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Showing 1 to 3 of 3 for “"Matrix-free methods"”.
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Methods for Analysis of Nonlinear Thermoacoustic Systems
… of parameter space where limit cycles exist. Two methods of finding limit cycles in large thermoacoustic sytems are presented: matrix-free continuation methods and gradient methods. Continuation methods find limit cycles numerically in the time domain, with no additional assumptions other than …
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Iterative solvers in implicit time integration for compressible flows
… called QUADFLOW. Therein, certain iterative methods that arise in most CFD simulations are used for the simulation of compressible flow around an airfoil. QUADFLOW is designed for the stationary and non-stationary compressible Euler and Navier-Stokes equations. In this thesis we discuss the …
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Matrix-free time-domain methods for general electromagnetic analysis
… problems. If a computational method can be made free of matrix solutions, then it has a potential of solving very large scale problems. Among existing computational electromagnetic methods, the explicit finite-difference time-domain (FDTD) method is free of matrix solutions. However, it requires …