Results 21 to 30 of about 149 (139)
International Journal for Numerical Methods in Engineering, Volume 124, Issue 17, Page 3603-3636, 15 September 2023., 2023 Summary A general technique to develop arbitrary‐sided polygonal elements based on the scaled boundary finite element method is presented. Shape functions are derived from the solution of the Poisson's equation in contrast to the well‐known Laplace shape functions that are only linearly complete.
B Xiao +5 more
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Local large deformation between cut-off wall and core wall on deep overburden by meshless method
Yantu gongcheng xuebao, 2023 As a significant type of dam on deep overburden, the earth core rockfill dam connects the concrete cut-off wall and soil core wall directly, and the "penetration" phenomenon with local large deformation may exist between cut-off wall and core wall due to
ZOU Degao 1, 2, GONG Jin 1, 2, KONG Xianjing 1, 2, QU Yongqian 1, 2, LIU Jingmao 1, 2, CHEN Kai 1, 2
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International Journal for Numerical Methods in Engineering, Volume 124, Issue 15, Page 3387-3405, 15 August 2023., 2023 AbstractIn this article, we propose a new solution scheme for modeling elastoplastic problems with stress wave propagation in dissipative media. The scheme is founded on a generalized Hellinger–Reissner (HR) variational principle. The principle renders the discretized boundary‐value problem into an equivalent second‐order cone programming (SOCP ...
Liang Wang, Xue Zhang, Stefano Tinti
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Applied Sciences, 2018 Fracture mechanics is one of the most important approaches to structural safety analysis. Modeling the fracture process zone (FPZ) is critical to understand the nonlinear cracking behavior of heterogeneous quasi-brittle materials such as concrete.
Jian-bo Li +4 more
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International Journal for Numerical Methods in Engineering, Volume 124, Issue 9, Page 2068-2092, 15 May 2023., 2023 Abstract The contribution is concerned with a finite element formulation for the nonlinear analysis of heterogeneous solids in boundary representation. It results in an element with an arbitrary number of curved boundary edges. The curved edges can be parametrized by, for example, non‐uniform rational B‐splines (NURBS).
Rainer Reichel, Sven Klinkel
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Nonlinear vibration phenomena in hydrodynamically supported rotor systems
GAMM-Mitteilungen, Volume 46, Issue 1, March 2023., 2023 Abstract It is a well‐known fact, that hydrodynamically supported systems are prone to nonlinear vibrations. Their exact simulative prediction with respect to frequency and amplitude is complicated by the fact that different system properties interact.
Steffen Nitzschke +2 more
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MODELING OF THE SUBWAY DYNAMIC INFLUANCE ON THE GROUND STRUCTURE
International Journal for Computational Civil and Structural Engineering, 2021 The article discusses a new approach to modeling the behavior of structures under the influence of dynamic loads, including loads from ground and underground transport.
Maria Barabash, Bogdan Pysarevskiy
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Proceedings in Applied Mathematics and Mechanics, Volume 22, Issue 1, March 2023., 2023 Abstract In the analysis of textile‐reinforced shell structures full‐scale models are often impractical due to the complex nature of the meso‐structure. The structure is assumed to be globally periodic which allows the definition of a representative volume element (RVE).
Leonie Mester +2 more
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Analysis of the Three-Dimensional Dynamic Problems by Using a New Numerical Method
Advances in Civil Engineering, 2021 The problems of the consolidation of saturated soil under dynamic loading are very complex. At present, numerical methods are widely used in the research.
Yao Rong +3 more
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Journal of Mathematical Sciences and Modelling, 2018 To analyse soil-structure-interaction problems, often unbounded domain has to be taken into account. Since the finite element method (FEM) does not provide open boundary itself the scaled boundary finite element method (SBFEM) which fulfils the radiation
Marco Schauer
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