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Showing 1 to 20 of 53 for “"hybrid simulation"”.
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Multiscale hybrid simulation of brittle fracture
… This thesis reports the results of multiscale simulations of the brittle fracture of silicon on the (111) cleavage plane. The simulations are made possible by combining a quantum mechanical description of the processes taking place near the crack tip with a classical atomistic model that …
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Methodology to develop hybrid simulation/emulation model.
… of product markets. Consequently, the use of simulation to describe short term future performance of manufacturing system has become more significant than ever. An application of simulation that has attracted attention is for testing of control logic before commissioning on site by using a …
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On-line model updating in earthquake hybrid simulation
Hybrid simulation has emerged as a relatively accurate and efficient tool for the evaluation of structural response under earthquake loading. In the conventional hybrid simulation, the responses of few critical components are obtained by testing while the numerical module is assumed to follow an …
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Including Generative Mechanisms in Project Scheduling using Hybrid Simulation
This research seeks to expand the range of concepts used in project scheduling and aligns with the broader research effort to rethink project management. It begins with the observation that current project scheduling practice is based on ideas from the 1960’s, whilst research has developed …
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Multi-Dimensional Mixed-Mode Hybrid Simulation, Control and Applications
The fourth and final task is to validate the hybrid simulation framework through the study of the three-dimensional behavior of a skew RC bridge. First, extensive analyses of skew bridges are conducted to prepare for the hybrid simulation. Subsequently, a small-scale RC pier is experimentally …
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Hybrid simulation of steel frames with semi-rigid connections
… of Illinois, as described below. Full-scale hybrid simulation of a semi-rigid steel frame is conducted and its ductility and drift ratios are studied. The experimental component of the simulation comprises a beam-column subassembly with top and seat angle with double web angle connection and …
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Understanding enterprise behavior using hybrid simulation of enterprise architecture
… by developing an approach for creating simulation models of enterprise architectures that can be used for analyzing the architectural factors affecting enterprise behavior and performance. This approach matches the content of each of the "views" of an enterprise architecture framework …
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Control and Time Integration Algorithms for Real-Time Hybrid Simulation
… ground motion. Among available testing methods, hybrid simulation is more appealing for its merits, e.g., evaluating dynamic responses of large scale structures at lower cost. As a novel member of hybrid simulation, Real-time Hybrid Simulations (RHS), since its conception in 1992, has shown its …
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Robust Hybrid Simulation with Improved Fidelity: Theory, Methodology and Implementation
Civil engineers of today have been charged with the task of providing resilient and sustainable infrastructure designs, and to use those for establishing resilient communities. To achieve this mission, improved designs, new materials, and efficient retrofit strategies are being introduced around …
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Distributed real-time hybrid simulation: Modeling, development and experimental validation
<p>Real-time hybrid simulation (RTHS) has become a recognized methodology for isolating and evaluating performance of critical structural components under potentially catastrophic events such as earthquakes. Although RTHS is efficient in its utilization of equipment and space compared to …
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Hybrid Simulation Modelling to Support the Development of Recycling Infrastructures
… sorting and recycling. The model utilises hybrid simulation modelling due to the accuracy and flexibility that the method provides. The model was developed using an agent-based architecture which includes three submodels to describe the process, logistics, and communication. With this …
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Electron Currents in Field Reversed Mirror Dynamics--Theory and Hybrid Simulation
The role of electron currents in Field-Reversed Mirror (FRM) dynamics has been studied through both analytic and computational means. In particular, the effects of electron currents near a magnetic field null is closely examined. Since the electrons are not tied to field lines in this region, they …
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Electron currents in Field Reversed Mirror dynamics: Theory and hybrid simulation
Item marked as restricted to the 'UIUC Users [automated]' Group (id=2) by Carolyn Mead (cmead2@illinois.edu) on 2011-05-17T14:49:53Z Item is restricted indefinitely.
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A Hybrid Simulation Methodology To Evaluate Network Centricdecision Making Under Extreme Events
… extreme events. This dissertation provides a hybrid simulation methodology based on classical simulation paradigms combined with social network analysis for evaluating and improving the organizational structures and procedures, mainly the incident command systems and plans for facing those …
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Development and implementation of a multi-axial real-time hybrid simulation framework
Real-time hybrid simulation is an efficient and cost-effective experimental testing technique for performance evaluation of structural systems subjected to earthquake loading with rate-dependent behavior. To assess the response of structural components with multi-axial loading, a loading assembly …
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MULTI-AGENT DEEP REINFORCEMENT LEARNING AND HYBRID SIMULATION FOR RESOURCE ALLOCATION IN PORT OPERATIONS
This study develops a hybrid simulation framework integrating multi-agent deep reinforcement learning (MADRL) for port operations. Unlike traditional methods that optimize berths, AGVs, and Yard Blocks separately, our approach treats them as interconnected agents to enable collaborative …
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Model-based feedforward-feedback control for real-time hybrid simulation of large-scale structures
… quasi-static testing, shake table testing, and hybrid simulation. The tradeoffs in loading protocol make each experimental framework attractive in different situations. Hybrid simulation is a powerful, cost-effective framework for testing structural systems, closely coupling numerical simulation …
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Seismic risk mitigation of "special risk" process plants through enhanced concepts and subplant hybrid simulation
… global seismic risk assessment procedure, online hybrid (numerical/physical) dynamic substructuring simulations have shown their potential in enabling realistic dynamic analysis of almost any type of nonlinear structural system. At the same time, owing to faster and more accurate testing …
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