Energy-tracking impulse method for particle-discretized rigid-body simulations with frictional contact

Li, Yang; Asai, Mitsuteru; Chandra, Bodhinanda; Isshiki, Minoru

doi:10.1007/s40571-020-00326-5

Cited by 10 publications

(16 citation statements)

References 28 publications

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“…An extension to a macroscale approach, i.e., a normal distance-based contact interaction [12,52,53], is possible in a straightforward manner. In addition, also a momentum-based energy tracking method [54] was recently applied for collision modeling of fully resolved rigid bodies [55,56].…”

Section: Remark 18mentioning

confidence: 99%

An SPH framework for fluid–solid and contact interaction problems including thermo-mechanical coupling and reversible phase transitions

Fuchs

Meier

Wall

et al. 2021

Adv. Model. and Simul. in Eng. Sci.

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The present work proposes an approach for fluid–solid and contact interaction problems including thermo-mechanical coupling and reversible phase transitions. The solid field is assumed to consist of several arbitrarily-shaped, undeformable but mobile rigid bodies, that are evolved in time individually and allowed to get into mechanical contact with each other. The fluid field generally consists of multiple liquid or gas phases. All fields are spatially discretized using the method of smoothed particle hydrodynamics (SPH). This approach is especially suitable in the context of continually changing interface topologies and dynamic phase transitions without the need for additional methodological and computational effort for interface tracking as compared to mesh- or grid-based methods. Proposing a concept for the parallelization of the computational framework, in particular concerning a computationally efficient evaluation of rigid body motion, is an essential part of this work. Finally, the accuracy and robustness of the proposed framework is demonstrated by several numerical examples in two and three dimensions, involving multiple rigid bodies, two-phase flow, and reversible phase transitions, with a focus on two potential application scenarios in the fields of engineering and biomechanics: powder bed fusion additive manufacturing (PBFAM) and disintegration of food boluses in the human stomach. The efficiency of the parallel computational framework is demonstrated by a strong scaling analysis.

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Section: Remark 18mentioning

confidence: 99%

An SPH framework for fluid–solid and contact interaction problems including thermo-mechanical coupling and reversible phase transitions

Fuchs

Meier

Wall

et al. 2021

Adv. Model. and Simul. in Eng. Sci.

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show abstract

“…Based on Nietzsche's method, Fabre et al (2016) developed a finite element fictitious domain approach for the approximation of frictionless contact problems of two elastic bodies. Li et al (2021) suggested an energytracking impulse (ETI) algorithm. The improved ETI method is verified by the analytical solutions of monomer contact, friction slip and rolling contact.…”

Section: Introductionmentioning

confidence: 99%

“…(2016) developed a finite element fictitious domain approach for the approximation of frictionless contact problems of two elastic bodies. Li et al. (2021) suggested an energy-tracking impulse (ETI) algorithm.…”

Section: Introductionmentioning

confidence: 99%

Meshless numerical method for the contact problems of joint surface

Wang

Shi

Cao

et al. 2022

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PurposeThe partition of unity of the standard meshless Galerkin method is used as basis in expressing the discontinuity of the contact surface displacement, particularly by adding discontinuous terms into the displacement mode, and constructing the discontinuous meshless displacement field function. In this study the contact surface equation is aimed to derive from the improved Coulomb friction contact model.Design/methodology/approachIn this paper based on the basic idea of meshless method, an improved moving least squares approximation function (expansion method based on out of unit division) is applied to the analysis of two-dimensional contact problems.FindingsOn the basis of this equation after discrete processing, it is combined with the discrete form of the virtual work equation with added contact conditions, and eventually transformed into a standard linear complementary problem. Moreover, it is solved by using the Lemke algorithm, and a corresponding example is provided in this research.Originality/valueThe proposed method can effectively control the mutual embedding of the contact surface, and the stress distribution that is the same as the actual situation can be obtained on the contact surface.

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“…for fluid and solid modeling, we have smoothed particle hydrodynamics (SPH) method (Gingold & Monaghan, 1977;Lucy, 1977), and moving particle semi-implicit (MPS) method (Koshizuka & Oka, 1996). Nowadays, there are innumerous variations of these two methods (Li et al, 2020;Lind et al, 2020). Besides the difference between the discrete operators Based on contact mechanics theories, the objective of this work is to propose a solid-solid contact model for the particle-based methods, especially for the MPS method, by adopting a nonlinear spring and dashpot model for solid-solid contact, similar to that adopted by Canelas et al (2016), but with newly defined normal direction and distance of contact vectors to improve the numerical stability, and therefore reproducing the macroscopic properties of the multiple bodies interactions in transient incompressible flows involving free surface and impulsive hydrodynamic loads.…”

Section: Discussionmentioning

confidence: 99%

Influência da temperatura no comportamento do concreto com diferentes teores de fibras de aço.

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Energy-tracking impulse method for particle-discretized rigid-body simulations with frictional contact

Cited by 10 publications

References 28 publications

An SPH framework for fluid–solid and contact interaction problems including thermo-mechanical coupling and reversible phase transitions

An SPH framework for fluid–solid and contact interaction problems including thermo-mechanical coupling and reversible phase transitions

Meshless numerical method for the contact problems of joint surface

Influência da temperatura no comportamento do concreto com diferentes teores de fibras de aço.

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