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.
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Showing 1 to 20 of 33 for “"parallel simulation"”.
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Reducing synchronization overhead in parallel simulation
Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 1995.
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Parallel simulation of reinforced concrete sructures using peridynamics
… with todays inexpensive computing hardware, parallel algorithms can be utilized to run such problems on multi-node supercomputers with fast interconnects. However, existing codes tend to be domain-specific with too many built-in physical assumptions. In this work, a novel method for …
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Hardware-based Parallel Simulation of Flexible Manufacturing Systems
This research explores a hardware-based parallel simulation mechanism that can dramatically improve the speed of simulating flexible manufacturing systems (FMS) by applying appropriate enabling hardware technologies. The hardware-based parallel simulation refers to running a simulation on a …
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Scalable parallel simulation of small-scale structures in cold dark matter
We present a parallel implementation of the particle-particle/particle-mesh (P³M) algorithm for distributed memory clusters. The llp3m-hc code uses a hybrid method for both computation and domain decomposition. Long-range forces are computed using a Fourier transform gravity solver on a regular …
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Exploration of Cancellation Strategies for Parallel Simulation on Multi-Core Beowulf Clusters
<p>A time warp synchronized distributed simulation organizes a discrete event simulation into concurrently executing Logical Processes (LPs) that use a rollback recover mechanism whenever a causality violation is detected. The LPs operate independently from one another and when performing a …
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Towards Scalable Parallel Simulation of the Structural Mechanics of Piezoelectric-Controlled Beams
In this thesis we present a parallel implementation of an engineering code which simulates the deformations caused when forces are applied to a piezoelectric-controlled smart structure. The parallel simulation, whose domain decomposition relies on the finite element representation of the structure, …
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Modelling and parallel simulation of three-dimensional ribbing instability in symmetric forward-roll coating processes
Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Mechanical Engineering, 1995.
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Parallel simulation of particle dynamics with application to micropolar peridynamic lattice modeling of reinforced concrete Structures
… this thesis, we will explain a general purpose parallel particle dynamics code (pdQ2). We describe the re-architecting of pdQ (the MD/PD code that was developed in [Sakhavand 2011]) as pdQ2. pdQ2 is completely non-domain-specific in that user files are clearly separated from non-user files and …
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Efficient parallel simulations and their application to communication networks
Simulation is one of the most important tools for system performance evaluation in communication networks as well as many other areas. However, simulation is computationally intensive. A traditional sequential simulation of a complex model or a rare-event system may require days or even weeks of …
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The cost of terminating parallel discrete-event simulations
Simulation models use many different rules to decide when to terminate. Parallel simulations generally use a single, simple rule: each process comprising the simulation terminates after a predefined period of time. A number of parallel simulation protocols have been proposed that enforce …
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Speedes: A Case Study Of Space Operations
This thesis describes the application of parallel simulation techniques to represent the structured functional parallelism present within the Space Shuttle Operations Flow using the Synchronous Parallel Environment for Emulation and Discrete-Event Simulation (SPEEDES), an object-oriented …
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Terminating parallel discrete event simulations
This thesis analyzes the simulation termination problem of implementing global termination conditions and collecting output measures in discrete event simulations. With regard to parallel simulations, this problem is inherently more difficult than the classic termination detection problem for two …
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Parallel Black Oil Solvers on GPU
Reservoir simulation for a full field heterogeneous model with millions of grid blocks demands significant computational time; therefore, improving the computational efficiency becomes crucial in designing a reservoir simulator. Graphics Processing Unit (GPU), a new high-profile parallel processor …
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An Adaptive Time Window Algorithm for Large Scale Network Emulation
… is a need for Protocol Development Environments. Simulation environments like ns and OPNET require protocol code to be rewritten in a discrete event model. Direct Code Execution Environments (DCEE) solve the Verification and Validation problems by supporting the execution of unmodified protocol …
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An Agile Roadmap for Live, Virtual and Constructive-Integrating Training Architecture (LVC-ITA): A Case Study Using a Component based Integrated Simulation Engine
… seamless Live Virtual Constructive (LVC) simulation remains the most challenging issue of Modeling and Simulation (M&S). There is a lack of interoperability, limited reuse and loose integration between the Live, Virtual and/or Constructive assets across multiple Standard Simulation …
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Efficient ethernet switch models for large-scale network simulation
… high rates of churn. Correspondingly, when using simulation to study such networks and applications that run on them, the switching makes up a significant fraction of the model, and can make up a significant amount of the simulation activity. This work describes a unique testbed that gathers …
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Type Oriented Parallel Programming
Context: Parallel computing is an important field within the sciences. With the emergence of multi, and soon many, core CPUs this is moving more and more into the domain of general computing. HPC programmers want performance, but at the moment this comes at a cost; parallel languages are either …
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Scalability of dynamic traffic assignment
… solution or other full-matrix algorithms. Parallel simulation with an adaptive network decomposition framework is proposed to achieve better load-balancing and improved efficiency. A synchronization-feedback mechanism is designed to ensure the consistency of traffic dynamics across …
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Network-simulation-based evaluation of smart grid applications
… critical software execution) and realistic simulation (to model background computation and communication). We have developed a network testbed using both parallel simulation and virtual- machine-based, virtual-time-embedded emulation to provide both functional and temporal fidelity for …
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