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Artykuły w czasopismach na temat „ABAQUS MODEL”

Autor: Grafiati

Data publikacji: 11 września 2023

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1

Ioannides, Anastasios M., Jun Peng i James R. Swindler. "ABAQUS model for PCC slab cracking". International Journal of Pavement Engineering 7, nr 4 (grudzień 2006): 311–21. http://dx.doi.org/10.1080/10298430600798994.

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Qin, Ya Zhou, i Qi Chen. "Anisotropic Bounding Surface Model in ABAQUS Software". Applied Mechanics and Materials 580-583 (lipiec 2014): 977–80. http://dx.doi.org/10.4028/www.scientific.net/amm.580-583.977.

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This paper presents an improved anisotropic bounding surface model which is based on Wheeler’s elastoplastic model (S-CLAY1). The developed model is programmed in ABAQUS software by writing UMAT subroutine, which is integrated in Return Mapping Algorithm. The parameters sensitivity analysis is implemented on plastic modulus. The study shows that the developed anisotropic bounding surface model is capable of describing the dynamic properties of soft clay.

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3

Ciambella, J., M. Destrade i R. W. Ogden. "On the ABAQUS FEA Model of Finite Viscoelasticity". Rubber Chemistry and Technology 82, nr 2 (1.05.2009): 184–93. http://dx.doi.org/10.5254/1.3548243.

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Abstract Predictions of the QLV (Quasi-Linear Viscoelastic) constitutive law are compared with those of the ABAQUS viscoelastic model for two simple motions in order to highlight, in particular, their very different dissipation rates and certain shortcomings of the ABAQUS model.

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4

Wang, Bing, Xiao Liu i Bai Dong Zhao. "The Foundation of Nonlinear Finite Element Model". Applied Mechanics and Materials 580-583 (lipiec 2014): 3075–78. http://dx.doi.org/10.4028/www.scientific.net/amm.580-583.3075.

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This paper introduces the process of the nonlinear finite element model which is established by using ABAQUS software, and introduces the characteristics of ABAQUS software, meanwhile, lists the constitutive relation of steel pipe, steel and concrete, finally introduces some experimental model.

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5

Molnár, Gergely, Aurélien Doitrand, Adrien Jaccon, Benoit Prabel i Anthony Gravouil. "Thermodynamically consistent linear-gradient damage model in Abaqus". Engineering Fracture Mechanics 266 (maj 2022): 108390. http://dx.doi.org/10.1016/j.engfracmech.2022.108390.

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6

Fedoroff, Alexis, i Kim Calonius. "Using the Abaqus CDP model in impact simulations". Rakenteiden Mekaniikka 53, nr 3 (4.07.2020): 180–207. http://dx.doi.org/10.23998/rm.79723.

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The understanding and assessment of accidental crash scenarios on reinforced concrete structures is of high interest for safety issues. Although experimental research on this topic has already a long and successful history, there are many issues waiting to be solved as far as numerical simulations are concerned. In this article some particularities of the Abaqus Concrete Damaged Plasticity (CDP) model are investigated with the purpose of using efficiently the CDP model in impact loaded reinforced concrete structure simulations. In particular, the sensitivity of the simulation response with respect to model parameters and element size is studied. The simulation response is compared to measurements from benchmark impact tests on reinforced concrete plates.

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Wu, Dong Yue, Shu Ting Liang i Zheng Xing Guo. "The ABAQUS Standard Layer Assembly Modeling Approach of Building Structure". Advanced Materials Research 1065-1069 (grudzień 2014): 1260–66. http://dx.doi.org/10.4028/www.scientific.net/amr.1065-1069.1260.

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The mechanics analysis of integral building structure needs the accurate ABAQUS finite element analysis, but due to the ABAQUS function limits the building structure modeling is a great workload and how to model an integral structure more quickly and efficiently become a difficult problem. In order to reduce the workloads in the ABAQUS analysis, the new ABAQUS standard layer assembly modeling approach was proposed. Firstly, according to the data structure of the ABAQUS software’s INP file, the program computational algorithm was proposed. And by a Python self-written program, the example engineering structure model was completed using this standard layer assembly approach. The usage of this new ABAQUS modeling approach makes the modeling more easy and efficient. After that, by comparing the ABAQUS standard layer assembly model calculation results with the results calculated by another finite element software, it is clearly illustrated that the ABAQUS standard layer assembly modeling is more accurate and can be applied in the structure analysis.

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8

Yang, Ke Jia, Zi Ling Xie i Wei Li. "Application of RPC Constitutive Model in FEA". Applied Mechanics and Materials 578-579 (lipiec 2014): 25–30. http://dx.doi.org/10.4028/www.scientific.net/amm.578-579.25.

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The damage evolution equation of RPC is established based on 2-parameter Weibull distribution. The constitutive relation of RPC is then calculated based on the damage evolution equation. The constitutive model of RPC is optimized by comparing experimental constitutive curve to models corresponding to different threshold strain. Based on the definition of damage index in ABAQUS, the damaged evolution equation in ABAQUS is recalculated based on the optimized constitutive relation. the concrete damaged plasticity model in ABAQUS is obtained using the aforementioned method. And the concrete damaged plasticity model is applied to three compression member and three simply supported beams with different reinforcements. The calculated stress-strain curve and deformation of three compression member and three beams is in accordance with the deformation characteristics of experiments, which verified the effectiveness of the proposed concrete damaged plasticity model of RPC.

