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Journal articles on the topic 'Non linear FEM analysis'

Author: Grafiati

Published: 18 April 2022

Last updated: 30 July 2025

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1

Chekhov, V. V. "Tensor-based matrices in geometrically non-linear FEM." International Journal for Numerical Methods in Engineering 63, no. 15 (2005): 2086–101. http://dx.doi.org/10.1002/nme.1343.

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2

Pecník, Miroslav, Viktor Borzovič, and Kamil Laco. "Non-Linear FEM Analysis of Integral Bridges Transition Area." Solid State Phenomena 259 (May 2017): 152–57. http://dx.doi.org/10.4028/www.scientific.net/ssp.259.152.

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The transition area of bridges is non-homogeneous solid, which consists of soil embankment, transition slab and roadway layers. These transition area elements consist of various materials with different properties. Besides the imposed loads, behavior of these areas is significantly affected by uneven settlement between the bridge abutment and soil embankment. In case of integral bridges horizontal movements of a bridge caused mostly by temperature and ongoing rheological phenomena in concrete have to be taken into account. This leads to abutment deformation in combination with time dependent s

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3

De Luca, V., and A. Della Chiesa. "A Creep Non-Linear FEM Analysis of Glulam Timber." Mechanics of Advanced Materials and Structures 20, no. 6 (2013): 489–96. http://dx.doi.org/10.1080/15376494.2011.627643.

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4

Honda, Riki, Hisakazu Sakai, and Sumio Sawada. "Non-iterative time integration scheme for non-linear dynamic FEM analysis." Earthquake Engineering & Structural Dynamics 33, no. 1 (2003): 111–32. http://dx.doi.org/10.1002/eqe.341.

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5

Kim, Jung-Ho, Chi-Joong Kim, Cheon-Seok Cha, and Ji-Hoon Kim. "Recalculation Research of Material properties for CFRP FEM Non-linear Analysis." Journal of manufacturing engineering & technology 21, no. 4 (2012): 608–12. http://dx.doi.org/10.7735/ksmte.2012.21.4.608.

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6

Iatan, George Ciprian, Elisabeta Burlacu, and Leonard Dmnişoru. "Non-linear FEM analysis for ship panels under thermal loads." Analele Universităţii "Dunărea de Jos" din Galaţi. Fascicula XI, Construcţii navale/ Annals of "Dunărea de Jos" of Galati, Fascicle XI, Shipbuilding 43 (December 15, 2020): 95–102. http://dx.doi.org/10.35219/annugalshipbuilding.2020.43.12.

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During the past decade, welding remained the main technological procedure for joining steel components in shipbuilding industry. Though it has great benefits, welding is an aggressive process that introduces high stress and strains in the joined materials, causing distortion. Finite element method is an important instrument for predicting how structures are behaving under thermal loads. This paper is focused on studying the behaviour of small thickness ship panels, under straightening treatment, by performing thermal-structural-elastic-plastic analysis in Femap/NX Nastran. The proposed panel i

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7

Zhao, Jun, Li Jun Wang, and Dan Ying Gao. "Non-Linear FEM Analysis of Steel Fiber Reinforced Concrete Shearwall." Advanced Materials Research 163-167 (December 2010): 1551–54. http://dx.doi.org/10.4028/www.scientific.net/amr.163-167.1551.

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The numerical simulation by nonfinear finite element method(FEM) was adopted to analyze the behavior and the influences of the fraction of steel fiber by volume fraction and the strength of steel fiber reinforced concrete on the bearing capacity and the ductility of reinforced concrete shearwalls. The results show that with the increase of the fraction of steel fiber by volume fraction, the bearing capacity and ductility coefficient of steel fiber reinforced concrete shearwalls increase gradually. With the increase of the strength of steel fiber reinforced concrete, the bearing capacity and du

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8

Righi, L. A., P. I. Koltermann, N. Sadowski, et al. "Non-linear magnetic field analysis by FEM using Langevin function." IEEE Transactions on Magnetics 36, no. 4 (2000): 1263–66. http://dx.doi.org/10.1109/20.877670.

