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Experimental and numerical assessment of the work of fracture in injection-moulded low-density polyethylene

ABSTRACT The fracture mechanics properties of injection-moulded low-density polyethylene (LDPE) sheets were investigated both experimentally and numerically. The total work of fracture was determined experimentally, by means of fracture mechanics testing of sheets of injection-moulded LDPE with side cracks of different lengths. A multi-specimen method, proposed by Kim and Joe (1987), was employed. The total […]

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Knowledge Enabled Engineering project 2018

Students in the course MT2545 Knowledge Enabled Engineering had today their final group project presentation at Dynapac Compaction Equipment AB. Under LP2, Mathilda Weinert, Anton Sterner, Simon Thorstensson and Mostafa Salman have worked with enterprise modelling and simulation tools to optimize the drum manufacturing process of small and large asphalt compactors. MT2545 Knowledge Enabled Engineering […]

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Framework for Simulation-Driven Design of Stamping Dies Considering Elastic Die and Press Deformations

ABSTRACT Sheet metal forming (SMF) simulations are used extensively throughout the development phase of industrial stamping dies. In these SMF simulations, the die and press are normally considered as rigid. Previous research has however shown that elastic deformation in these parts has a significant negative impact on process performance. This paper demonstrates methods for counteracting […]

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Introducing Sustainability in Value Models to Support Design Decision Making: A Systematic Review

ABSTRACT Manufacturing organizations shall recognize sustainability as a business occasion to capitalize on, rather than an undesirable pressing situation. Still, empirical evidence shows that this opportunity is hard to capture and communicate in global strategic decisions, through planning by tactical management, to daily operational activities. This paper systematically reviews the modeling challenges at the crossroad […]

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Simulation-driven design, Projects 2017

Modelling and simulation is today a natural part of engineering design in businesses of all types and sizes. However, transition from simulation as primary a tool for verifying solutions that are already decided upon towards use of simulation to stimulate creation of new concepts and provide guidance towards more optimized designs, especially in early development […]

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Simulation of thin aluminium-foil in the packaging industry

ABSTRACT This work present an approach of how to account for the anisotropic mechanical material behaviour in the simulation models of the thin aluminium foil layer (≈10 μm) used in the Packaging Industry. Furthermore, the experimental results from uniaxial tensile tests are parameterised into an analytical expression and the slope of the hardening subsequently extended […]

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