Smoothed Particle Hydrodynamics Simulation of Orthogonal Cutting with Enhanced Thermal Modeling
Source abstract
Abstract
Smoothed Particle Hydrodynamics (SPH) is a mesh-free numerical method that can simulate metal cutting problems efficiently. The thermal modeling of such processes with SPH, nevertheless, is not straightforward. The difficulty is rooted in the computationally demanding procedures regarding convergence properties and boundary treatments, both known as SPH Grand Challenges. This paper, therefore, intends to rectify these issues in SPH cutting models by proposing two improvements: (1) Implementing a higher-order Laplacian formulation to solve the heat equation more accurately. (2) Introducing a more realistic thermal boundary condition using a robust surface detection algorithm. We employ the proposed framework to simulate an orthogonal cutting process and validate the numerical results against the available experimental measurements.
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Research context
OpenAlex topics: Fluid Dynamics Simulations and Interactions · Fluid Dynamics and Heat Transfer · Surface Modification and Superhydrophobicity
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Institute of Machine Tools & Manufacturing, ETH Zürich, Leonhardstrasse 21, 8092 Zürich, Switzerland
Innovative Machine Tools & Manufacturing, inspire AG, Technoparkstrasse 1, 8005 Zürich, Switzerland
Federal Office of Meteorology & Climatology, MeteoSwiss, 8058 Zürich-Airport, Switzerland
Funding
Schweizerischer Nationalfonds zur Förderung der Wissenschaftlichen Forschung
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