Quantitative evaluation of SPH in TIG spot welding

Jeske, Stefan Rhys; Simon, Marek Sebastian; Semenov, Oleksii; Kruska, Jan; Mokrov, Oleg; Sharma, Rahul; Reisgen, Uwe; Bender, Jan

doi:10.1007/s40571-022-00465-x

Cited by 9 publications

(9 citation statements)

References 31 publications

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“…In 2005, Monaghan [1] systematically reviewed the theory and application of SPH and summarized its merits and demerits. After several decades of development, SPH method has been successfully used in various fields [2][3][4][5][6]. There are several literatures about the application of SPH method in fluid and solid mechanics.…”

Section: Introductionmentioning

confidence: 99%

On methodology and application of smoothed particle hydrodynamics in fluid, solid and biomechanics

Wang

Yang

et al. 2023

Acta Mech. Sin.

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Smoothed particle hydrodynamics (SPH), as one of the earliest meshfree methods, has broad prospects in modeling a wide range of problems in engineering and science, including extremely large deformation problems such as explosion and high velocity impact. This paper aims to provide a comprehensive overview on the recent advances of SPH method in the fields of fluid, solid, and biomechanics. First, the theory of SPH is described, and improved algorithms of SPH with high accuracy are summarized, such as the finite particle method (FPM). Techniques used in SPH method for simulating fluid, solid and biomechanics problems are discussed. The δ -SPH method and Godunov SPH (GSPH) based on the Riemann model are described for handling instability issues in fluid dynamics. Next, the interface contact algorithm for fluid-structure interaction is also discussed. The common algorithms for improving the tensile instability and the framework of total Lagrangian SPH are examined for challenging tasks in solid mechanics. In terms of biomechanics, the governing equations and the coupling forces based on SPH method are exemplified. Then, various typical engineering applications and recent advances are elaborated. The application of fluid mainly depicts the interaction between fluid and rigid body as well as elastomer, while some complicated fluid-structure interaction ocean engineering problems are also presented. In the aspect of solid dynamics, galaxy, geotechnical mechanics, explosion and impact, and additive manufacturing are summarized. Furthermore, the recent advancements of SPH method in biomechanics, such as hemodynamically and gut health, are discussed in general. In addition, to overcome the limitations of computational efficiency and computational scale, the multiscale adaptive resolution, the parallel algorithm and the automated mesh generation are addressed. The development of SPH software in China and abroad is also summarized. Finally, the challenging task of SPH method in the future is summarized. In future research work, the establishment of multi-scale coupled SPH model and deep learning technology in solid and biodynamics will be the focus of expanding the engineering applications of SPH methods.

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Section: Introductionmentioning

confidence: 99%

On methodology and application of smoothed particle hydrodynamics in fluid, solid and biomechanics

Wang

Yang

et al. 2023

Acta Mech. Sin.

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“…This includes having direct access to the neighborhood search needed for an efficient evaluation of the ray tracer. Additionally, since SPlisHSPlasH has already been used in the process simulations of tungsten inert gas welding (TIG) and thermal spraying, the temperature and fluid simulation can be leveraged for a full process simulation in future [9][10][11].…”

Section: Resultsmentioning

confidence: 99%

“…For the subsequent process simulation, smoothed particle hydrodynamics has been shown to be well applicable to the simulations of heat and mass transfer needed in welding engineering [6][7][8][9][10][11]. Due to the meshless, Lagrangian nature of smoothed particle hydrodynamics, it conserves mass by construction and eases the treatment of topological changes.…”

Section: Introductionmentioning

confidence: 99%

Ray tracing method with implicit surface detection for smoothed particle hydrodynamics‐based laser beam welding simulations

Westhofen,

Kruska,

Bender

et al. 2024

Materialwissenschaft Werkst

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An important prerequisite for process simulations of laser beam welding is the accurate depiction of the surface energy distribution. This requires capturing the optical effects of the laser beam occurring at the free surface. In this work, a novel optics ray tracing scheme is proposed which can handle the reflection and absorption dynamics associated with laser beam welding. Showcasing the applicability of the approach, it is coupled with a novel surface detection algorithm based on smoothed particle hydrodynamics (SPH), which offers significant performance benefits over reconstruction‐based methods. The results are compared to state‐of‐the‐art experimental results in laser beam welding, for which an excellent correspondence in the case of the energy distributions inside capillaries is shown.

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“…This approach offers an innovative perspective for understanding and predicting the welding procedure. This method has already been successfully used for different welding processes [11][12][13].…”

Section: State Of the Artmentioning

confidence: 99%

“…Thus, the derivative of a quantity is formed by the derivative of the kernel function [7,8]. The presented model is built upon the bases developed for TIG welding and droplet impact in thermal spraying [11,14].…”

Section: Model Descriptionmentioning

confidence: 99%

Simulation of wire metal transfer in the cold metal transfer (CMT) variant of gas metal arc welding using the smoothed particle hydrodynamics (SPH) approach

Mokrov,

Warkentin,

Westhofen

et al. 2024

Materialwissenschaft Werkst

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Cold metal transfer (CMT) is a variant of gas metal arc welding (GMAW) in which the molten metal of the wire is transferred to the weld pool mainly in the short‐circuit phase. A special feature here is that the wire is retracted during this strongly controlled welding process. This allows precise and spatter‐free formation of the weld seams with lower energy input. To simulate this process, a model based on the particle‐based smoothed particle hydrodynamics (SPH) method is developed. This method provides a native solution for the mass and heat transfer. A simplified surrogate model was implemented as an arc heat source for welding simulation. This welding simulation model based on smoothed particle hydrodynamics method was augmented with surface effects, the Joule heating of the wire, and the effect of the electromagnetic forces. The model of metal transfer in the cold metal transfer process shows good qualitative agreement with real experiments.

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Quantitative evaluation of SPH in TIG spot welding

Cited by 9 publications

References 31 publications

On methodology and application of smoothed particle hydrodynamics in fluid, solid and biomechanics

On methodology and application of smoothed particle hydrodynamics in fluid, solid and biomechanics

Ray tracing method with implicit surface detection for smoothed particle hydrodynamics‐based laser beam welding simulations

Simulation of wire metal transfer in the cold metal transfer (CMT) variant of gas metal arc welding using the smoothed particle hydrodynamics (SPH) approach

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