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9

Parida, Smita, and Sukesh Chandra Mohanty. "Vibration analysis of FG rotating plate using nonlinear-FEM." Multidiscipline Modeling in Materials and Structures 15, no. 1 (2019): 26–49. http://dx.doi.org/10.1108/mmms-11-2017-0141.

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Purpose The purpose of this paper is to investigate the linear and non-linear free vibration of a functionally graded material (FGM) rotating cantilever plate in the thermal environment. The study employs the development of a non-linear mathematical model using the higher order shear deformation theory in which the traction free condition is applied to derive the simplified displacement model with seven field variables instead of nine. Design/methodology/approach A mathematical model is developed based on the higher order shear deformation theory using von-Karman type non-linearity. The rotati

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10

Tuan Ya, T. M. Y. S., Reza Alebrahim, Nadziim Fitri, and Mahdi Alebrahim. "Analysis of Cantilever Beam Deflection under Uniformly Distributed Load using Artificial Neural Networks." MATEC Web of Conferences 255 (2019): 06004. http://dx.doi.org/10.1051/matecconf/201925506004.

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In this study the deflection of a cantilever beam was simulated under the action of uniformly distributed load. The large deflection of the cantilever beam causes the non-linear behavior of beam. The prupose of this study is to predict the deflection of a cantilever beam using Artificial Neural Networks (ANN). The simulation of the deflection was carried out in MATLAB by using 2-D Finite Element Method (FEM) to collect the training data for the ANN. The predicted data was then verified again through a non linear 2-D geometry problem solver, FEM. Loads in different magnitudes were applied and t

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11

Jyoti, S. Tekavde* Dr. S.S. Angalekar. "NON LINEAR BUCKLING ANALYSIS OF REINFORCED CONCRETE WALL BY USING DIFFERENT PARAMETERS." INTERNATIONAL JOURNAL OF ENGINEERING SCIENCES & RESEARCH TECHNOLOGY 5, no. 7 (2016): 676–81. https://doi.org/10.5281/zenodo.57156.

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Structural walls are used worldwide to resist gravity and earthquake loads. Buckling of longitudinal bars is one of the types of damage in reinforced concrete (RC) structures subjected to axial compressive loading. The aim is to study non linear buckling behavior of reinforced concrete wall by using finite element model. G+20 storey residential building is analysed by response spectrum method and secondly, the ground structure shear wall is to be analyzed which having maximum axial load for buckling behaviour. This paper investigates effect of several parameters which is affecting to the behav

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12

del Coz Díaz, J. J., P. J. García Nieto, D. Castro Fresno, and E. Blanco Fernández. "Non-linear analysis of cable networks by FEM and experimental validation." International Journal of Computer Mathematics 86, no. 2 (2009): 301–13. http://dx.doi.org/10.1080/00207160801965339.

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13

SAKURAI, Masato, Tomoya MATSUI, and Hiroshi KURAMOTO. "NON-LINEAR FEM ANALYSIS FOR RC SHEAR WALLS WITH MULTI-OPENINGS." Journal of Structural and Construction Engineering (Transactions of AIJ) 74, no. 639 (2009): 915–23. http://dx.doi.org/10.3130/aijs.74.915.

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14

Annasiwaththa, Buddhika, and Koichi Oka. "B206 Initial design and FEM analysis of a non-contact power transfer method for magnetically levitated linear slider." Proceedings of the Symposium on the Motion and Vibration Control 2015.14 (2015): 297–301. http://dx.doi.org/10.1299/jsmemovic.2015.14.297.

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15

Koleva, Miglena. "FINITE ELEMENT SOLUTION OF BOUNDARY VALUE PROBLEMS WITH NONLOCAL JUMP CONDITIONS." Mathematical Modelling and Analysis 13, no. 3 (2008): 383–400. http://dx.doi.org/10.3846/1392-6292.2008.13.383-400.

