellulose Degradation in an Oil-Impregnated Pressboard under Simultaneous Thermal–Electrical–Mechanical Stress Aging." Energies 15, no. 7 (2022): 2547. http://dx.doi.org/10.3390/en15072547.

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Due to the complex operation conditions in a power transformer, an oil-impregnated pressboard (OIP) simultaneously suffers from thermal, electrical, and mechanical stress. Since most research studies have paid much attention to thermal or electrical aging of OIPs, this paper analyzes the effects of long-term mechanical vibrations on cellulose degradation in OIPs under simultaneous multi-stress. The aging experiments were firstly conducted at 130 °C, with a DC electric voltage of +6 kV, vibration amplitude of 10–50 μm, and vibration frequency of 100–300 Hz. The finite element analysis (FEA) of

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18

Tang, Tao, Tao Ma, Xiaoming Huang, Qiuming Xiao, Hao Wang, and Guangji Xu. "Investigation of Thermal Cooling Effectiveness of RRVCS for Permafrost Protection under Wide Expressway Embankment." Advances in Civil Engineering 2018 (July 19, 2018): 1–11. http://dx.doi.org/10.1155/2018/2196459.

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In order to improve the thermal stability of wide embankment for the Qinghai-Tibet Expressway (QTE) to be constructed in permafrost zones on Qinghai-Tibet plateau, a new kind of reflective-resistant-ventilated coupling structure (RRVCS) was proposed and designed. A numerical model was then developed through ABAQUS to investigate the influences of RRVCS on the thermal regime of wide embankment. The temperature field and thawing depth of normal wide embankment without protective measures, wide embankment with crushed stone layer, and wide embankment with RRVCS were compared to verify the cooling

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19

Wang, Xiaorui, Dazhao Hou, and Songfeng Li. "Study on the Seepage Mechanism of Gaskets at the Joints of Shield Segments Based on Coupled Euler-Lagrangian Method." Water 16, no. 12 (2024): 1661. http://dx.doi.org/10.3390/w16121661.

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In the construction and operation stage of urban shield tunnels, joint leakage of shield is always an urgent problem to be solved. In order to further explore the waterproof performance of elastic rubber gaskets at segment joints, the finite element software ABAQUS (2022) was used to establish a fluid-solid coupling calculation model. The dynamic simulation of the leakage process at the segment joints under water pressure revealed the whole process of leakage at the segment joints and the instant water pressure value when the waterproof system failed. The results show that during the whole pro

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20

Deepak, MS, and VM Shanthi. "Lateral-torsional buckling capacity of Hybrid Double-I-Box Beams: A numerical approach." Advances in Structural Engineering 22, no. 3 (2018): 641–55. http://dx.doi.org/10.1177/1369433218795601.

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In this article, a parametric study on the lateral-torsional buckling performance of thin-walled cold-formed steel Hybrid Double-I-Box Beams through numerical analyses has been presented. These built-up beams have distinctive cross-section geometry; the presence of more section modulus at the flanges provides high resistance to flexural bending and the closed-box portion offers high stiffness to resist torsion and lateral buckling. Therefore, these beams can be used for longer spans. The nonlinear finite element analysis was performed using ABAQUS software. All the beams were modelled as ideal

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Glavšić, Milica, and Predrag Elek. "Numerical analysis of the mine blast action on an armored vehicle for different V-hull geometries." Scientific Technical Review 70, no. 1 (2020): 29–35. http://dx.doi.org/10.5937/str2001029g.

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The main objective of this research is to develop a numerical model of vehicle damage caused by an explosion of a mine, as well as to find the most favorable case of V-hull geometry and to point out a possible solution for mitigating the effects of mine explosion on an armored vehicle. Seven different V-hull geometries were considered and structure damage analysis was performed for all seven options. Also, the mass change for different geometries was analyzed. The effect of the mine explosion on the target structure was analyzed using the overpressure function according to the empirical CONWEP

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Senthil, K., MA Iqbal, and NK Gupta. "Ballistic resistance of mild steel plates of various thicknesses against 7.62 AP projectiles." International Journal of Protective Structures 8, no. 2 (2017): 177–98. http://dx.doi.org/10.1177/2041419617700007.