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9

Wahid, Z., M. K. A. M. Ariffin, B. T. H. T. Baharudin, M. I. S. Ismail i F. Mustapha. "ABAQUS Simulation of Different Critical Porosities Cubical Scaffold Model". IOP Conference Series: Materials Science and Engineering 530 (15.07.2019): 012018. http://dx.doi.org/10.1088/1757-899x/530/1/012018.

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10

Msekh, Mohammed A., Juan Michael Sargado, Mostafa Jamshidian, Pedro Miguel Areias i Timon Rabczuk. "Abaqus implementation of phase-field model for brittle fracture". Computational Materials Science 96 (styczeń 2015): 472–84. http://dx.doi.org/10.1016/j.commatsci.2014.05.071.

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11

Sun, Wei, i Yansheng Huang. "Anisotropic Nonlinear Elastic Model of Concrete and Secondary Development in ABAQUS". Open Civil Engineering Journal 10, nr 1 (31.10.2016): 615–24. http://dx.doi.org/10.2174/1874149501610010615.

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In order to solve the convergence problem of concrete constitutive in the softening phase, an anisotropic nonlinear elastic constitutive model (ANECM) was proposed, which was developed based on the uniaxial concrete constitutive relation in the Chinese code for design of concrete structures (GB 50010-2010). The user material subroutine (UMAT) based on ANECM is developed in ABAQUS software. The above UMAT is applied to analyze a simulation model in ABAQUS software. The result shows that compared to the default plastic-damage concrete constitutive in ABAQUS, ANECM is an effective and appropriate model to simulate the performance of concrete and it has improved the convergence problem.

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12

Hemamathi, A., Binu Sukumar i R. B. Hambrish Guru Chantrakant. "Numerical Analysis of RCC Beam Using ABAQUS". IOP Conference Series: Earth and Environmental Science 1084, nr 1 (1.10.2022): 012077. http://dx.doi.org/10.1088/1755-1315/1084/1/012077.

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Abstract Experimental investigation of RCC beam provide an important understanding on its flexural properties. The stages involved from the design to casting, curing, testing and interpretation of results is time consuming and involves economy and labour. To reduce the above said challenges, numerical investigation seems to be an alternate without involvement of money and labour. Preliminary design stages involves design equation which are provided by the basic experiments conducted and they also give the basic information to develop the finite element model. This paper presents the numerical investigation of RCC beam to study the flexural properties using an effective finite element analysis tool ABAQUS. RCC beam prototypes were casted and their flexural properties were experimentally investigated. The results were validated through the finite element model by providing suitable properties for the material that are actually used for the prototype with the desired loading and support conditions. Beam of size 3000 x 230 x 300 mm of M20 grade concrete was casted and tested in the loading frame for flexure and deflection. The study focussed for under reinforced, balanced and over reinforced sections. Numerical analysis was performed using ABAQUS for model geometry and the results were compared with the experimental results. The results agreed with both the experimental and numerical values. Numerical results helps in developing reliable models which can reduce the number of required test specimens for conducting experiments and the model can be used for various study. Also from the finite element results the propagation of cracks can be well understood for the actual specimen.

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13

Yu, Xiao Bo, Rui Sun i Xiao Fei Li. "Preliminary Exploration of 2-Dimensional Seismic Response Analysis for Elastic Layered Model by ABAQUS". Advanced Materials Research 915-916 (kwiecień 2014): 72–75. http://dx.doi.org/10.4028/www.scientific.net/amr.915-916.72.

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Finite element method is widely used in every field, in which ABAQUS is a typical product. For engineers and researchers, SHAKE91 is a good choice for seismic safety evaluation. For developing seismic response analysis for complicated cases, finite element method approach should be explored. An elastic layered model is built, which is calculated in SHAKE91 and ABAQUS respectively. The results of the two programs fitted well, which implies the correctness of the ABAQUS model. In the elastic model, simple boundary condition works well. In the future, more complex boundaries and dynamic constitutive models should be studied.

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14

Shubert, Mike, i Muralidharan Pandheeradi. "An Abaqus Extension for 3-D Welding Simulations". Materials Science Forum 768-769 (wrzesień 2013): 690–96. http://dx.doi.org/10.4028/www.scientific.net/msf.768-769.690.

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An Abaqus Extension, in the form of an Abaqus/CAE Plug-In, is presented that enables an easy, efficient, model-tree based approach to setup all aspects of a welding model from within Abaqus/CAE. Specifically, the paper describes the extension to 3-D of a similar capability, namely the 2-D Abaqus Welding Interface (AWI), that currently exists for automating most of the repetitive, time-consuming tasks associated with building a welding model in a traditional CAE environment to facilitate weld simulations. The tasks supported by the 3-D AWI include weld-bead definitions based on simple cross-sectional geometric entity picks, options for geometry- or element-based bead-chunking in the weld direction, automatic definition of weld passes, steps and boundary conditions for each pass, and set-up of both the thermal and stress analysis models. The 3-D AWI is expected to make the normally time-consuming welding analysis setup significantly faster. The use of the AWI is demonstrated on a six-pass plate welding problem described in the literature.