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We consider stationary linear problems on non‐connected layers with distinct material properties. Well posedness and the maximum principle (MP) for the differential problems are proved. A version of the finite element method (FEM) is used for discretization of the continuous problems. Also, the MP and convergence for the discrete solutions are established. An efficient algorithm for solution of the FEM algebraic equations is proposed. Numerical experiments for linear and nonlinear problems are discussed.

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16

Xu, T., W. Meijers, SJH Meijers, and R. Verlinde. "Non-linear dynamic analysis of Collapsed grandstand." Journal of Physics: Conference Series 2647, no. 16 (2024): 162003. http://dx.doi.org/10.1088/1742-6596/2647/16/162003.

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Abstract On the 17th of October 2021 a grandstand of the Goffert stadium partially collapsed while a crowd was jumping on it. It was concluded that the main reason of the collapse was that the load of a jumping crowd exceeded the design load of 4 kN/m2, as specified in the NEN 6702. The load also exceeds the current design load of 5 kN/m2 NEN-EN 1991-1-1. A geometrically and physically non-linear finite element (FEM) model was used to obtain the backbone curve of the response of the grandstand. The push-down analysis was force-controlled to allow the grandstand to rotate and deform freely, so

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17

Coda, Humberto Breves, and Wilson Sérgio Venturini. "BEM/FEM non-linear model applied to transient analysis with viscous damping." Journal of the Brazilian Society of Mechanical Sciences 21, no. 3 (1999): 519–36. http://dx.doi.org/10.1590/s0100-73861999000300013.

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18

del Coz Díaz, J. J., P. J. García Nieto, J. A. Vilán Vilán, and J. L. Suárez Sierra. "Non-linear buckling analysis of a self-weighted metallic roof by FEM." Mathematical and Computer Modelling 51, no. 3-4 (2010): 216–28. http://dx.doi.org/10.1016/j.mcm.2009.08.032.

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19

ZIELNICA, J., A. ZIÓŁKOWSKI, and C. CEMPEL. "NON-LINEAR VIBROISOLATION PADS DESIGN, NUMERICAL FEM ANALYSIS AND INTRODUCTORY EXPERIMENTAL INVESTIGATIONS." Mechanical Systems and Signal Processing 17, no. 2 (2003): 409–22. http://dx.doi.org/10.1006/mssp.2000.1361.

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20

Meleshko, Vladimir. "Software complexes and new approaches to non-linear analysis of framed structures." SHS Web of Conferences 44 (2018): 00061. http://dx.doi.org/10.1051/shsconf/20184400061.

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There is a great number of non-linear tasks which can be solved with the use of computer-based simulation and finite elements method (FEM). But in order to ensure high speed and accuracy of calculations it is necessary to use new mathematical models and algorithms. The analysis of the known FEM forms and approaches to numerical solution of tasks based on force method is performed in this work. Represented in the document is formulation of the finite-element stress method and algorithmization of the classical force method for calculation of framed structures based on the equation of strain comp

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21

Zhu, Tie Mei, Yan Hua Ye, Wei Wei, Wei Qing Liu, and Zi Jun Wang. "Non-Linear Finite Element Analysis on Composite Shear Wall with Opening." Advanced Materials Research 446-449 (January 2012): 203–7. http://dx.doi.org/10.4028/www.scientific.net/amr.446-449.203.

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A new composite structure system is proposed in this paper to suit the demand of building energy conservation and heat preservation. Based on the low reversed cyclic loading test, the non-linear finite element (FEM) analysis model of composite shear wall is established by ANSYS so as to study crack status, stress variation characteristics and failure process under the action of horizontal loading. The results of ANSYS finite element analysis show good agreement with the test results.

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22

Soares Jr, D., O. von Estorff, and W. J. Mansur. "Efficient non-linear solid-fluid interaction analysis by an iterative BEM/FEM coupling." International Journal for Numerical Methods in Engineering 64, no. 11 (2005): 1416–31. http://dx.doi.org/10.1002/nme.1408.