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The ballistic resistance of mild steel plates has been studied against 7.62 AP projectiles through numerical simulations using ABAQUS/Explicit commercial finite element package. The projectiles were impacted on 4.7, 6, 10, 12, 16, 20 and 25 mm thick target plates at varying incidence angles. The material parameters proposed by authors for the Johnson–Cook model were used to predict the material behavior of target, while the material behavior of projectile was incorporated from the available literature. The numerical results thus obtained have been compared with the experiments available in the

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23

Janas, Marek, and Joanna Sokół-Supel. "ON THE STRENGTH RESERVE OF CONCRETE STRUCTURES DUE TO CONDITIONS OF RESTRAINED FLEXURE/APIE BETONINŲ KONSTRUKCIŲ STIPRUMO REZERVĄ SUVARŽYTO LENKIMO SĄLYGOMIS." JOURNAL OF CIVIL ENGINEERING AND MANAGEMENT 5, no. 6 (1999): 399–404. http://dx.doi.org/10.3846/13921525.1999.10531495.

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Suvaržytą lenkimą apibūdina skersinis lenkimas, esant suvaržytiems arba neleistiniems atraminių taškų poslinkiams. Jei medžiagos tempimo ir gniuždymo savybės skiriasi, suvaržyti poslinkiai gali iš esmės pakeisti konstrukcijos atsparumą. Betoninėse konstrukcijose atsiranda svarbios gniuždymo membraninės jėgos. Šis reiškinys vadinamas arkos efektu [1, 2]. Jis sustiprina konstrukciją bet daro neigiamą. įtaką jos pastovumui (1 pav.). Nagrinėjami viena kryptimi armuotų gelžbetoninių plokščių iteraciniai sprendimai, taikant baigtinius elementus ir tampraus-plastiško tempiamo betono modelį (2 pav.) b

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Abd Alqader, Shahad Qusi, Bashar Owaid Bedaiwi, Emad Kadum Njim, Ayad M. Takhakh, and Lazreg Hadji. "Free Vibration Analysis for Polyester/Graphene Nanocomposites Multilayer Functionally Graded Plates." Physics and Chemistry of Solid State 25, no. 4 (2024): 704–17. http://dx.doi.org/10.15330/pcss.25.4.704-717.

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In the current work, an FGM nanocomposite made of multi-layers of graphene nanoparticles and a polyester-based matrix was constructed using the molds with a hand lay-up technique to attain an accurate shape and reduce defects in the final product. The desired models have four, six, and 11 layers and different volume fractions of nanoparticles (0.5, 1, 2, 3, 4, and 5%). This study conducted various experimental tests to analyze the free vibration characteristics of functionally graded composite sandwich rectangular structures with simply supported boundary conditions to evaluate the significanc

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Du, Yong, Yu'e Ma, Lei Gou, Chao Guo, Bo Li, and Gang LI. "Study on Residual Stress Distribution of 7050 Aluminum Sheet with Groove after Laser Shock Peening." Xibei Gongye Daxue Xuebao/Journal of Northwestern Polytechnical University 37, no. 4 (2019): 643–49. http://dx.doi.org/10.1051/jnwpu/20193740643.

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In order to study the residual stress profile of 7050-T7451 aluminum sheet with groove after laser shock peening (LSP), the residual stress distribution was measured. It is shown that the residual stress decreases gradually from the center to the edge of groove; and then there is the minimum value at the edge of the groove bottom surface. By using ABAQUS software to establish three-dimensional finite element model for 7050 aluminum sheet with groove, and the load was applied by VDLOAD subroutine. The finite element analysis was performed and the analysis results were compared with the experime

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Teng, Fei, Yueying Zhang, Weidong Yan, Xiaolei Wang, and Yanfeng Li. "Numerical Simulation of Reinforced Concrete Piers after Seawater Freeze–Thaw Cycles." Coatings 12, no. 12 (2022): 1825. http://dx.doi.org/10.3390/coatings12121825.

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The reinforced concrete (RC) piers of offshore bridges inevitably experience seawater freeze–thaw cycles due to the periodic movement of tides in cold climates. The damage caused by seawater freeze–thaw cycles will reduce the durability and mechanical properties of concrete, and then affect the seismic performance of RC piers. The method of seismic performance analysis on RC piers by numerical simulation is gradually emerging because the process of the conventional experiment is relatively complicated, and the heterogeneity and degradation of concrete after seawater freeze–thaw cycles should b

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Sudjaelan, Jauharul Akfiya, Sahril Afandi, and Endah Yuniarti. "Analisis Kekuatan Struktur Komposit Sandwich Pada Main Landing Gear UAV." Jurnal Teknologi Kedirgantaraan 8, no. 1 (2023): 38–48. http://dx.doi.org/10.35894/jtk.v8i1.68.