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15

Peng, Manyu. "Meso-concrete Uniaxial Compression Experiment Based on ABAQUS". Highlights in Science, Engineering and Technology 52 (4.07.2023): 304–11. http://dx.doi.org/10.54097/hset.v52i.9216.

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Plain concrete is made of cement matrix and aggregates. The current numerical model researches mostly consider the cement matrix and ignore the existence of coarse aggregates, which is not consistent with the reality. In view of that, this article uses ABAQUS as the platform to establish a meso-concrete damage model based on the concrete coarse aggregates and CDP (Concrete Damaged Plasticity) model constructed in Python language. The results show that: (1) The main failure mode of concrete model is shear failure, and the crack is about 45° to the vertical plane. (2) Under the action of the load, multiple micro-cracks are formed at the end of the concrete, which are gradually extended to each other, and finally a macroscopic large crack is formed. (3) The damage model proposed in this article is in line with reality and provides guidance for concrete damage research.

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16

Liu, Xue Bin, Xi Bin Wang, Chong Ning Li i San Peng Deng. "Finite Element Simulation of the Orthogonal Cutting Based on Abaqus". Advanced Materials Research 821-822 (wrzesień 2013): 1410–13. http://dx.doi.org/10.4028/www.scientific.net/amr.821-822.1410.

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In view of orthogonal cutting, finite element simulation geometry is built. the friction model, thermal conduction model and chip separation model are established between chip and tool using Abaqus which is a finite element analysis software. Through a specific example, two-dimensional finite element model have been established, simulating the cutting process stress distribution of the work piece surface is also obtained during processing. While simulation analyzes the relationship between the rake angle and shear angle, the results of simulation and experiment are basically the same, thus further verify the credibility of Abaqus simulation results on orthogonal cutting, and the feasible is also proved of obtaining cutting data by the use of Abaqus simulation cutting process.

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17

Ye, Jianhong, i Dawei Yu. "ABAQUS–OlaFlow integrated numerical model for fluid–seabed–structure interaction". Marine Structures 78 (lipiec 2021): 103016. http://dx.doi.org/10.1016/j.marstruc.2021.103016.

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18

Fedoroff, Alexis, Kim Calonius i Juha Kuutti. "Behavior of the Abaqus CDP model in simple stress states". Rakenteiden Mekaniikka 52, nr 2 (12.07.2019): 87–113. http://dx.doi.org/10.23998/rm.75937.

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In order to use the Abaqus Concrete Damaged Plasticity (CDP) material model in simulations of reinforced concrete structures, one has to understand the effect of various parameters of the material model. Although most of the material parameters can be determined from standard concrete tests, some parameters need more advanced tests to be determined. In impact simulations, one often has only limited material data available, and it makes therefore sense to study the parameter sensitivity of the material model in order to fix realistic parameter values. In this paper, the sensitivity of the simulation response with respect to two modelparameters is studied: the dilation angle and the tensile to compressive meridian ratio. The sensitivity study is performed in three simple but representative stress states: the uniaxial tension state, the confined uniaxial compressive state and the pure shear state. Finally, it is discussed how these simple stress states relate to the element removal criteria, which is necessary in simulations involving fragmentation.

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19

Xu, Jian, i J. Daniel Dolan. "Development of a Wood-Frame Shear Wall Model in ABAQUS". Journal of Structural Engineering 135, nr 8 (sierpień 2009): 977–84. http://dx.doi.org/10.1061/(asce)st.1943-541x.0000031.

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20

Jemioło, Stanisław, i Aleksander Franus. "Numerical implementation of the Murnaghan material model in ABAQUS/Standard". MATEC Web of Conferences 196 (2018): 01042. http://dx.doi.org/10.1051/matecconf/201819601042.

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The paper presents a numerical implementation of the Murnaghan material model (M) [1] in the finite element method software ABAQUS / Standard v. 6.14 [2]. The UHYPER user subroutine is employed, which is suitable for the class of isotropic hyperelastic models [3]. As a special case of the M model, the Saint Venant-Kirchhoff (SVK) model is considered [4]. Formal verification on the basis of elementary tests is performed. Among others, a special attention is paid to a simple shear deformation. In all tested types of deformation, analytical values confirms results based on the finite element procedure within assumed numerical precision and accuracy. It should be noted that the stored-energy function of the M and SVK models do not meet any requirements of the mathematical theory of non-linear elasticity [4, 5]. Therefore, these models are suitable for relatively small deformations, while there are no restrictions on finite rotations. As an example of applications, a tube under axial compression is considered in two cases. Various starting parameters for the Riks procedure [6, 7] are adopted to obtain different solutions of corresponding boundary value problem. Material parameters of steel are considered according to Lurie [8].

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21

Cao, Yuan Wen, Liang Xiang, Li Ying Ma i Ze Jun Li. "Application Analysis of Vibrating Wheel-Soil Model Based on ABAQUS". Advanced Materials Research 644 (styczeń 2013): 366–69. http://dx.doi.org/10.4028/www.scientific.net/amr.644.366.

