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1 DISTRIBUTION STATEMENT XXX– Unclassified, Unlimited Distribution Laser Propagation Modeling Making Large Scale Ultrashort Pulse Laser Simulations Possible Date: 11/30/2011 Student: Mr. Noah Wolfe UNM/AFRL UNM Senior Design Project Fall Semester 2011 End of Semester Presentation Sponsor: Dr. William Roach Air Force Research Labs Mentor: Dr. Mohammad Zunoubi State University of New York

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2 DISTRIBUTION STATEMENT XXX– Unclassified, Unlimited Distribution Outline 1.Project Description 2.Project Team/Responsibilities 3.Milestones 4.Deliverables 5.Challenges & Concerns 6.Present Status 7.Upcoming Work 8.Senior Design Project Relevance

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3 DISTRIBUTION STATEMENT XXX– Unclassified, Unlimited Distribution Project Goal Ultra Short Pulse Laser Propagation (But Animated )

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4 DISTRIBUTION STATEMENT XXX– Unclassified, Unlimited Distribution Technical Description Non-Linear Schrodinger’s Equation: With evolution of the electron density governed by:

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5 DISTRIBUTION STATEMENT XXX– Unclassified, Unlimited Distribution Project Description Project ObjectivesPlan of Action Understand physics behind propagation and interaction of high-power USPL with matter Convert and compile existing 3- dimensional Fortran subroutines into one comprehensive “C” tool Make computations of small- scale propagation/ interaction problems efficient and effective Optimize the 3-dimensional tool to increase speed calculations and minimize memory space required. Make computations of large- scale propagation/ interaction problems possible and efficient Implement a parallel version of the 3-dimensional tool for large-cluster GPU computing using MPI and CUDA Make output of calculations easily understandable and visually appealing Develop a GUI to realize the propagation and interaction of the laser with matter

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6 DISTRIBUTION STATEMENT XXX– Unclassified, Unlimited Distribution Project Team/Responsibilities Dr. Roach (Sponsor) – Project Lead – Laser Physics Support Experimental Theoretical – Financial Support Dr. Zunoubi (Mentor) – Project Lead – Simulation and Modeling: Develop unique 3D laser propagation/interaction code Develop CUDA implementation of 3D code Dr. Bachove – Laser Physics Support Theoretical Dr. Schmitt-Sody – Laser Physics Support Produce Experimental results for comparison Mr. Lucero – Laser Physics Support Produce Experimental results for comparison

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7 DISTRIBUTION STATEMENT XXX– Unclassified, Unlimited Distribution Major Milestones Converted Propagation Code ( December 23, 2011 ) – Previous Fortran subroutines have been converted and coupled into one object oriented C program effectively modeling all Non-Linear Schrodinger terms. GPU Cluster Implementation ( April 15, 2011 ) – Parallel version of the 3D code has been implemented with CUDA to allow for meaningful large scale testing. Numerical Testing and Comparison ( April 30, 2011 ) – Real experimental laser characteristics are input and simulated to compare with that of the experimental results. GUI Development ( May 7, 2011 ) – Output data is compiled and converted into a 3D animation that portrays the laser propagation and interaction with matter.

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8 DISTRIBUTION STATEMENT XXX– Unclassified, Unlimited Distribution Deliverables (Software/Documentation) 3D USPL Propagation Code – Need for reliable computational tools for the analysis of High-Power USPL propagation in atmosphere GUI Program & GUI User Manual – Visual representation of the laser propagation in both space and time. Most likely implemented in Matlab. – Manual documents the process of creating a new animation from output data. GPU Cluster Interface – Any and all software required to interconnect the multiple standalone computers into one functional cluster for high performance computations. GPU Cluster User Manual – Complete write-up documenting the process of adding new nodes and running new codes.

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9 DISTRIBUTION STATEMENT XXX– Unclassified, Unlimited Distribution Deliverables (Hardware) 3584-Core Tesla GPU Machine: 48 GBs of dedicated memory Over 9 Teraflops/s floating point performance Basic HP Desktops (×3): 18 GBs of dedicated memory Over 3 Teraflops/s floating point performance 24-Core CPU Supercomputer: 18 GBs of dedicated memory Over 3 Teraflops/s floating point performance Overall: 84 GBs of dedicated memory Over 15 Teraflops/s floating point performance

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10 DISTRIBUTION STATEMENT XXX– Unclassified, Unlimited Distribution Challenges & Concerns Challenge (Type)Challenge Assessment Coupled “C” Implementation of Fortran routines MODERATE Parallelize CodeMODERATE Multi-GPU implementationHIGH GUI in MatlabHIGH

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11 DISTRIBUTION STATEMENT XXX– Unclassified, Unlimited Distribution Present Status GPU compute cluster has been setup and confirmed operational. –Any GPU compatable program can be run to perform large-scale, computationally heavy simulations. Finishing the Fortran to C conversion. –60% of the code converted/debugged –Also working on Matlab code to plot the output of the program. Soliton Propagation Gaussian Pulse Dispersion

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12 DISTRIBUTION STATEMENT XXX– Unclassified, Unlimited Distribution Upcoming Work

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13 DISTRIBUTION STATEMENT XXX– Unclassified, Unlimited Distribution Senior Design Project Relevance Collaborating with a team of engineers – development of effective project management, time management communication, and technical skills Real world application of classroom material – application of the basic science, mathematics, engineering and design skills taught in earlier courses 3D propagation Code C programing ECE 131/231 GPU Cluster Computer Architecture ECE 337 Code Optimization Software Design ECE 330 Hands on experience of Engineering Process – Research, Development, Implementation, Testing, Maintenance/Improvement

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14 DISTRIBUTION STATEMENT XXX– Unclassified, Unlimited Distribution Questions ?

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