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23

Jankowski, Robert. "Non-linear FEM analysis of pounding-involved response of buildings under non-uniform earthquake excitation." Engineering Structures 37 (April 2012): 99–105. http://dx.doi.org/10.1016/j.engstruct.2011.12.035.

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24

Ali, Benouis, Zahi Rachid, Moulgada Abdelmadjid, and Djebbar Noureddine. "LINEAR AND NON-LINEAR ANALYSES OF PRESSURE PIPE ELBOWS." Journal of the Serbian Society for Computational Mechanics 17, no. 1 (2023): 71–87. http://dx.doi.org/10.24874/jsscm.2023.17.01.05.

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The introduction of pressure piping increasingly requires the use of efficient materials which must withstand both high hydrostatic pressures, high mechanical loads and high thermal gradients. At nuclear power plants, piping systems are subjected to high pressures (up to 60 MPa). The occurrence of cracks and their possible spread is one of the serious risks in the industry. For this reason, elbows are considered critical components of a piping system. Therefore, in order to design and/or qualify a pipe structurally, it is useful to have a reliable evaluation of their structural behavior under

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25

Ummidi, Mohan Satish Kumar* C. H. Vinod Kumar. "NONLINEAR BEHAVIOUR OF CYLINDRICAL WALL OF GROUND ELEVATED EMPTY RC SILO UNDER WIND LOAD." INTERNATIONAL JOURNAL OF ENGINEERING SCIENCES & RESEARCH TECHNOLOGY 5, no. 12 (2016): 339–45. https://doi.org/10.5281/zenodo.199563.

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Nonlinear analysis of civil structures gives as an analyst’s tool and entered the practicalworld of design engineering. Most FEA applications undertaken by design engineers were limited to linear analysis.It has been demonstrated that the ultimate strengths of some typical two-story planar frames (under gravity loads) determined by inelastic analysis are 10–30% higher than those estimated from the first-hinge elastic approach. Design of silos using the nonlinear analysis has described in this thesis. In this thesis it has shown that nonlinear analysis of two models i.e., Model 2.3 and Model 2.

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26

Šrámek, Miroslav, and Josef Novák. "Non-Linear Analysis of Precast Concrete Element for Airport Pavement." Solid State Phenomena 292 (June 2019): 153–58. http://dx.doi.org/10.4028/www.scientific.net/ssp.292.153.

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The paper focuses on structural design of a precast concrete element used for an innovative precast concrete pavement system for airports which is being developed within an ongoing project at Faculty of Civil Engineering CTU in Prague. The object of the structural design consists in designing reinforcement for the selected element with respect to crack width, tensile stress limitation in reinforcement and compressive stress limitation in concrete. The amount of reinforcement is highly affected by both applied load and the presence of imperfection in pavement bedding. In order to examine the be

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27

Lee, Yong-Sang, Kyoung-Tak Kang, and Dong-Hoo Han. "The non-linear FEM analysis of different connection lengths of internal connection abutment." Journal of Korean Academy of Prosthodontics 54, no. 2 (2016): 110. http://dx.doi.org/10.4047/jkap.2016.54.2.110.

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28

Jameel, Mohammed, A. B. M. Saiful Islam, Raja Rizwan Hussain, Syed Danish Hasan, and M. Khaleel. "Non-linear FEM analysis of seismic induced pounding between neighbouring multi-storey structures." Latin American Journal of Solids and Structures 10, no. 5 (2013): 921–39. http://dx.doi.org/10.1590/s1679-78252013000500004.

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29

del Coz Díaz, J. J., P. J. García Nieto, C. Betegón Biempica, and G. Fernández Rougeot. "Non-linear analysis of unbolted base plates by the FEM and experimental validation." Thin-Walled Structures 44, no. 5 (2006): 529–41. http://dx.doi.org/10.1016/j.tws.2006.04.008.