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Vibration wheel and soil model is established by a finite element analysis software ABAQUS. Simulate and analyze the vibration compaction process with different vibration force and different speed, the result showed that the finite element model is a good simulation of the vibrating compaction process. It is a theory base of vibratory roller construction technology and prediction of vibratory roller compaction effect.

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22

Koohmishi, Mehdi. "Comparison of Pavement Layers Responses with Considering Different Models for Asphalt Concrete Viscoelastic Properties". Slovak Journal of Civil Engineering 21, nr 2 (1.06.2013): 15–20. http://dx.doi.org/10.2478/sjce-2013-0008.

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Abstract In this paper, a comparison between pavement responses is performed by considering two different models for the linear viscoelastic behavior of an asphalt concrete layer. Two models, the Maxwell model and the Kelvin-Voigt model, are generalized. The former is used in ABAQUS and the latter in KENLAYER. As a preliminary step, an appropriate structural model for a flexible pavement structure is developed in ABAQUS by considering linear elastic behavior for all the layers. According to this model, when the depth of a structural model is equal to 6 meters, there is a good agreement between the ABAQUS and KENLAYER results. In this model, the thickness of the pavement is equal to 30 centimeters, and the thickness of the subgrade is equal to 5.7 meters. Then, the viscoelastic behavior is considered for the asphalt concrete layer, and the results from KENLAYER and ABAQUS are compared with each other. The results indicate that the type of viscoelastic model applied to an asphalt concrete layer has a significant effect on the prediction of pavement responses and, logically, the predicted performance of a pavement.

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23

Li, Jia Cheng, Jing Ji i Yi Xin Yuan. "Development of Conversion Program from ETABS to ABAQUS". Applied Mechanics and Materials 204-208 (październik 2012): 4780–84. http://dx.doi.org/10.4028/www.scientific.net/amm.204-208.4780.

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ETABS has a powerful 3D modeling platform and ABAQUS provides an efficient explicit solver. By combining the advantages of ETABS and ABAQUS, this study found the difference in their model data files and used the MATLAB software to compile the conversion program, which can directly convert the ETABS models to ABAQUS. Finally, by comparing the calculated results of different analysis software, it is found that the calculated results were basically the same and the conversion process was correct.

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24

Dan, Zhu, i Zheng Yan. "ABAQUS Based on Machining Simulation during Metal Milling". Advanced Materials Research 983 (czerwiec 2014): 226–30. http://dx.doi.org/10.4028/www.scientific.net/amr.983.226.

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Machining of metals make use of thermal mechanical FEM model. Analysis of nonlinear elastoplastic finite element simulation of milling of 45 # steel material use software of ABAQUS that is finite element simulation technology. ABAQUS software could be carried out on prediction of the milling force. Through finite element analysis, distribution of stress field of workpiece and tool is obtained under the influence of thermal mechanical. The prediction accuracy of the model was validated experimentally and the obtained numerical and experimental results were found in good agreement.

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25

Dang, Yu Gong, Xiao Zhong Deng i Bin Wang. "Elastic-Plastic Numerical Simulation of Cold Rotary Forging for Hypoid Gear and the Springback Error". Applied Mechanics and Materials 633-634 (wrzesień 2014): 826–31. http://dx.doi.org/10.4028/www.scientific.net/amm.633-634.826.

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To achieve the effect of anti-fatigue manufacturing for hypoid gear, the author put forward a new type cold rotary forging technology, the method simplifies the die structure and adopts the local line contact continuous plastic forming. Based on the basic theory of elastic-plastic finite element method (FEM),the author uses ABAQUS to carry out numerical simulation of cold rotary forging and discuss how to build finite element geometric model and grid it in detail, and analyse the definition of workpiece material model in ABAQUS and the merger technology of Abaqus / Explicit and Abaqus / Standard. In order to measure springback error accurately, the alveolar surface shap after springback was got through the technology of surface reconstruction, it was put into Geomagic Qualify software and compare with target CAD model,then the springback error can befully assessed through comparing results.The examles proof that ABAQUS can simulate the deformation and springback process accurately, springback error of cold rotary forging can not be ignored,so springback error must be compensated.

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26

Jiang, Jun Sheng. "Analysis on Wet Multi-Disc Brake Based on ABAQUS". Advanced Materials Research 421 (grudzień 2011): 427–30. http://dx.doi.org/10.4028/www.scientific.net/amr.421.427.

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In this paper, take the wet multi-disc brake of underground engineering truck as research object, combined with the complex modal analysis theory and FEM, and establish the FEM model of the wet multi-disc brake based on ABAQUS. Through complex modal analyzing on the wet multi-disc brake, obtain the main factors of brake noise during braking and provide improved measures to decrease the brake noise combined with analysis results. It provides a theoretical basis in the design of wet multi-disc brakes and has a practical engineering significance.

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27

Darmayadi, Danna, i Iman Satyarno. "Finite element modeling of masonry wall with mortar 1pc : 4 lime : 10 sand under lateral force". MATEC Web of Conferences 258 (2019): 05019. http://dx.doi.org/10.1051/matecconf/201925805019.

