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RISAssembly Free Large Scale Modal Analysis on the Graphics Programmable Unit
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Popular eigensolvers such as blockLanczos require repeated inversion of an eigenmatrix. This is a bottleneck in largescale modal problems with millions of degrees of freedom. On the other hand, the classic Rayleigh–Ritz ...
Large Scale Finite Element Analysis Via Assembly Free Deflated Conjugate Gradient
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Largescale finite element analysis (FEA) with millions of degrees of freedom (DOF) is becoming commonplace in solid mechanics. The primary computational bottleneck in such problems is the solution of large linear systems ...