Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
Results
Showing 1 to 18 of 18 for “"Dynamics simulator"”.
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Computational investigation of flahover mechanisms using fire dynamics simulator (fds)
… in enclosure fires was performed using the Fire Dynamics Simulator (FDS) platform. Practical criteria for flashover commonly proposed in the literature were investigated in the context of FDS modeling to determine similarity between the CFD model, previous experiments and zone-modeling results. …
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Adaptive Control Applied to the Cal Poly Spacecraft Attitude Dynamics Simulator
… is to use the Cal Poly Spacecraft Attitude Dynamics Simulator to provide proof of concept of two adaptive control theories developed by former Cal Poly students: Nonlinear Direct Model Reference Adaptive Control and Adaptive Output Feedback Control. The Spacecraft Attitude Dynamics Simulator …
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Estimating the Heat Transfer from an Electric Vehicle Fire using Fire Dynamics Simulator
… guidelines for modeling a vehicle using Fire Dynamics Simulator (FDS) and its relevant parameters are explored and documented through an estimation and comparison to experimental data. Vehicle construction consists of determining fire spread and subsequent burner delineation from analysis of …
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System Integration and Attitude Control of a Low-Cost Spacecraft Attitude Dynamics Simulator
The CalPoly Spacecraft Attitude Dynamics Simulator mimics the rotational dynamics of a spacecraft in orbit and acts as a testbed for spacecraft attitude control system development and demonstration. Prior to this thesis, the simulator platform and several subsystems had been designed and …
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Simulation and Integration of a 6-DOF Controllable Multirotor Vehicle
… vehicle toward simulating small satellite dynamics, enabling technology development to be accelerated and component failure risks to be mitigated by providing a testing platform with dynamics similar to those of small satellites in orbit. Evaluating dynamics-sensitive software and hardware …
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UTILIZING A HIGH-RESOLUTION CFD-BASED MODEL TO REPLICATE THE BURNING OF A TWO-STORY STRUCTURE IN THE MAUI WILDFIRE
… structures. This project uses the NIST Fire Dynamics Simulator (FDS) to recreate a part of the fire that destroyed two neighboring residences in Lahaina. Detailed models and configurations are created to replicate wind, vegetative fuel combustion, and structural burning. Results of the …
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Supply chain dynamics
… in the system. The team developed a Supply Chain Dynamics framework to help the partner to establish new service level strategies, strongly oriented to the strategic importance of its products and customers, and to map the key system-wide drivers that impact the overall number of inventory turns, …
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Reduced-order modeling of MEMS using modal basis functions
… fast and compact in form to insert into a system dynamics simulator. In this thesis I explore techniques of automatically constructing such models from meshed representations of device geometry. These dynamical models are known as "reduced-order" models or "macromodels." They are characterized by …
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Development and Validation of a Computational Musculoskeletal Model of the Elbow Joint
… a function of penetration depth. A rigid body dynamics simulator was used to predict the model's behavior under particular external loading conditions.The computational model was validated by simulating past experimental investigations and comparing results. Passive flexion-extension range of …
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Visualising convective heat transfer in a propagating wildland fire
… the Large Eddy Simulation (LES) method in Fire Dynamics Simulator (FDS), exploring the effects of wind speed, slope angle, fuel moisture content, fuel packing ratio, and fuel height and their correlation with convective heat transfer. Parallel experimental studies employed a custom-built …
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Comparing crown fire predictions in ponderosa pine stands among four fire behavior models
… and complexities—Wildland-urban interface Fire Dynamics Simulator (WFDS), QUIC-Fire, a Rothermel-based modeling framework, and Crown Fire Initiation and Spread (CFIS). Comparisons (n = 297) were made based on a range of forest structure and environmental conditions representative of treated and …
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Probabilistic Modelling of Sensitivity in Fire Simulations
… Fire simulation based on computational fluid dynamics (CFD) plays an important role in performance-based fire design. However, the thermal-physical process of material decomposition in fires and the chemical reactions of fire effluents are not well enough understood to make useful predictions …
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Soft Aerial Manipulation
… evaluate the proposed system in a realistic soft dynamics simulator (SOFA) and in real tests, and show that: (i) the geometric controller is fairly insensitive to the soft payload, (ii) in simulation, our soft drone outperforms more rigid alternatives, (iii) the platform can reliably grasp unknown …
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Fire modelling of passenger trains
… carriage through numerical modelling using Fire Dynamics Simulator (FDS). Generic material properties have been incorporated to broaden the applicability of the results and offer adaptability for future specifications. Eight fire scenarios were developed, ranging from traditional luggage fires …
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Computational Study of Highway Bridges Structural Response Exposed to a Large Fire Exposure
… required coupling the computational fluid dynamics (CFD) code Fire Dynamics Simulator (FDS) with Abaqus while the furnace exposure scenarios were all done within Abaqus. Both methodologies were benchmarked against experimental data. Using the developed methodologies, simulations were …
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Effects of Wool Fibres on Mechanical and Flammability Characteristics of Wool-Polypropylene Composites
… retardant performance and development of a fire dynamics model based on computational fluid dynamics (CFD). Short wool fibre and polypropylene (PP) based composite sheets have been fabricated by a continuous extrusion process. Taguchi design of experiment method has been applied to comprehend the …
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Advancing Coupled Fire-Atmosphere Simulation: Fuel Representation and Fire Spotting
… fire simulation platform, known as Fire Dynamics Simulator (FDS), is utilized to simulate heat flux from smoldering firebrands with different properties. Energy balance and heat conduction theories are utilized to simulate the heat transfer between the firebrand and recipient fuel bed and …
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Integrated probabilistic risk assessment (I-PRA) methodology and computational platform for fire PRA of nuclear power plants
… PRA; b. Integrates a Computational Fluid Dynamics (CFD)-based fire model, the Fire Dynamics Simulator (FDS), with classical PRA through a probabilistic interface that is equipped with uncertainty quantification, dependency modeling, and Bayesian updating. To alleviate the challenges …