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This paper gives a detailed presentation of three-dimensional Finite Element Model that has been constructed for Masonry Wall under lateral force by using Abaqus software. This research aimed to investigate the behavior of Masonry Walls under lateral force and developed load-displacement curve. From the result that The numerical model using the Abaqus Software can represent the load-displacement curve of Masonry Walls due to lateral forces, Numerical Results with the Abaqus Software obtained that the magnitude of the load on condition of Plastic is 82.13 KN and experimental results obtained of 81 KN. There is a difference of 1.4%, Based on Abaqus Software with Numerical results obtained a compressive strength of masonry wall fm = 1.8 MPa with a modulus of elasticity = 150 MPa, Calculation of the natural frequency of structures with Abaqus Software is obtained as the difference of 2.13-2.92% with the test results Hakas (2017)

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28

Jian, Li. "Based on ABQUS of Concrete Structure Nonlinear Finite Element Analysis". Advanced Materials Research 756-759 (wrzesień 2013): 186–89. http://dx.doi.org/10.4028/www.scientific.net/amr.756-759.186.

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Based on the finite element analysis software ABAQUS, the nonlinear analysis of a reinforced concrete beam was carried out In this simple beam analysis, the concrete damage plasticity model in ABAQUS has been introduced thoroughly. Finally, the results of the experimentation and the ABAQUS analysis were compared in a diagram, accordingly reasons of the result difference between the two methods were discussed about, which can be a useful reference for the further study of the finite element analysis on ABAQUS.

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Li, Ben-ben, Hai-bei Xiong, Jia-fei Jiang i Yang Zhan. "Damage plasticity model for passively confined concrete". MATEC Web of Conferences 275 (2019): 02016. http://dx.doi.org/10.1051/matecconf/201927502016.

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This paper presents a modified concrete damage plasticity model (CDPM) for passively confined concrete within the concrete damage plasticity theory frame in ABAQUS. The modified CDPM can be used to simulate concrete under non-uniform passive confinement, for example, Fiber-reinforced polymer (FRP)-confined square concrete columns. The modification of CDPM includes a flow rule and a strain hardening/softening criterion in which dilation angle and yield stress are important parameters. Based on the true-triaxial experiment results of passively confined concrete, the dilation angle and yield stress were determined considering different confinement stiffness and non-uniform confinement stiffness ratio. Finally, the modified CDPM were incorporated in the ABAQUS model. The prediction of the finite element model of FRP-confined square concrete columns shows good prediction accuracy.

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30

Nguyen, Xuan Bang, i Tri Ta Nguyen. "Using the Simplified Concrete Damage Plasticity Model in Studying the Penetration Depth in Concrete". Defect and Diffusion Forum 415 (27.04.2022): 109–14. http://dx.doi.org/10.4028/p-81pkw0.

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This paper, with the simplified concrete damage plasticity (SCDP) model, studying the penetration depth of steel projectile in the concrete block by Abaqus software. Comparing the results calculated by Abaqus software with the Modified NDRC formula to check the reliability of the computational model and material model. From there, studying the effect of concrete strength on penetration depth in concrete B20, B30, B40, B50.

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31

Sang, Nan. "Improving Design of Automobile Drive Axle Housing Base on ABAQUS". Applied Mechanics and Materials 33 (październik 2010): 79–83. http://dx.doi.org/10.4028/www.scientific.net/amm.33.79.

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This paper uses Pro/E to establish three-dimensional geometric model of drive axle housing, and then introduces it into ABAQUS for FEA, The analyzing result of ABAQUS software is used to improve drive axle housing. Has not appeared axle housing dehiscence phenomenon according to the ABAQUS software analysis result improvement driving axle housing in the practice, has achieved the improvement design goal.

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Chen, Tian Jiao, Yong Quan Wang i Wahab Abdul Ghafar. "Simulation Analysis of Chemically Bonded Anchors in ABAQUS". Key Engineering Materials 744 (lipiec 2017): 174–78. http://dx.doi.org/10.4028/www.scientific.net/kem.744.174.

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At present, the finite element analysis has been an effective method to study the mechanical properties of steel bar drawing. In this paper, finite element analysis of the influence of bond strength on anchorage performance with concrete plastic damage model based on nonlinear analysis in ABAQUS was carried out. The finite-element analysis model of the single bar was established by using the finite element software ABAQUS. The Spring2 nonlinear spring element was introduced to simulate the interface of concrete and adhesive. Chemical anchorage bond slip constitutive model was determined by Spring2 element real constants. The nonlinear characteristics of concrete materials under the single reinforcement drawing could be described with the combination of the concrete plastic damage constitutive mode and nonlinear finite element methods. The nonlinear behavior of concrete under uniaxial tension of the action, especially the crack and stress distribution, could be accurately described. In order to study the influence of adhesive bond strength of chemically-bonded rebar mechanical properties, the constitutive relation of the bonded rebar slip of test results was referenced. The nonlinear property of spring was assigned by the bond slip relationship, embodied in the F-D curve of the spring. In order to analysis the influence of bond strength on anchorage performance, the slope of linear growth stage and the peak of nonlinear growth stage in bond slip relationship curve were changed.