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Tricycle landing gear adalah konfigurasi landing gear pada pesawat dengan nose landing dan main landing. Analisis kekuatan komposit sandwich dengan beban impact bertujuan mengetauhi kekuatan maksimal yang dapat ditahan oleh sandwich dengan beberapa lapisan lamina yang disusun dengan variasi arah orientasi serat untuk mendapatkan kekakuan,mengetahui jenis kerusakan akibat pembebanan yang berlebihan. Optimisasi arah serat dilakukan untuk memperoleh variasi arah serat yang optimal dalam menerima pembebanan, didapatkan arah serat optimal yakni [(0)(45)(-45)(90)(0)]s dengan nilai Tsai-hill yang sig

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Wang, Qiusheng, Jianping Xian, Jun Xiao, and Shuai Zou. "Simulation Study on Sunshine Temperature Field of a Concrete Box Girder of the Cable-Stayed Bridge." Sustainability 15, no. 9 (2023): 7541. http://dx.doi.org/10.3390/su15097541.

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This paper investigates the distribution of the sunshine temperature field in bridge structures. To implement thermodynamic boundary conditions on the structure under the influence of sunshine, this study utilized the FILM and DFLUX subroutines provided by ABAQUS. Based on this method, the sunshine temperature field of the concrete box girder of a cable-stayed bridge was analyzed. The results showed that the simulated temperature values were in good agreement with the measured values. The temperature difference between the internal and external surfaces of the box girder under the influence of

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Chai, Xiaojun, Yanlin Li, and Fei Shang. "Numerical Study on Metal Transverse Flow Law and Model of Rolled Strip under Variable Specification in Hot Rolling." Metals 13, no. 11 (2023): 1876. http://dx.doi.org/10.3390/met13111876.

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The research on metal transverse flow under variable specification is of great significance for shape calculation and control in hot strip rolling. The finite element software ABAQUS 2016 is used to establish the elastic–plastic deformation model of a hot rolled strip to study the metal transverse flow. The edge transverse strain εe and center transverse strain εc are introduced to characterize metal transverse flow and calculate the strip flatness. The effect on εe, εc and the flatness increment of similarity of profile under different widths, thicknesses and reduction rates is simulated and

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Anastasopoulos, Ιoannis, Takis Georgarakos, Vassiliki Georgiannou, Vassilis Drosos, and Rallis Kourkoulis. "Seismic Performance of Bar-Mat Reinforced-Soil Retaining Wall: Shaking Table Testing versus Numerical Analysis with Modified Kinematic Hardening Constitutive Model." Soil Dynamics & Earthquake Engineering 30, no. 10 (2011): 1089–105. https://doi.org/10.1016/j.soildyn.2010.04.020.

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Reinforced-soil retaining structures possess inherent flexibility, and are believed to be insensitive to earthquake shaking. In fact, several such structures have successfully survived destructive earthquakes (Northridge 1994, Kobe 1995, Kocaeli 1999, and Chi-Chi 1999). This paper investigates experimentally and theoretically the seismic performance of a typical bar-mat retaining wall. First, a series of reduced- scale shaking table tests are conducted, using a variety of seismic excitations (real records and artificial multi-cycle motions). Then, the problem is analyzed numerically employing

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Chen, Xiaochuan, Banglu Xi, Yang Guo, Hanghang Liu, Dan Xu, and Xun Zhang. "Axial Compressive Performance of CFRP-Confined Corroded Reinforced Concrete Columns." Buildings 14, no. 8 (2024): 2412. http://dx.doi.org/10.3390/buildings14082412.

