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Date of download: 1/23/2018 Copyright © ASME. All rights reserved. From: Accelerated Thermal Simulation for Three-Dimensional Interactive Optimization of Computer Numeric Control Sheet Metal Laser Cutting J. Manuf. Sci. Eng. 2017;140(3):031006-031006-9. doi:10.1115/1.4038207 Figure Legend: Schematic of the laser heating model. A laser passes an amount of energy f at a sheet location x0, while the sheet cools down due to convection q at the surface.

Date of download: 1/23/2018 Copyright © ASME. All rights reserved. From: Accelerated Thermal Simulation for Three-Dimensional Interactive Optimization of Computer Numeric Control Sheet Metal Laser Cutting J. Manuf. Sci. Eng. 2017;140(3):031006-031006-9. doi:10.1115/1.4038207 Figure Legend: Integration scheme between the physics and geometry modules for interactive simulation of the CNC sheet metal laser cutting

Date of download: 1/23/2018 Copyright © ASME. All rights reserved. From: Accelerated Thermal Simulation for Three-Dimensional Interactive Optimization of Computer Numeric Control Sheet Metal Laser Cutting J. Manuf. Sci. Eng. 2017;140(3):031006-031006-9. doi:10.1115/1.4038207 Figure Legend: Analytic temperature and relative error distribution (with respect to FEA) for the S-shape laser trajectory: (a) analytic temperature distribution at t = 0.12 s and (b) relative error. Analytic versus FEA solution. Relative error below 3.43%.

Date of download: 1/23/2018 Copyright © ASME. All rights reserved. From: Accelerated Thermal Simulation for Three-Dimensional Interactive Optimization of Computer Numeric Control Sheet Metal Laser Cutting J. Manuf. Sci. Eng. 2017;140(3):031006-031006-9. doi:10.1115/1.4038207 Figure Legend: Simulation of the CNC process integrating the physical (512 × 512 Fourier coefficients) and the geometric modules (1024 × 1024 grid points): (a) temperature texture map and (b) visualization of the cutting process in the interactive simulator

Date of download: 1/23/2018 Copyright © ASME. All rights reserved. From: Accelerated Thermal Simulation for Three-Dimensional Interactive Optimization of Computer Numeric Control Sheet Metal Laser Cutting J. Manuf. Sci. Eng. 2017;140(3):031006-031006-9. doi:10.1115/1.4038207 Figure Legend: Central processing unit (CPU) computation times of the Fourier coefficients for a single timestep (as per Eq. (5))

Date of download: 1/23/2018 Copyright © ASME. All rights reserved. From: Accelerated Thermal Simulation for Three-Dimensional Interactive Optimization of Computer Numeric Control Sheet Metal Laser Cutting J. Manuf. Sci. Eng. 2017;140(3):031006-031006-9. doi:10.1115/1.4038207 Figure Legend: The interactive CNC simulator can be used to detect potential problems in the nesting planning due to heat propagation: (a) nesting of the CNC program, (b) overall 3D visualization of the CNC simulation, and (c) detailed inspection near a recent cut. Heat affects posterior cuts