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 11 of 11 for “"discrete simulation"”.
-
A validation software package for discrete simulation models
This research examined the simulation model validation process. After a model is developed, its reliability should be evaluated using validation techniques. This research was concerned with the validation of discrete simulation models which simulate an existing physical system. While there are many …
-
A pedagogical game for project management
… written in APL notation. The game is based on a discrete simulation model of the project network. The player simulates the project for a period of time and can then solicit reports, perform resource scheduling or CPM analysis, and make changes in response to the current environmental conditions. …
-
Waveless picking : managing the system and making the case for adoption and change
… tote prioritization are also performed using discrete-simulation modeling. The analysis concludes that managing waveless picking warehouse flow by controlling the allowable quantity of partially picked orders to match downstream chute capacity can lead to reduced control over cycle times and …
-
A hybrid discrete element and continuum method for multiscale granular media modeling
… effects such as particle size dependence. In discrete element methods (DEM), every grain and the interactions between them are simulated. DEM is accurate but solve time scales poorly with large grain numbers. Here, we present a hybrid simulation scheme, which seeks a best-of-both-worlds …
-
Life cycle cost modelling as an aircraft design decision support tool
… estimated using a hierarchical structure and a discrete simulation model is used to estimate the maintenance and operation costs. The acquisition cost model uses an object oriented approach with libraries of materials and processes integrated into the cost model. Risk analysis is performed to …
-
Elastic properties and failure behavior of disordered porous solids : a potential-of-mean-force-based lattice element approach
… and porosity fluctuations. To this end, a discrete simulation tool -coined lattice element method (LEM)- was implemented. Akin to potential-of-mean-force approaches used in soft-matter physics, a solid structure is discretized into mass points interacting with the nearest neighbors through …
-
Methods for including multiphysics feedback in Monte Carlo reactor physics calculations
… and safe nuclear power systems. The accurate simulation of a nuclear reactor is particularly challenging because the multiple physical processes within the reactor are tightly coupled, which requires that the numerical methods used to resolve each physical process can accurately and …
-
Adaptive Sampling Line Search for Simulation Optimization
… concerned with the development of algorithms for simulation optimization (SO), a special case of stochastic optimization where the objective function can only be evaluated through noisy observations from a simulation. Deterministic techniques, when directly applied to simulation optimization …
-
A Hybrid Simulation Methodology To Evaluate Network Centricdecision Making Under Extreme Events
… 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 extreme …
-
Design of Digital Circuits at Transistor Level
Práce se zaměřuje na návrh obvodů na úrovni tranzistorů, především za použití evoluční metody návrhu. Za tímto účelem je nutné volit rozumnou míru abstrakce a tak dosáhnout vyšší rychlosti ohodnocování kandidátních řešení pomocí fitness funkce. Práce probírá již vyzkoušené postupy návrhu obvodů na …