Finite element models to simulate lightweight rockfall protection structures

Sautter, Klaus Bernd; Hofmann, Helene; Wendeler, Corinna; Celigueta, Miguel Ángel; Bücher, Philipp; Bletzinger, K.‐U.; Wüchner, Roland

doi:10.23967/membranes.2021.001

Cited by 2 publications

(1 citation statement)

References 2 publications

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“…The TF analyzes the current principal strains and stresses and subsequently transforms the material tangent modulus, resulting in a compression-free stress state. Successful application of this theory to rockfall simulations can be found in [54,55].…”

Section: Plate In Membrane Actionmentioning

confidence: 99%

A unified and modular coupling of particle methods with fem for civil engineering problems

et al. 2023

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In this work, a modular coupling approach for particle methods with the FEM (finite element method) is presented. The proposed coupled strategy takes advantage from the ability of particle methods of dealing with large displacements and deformations, especially when solving complex fluid–structure and solid–structure interaction problems. The coupling between the FEM and particle methods is done using a co-simulation approach implemented in the open-source Kratos Multiphysics framework. The particle methods considered in this work are the DEM (discrete element method) and the PFEM (particle finite element method). The Lagrangian description of the PFEM is well suited for modeling fluids undergoing large deformations and free-surface motions, and the DEM can be used to simulate rocks, debris and other solid objects. To accelerate the convergence of the coupled strategy, a block Gauss–Seidel algorithm with Aitken relaxation is used. Several numerical examples, with an emphasis on natural hazards, are presented to test and validate the proposed coupled method.

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Section: Plate In Membrane Actionmentioning

confidence: 99%

A unified and modular coupling of particle methods with fem for civil engineering problems

et al. 2023

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Influence of Friction Coefficient between Cable and Membrane on Wind-Induced Response of Air-Supported Membrane Structures with Oblique Cable Net

Lai

Zhao

et al. 2023

Buildings

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Cable-membrane constructions typically exhibit significant displacement and distortion under load action, and the cable-membrane contact results in relative sliding. In this paper, the interaction force between cable and membrane is transferred through frictional contact action, and as a result, the friction coefficient must be taken into consideration for the form-finding and load analysis of air-supported membrane structures. Eight kinds of P-type membrane materials commonly used in engineering were chosen, and the friction coefficients between the various membrane and cable materials were obtained. The connection between a cable and a membrane of an air-supported membrane structure is considered a contact problem, and its initial shape analysis and wind load response analysis are carried out. The influence of the friction coefficient of a cable membrane on the wind-induced response of an air-supported membrane structure is discussed, and the results are compared with those of the cable-membrane binding model under wind load.

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Finite element models to simulate lightweight rockfall protection structures

Cited by 2 publications

References 2 publications

A unified and modular coupling of particle methods with fem for civil engineering problems

A unified and modular coupling of particle methods with fem for civil engineering problems

Influence of Friction Coefficient between Cable and Membrane on Wind-Induced Response of Air-Supported Membrane Structures with Oblique Cable Net

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