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In saline environments, it is difficult for reinforced concrete structures to meet normal durability requirements, which in turn affects the mechanical properties of the members. In this context, this paper proposes a reinforcement method that involves wrapping corroded reinforced concrete columns with CFRP (carbon fiber reinforced polymer) cloth. By conducting axial compression tests on four specimens, key mechanical performance indicators such as failure mode, ductility, and bearing capacity during the entire stress process of the specimens were analyzed, revealing the failure mechanism of C

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Noreen, Noordica Greissaldine, Martiyadi Nurhidayat, and Nurul Fitriana Bahri. "PERANCANGAN MEDIA BELAJAR BERHITUNG UNTUK ANAK TUNANETRA USIA DINI 4-6 TAHUN." JP2M (Jurnal Pendidikan dan Pembelajaran Matematika) 9, no. 2 (2023): 152–60. http://dx.doi.org/10.29100/jp2m.v9i2.4280.

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Blind students need different support and treatment from normal children during the learning process. Numeracy type learning media specifically made for early blind children, is still not widely found. Blind numeracy learning media that have been circulating such as abacus and abacus have a goal that focuses more on mathematical skills in children at a more mature age. The design is implemented to help blind children to recognize numbers by using learning media adapted to their physical conditions and abilities. The research method used is qualitative descriptive and design methods using User

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Borbas, Lillian N., Lauren E. Kurtz, and Jessica D. Lubell-Brand. "A Comparison of Two Media Formulations and Two Vented Culture Vessels for Shoot Multiplication and Rooting of Hemp Shoot Tip Cultures." HortTechnology 33, no. 2 (2023): 233–38. http://dx.doi.org/10.21273/horttech05179-22.

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Micropropagation of hemp (Cannabis sativa) is constrained by problems with hyperhydricity and culture decline of microshoots. These problems can be reduced by increasing agar and nutrients in the media during micropropagation stages 1 and 2, respectfully. Performance of microshoots of ‘Abacus’ and ‘Wife’ hemp cultured in Driver and Kuniyuki Walnut medium (DKW) for 15 weeks (6 weeks of stage 1 + 9 weeks of stage 2), with subculturing every 3 weeks during both stages 1 and 2, or in Murashige and Skoog with vitamins medium (MS) for 6 weeks (stage 1) followed by Lubell-Brand Cannabis medium (LBC)

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Ebenbichler, Maximilian, Dieter Heinrich, Maurice Mohr, Ryo Ueno, and Robert Eberle. "Coupling a finite element knee model with musculoskeletal multibody simulations. A case study of ACL force during a change-of-direction movement before and after injury prevention training." Current Issues in Sport Science (CISS) 9, no. 4 (2024): 004. http://dx.doi.org/10.36950/2024.4ciss004.

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Introduction & Purpose Change of direction (COD) movements are a common cause of injuries to the anterior cruciate ligament (ACL), especially in sports such as soccer, basketball, handball (Agel et al., 2016). In Mohr et al., (2024) an 8-week injury prevention training program including COD technique training was investigated. The movements during COD were recorded in an experimental setup with a marker-based system before and after the training program. While Mohr and colleagues observed training effects on the COD movement strategy, it remains unknown whether the ACL forces are actually

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Irmina, Theresia, and Lailil Aflahkul Yaum. "Pengaruh Penggunaan Media Abakus Terhadap Konsep Berhitung Matematika Pengurangan dan Pembagian Pada Anak Tunanetra Kelas IV SLB-A TPA Jember." SPEED Journal : Journal of Special Education 4, no. 2 (2021): 21–28. http://dx.doi.org/10.31537/speed.v4i2.397.

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Penelitianfinidbertujuankuntukxmengetahui pengaruhhpenggunaanymedia abakus terhadapykonsep berhitung matematika pengurangan dan pembagian anak tunanetra kelas IV SLB –A TPA Jember.hPenelitiangini menggunakanfmetode SubjectyResearch (SSR) dengan desainyA-B Subject penelitianuinigsiswa tunanetraqinisialwJ.hPenelitian inikdilakukan sebanyak 10 sesi pertemuangyang dilakukanxpada dua fasehyaitu 4 sesi fase baseline (A) serta 6 sesi fase intervensi (B). Hasil penelitian ini menunjukkan adanya pengaruh media abakus terhadap konsep berhitung pengurangan dan pembagian pada anak tunanetra hal ini ditunj

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Mujtahidin, Samsul. "PENGEMBANGAN MEDIA SEMPOA ABJAD UNTUK MENGEMBANGKAN KEMAMPUAN BAHASA PADA ANAK USIA 4-5 TAHUN." JURNAL ASIMILASI PENDIDIKAN 2, no. 1 (2024): 43–53. https://doi.org/10.61924/jasmin.v2i1.29.

