A constraint-based collision model for Cosserat rods

Tschisgale, Silvio; Thiry, Louis; Fröhlich, Jochen

doi:10.1007/s00419-018-1458-7

Cited by 10 publications

(10 citation statements)

References 31 publications

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“…The present paper is devoted to the physical analysis of a canopy flow, rather than numerical issues. This section provides the required information on the algorithm employed which is based on earlier work of the present authors (Kempe & Fröhlich 2012; Tschisgale, Kempe & Fröhlich 2017, 2018; Tschisgale, Thiry & Fröhlich 2019). A very detailed description with numerous validations is provided in Tschisgale & Fröhlich (2020).…”

Section: Physical and Numerical Modelmentioning

confidence: 99%

“…A corresponding modelling approach was developed and validated by the present authors in Tschisgale et al. (2019).…”

Section: Physical and Numerical Modelmentioning

confidence: 99%

“…Besides the interaction between fluid and blades, flexible blades in a canopy can collide with each other. A corresponding modelling approach was developed and validated by the present authors in Tschisgale et al (2019).…”

Section: Coupling Of Fluid and Bladesmentioning

confidence: 99%

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Large eddy simulation of the fluid–structure interaction in an abstracted aquatic canopy consisting of flexible blades

et al. 2021

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Section: Physical and Numerical Modelmentioning

confidence: 99%

“…A corresponding modelling approach was developed and validated by the present authors in Tschisgale et al. (2019).…”

Section: Physical and Numerical Modelmentioning

confidence: 99%

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Large eddy simulation of the fluid–structure interaction in an abstracted aquatic canopy consisting of flexible blades

et al. 2021

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“…and d i p /dt → 0 due to the assumption of infinitesimally short collision time (Guendelman et al, 2003;Tschisgale et al, 2018b).…”

Section: Single Collisionmentioning

confidence: 99%

A collision model for DNS with ellipsoidal particles in viscous fluid

Jain

Tschisgale

Fröhlich

2019

International Journal of Multiphase Flow

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“…Their motion is computed by a finite-difference approach according to (Lang & Arnold 2012). Collisions are handled by the model proposed in (Tschisgale et al 2019).…”

Section: Methodsmentioning

confidence: 99%

A first simulation of a model aquatic canopy at high Cauchy number

Löhrer¹,

Doppler²,

Puijalon³

et al. 2020

River Flow 2020

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Canopies formed by flexible aquatic plants constitute an important element in river hydraulics as they determine resistance, resilience towards erosion, transport of nutrients and pollutants, and provide the habitat of other species. Due to their flexibility they undergo reconfiguration and closely interact with the surrounding flow. This fluid-structure-coupling poses a considerable challenge to detailed numerical modelling. In the present contribution a recently developed own method is presented capable of numerically simulating such a situation. It is applied to a model configuration composed of very long flexible blades which corresponds to an experiment presently conducted in Lyon. A particularity of this situation, so far considered only rarely, is the length and high flexibility of the blades leading to a Cauchy number Ca around 25,000. The parameters are such that the monami phenomenon is observed featuring synchronized undulating motion of the blades. This very detailed simulation at high Ca is the first of its kind with very long, flat blades typical for aquatic plants. The contribution reports first results for the velocity field in terms of highly resolved instantaneous data and one-point statistics.

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A constraint-based collision model for Cosserat rods

Cited by 10 publications

References 31 publications

Large eddy simulation of the fluid–structure interaction in an abstracted aquatic canopy consisting of flexible blades

Large eddy simulation of the fluid–structure interaction in an abstracted aquatic canopy consisting of flexible blades

A collision model for DNS with ellipsoidal particles in viscous fluid

A first simulation of a model aquatic canopy at high Cauchy number

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