Granular meta-material: response of a bending beam

Götz, Holger; Pöschel, Thorsten

doi:10.1007/s10035-023-01336-9

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2023

2024

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Cited by 2 publications

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“…Using the initial areas of the triangles, we use Eqs. (11)(12)(13)(14)(15)(16) to compute the confining forces.…”

Section: Triaxial Testmentioning

confidence: 99%

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DEM-simulation of thin elastic membranes interacting with a granulate

Götz

Pöschel

2023

Granular Matter

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For a wide range of applications, we need DEM simulations of granular matter in contact with elastic flexible boundaries. We present a novel method to describe the interaction between granular particles and a flexible elastic membrane. Here, the standard mass-spring model approach is supplemented by surface patches given by triangulation of the membrane. In contrast to standard mass-spring models, our simulation method allows for an efficient simulation even for large particle size dispersion. The novel method allows coarsening of the mass-spring system leading to a substantial increase in computation efficiency. The simulation method is demonstrated and benchmarked for a triaxial test.

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“…Using the initial areas of the triangles, we use Eqs. (11)(12)(13)(14)(15)(16) to compute the confining forces.…”

Section: Triaxial Testmentioning

confidence: 99%

“…Since, by construction, the membrane is impenetrable, the mesh width can be chosen large which makes our method computationally efficient. The proposed model was used recently to simulate a granular gripper [14] and a bending beam of granular meta-material [15].…”

Section: Introductionmentioning

confidence: 99%