Matthias Röthlin
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View article: Creation of a method for the adoption of digital transformation for medium enterprises in the education business in Switzerland
Creation of a method for the adoption of digital transformation for medium enterprises in the education business in Switzerland Open
The education sector, like most others, is currently experiencing a rapidly advancing digital transformation. Due to the current COVID-19 pandemic, this process is taking place faster than it would have without the virus. Currently, there …
View article: Hybrid SPH-FEM solver for metal cutting simulations on the GPU including thermal contact modeling
Hybrid SPH-FEM solver for metal cutting simulations on the GPU including thermal contact modeling Open
This paper presents a hybrid Smoothed Particle Hydrodynamics (SPH) – Finite Element Method (FEM) solver for metal cutting simulations on Graphics Processing Units (GPU). For the first time in chip formation simulation, the heat transfer be…
View article: Cutting Force Prediction of Ti6Al4V using a Machine Learning Model of SPH Orthogonal Cutting Process Simulations
Cutting Force Prediction of Ti6Al4V using a Machine Learning Model of SPH Orthogonal Cutting Process Simulations Open
The prediction of machining processes is a challenging task and usually requires a large experimental basis. These experiments are time-consuming and require manufacturing and testing of different tool geometries at various process conditi…
View article: A Numerical-Experimental Study on Orthogonal Cutting of AISI 1045 Steel and Ti6Al4V Alloy: SPH and FEM Modeling with Newly Identified Friction Coefficients
A Numerical-Experimental Study on Orthogonal Cutting of AISI 1045 Steel and Ti6Al4V Alloy: SPH and FEM Modeling with Newly Identified Friction Coefficients Open
Numerical simulation of metal cutting with rigorous experimental validation is a profitable approach that facilitates process optimization and better productivity. In this work, we apply the Smoothed Particle Hydrodynamics (SPH) and Finite…
View article: Simulation of the Ductile Machining Mode of Silicon
Simulation of the Ductile Machining Mode of Silicon Open
Diamond wire sawing has been developed to reduce the cutting loss when cutting silicon wafers from ingots. The surface of silicon solar cells must be flawless in order to achieve the highest possible efficiency. However, thesurface is dama…
View article: Meshless Methods for Large Deformation Elastodynamics
Meshless Methods for Large Deformation Elastodynamics Open
Meshless methods are a promising candidate to reliably simulate materials undergoing large deformations. Unlike mesh based methods like the FEM, meshless methods are not limited in the amount of deformation they can reproduce since there a…