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This research is motivated by the low language skills of children at PAUD Mayang Mekar Pancor. Language skills are tools used to communicate and convey intentions, feelings and other information about something to others that can be used through writing, sound, something heard, seen and read to be conveyed to others. This study aims to develop the alphabetic abacus media to develop language skills in children and to determine the effectiveness of the alphabetic abacus media on the development of language skills in children aged 4-5 years at PAUD Mayang Mekar Pancor in the 2022/2023 learning ye

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Pascual, David W., Theresa Trunkle, and Jamie Sura. "Fimbriated Salmonella enterica Serovar Typhimurium Abates Initial Inflammatory Responses by Macrophages." Infection and Immunity 70, no. 8 (2002): 4273–81. http://dx.doi.org/10.1128/iai.70.8.4273-4281.2002.

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ABSTRACT Oral immunization of mice with a Salmonella vaccine expressing colonization factor antigen I (CFA/I) from enterotoxigenic Escherichia coli results in the rapid onset of interleukin-4 (IL-4) and IL-5 production, which explains the observed elevations in mucosal immunoglobulin A (IgA) and serum IgG1 antibodies. In contrast, oral immunization with the Salmonella vector does not result in the production of Th2-type cytokines. To begin to assess why such differences exist between the two strains, it should be noted that in vitro infection of RAW 264.7 macrophages resulted in the absence of

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Imo, Chinedu. "Influence of Beers of Different Alcohol Concentration on Haematological Indices of Male Albino Rats." Journal of Biotechnology Research, no. 91 (May 2, 2023): 1–5. http://dx.doi.org/10.32861/jbr.91.1.5.

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Background and Objective: This study investigated the influence of beers of different alcohol content on haematological indices of male albino rats. Materials and Methods: Three brands of beers commonly consumed within Nigeria were purchased and administered to the experimental animals for 21 days. Group 1 was the control. Group 2 and group 3 were administered 10 mL/kg bw and 20 mL/kg bw of beer A respectively. Group 4 and group 5 were administered 10 mL/kg bw and 20 mL/kg bw of beer B respectively, while group 6 and group 7 were administered 10 mL/kg bw and 20 mL/kg bw of beer C respectively.

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Mohamed, Eman E., Osama M. Ahmed, Khairy M. A. Zoheir, et al. "Naringin–Dextrin Nanocomposite Abates Diethylnitrosamine/Acetylaminofluorene-Induced Lung Carcinogenesis by Modulating Oxidative Stress, Inflammation, Apoptosis, and Cell Proliferation." Cancers 15, no. 20 (2023): 5102. http://dx.doi.org/10.3390/cancers15205102.

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Nanotechnology has proven advantageous in numerous scientific applications, one being to enhance the delivery of chemotherapeutic agents. This present study aims to evaluate the mechanisms underlying the chemopreventive action of naringin–dextrin nanocomposites (Nar-Dx-NCs) against diethylnitrosamine (DEN)/2-acetylaminofluorene (2AAF)-induced lung carcinogenesis in male Wistar rats. DEN was administered intraperitoneally (i.p.) (150 mg/kg/week) for two weeks, followed by the oral administration of 2AAF (20 mg/kg) four times a week for three weeks. Rats receiving DEN/2AAF were concurrently trea

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Chen, Hongtao, and Li Zhang. "Downregulation of FPR1 abates lipopolysaccharide-induced inflammatory injury and apoptosis by upregulating MAPK signaling pathway in murine chondrogenic ATDC5 cells." Allergologia et Immunopathologia 49, no. 5 (2021): 56–62. http://dx.doi.org/10.15586/aei.v49i5.455.

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Background and objective: Osteoarthritis is the most common chronic osteoarthrosis disease. There are complex factors that lead to osteoarthritis. Therefore, it is essential to investigate the molecular mechanism of osteoarthritis, especially the mechanism of articular cartilage degeneration. In this study, the mechanism of FPR1 (formyl peptide receptor 1) in LPS (lipopolysaccharide) induced chondrogenic cell ATDC5 was investigated.Materials and methods: We employed real-time quantitative polymerase chain reaction (RT-qPCR) and western blot assay to analyze the expression level of FPR1 in ATDC

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Briggs, Andrew, Camilla Baba, Anna Kaltenboeck, Allison Nicole Lipitz Snyderman, Emma McIntosh, and Peter Bach. "The value of cancer treatments: Patient and clinician perspectives." Journal of Clinical Oncology 35, no. 15_suppl (2017): e18320-e18320. http://dx.doi.org/10.1200/jco.2017.35.15_suppl.e18320.

