2000
DOI: 10.1016/s0301-679x(00)00016-5
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Simulation of rough surfaces with FFT

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Cited by 238 publications
(135 citation statements)
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“…A comparable approach was chosen in [21]. The model for the simulation of the Gaussian topographies is based on the approaches of [18,26]. The 2.5D topographies can be described as matrices of the form:…”
Section: Approach For the Generation Of Artificial Ground And Honed Smentioning
confidence: 99%
See 1 more Smart Citation
“…A comparable approach was chosen in [21]. The model for the simulation of the Gaussian topographies is based on the approaches of [18,26]. The 2.5D topographies can be described as matrices of the form:…”
Section: Approach For the Generation Of Artificial Ground And Honed Smentioning
confidence: 99%
“…To achieve the requested variance 2 ( ) tar σ z , the power spectral density has to be normalized. The simulation method used here is similar to the one presented by Wu [26]. Wu uses a complex vector with uniformly distributed phases and constant amplitude instead of the Fourier transform G of a normal distributed matrix g. With such an approach, the given autocorrelation function is exactly mapped into the simulated topographies e.g., it does not contain any stochastic variations as in the approach chosen for this paper (cf.…”
Section: Approach For the Generation Of Artificial Ground And Honed Smentioning
confidence: 99%
“…Tworzenie generatorów powierzchni technicznych jest potrzebne nie tylko dla doskonalenie modelowania i wizualizacji [1,3,8,19,20,23,35,38], ale również dla tworzenia licznych zbiorów powierzchni, w celu rozszerzenia zakresu analiz i badań właściwości stereometrycznych, relacji mię-dzy parametrami 2D i 3D oraz poszukiwania struktur stereometrycznych uważanych za korzystne w określonych zastosowaniach eksploatacyjnych [5,16,23,32,34]. Znaczny postęp w metodach pomiaru i przetwarzania danych, charakteryzujących stereometrię powierzchni spowodował upowszechnienie analiz topografii powierzchni technicznych i wykorzystywanie ich wyników w ocenie jakości procesów obróbki oraz w ocenie jakości produktów i prognozowaniu ich właściwości eksploatacyjnych.…”
Section: Wybrane Problemy Oceny Topografii Powierzchni Po Szlifowaniuunclassified
“…For example, Wu [19] developed a methodology to simulate engineered surfaces using Fast Fourier Transform (FFT) where a given spectral density or auto-correlation function (ACF) is used as a means to model the irregular heights of a surface. Higuchi et al [20] applied the concept of fractional Brownian motion (fBm) to simulate the surface heights of grinding wheels.…”
Section: Introductionmentioning
confidence: 99%
“…Sharif Ullah et al [23] modeled the microscopic interactions between workpiece and tool (e.g., a grinding wheel) that are stochastic in nature to simulate the surface heights of a machined surface for several passes. Nevertheless, the methodologies developed so far to capture the dynamics of surface roughness, e.g., the methodologies described in [11,[19][20][21][22][23] and in the references therein, are parameter-dependent, requiring a great deal of efforts of the users to set the right values of a relatively large number of parameters. Therefore, a simpler but user-friendly methodology is needed to model the dynamics of the surface roughness.…”
Section: Introductionmentioning
confidence: 99%