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30

del Coz Díaz, J. J., P. J. García Nieto, M. Fernández Rico, and J. L. Suárez Sierra. "Non-linear analysis of the tubular ‘heart’ joint by FEM and experimental validation." Journal of Constructional Steel Research 63, no. 8 (2007): 1077–90. http://dx.doi.org/10.1016/j.jcsr.2006.10.003.

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31

Mahapatra, T. R., and S. K. Panda. "Thermoelastic Vibration Analysis of Laminated Doubly Curved Shallow Panels Using Non-Linear FEM." Journal of Thermal Stresses 38, no. 1 (2014): 39–68. http://dx.doi.org/10.1080/01495739.2014.976125.

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32

Sviličić, Šimun, and Smiljko Rudan. "Modelling Manoeuvrability in the Context of Ship Collision Analysis Using Non-Linear FEM." Journal of Marine Science and Engineering 11, no. 3 (2023): 497. http://dx.doi.org/10.3390/jmse11030497.

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Ship collisions are rare events that may have a significant impact on the safety of people, ships, and other marine structures, as well as on the environment. Because of this, they are extensively studied but events that just precede collision are often overlooked. To rationally assess collision risks and consequences, a ship’s trajectory, and consequently the velocity and collision angle, should be known. One way to achieve this is through accurate modelling of ship manoeuvrability in collision analysis using non-linear FEM (NFEM). The Abkowitz manoeuvring model is implemented in the LS-Dyna

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33

Wahab, Magd A. "Finite element modelling of several physical engineering problems." International Journal Sustainable Construction & Design 1, no. 1 (2010): 30–39. http://dx.doi.org/10.21825/scad.v1i1.20392.

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This paper presents the application of the Finite Element Method (FEM) to a wide range of physical engineering problems and analysis types. It summarises some of the research works carried out by the author using FEM. The types of analysis, which are coved in this paper, include linear and non-linear stress analysis, heat transfer analysis, diffusion analysis, coupled thermal-stress and coupled diffusionstress analysis, fracture mechanics analysis and modelling of macro-cracks, fatigue damage initiation and crack propagation analysis, modal analysis, transient dynamics analysis and traffic flo

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34

Liu, Jian Hui, Sheng Nan Wang, Ya Bing Lu, and Zong Zheng Huang. "FEM Analysis of Stress Intensity Factors of Crack Tip." Applied Mechanics and Materials 685 (October 2014): 224–27. http://dx.doi.org/10.4028/www.scientific.net/amm.685.224.

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Finite element method is used to analysis two-dimensional compact tension specimens which is made of 304 stainless steel and calculate stress intensity factors by J-integral. The effects of loading magnitude and crack length on stress intensity factors are analyzed. Meanwhile the errors between finite element method and empirical formula are considered. The results calculated by the finite element method and the results obtained with the empirical formula have a small difference and the error locates the allowable range. The results show that the stress intensity factors K1 and loading amplitu

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35

Romero, A., P. Galvín, and J. Domínguez. "3D non-linear time domain FEM–BEM approach to soil–structure interaction problems." Engineering Analysis with Boundary Elements 37, no. 3 (2013): 501–12. http://dx.doi.org/10.1016/j.enganabound.2013.01.001.

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36

Ševčík, Martin, Jan Poduška, Luboš Náhlík, Jaroslav Kučera, and Pavel Hutař. "Inaccuracy in Residual Stress Estimation and its Influence on the Residual Lifetime of Polymer Pipes." Key Engineering Materials 592-593 (November 2013): 165–68. http://dx.doi.org/10.4028/www.scientific.net/kem.592-593.165.

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This paper presents a methodology suitable for estimation of residual lifetime of polymer pipes. The linear and non-linear distribution of residual stresses in the pipe wall is studied using FEM analysis. The approximate relation for the stress intensity factor calculation is presented. It is shown that the presented relation gives a stress intensity factor similar to the FEM analysis for the linear or non-linear distribution of residual stress. The suggested procedure produces a slightly conservative lifetime estimation where the accuracy of the procedure increases with increasing ratio betwe

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37

Sucharda, Oldrich, and Jan Kubosek. "Analysis of Reinforced Concrete Slab Structures." Applied Mechanics and Materials 769 (June 2015): 97–100. http://dx.doi.org/10.4028/www.scientific.net/amm.769.97.