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e18320 Background: A number of frameworks for assessing the value of cancer treatments such as the National Comprehensive Cancer Network’s evidence blocks, Memorial Sloan Kettering Cancer Center’s Drug Abacus and ASCO’s value framework have been developed to help address the rising cost of cancer treatments. Yet the methodological basis for the inclusion of differing attributes, how to incorporate other contextual considerations and understand stakeholder trade-offs is unclear. This qualitative study aimed to identify contextual factors prioritized by stakeholders for inclusion in oncology val

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Rakin, Marko, Bojan Medjo, Miodrag Arsić, Živče Šarkoćević, and Aleksandar Sedmak. "Effect of Exploitation Conditions and Flaw Geometry on the Load Carrying Capacity of Casing Pipes for Oil Drilling Rigs." Key Engineering Materials 601 (March 2014): 65–70. http://dx.doi.org/10.4028/www.scientific.net/kem.601.65.

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Normal 0 false false false EN-US X-NONE X-NONE MicrosoftInternetExplorer4 Abstract. The subject of this work is examination of API J55 steel casing pipes manufactured by high frequency (HF) contact welding. Since the pipes were withdrawn after about 70 000 hours of service in an oil drilling rig, the influence of the exploitation conditions on the material properties is determined. Experimental analysis includes tensile, impact toughness and fatigue testing of the specimens cut from the exploited pipe and the new pipe manufactured from the same-grade material. Additionally, pipe with flaws (st

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Grabowski, Adam, and Artur Korniłowicz. "Introduction to Liouville Numbers." Formalized Mathematics 25, no. 1 (2017): 39–48. http://dx.doi.org/10.1515/forma-2017-0003.

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Summary The article defines Liouville numbers, originally introduced by Joseph Liouville in 1844 [17] as an example of an object which can be approximated “quite closely” by a sequence of rational numbers. A real number x is a Liouville number iff for every positive integer n, there exist integers p and q such that q > 1 and It is easy to show that all Liouville numbers are irrational. Liouville constant, which is also defined formally, is the first transcendental (not algebraic) number. It is defined in Section 6 quite generally as the sum for a finite sequence {ak}k∈ℕ and b ∈ ℕ. Based on

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Shao, Helen, Natalí S. M. de Santi, Francisco Villaescusa-Navarro та ін. "A Universal Equation to Predict Ω_m from Halo and Galaxy Catalogs". Astrophysical Journal 956, № 2 (2023): 149. http://dx.doi.org/10.3847/1538-4357/acee6f.

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Abstract We discover analytic equations that can infer the value of Ωm from the positions and velocity moduli of halo and galaxy catalogs. The equations are derived by combining a tailored graph neural network (GNN) architecture with symbolic regression. We first train the GNN on dark matter halos from Gadget N-body simulations to perform field-level likelihood-free inference, and show that our model can infer Ωm with ∼6% accuracy from halo catalogs of thousands of N-body simulations run with six different codes: Abacus, CUBEP3M, Gadget, Enzo, PKDGrav3, and Ramses. By applying symbolic regress

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Rémy, J. P. P., I. S. M. Martins, P. E. L. Santa Maria, V. N. Aguiar, and M. E. S. Andrade. "Working Hypothesis, Special Laboratory Tests, Working Tools, Analysis of the Monitoring of a Pilot Embankment Built on Soft Clay in Santos with Wick Drains and its Application to the Final Design." Soils and Rocks 34, no. 4 (2011): 277–316. http://dx.doi.org/10.28927/sr.344277.

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Routine in-situ and laboratory investigations carried out for the basic design failed to provide reliable values for compressibility and consolidation parameters of soft clay layers at the site of a terminal to be built in Santos. A pilot embankment was designed and built divided in three equal areas, two with wick drains in a square mesh at spacings of 1.2 m and 2.4 m respectively and one with no drain. The basic working hypothesis adopted by the authors was that, in the field, primary and secondary consolidation occur simultaneously. High quality standard and special (long term and relaxatio

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Quesada, Charles, Camille Fauchon, Benjamin Pommier, et al. "Field recordings of transcranial magnetic stimulation in human brain postmortem models." PAIN Reports 9, no. 2 (2024): e1134. http://dx.doi.org/10.1097/pr9.0000000000001134.

