A hybrid finite element and surrogate modelling approach for simulation and monitoring supported TBM steering
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TLDR
The proposed technique combines the capacity of a process-oriented 3D simulation model for mechanized tunnelling with the computational efficiency of surrogate (or meta) models based on artificial neural networks to accurately describe the complex geological and mechanical interactions of the Tunnelling process.About:
This article is published in Tunnelling and Underground Space Technology.The article was published on 2017-03-01 and is currently open access. It has received 46 citations till now. The article focuses on the topics: Surrogate model & Computational steering.read more
Citations
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Journal ArticleDOI
Application of ANN-PSO algorithm based on FDM numerical modelling for back analysis of EPB TBM tunneling parameters
TL;DR: Three- dimension finite difference method was applied to simulate the tunnel excavation by earth pressure balance (EPB) boring machine of Tehran Metro Line 7 tunnel in Iran and showed that ANN prediction and numerical simulation with initial set of parameters has more than 98% concordance.
Journal ArticleDOI
A fuzzy surrogate modelling approach for real-time predictions in mechanised tunnelling
TL;DR: A new surrogate modelling strategy is developed to predict time variant high dimensional fuzzy settlement fields in real-time to combine epistemic and aleatoric sources of uncertainty within polymorphic uncertainty models.
Journal ArticleDOI
A parallelization strategy for hydro-mechanically coupled mechanized tunneling simulations
Hoang-Giang Bui,Günther Meschke +1 more
TL;DR: To improve the computational performance of mechanized tunnel simulations a solution strategy based on domain decomposition is proposed to solve the resulting discretized linear system in parallel using an appropriately accelerated iterative solver.
Journal ArticleDOI
Building Information Modelling in mechanised shield tunnelling – A practitioner's outlook to the near future
TL;DR: A concept for database‐supported, web‐based integration of software modules for geometrical modelling in various levels of detail, efficient numerical simulation tools that are based upon this representation, and process controlling that manages all data acquired during the construction process in a spatially and temporally coordinated reference system are presented.
Simulation and monitoring assisted real-time steering with uncertainty in mechanized tunneling
TL;DR: In this article, a 3D Finite-Elemente-Modell is verwendet, in order to simulieren the tunnelvortrieb, in which a setzungsmodell is genutzt, e.g., by Echtzeitprognosen.
References
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Proceedings ArticleDOI
Particle swarm optimization
TL;DR: A concept for the optimization of nonlinear functions using particle swarm methodology is introduced, and the evolution of several paradigms is outlined, and an implementation of one of the paradigm is discussed.
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Particle swarm optimization
TL;DR: A snapshot of particle swarming from the authors’ perspective, including variations in the algorithm, current and ongoing research, applications and open problems, is included.
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Soil mechanics and plastic analysis or limit design
D. C. Drucker,W. Prager +1 more
Journal ArticleDOI
Characterization of geotechnical variability
Kok-Kwang Phoon,Fred H. Kulhawy +1 more
TL;DR: In this paper, the three primary sources of geotechnical uncertainties are inherent variability, measurem, and measurem uncertainties, and the three main sources of variability are measurem and inherent variability.
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