Search for dissertations about: "Interne"

Found 4 swedish dissertations containing the word Interne.

2. 1. Efficient Finite Element Approach for Structural-Acoustic Applications including 3D modelling of Sound Absorbing Porous Materials

   Author : Romain Rumpler; Peter Göransson; Jean-François Deü; Henry Rice; KTH; []
   Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Noise reduction; Poroelastic materials; Reduced model; Component mode synthesis; Padé approximants; Structural-acoustics; Finite element method; Fluid-structure interaction.; Matériaux poroélastiques; Modèles réduits; Sous-structuration dynamique; Approximants de Padé; Vibroacoustique interne; Eléments finis; Interaction fluid-structure.; Järnvägsgruppen - Ljud och vibrationer; Järnvägsgruppen - Ljud och vibrationer;

   Abstract : In the context of interior noise reduction, the present work aims at proposing Finite Element (FE) solution strategies for interior structural-acoustic applications including 3D modelling of homogeneous and isotropic poroelastic materials, under timeharmonic excitations, and in the low frequency range. A model based on the Biot-Allard theory is used for the poroelastic materials, which is known to be very costly in terms of computational resources. READ MORE

4. 2. Observation Methods and Imaging Techniques. Assessments of physical exposure in repetitive work with focus on neck and upper extremities

   Author : Birgit Juul-Kristensen; Människan i rörelse: hälsa och rehabilitering; []
   Keywords : MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; imaging techniques; force; electromyography; video recording; electrogoniometer; inclinometer; movement; posture; physical exposure; industrial work; repetitive; upper extremity; neck; observation method; musculoskeletal; Yrkesmedicin; arbetsmiljömedicin; industrial medicine; Occupational health; epidemiology; ultrasound; magnetic resonance;

   Abstract : Observation methods and imaging techniques - assessments of physical exposure in repetitive work with focus on neck and upper extremities The aim of this thesis was to develop, establish and validate observation methods for exposure assessments in epidemiological studies of repetitive work. A second aim was to increase the quality of input data for biomechanical shoulder models, by reliability and validity studies of Magnetic Reso-nance Imaging (MRI) and Ultrasound Scanning (US). READ MORE

5. 3. Be lean to be resilient : Setting capabilities for turbulent times

   Author : Seyoum Eshetu Birkie; Matti Kaulio; Paolo Trucco; Jussi Heikkilä; KTH; []
   Keywords : SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; Resilience; lean production; synergy; supply chain disruption; dynamic capabilities; mixed method approach; uncertainties; Industriell ekonomi och organisation; Industrial Engineering and Management;

   Abstract : Businesses globally are challenged to innovate their operations strategies and practices towards tighter delivery times, better quality and cheaper prices to remain profitable in addition to managing unpredictable circumstances well in today’s turbulent business environment. They often have to deal with the apparent paradox of advancing efficiency-fostering approaches such as lean production, and enhancing operational resilience against unanticipated disruptions. READ MORE

6. 4. The unexpected implications of opening up innovation : A multi-perspective study of the role of Open Innovation practices in mature industries

   Author : Andres Ramirez-Portilla; Terrence Brown; Enrico Cagno; Marcel Bogers; KTH; []
   Keywords : SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; open innovation; practices; innovation performance; industrial performance; sustainability; SMEs; manufacturing sector; automotive industry; foundry industry; food industry; Industriell ekonomi och organisation; Industrial Engineering and Management;

   Abstract : The way firms innovate has notably changed in recent years. A clear example is the manufacturing sector which has been experiencing a new revolution in production and innovation. Linked to this industrial shift, manufacturing firms have been adopting more open and collaborative practices to innovate. READ MORE