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Yu, Xia, Xu Yao Sun i Dan Ke Wei. "Simulation of High-Speed Cutting Process Based on ABAQUS". Advanced Materials Research 230-232 (maj 2011): 1221–25. http://dx.doi.org/10.4028/www.scientific.net/amr.230-232.1221.

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Using the separation line technology, established a FE model of two-dimensional cutting process for AISI4340 steel and discussed some basic theory and pivotal questions associated with the simulation of cutting process including the Johnson-Cook material model, the contact model between tool and chip, criteria of chip separation and so on. In order to study the impact of tool rake angle on the chip morphology and the cutting forces, the high-speed cutting process for AISI 4340 steel was simulated based on ABAQUS software. Also, analyzed the influence of mesh azimuth on the chip morphology and its temperature distribution.

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Cuamatzi-Melendez, Ruben, i J. R. Yates. "Transferability of the Gurson Damage Model Parameters with Charpy and Tensile Tests with Different Constrain Level". Advanced Materials Research 65 (marzec 2009): 19–31. http://dx.doi.org/10.4028/www.scientific.net/amr.65.19.

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Little work has been published concerning the transferability of Gurson’s ductile damage model parameters in specimens tested at different strain rates and in the rolling direction of a Grade A ship plate steel. In order to investigate the transferability of the damage model parameters of Gurson’s model, tensile specimens with different constraint level and impact Charpy specimens were simulated to investigate the effect of the strain rate on the damage model parameters of Gurson model. The simulations were performed with the finite element program ABAQUS Explicit [1]. ABAQUS Explicit is ideally suited for the solution of complex nonlinear dynamic and quasi–static problems [2], especially those involving impact and other highly discontinuous events. ABAQUS Explicit supports not only stress–displacement analyses but also fully coupled transient dynamic temperature, displacement, acoustic and coupled acoustic–structural analyses. This makes the program very suitable for modelling fracture initiation and propagation. In ABAQUS Explicit, the element deletion technique is provided, so the damaged or dead elements are removed from the analysis once the failure criterion is locally reached. This simulates crack growth through the microstructure. It was found that the variation of the strain rate affects slightly the value of the damage model parameters of Gurson model.

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Chen, Xiao Ming, Jin Duan, Hu Qi i Yun Gui Li. "Rayleigh Damping in Abaqus/Explicit Dynamic Analysis". Applied Mechanics and Materials 627 (wrzesień 2014): 288–94. http://dx.doi.org/10.4028/www.scientific.net/amm.627.288.

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In the nonlinear time-history analysis for high-rise building, different damping models may lead to results with great difference. Limited by the stable time increment, the stiffness proportional damping is usually neglected in Abaqus/Explicit, and only a simplified mass proportional damping is used, which can be derived from the fundamental frequency and the critical damping factor. In this paper, the influence on the results of this method has been researched by numerical examples, the numerical results also show that the stiffness proportional damping cannot be neglected. Based on these comparisons, a more reasonable damping model is presented for improving the results of high frequencies.

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Liu, Ying, Xiu Feng Zhang i Yan Ma. "Finite Element Analysis of the Rubber of the Prosthetic Knee Joint". Applied Mechanics and Materials 607 (lipiec 2014): 346–49. http://dx.doi.org/10.4028/www.scientific.net/amm.607.346.

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Rubber played a buffer role in prosthetic knee motion. Rubber bearing is a very complicated process, and rubber material itself is nonlinear. ABAQUS software can able to deal with highly nonlinear problems. Input rubber test data in ABAQUS, selection of constitutive model, and then the finite element model is established, which is calculated, finally obtains compression under different loads.

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Yue, Cai Xu, Zhao Nan Zhong, Ming Ming Yu, Xian Li Liu, Hui Ze Feng i Fu Gang Yan. "High-Speed Cutting Finite Element Model Parametric Modeling Based on ABAQUS". Materials Science Forum 800-801 (lipiec 2014): 353–57. http://dx.doi.org/10.4028/www.scientific.net/msf.800-801.353.

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In traditional model of high-speed cutting, each modeling or modify process, material parameters input, boundary conditions set take up a lot of time, the solution process has blindness and not easy to operate. this article uses the python language, based on ABAQUS to secondary development of cutting simulation model in pre-treatment, establish exclusive two-dimensional cutting simulation interface, realization the parametric settings of tool angle, the size of the tool and the workpiece, cutting parameters, parametric design can shorten the time of modeling, and lay the foundation for the establishment of the high efficiency and high accuracy of the simulation model.

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Yi, Long, Yun Peng, Hou Quan Hong i Yu Liang Li. "The Secondary Development of Nonlinear Viscoelastic Constitutive Model Based on ABAQUS". Applied Mechanics and Materials 138-139 (listopad 2011): 466–70. http://dx.doi.org/10.4028/www.scientific.net/amm.138-139.466.

