Archives

Product-Service Systems for Functional Offering of Automotive Fixtures: Using Design Automation as Enabler

ABSTRACT In production of automotive components, control-measuring is an important activity to assure that geometries meet expected tolerances. This is done via randomly taking parts out of production for control-measuring in a fixture. This fixture is both a tedious and repetitive product to design and configure. The aim of this paper is therefore to present […]

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Exploration of Simulation-Driven Support Tools for Sustainable Product Development

ABSTRACT Global society is encountering many challenges such as climate change, resource depletion, etc., which comes with a set of challenges and opportunities for businesses. Applied research in operational tools and methods that support sustainable product- and service systems innovation, aims to strengthen businesses to overcome these challenges. In recent years, several tools and methods […]

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Evoke: A value-driven concept selection method for early system design

ABSTRACT The development of new technologically advanced products requires the contribution from a range of skills and disciplines, which are often difficult to find within a single company or organization. Requirements establishment practices in Systems Engineering (SE), while ensuring coordination of activities and tasks across the supply network, fall short when it comes to facilitate […]

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Special Issue: Science in support of systematic leadership towards sustainability

BTH Professors Göran Broman, Karl-Henrik Robèrt and Tobias Larsson, has together with Terrence J. Collins (Carnegie Mellon University), George Basile (Arizona State University), Rupert J. Baumgartner (University of Graz), Tobias Larsson, Donald Huisingh (University of Tennessee) been editors for a Special Issue of Journal of Cleaner Production. Now the issue is out. Find the Special […]

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Modeling and Study of Fracture and Delamination in a Packaging Laminate

ABSTRACT In this work, a packaging laminate consisting of LDPE (Low Density Polyethylene), Al-foil (Aluminum foil) is focused, and failure due to necking in substrates and interfacial delamination under loading are considered. A coupled elasto-plasticity damage and fracture constitutive model is combined. The proposed constitutive model is incorporated into the FEM code ABAQUS and utilized […]

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Value-driven product service systems development: Methods and industrial applications

ABSTRACT In recent times a service-dominant logic is permeating the design of complex systems. However, in spite of their appeal, initiatives such as Product Service Systems (PSS) have not become mainstream, and methods are lacking to support this transition. This paper argues that methodological guidance, as well as tools for decision support, may be found […]

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Innovation Enablers and Their Importance for Innovation Teams

ABSTRACT The aim of this research is to develop an understanding of factors that enable innovation teams to conduct agile innovation work in an industrial context. The background and reason for this research are not only that innovation is necessary for companies that want to stay in business, but also that these companies need to […]

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Fatigue Life Prediction for PBGA under Random Vibration Using Updated Finite Element Models

ABSTRACT A procedure based on finite element (FE) modeling, response surface-based model updating and random vibration analysis is presented to predict the fatigue life of plastic ball grid array (PBGA) components mounted on daisy chain printed circuit board (PCB). A specially designed fixture is used to mimic the typical boundary condition of plug-in PCBs. The […]

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Exact solutions of an integro-differential equation with quadratically cubic nonlinearity

ABSTRACT Exact solutions of a nonlinear integro-differential equation with quadratically cubic nonlinear term are found. The equation governs, in particular, stationary shock wave propagation in relaxing media. For the exponential kernel the shapes of both compression and rarefaction shocks having a finite width of the front are calculated. For media with limited “memorizing time” the […]

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Study of Ligament Length Effect on Mode Mix of a Modified In-Plane Shear Test Specimen

ABSTRACT Shear fracture toughness is an important material behavior that needs to be determined and considered in many industrial fields. At the same time, shear testing is one of the complex material testing areas where available methods are few, often need special arrangements, and most of the methods do not strictly satisfy the definition of […]

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