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Laser Propagation Modeling

Laser Propagation Modeling. Making Large Scale Ultrashort Pulse Laser Simulations Possible. Sponsor: Dr. William Roach Air Force Research Labs. Student: Mr. Noah Wolfe UNM/AFRL. Mentor: Dr. Mohammad Zunoubi State University of New York. Date: 11/30/2011. UNM Senior Design Project

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Laser Propagation Modeling

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

  2. Outline Project Description Project Team/Responsibilities Milestones Deliverables Challenges & Concerns Present Status Upcoming Work Senior Design Project Relevance

  3. Project Goal Ultra Short Pulse Laser Propagation (But Animated )

  4. Technical Description • Non-Linear Schrodinger’s Equation: • With evolution of the electron density governed by:

  5. Project Description

  6. 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

  7. 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.

  8. 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.

  9. Deliverables (Hardware) Capable of computing over 1 Billion unknowns in Minutes • Overall: • 84 GBs of dedicated memory • Over 15 Teraflops/s floating point performance • 24-Core CPU Supercomputer: • 18 GBs of dedicated memory • Over 3 Teraflops/s floating point performance • 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

  10. Challenges & Concerns

  11. 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. Gaussian Pulse Dispersion Soliton Propagation

  12. Upcoming Work

  13. 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

  14. Questions ?

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