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Abstract Introduction: The ability of repetitive transcranial magnetic stimulation (rTMS) to deliver a magnetic field (MF) in deep brain targets is debated and poorly documented. Objective: To quantify the decay of MF in the human brain. Methods: Magnetic field was generated by single pulses of TMS delivered at maximum intensity using a flat or angulated coil. Magnetic field was recorded by a 3D-magnetic probe. Decay was measured in the air using both coils and in the head of 10 postmortem human heads with the flat coil being positioned tangential to the scalp. Magnetic field decay was interpr

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Balzani, Vincenzo, Miguel Clemente-León, Alberto Credi, et al. "A Comparison of Shuttling Mechanisms in Two Constitutionally Isomeric Bistable Rotaxane-Based Sunlight-Powered Nanomotors." Australian Journal of Chemistry 59, no. 3 (2006): 193. http://dx.doi.org/10.1071/ch06019.

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To find out how best to optimize shuttling of the macrocycle in a particular class of photochemically driven molecular abacus, which has the molecular structure of BR-I6+ in its Mark I prototype (Ashton et al., Chem. Eur. J. 2000, 6, 3558), we have synthesized and characterized a Mark II version of this kind of two-station rotaxane comprised of six molecular modules, namely (a) a bisparaphenylene[34]crown-10 electron donor macrocycle M and its dumbbell-shaped component which contains (b) a Ru(ii)-polypyridine photoactive unit P2+ as one of its stoppers, (c) a p-terphenyl-type ring system as a

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Perrot, Aurore, Thierry Facon, Shaji Kumar, et al. "Sustained Improvement in Health-Related Quality of Life in Transplant-Ineligible Patients with Newly Diagnosed Multiple Myeloma Treated with Daratumumab, Lenalidomide, and Dexamethasone Versus Lenalidomide and Dexamethasone: Update of the Phase 3 MAIA Trial." Blood 138, Supplement 1 (2021): 1655. http://dx.doi.org/10.1182/blood-2021-144421.

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Abstract Introduction: Multiple myeloma (MM) is a chronic hematologic malignancy with a high symptom burden that can have a substantial negative impact on patients' (pts) health-related quality of life (HRQoL). The introduction of novel triplet regimens for newly diagnosed MM (NDMM) has extended progression-free survival (PFS) and overall survival (OS); however, adverse events and demanding administration and monitoring schedules have a further negative effect on HRQoL, especially among pts who are transplant ineligible (TIE) due to older age and/or frailty. Optimizing initial treatment is par

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Perrot, Aurore, Thierry Facon, Shaji Kumar, et al. "Meaningful Changes in Patient-Reported Outcomes in Relation to Best Clinical Response and Disease Progression: Post Hoc Analyses from MAIA." Blood 138, Supplement 1 (2021): 4095. http://dx.doi.org/10.1182/blood-2021-150369.

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Abstract Introduction: In oncology clinical trials, overall survival (OS) is considered the gold standard efficacy endpoint. However, in multiple myeloma, the prolonged survival times and availability of multiple salvage therapies render it difficult to rely on OS as a primary endpoint. Instead, progression-free survival (PFS) or clinical response can be a relevant biomarker. At the same time, some health technology assessment bodies will only consider evidence based on patient-relevant endpoints, such as morbidity, mortality, and health-related quality of life (HRQoL), within their benefit as

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Ali Joda, Saad Abdulqader, Abdul Aziz Abdul Samad, and Noridah Mohamed. "Numerical Analysis of Precast Wall Panels with Openings." International Journal of Sustainable Construction Engineering and Technology 11, no. 2 (2020). http://dx.doi.org/10.30880/ijscet.2020.11.02.004.

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A finite element (FE) analysis study on precast concrete solid and sandwich wall panels with various openings subjected to axial eccentric load (tw/6) is presented in this paper. Experimental work of nine full-scale and six half-scale wall panels from selected studies were modelled using ABAQUS 6.13 software. The cracking pattern, plastic strain and ultimate load carrying capacity of these FE models were analyzed and comparison from the selected studies was conducted for verification. Results from the FE analysis revealed that the behavior of the wall panels was influenced by the size and loca

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