Results 21 to 30 of about 69 (68)
Proceedings in Applied Mathematics and Mechanics, Volume 22, Issue 1, March 2023., 2023 Abstract Simulation of wave propagation phenomena is very challenging due to the restrictions placed on the spatial as well as on the temporal discretization. Image‐based domain discretization using hierarchical meshes (2D polygonal elements) in conjunction with the scaled boundary finite element method provides an efficient numerical simulation tool ...
Sharath Nattoji-Shara +2 more
wiley +1 more source
Applied Sciences, 2022 The existence of pores is a very common feature of nature and of human life, but the existence of pores will alter the mechanical properties of the material.
Guangying Liu +3 more
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A PSBFEM Approach for Solving Seepage Problems Based on the Pixel Quadtree Mesh
Geofluids, Volume 2023, Issue 1, 2023., 2023 This paper presents a PSBFEM approach that integrates the quadtree mesh generation technique based on digital images for solving seepage problems. The quantitative representation of the distribution of geometrical information and material parameters is achieved by utilizing the color intensity of each pixel, which can then be applied to seepage ...
Mingjiao Yan +5 more
wiley +1 more source
International Journal for Numerical Methods in Engineering, Volume 123, Issue 5, Page 1228-1252, 15 March 2022., 2022 Abstract This contribution presents an isogeometric approach in three dimensions for nonlinear problems in solid mechanics and structural dynamics. The proposed approach aligns with the boundary representation modeling technique in CAD. Isogeometric analysis is combined with the parameterization of the scaled boundary finite element method. In this way,
Margarita Chasapi +3 more
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Applied Sciences, 2023 Lamb wave dispersion curves are useful for optimizing the inspection scanning distance that can be covered with good sensitivity in many current applications.
Carlos A. Galán-Pinilla +4 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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Proceedings Sensor 2017, 2017 The application of waveguides for acoustic measuring technologies and the development of non-destructive evaluation techniques with guided ultrasonic waves for plate like materials like carbon fiber reinforced plastic shells and layered structures require a good understanding of acoustic wave propagation inside the material.
J. Bulling, J. Prager, F. Korme
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Applied Sciences, 2019 Three alternative approaches, namely the extended/generalized finite element method (XFEM/GFEM), the scaled boundary finite element method (SBFEM) and phase field methods, are surveyed and compared in the context of linear elastic fracture mechanics ...
Adrian Egger +6 more
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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 of Engineering Science[EN] Dispersion curves are essential for characterizing Lamb wave propagation. A key challenge in estimating these curves is ensuring both computational efficiency and agreement with experimental results, particularly in complex, multilayered materials.
Carlos A. Galán Pinilla +4 more
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