Essays about: "modal analysis"

Showing result 1 - 5 of 177 essays containing the words modal analysis.

  1. 1. Reliability-Based Sensitivity Analysis of the Dynamic Response of Railway Bridges

    University essay from KTH/Bro- och stålbyggnad

    Author : Hasan Al-Zubaidi; [2022]
    Keywords : Railway bridges; High-speed trains; Simply supported beam; Global sensitivity analysis; Uncertainty quantification; Reliability; Ballast instability; Running safety; Passenger comfort;

    Abstract : In response to the planned increase in operational speeds and axle loads of passengertrains that may lead to resonance-induced excessive vibrations in railway bridges,recent studies examined the reliability of bridges concerning train running safety andpassenger comfort limit states. In this respect, valuable information regarding theimportance of input variables can be obtained by conducting Sensitivity Analysis (SA). READ MORE

  2. 2. Dynamic Performance of a Tall Building to Earthquake Loading : Finding the optimum mass and stiffness

    University essay from KTH/Bro- och stålbyggnad

    Author : Andrés Alonso San Segundo; [2022]
    Keywords : ;

    Abstract : With the increasing cost of land, the development of ultra-high performance concrete, and the technological advancements in equipment and machinery, we are able to construct and refurbish skyscrapers like never before. How they are built, what materials they use, or what structural system defines them, all affect their dynamic response, which in the end is the combination of the stiffness and mass, two key parameters in engineering of tall buildings. READ MORE

  3. 3. Predicting the Temporal Dynamics of Turbulent Channels through Deep Learning

    University essay from KTH/Strömningsmekanik och Teknisk Akustik

    Author : Borrelli Giuseppe; [2021]
    Keywords : Turbulent Flows; Deep Learning; Minimal Channel Flow; Fourier POD FFT-POD ; Data-driven analysis; Long-short-term-memory LSTM networks.;

    Abstract : The interest towrds machine learning applied to turbulence has experienced a fast-paced growth in the last years. Thanks to deep-learning algorithms, flow-control stratigies have been designed, as well as tools to model and reproduce the most relevant turbulent features. READ MORE

  4. 4. Attenuation of bending waves in cross-laminated timber panels by using constrained damping layer

    University essay from Luleå tekniska universitet/Träteknik

    Author : Konrad Boeske; [2021]
    Keywords : Wood technology; damping; CLT; acoustic; low frequencies; AkuTimber;

    Abstract : Multi-storey wooden buildings become more and more popular. As the new housing solutions are more accessible, acoustical inconveniences of wooden buildings become actual as never before. Wood, thanks to its high stiffness and low mass, allows to erect buildings at impressive pace, albeit cannot damp low frequency noises efficiently. READ MORE

  5. 5. Efficient Recycling Of Non-Ferrous Materials Using Cross-Modal Knowledge Distillation

    University essay from Linköpings universitet/Datorseende

    Author : Sebastian Brundin; Adam Gräns; [2021]
    Keywords : Recycling; Ferrous; Non-Ferrous; Knowledge Distillation; Hallucinogenic; Hyperspectral; HSI ;

    Abstract : This thesis investigates the possibility of utilizing data from multiple modalities to enable an automated recycling system to separate ferrous from non-ferrous debris. The two methods sensor fusion and hallucinogenic sensor fusion were implemented in a four-step approach of deep CNNs. READ MORE