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The paper deals with the designing and analysing of concrete structures. A particular attention is paid to a multi-segment slab made from reinforced concrete. The purpose of the paper is to evaluate, in a non-linear analysis, impacts of input parameters of the concrete on the real load-carrying capacity of the ceiling which has been designed originally in DeMKP. FEM software applications have been used in the analysis. This is an in-house application DeMKP for designing the systems in line with standardised procedures. Another software is ATENA Science which can be used for non-linear analyses

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38

Tran, Dang-Bao. "Non-Uniform Torsion Behavior of Thin-Walled Beams According to the Finite Element Method." Slovak Journal of Civil Engineering 32, no. 3 (2024): 1–12. http://dx.doi.org/10.2478/sjce-2024-0014.

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Abstract This study is based on a theory for analyzing non-uniform torsion in thin-walled beams made of homogeneous elastic material with arbitrary cross-sections by incorporating the effect of the shear deformation of a cross-section. Utilizing the Finite Element Method (FEM), the proposed numerical approach addresses non-uniform torsion by breaking down a 3D analysis into 2D cross-sectional and 1D modeling components. Initially, the geometric constants of the cross-section were computed using a 9-node isoparametric element in 2D FEM. Subsequently, a 1D FEM employing a linear isoparametric el

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39

Coda, Humberto Breves. "Dynamic and static non-linear analysis of reinforced media: a BEM/FEM coupling approach." Computers & Structures 79, no. 31 (2001): 2751–65. http://dx.doi.org/10.1016/s0045-7949(01)00145-6.

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40

Guan Yanjin, Zhao Guoqun, and Cheng Gang. "3-Dimensional non-linear FEM modeling and analysis of steady-rolling of radial tires." Journal of Reinforced Plastics and Composites 30, no. 3 (2010): 229–40. http://dx.doi.org/10.1177/0731684410391516.

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41

de Cos Juez, F. J., F. Sánchez Lasheras, P. J. García Nieto, and A. Álvarez-Arenal. "Non-linear numerical analysis of a double-threaded titanium alloy dental implant by FEM." Applied Mathematics and Computation 206, no. 2 (2008): 952–67. http://dx.doi.org/10.1016/j.amc.2008.10.019.

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42

Kokkinos, F. T., and J. N. Reddy. "Non-linear analysis of plane elastic bodies with inclusions by a BEM-FEM approach." Communications in Numerical Methods in Engineering 10, no. 7 (1994): 511–21. http://dx.doi.org/10.1002/cnm.1640100703.

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43

Soares, D., and W. J. Mansur. "A time domain FEM approach based on implicit Green's functions for non-linear dynamic analysis." International Journal for Numerical Methods in Engineering 62, no. 5 (2005): 664–81. http://dx.doi.org/10.1002/nme.1210.

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44

Yang, Kang, and Yi Yang. "Simulation of Crack Dynamic Characteristics of Rotor Based on FEM Analysis." Advanced Materials Research 139-141 (October 2010): 2677–80. http://dx.doi.org/10.4028/www.scientific.net/amr.139-141.2677.

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A new simulation method is proposed for dynamic characteristics of cracked rotor based on the finite element analysis, in which the stiffness model has been derived for the exact description of variation rules of cracked shafts. A non-linear dynamic equation is constituted according to stiffness characteristic of cracked-rotor change in time domain. Then the corresponding dynamic equation of the cracked rotor based on FEM analysis is modeled and the numerical simulation is carried out with solutions of high accuracy. At last, the dynamic characteristics of cracked rotor in diverse conditions a

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45

Liu, Jian, Lv Zhou Ma, Yu Qin Yan, and Y. F. Zhao. "A FEM Formulation for Flexible Multi-Body System Dynamic Analysis." Advanced Materials Research 97-101 (March 2010): 2836–39. http://dx.doi.org/10.4028/www.scientific.net/amr.97-101.2836.

