FishSim: A Comprehensive Dataset of Fish Geometry, Biomechanics and Contact Friction for Fish Processing Simulation

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Bhat Ishfaq Ahmad; Mortensen, Magnus; Karlsen, Benjamin; Norman, Andreas F.; Giske, Lars André; Bjelland, Øystein; Hansen, Irina-Emily; Zhang, Houxiang; Mork, Ola Jon, 2026, "FishSim: A Comprehensive Dataset of Fish Geometry, Biomechanics and Contact Friction for Fish Processing Simulation", https://doi.org/10.18710/OY9QWA, DataverseNO, V1
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Description
FishSim is a simulation-oriented physical characterisation dataset for deformable fish-machine interaction, collected during two field campaigns in Norway: Batsfjord in Finnmark (January 2026) and Borgundfjord near Alesund in More og Romsdal (March 2026). It covers 160 whole, ungutted wild-caught fish - mainly Atlantic cod and haddock, with smaller numbers of pollock, tusk and ling. The dataset links three complementary data products through a common specimen identifier. (1) Friction: static and dynamic coefficients measured on a semi-automated inclined-plane jig between whole fish and five contact materials used in seafood-processing equipment (perforated de-watering steel, AISI 304 stainless steel, PEHD 500/1000, a modular plastic conveyor belt and an AISI 304 steel conveyor belt), each in four presentation orientations - head first, tail first, stomach first and back first. Each record is traceable to species, size, mass, post-mortem time and rigor state. (2) Geometry: 154 textured external-surface meshes reconstructed by smartphone photogrammetry and exported as simulation-ready Universal Scene Description (USDZ) assets. (3) Elasticity: effective Young's modulus and Poisson's ratio identified by inverse finite-element modelling of instrumented cantilever bending tests, for a pilot subset of specimens tested in two orthogonal bending planes. The data are intended for calibrating fish-machine interaction models, stochastic parameter sampling, and developing physically informed digital twins for seafood-processing applications. See the 00_README.txt file for full variable-level documentation. (2026-01-19)
Subject Engineering
Keyword Fish biomechanics, Friction coefficient, 3D scanning, USDZ, Finite element analysis, Fish processing, Fish simulation, Contact mechanics
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