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Based on the subroutine VUMAT, user-defined material model in the nonlinear finite element software ABAQUS/EXPLICIT, a nonlinear viscoelastic constitutive model is developed. The validify of the subroutine has been proven through the standard uniaxial tensile model. The shortage of finite element softwares which only have linear viscoelastic constitutive model is remedied. This paper presents the process of developing a material constitutive model and some useful technology. It can be referred for extending the material constitutive model in finite element softwares.

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Qingfu, Li, Guo Wei i Kuang Yihang. "Parameter calculation and verification of concrete plastic damage model of ABAQUS". IOP Conference Series: Materials Science and Engineering 794 (15.05.2020): 012036. http://dx.doi.org/10.1088/1757-899x/794/1/012036.

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Xiao, Jun, Kai Qiang Zhou, Ren Zhou, Zhen Dong Lu, Meng Meng Yang i Mo Zhou. "Construction of Contact Model of Wheelset Assembly Surface Based on ABAQUS". Applied Mechanics and Materials 577 (lipiec 2014): 236–39. http://dx.doi.org/10.4028/www.scientific.net/amm.577.236.

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In order to improve quality of wheelset assembly, a method for calculating interference between two sliding asperities that corresponding to the wheelset assembly interference is presented. A finite element model of sliding spherical asperity has been built with the finite element software ABAQUS to analyze the interaction among mating surface roughness, stress-strain state and press-fit curve. This study shows that final fitting force greatly increases with roughness when roughness is lower then 1.8μm and it is unpredicted when roughness is higher. Contact stress and friction coefficient between mating surfaces increase with roughness.

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Li, Hai, Wen Guo Shang, Dan Na Liu i Wei Wang. "Numerical Simulation of Mould Plate Trolley by ABAQUS". Applied Mechanics and Materials 744-746 (marzec 2015): 1015–20. http://dx.doi.org/10.4028/www.scientific.net/amm.744-746.1015.

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This paper is to study the feasibility and mechanical properties of the tunnel trolley in Yangdan mountain. Analyze the internal force and deformation of the trolley and template with the ABAQUS, and the results show that the internal force of the model is much less than yield stress. Therefore, the structure is very safe.

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Liu, Kai, Ming Jiang i Fei Peng. "Optimal Design of Conductor Clamps Based on Abaqus". Advanced Materials Research 915-916 (kwiecień 2014): 244–47. http://dx.doi.org/10.4028/www.scientific.net/amr.915-916.244.

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Three dimensional models and finite element models of conductor clamps are built in software Solidworks and Abaqus. Different forces are loaded on finite element model of conductor clamps to obtain distributions of stress and displacement. Optimal design of conductor clamps is performed with finite element analysis and field test data. The results show that optimal design scheme achieves optimal target.

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Temsah, Yehya, Ali Jahami, Jamal Khatib i M. Sonebi. "Numerical analysis of a reinforced concrete beam under blast loading". MATEC Web of Conferences 149 (2018): 02063. http://dx.doi.org/10.1051/matecconf/201814902063.

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The types of Dynamic loads that might face an engineer during any design procedure vary. One of these loads is the explosion's pressure on buildings which is in other words the blast load. This research has examined the possibility of using a finite element method as a tool for predicting the dynamic response of blast loaded reinforced concrete beams. In this study, the advanced software, ABAQUS is used in order to model materials and consider the material nonlinearity, stiffness degradation and strain rate effects. Experimental results for several beams under explosion are chosen to be modeled and verified using ABAQUS. These experiments were carried out at the National University of Defense Technology in China. The results show that the material properties of concrete under impact loads (high strain rates) can be well defined in ABAQUS. Also the built in model CONWEP for blast load in ABAQUS can be used in the simulation process with an acceptable error.

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Yu, X. J., Zhen Fang, Shan Yong Wang, Yun Yan i Jian Hua Yin. "A Simple Plastic-Damage Model for the Cement-Soil Admixture". Key Engineering Materials 353-358 (wrzesień 2007): 1145–48. http://dx.doi.org/10.4028/www.scientific.net/kem.353-358.1145.

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An Elastic Plastic-Damage (EPD) model is developed to model the softening behaviour of the cement-soil admixture based on continuous damage mechanics. The softening behaviour is considered to be characteristic outcome of the material degradation due to damage in material. Material degradation is modelled by reducing progressively the stiffness and yield stress of the material when the damage variable has attained a critical index. The basic equations of the model are derived and presented. A Fortran program for this model has been developed and implemented into a finite element code ABAQUS. In order to evaluate the applicability of this model, several unconfined compression tests are simulated using ABAQUS with this model. The computed results are compared with measured data and good agreement is achieved.

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Luan, Zhao Jian, Qiang Xin i Yan Min Jia. "Analysis of Model Test Data for CFG Group Piles in Permafrost Areas". Applied Mechanics and Materials 501-504 (styczeń 2014): 16–19. http://dx.doi.org/10.4028/www.scientific.net/amm.501-504.16.

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In this paper, the author simulates geological conditions of permafrost areas, establi-shes CFG group piles indoor model, observes the pile and frozen soil temperature field, then compares the calculated results of the group piles and frozen soil temperatures under concrete hydration heat effect by using ABAQUS with the measured temperature data, thus determines the applicability of ABAQUS for analysis of CFG group piles temperature in permafrost areas, in order to analyze temperature distribution regularities of group piles and frozen soil under concrete hydration heat effect, thermal perturbation range of CFG group piles in permafrost areas, and effects of different concrete molding temperature on model temperature field.