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A simple engineering language is used to present a geometrical non-linear formulation based on position description. Velocity, acceleration and strain are achieved directly from nodal position, not displacements. The proposed methodology is based on the minimum potential energy theorem. A non-dimensional space is created and the relative curvature and fibers length are calculated for both reference and deformed configurations and used to directly compute the strain energy at general points. Damping is introduced into the mechanical system by a rheonomic energy functional. The final formulation

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46

Nhu, Ngo Huong. "A numerical analysis for some non-linear constitutive problems in solid mechanics." Vietnam Journal of Mechanics 26, no. 2 (2004): 93–102. http://dx.doi.org/10.15625/0866-7136/26/2/5693.

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The paper deals with the application FEM for solving nonlinear constitutive problems in solid mechanics. The basis equations and algorithms of iterative processing are presented. Some programs written by languages Gibian and special operators in Castem 2000 are established. The problem for the spherical shell made of elasto-plastic material subjected to monotone increasing pressures is solved and calculated results are compared with the theoretical solution and give a good agreement. The influence of the pressure values on the plastic regions of sphere is investigated. The stress, displacement

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47

Viale, Nicola, Giulio Ventura, Paulo B. Lourenço, and Javier Ortega. "Linear and non-linear FEM analyses to assess a shear flat-jack test for masonries." Journal of Building Engineering 43 (November 2021): 103169. http://dx.doi.org/10.1016/j.jobe.2021.103169.

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48

Wang, Xiang Qiu, Zhi Guo Zhou, and Yu Hong Zhang. "Non-Linear FEM Analysis for the Layered Rock-Mass Tunnel Based on the Twin Shear Strength Criterion." Advanced Materials Research 168-170 (December 2010): 152–55. http://dx.doi.org/10.4028/www.scientific.net/amr.168-170.152.

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According to the geotechnical conditions, A FEM model has been established to analyse the mechanical characteristics of the highway tunnel in the layered rock mass. In this model the layered rock mass and the soften joint are simulated by the transversal isotropic material, the interfaces between layers are simulated by the element of rotational Goodman interface, but the interface between the lining structure and surrounding mass is proposed to simulate by an interface element with thickness, and the supporting of tunnel is simulated by the straight beam element. In the meantime, based on the

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49

Milani, Gabriele, Salvatore Russo, Marco Pizzolato, and Antonio Tralli. "Seismic Behavior of the San Pietro di Coppito Church Bell Tower in L'Aquila, Italy." Open Civil Engineering Journal 6, no. 1 (2012): 131–47. http://dx.doi.org/10.2174/1874149501206010131.

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In the present paper, a non-linear numerical study on the 13th century masonry bell tower of the church of San Pietro di Coppito is described. The aim is to have an insight into the causes at the base of the partial collapse suffered by the structure during the L’Aquila earthquake in 2009. To this aim, two different numerical analyses have been performed namely non-linear static (pushover) and limit analysis. In both cases, the same full 3D detailed FE model of the structure is adopted, changing the seismic load direction and assuming different distributions of the equivalent static horizontal

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Havran, Jozef, and Martin Psotny. "Stable Paths in the Postbuckling of an Imperfect Slender Web Loaded in Compression." Applied Mechanics and Materials 837 (June 2016): 28–33. http://dx.doi.org/10.4028/www.scientific.net/amm.837.28.

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Abstract:

The stability analysis of a slender web loaded in compression is presented. The non-linear FEM equations are derived from the variational principle of minimum of potential energy. The peculiarities of the effects of the initial imperfections are investigated using user program. Special attention is paid to the influence of imperfections on the post-critical buckling mode. Stable load-displacement paths are investigated. The FEM computer program using a 48 DOF element has been used for analysis. FEM model consists of 4x4 finite elements. Full Newton-Raphson procedure has been applied.

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