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Data · dataset · 2025

Numerical Data for: What governs droplet spreading on a wetted wall

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Description

Supplementary material to Jonathan Lukas Stober, Kathrin Schulte, "What governs droplet spreading on a wetted wall" (doi.org/10.1063/5.0258742), referred to as "related publication" in the following: Direct Numerical Simulation of a droplet impact onto a thin wall film (Isopropanol, air) performed with the ITLR in-house program package Free Surface 3D (FS3D). The code solves the incompressible Navier-Stokes equations in a one-field formulation with a Volume of Fluid (VoF) approach, see related publication.

The simulation was performed in three dimensions (768³) cropped to 410*111*410. The data is saved in hdf5 files. For each timestep, there is one file storing the VoF-variable, which is a scalar field with values between 0 and 1 indicating the phases being ambient gas (0) or drop liquid (1), (funs00*.hdf).

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Additionally, there is another file for each timestep storing the velocity vector field (velv00*.hdf). In total, there are 8 timesteps starting with the moment of first contact of the droplet with the wall film. #1: tau = 0.0 (moment of first contact of droplet with film) #5: tau = 1.0 #9: tau = 2.0 #13: tau = 3.0 #17: tau = 4.0 #21: tau = 5.0 #25: tau = 6.0 #29: tau = 7.0 The simulation results of three cases from the related publication are published.

Case No. 1 (Reference), No. 5 (1/10 of Viscosity), and No. 6 (free-slip boundary condition) The simulation was performed as part of the GRK 2160 within the subproject SP-C2.

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Engineering
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Simulation 75%
Provenance · 1 source records, 9 field assertions
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DaRUSdoi:10.18419/DARUS-517313 d agoJSON v1
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concepts[field].dataverse_subject:engineeringsource · darus uni stuttgart deconnector:darus_uni_stuttgart_de@1.0.0/subjects
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concepts[method].local:method:simulationenrichment · darus uni stuttgart dekeyword-concept-rules@1.0.0title+description (75%)
created_datesource · darus uni stuttgart deconnector:darus_uni_stuttgart_de@1.0.0
descriptionsource · darus uni stuttgart deconnector:darus_uni_stuttgart_de@1.0.0/description
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version_labelsource · darus uni stuttgart deconnector:darus_uni_stuttgart_de@1.0.0