Search for dissertations about: "modal differences"

Showing result 1 - 5 of 35 swedish dissertations containing the words modal differences.

2. 1. Mechanical Characterization of Engineering Materials by Modal Testing

   Author : Daniel Larsson; Chalmers tekniska högskola; []
   Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; material variability; modal testing; non-destructive test methods; damping ratios; timber beams; plastic panels; aluminium panel; elastic constants; concrete curing; wood-based panels; solids; high-strength concrete; anisotropic materials;

   Abstract : This thesis deals with the use of modal testing for establishing elastic constants of engineering materials and for indicating material variability in terms of stiffness and damping properties. The methodology using modal testing techniques, is applied to timber beams, high strength concrete prisms, wood-based panels (oriented strand board and chipboard), an aluminium alloy panel and plastic laminate panels (high-pressure laminate). READ MORE

4. 2. Source Language of Lexical Transfer in Multilingual Learners : A Mixed Methods Approach

   Author : Hannah Neuser; Maria Kuteeva; Philip Shaw; Camilla Bardel; Scott Jarvis; Stockholms universitet; []
   Keywords : HUMANIORA; HUMANITIES; HUMANIORA; HUMANITIES; multilingualism; third language acquisition; lexical transfer; crosslinguistic influence; modal differences; proficiency; recency; exposure; psychotypology; L2 status; transferability; markedness; lexical organization; activation; lexical access; English; engelska;

   Abstract : The study reported in this thesis investigates the source language of lexical transfer in multilingual learners using a mixed methods approach. Previous research has shown that the source language of crosslinguistic influence can be related to factors such as proficiency, recency/exposure, psychotypology, the L2 status, and item-specific transferability. READ MORE

5. 3. Unsupervised Learning of Biomolecular Dynamics with Multi-Modal Data

   Author : Christopher Kolloff; Chalmers tekniska högskola; []
   Keywords : NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; biomolecular dynamics; data-driven modeling; integrative structural biology; generative modeling; multi- modal machine learning; statistical mechanics; augmented Markov models;

   Abstract : The functioning of cells critically depends on the dynamics of biomolecular systems, such as proteins or nucleic acids. Biophysical experiments as well as Molecular Dynamics (MD) simulations are the primary techniques to model and understand the kinetics and thermodynamics of biomolecules. READ MORE

6. 4. Bridge Monitoring to Allow for Reliable Dynamic FE Modelling : A Case Study of the New Årsta Railway Bridge

   Author : Johan Wiberg; Håkan Sundquist; Raid Karoumi; Björn Paulsson; KTH; []
   Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; bridge monitoring; FE modelling; signal analysis; torsion; warping; modulus of elasticity; natural frequency; damping; finite differences; Civil engineering and architecture; Samhällsbyggnadsteknik och arkitektur;

   Abstract : Today’s bridge design work in many cases demands a trustworthy dynamic analysis instead of using the traditional dynamic amplification factors. In this thesis a reliable 3D Bernoulli-Euler beam finite element model of the New Årsta Railway Bridge was prepared for thorough dynamic analysis using in situ bridge monitoring for correlation. READ MORE

7. 5. Using soft systems methodology as a methodology for multi-modal systems design

   Author : Birgitta Bergvall-Kåreborn; Luleå tekniska universitet; []
   Keywords : SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; Informatik; Informatics;

   Abstract : The aim of this research is to contribute to the field of systems design by developing intellectual tools that can help designers to conceptualise, create and evaluate different design alternatives. In this work I focus my attention on Soft Systems Methodology. READ MORE