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Zhao, Yong Sheng, Jing Yang, Xiao Lei Song i Zi Jun Qi. "Modal Analysis of BT Spindle-Toolholder Interface Based on Abaqus/Standard". Advanced Materials Research 662 (luty 2013): 632–36. http://dx.doi.org/10.4028/www.scientific.net/amr.662.632.

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The quality of high speed machining is directly related to dynamic characteristics of spindle-toolholder interface. The paper established normal and tangential interactions of BT spindle-toolholder interface based on finite element contact theory, and analysed free modal in Abaqus/Standard. Then the result was compared with the experimental modal analysis. It shows that the finite element model is effective and could be applied in the future dynamic study of high-speed spindle system.

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Trung, Nguyen Tuan, i Pham Thanh Tung. "Investigation of the effects of opening size and location on punching shear resistance of flat slabs using Abaqus". Journal of Science and Technology in Civil Engineering (STCE) - HUCE 15, nr 4 (31.10.2021): 136–47. http://dx.doi.org/10.31814/stce.huce(nuce)2021-15(4)-12.

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The paper presents a numerical study on the effects of opening size and location on punching shear resistance of flat slabs without drop panels and shear reinforcement using ABAQUS. The study proposes an ABAQUS model that is enable to predict the punching shear resistance of flat slabs with openings. The model is validated well with the experimental data in literature. Using the validated numerical model, the effects of opening size and location on the punching shear resistance of flat slabs are then investigated, and the numerical results are compared with those predicted by ACI 318-19 and TCVN 5574:2018. The comparison between experimental and numerical results shows that the ABAQUS model is reliable. The punching shear resistances calculated by ACI 318-19 and TCVN 5574:2018 with different opening sizes and locations are agreed well to each other, since the design principles between two codes now are similar.

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Cui, Huiru, i Weili Ma. "Mixed Cohesive Zone Modeling of Interface Debonding between Propellant and Insulation". International Journal of Aerospace Engineering 2022 (19.01.2022): 1–18. http://dx.doi.org/10.1155/2022/8772468.

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High-quality interface between propellant and insulation is the strict requirement difficult to quantify in solid rocket motor. In this study, the mixed mode delamination process of propellant and insulation interface is considered in double cantilever sandwich beam (DCSB) and single lap-joint (SLJ) test. The PPR cohesive zone model (CZM) and bilinear CZM in ABAQUS are introduced in this mixed fracture progress. In order to implement the PPR model in ABAQUS, user subroutine user element (UEL) is programmed for the novel CZM. Two simple pure mode I and mode II fracture problems are designed to check the accuracy of the UEL, and the result of verification is excellent. DCSB and SLJ test and their corresponding results are used again in the same inverse analysis with the two typical effective displacement-based and potential-based CZM. Base on the results, a series discussion and some conclusions are made. The debonding progress of the propellant and insulation interface in DCSB and SLJ test are mixed mode. The PPR CZM is prior in simulation than the bilinear CZM in ABAQUS because the PPR CZM is much more flexible with changeable traction-separation shape. The real normal and tangential displacement at damage initiation shows the unreasonable change in bilinear CZM in ABAQUS under mixed mode fracture. The PPR CZM and bilinear CZM in ABAQUS are all thickness-dependent model. The real initial stiffness and the critical displacement in the bilinear CZM and the real maximum traction in PPR model are dependent on the thickness of cohesive element. The different thickness dependence of the two model is caused by the implementation method.

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Liu, Jun, Xing Feng Wang i Xue Ping Chang. "Seepage-Stress Analysis on Oilfield Based on Numerical Simulation". Applied Mechanics and Materials 170-173 (maj 2012): 1017–20. http://dx.doi.org/10.4028/www.scientific.net/amm.170-173.1017.

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Using the finite element software ABAQUS, the stress field in one low permeability reservoir is investigated. Genetic algorithm is used to determine the initial stress boundary of the reservoir, seepage-stress element CPE4P in ABAQUS is used to model the rock and beam element B31 is used to model the well group. The numerical simulation results indicate that casing damage can be predicted effectively using the method in this paper.

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Superczyńska, M., K. Józefiak i A. Zbiciak. "Numerical Analysis of Diaphragm Wall Model Executed in Poznań Clay Formation Applying Selected Fem Codes". Archives of Civil Engineering 62, nr 3 (1.09.2016): 207–24. http://dx.doi.org/10.1515/ace-2015-0093.

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Abstract The paper presents results of numerical calculations of a diaphragm wall model executed in Poznań clay formation. Two selected FEM codes were applied, Plaxis and Abaqus. Geological description of Poznań clay formation in Poland as well as geotechnical conditions on construction site in Warsaw city area were presented. The constitutive models of clay implemented both in Plaxis and Abaqus were discussed. The parameters of the Poznań clay constitutive models were assumed based on authors’ experimental tests. The results of numerical analysis were compared taking into account the measured values of horizontal displacements.

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