Pseudo excitation method
WebNov 1, 1999 · The pseudo-excitation method, in which random excitations are mathematically represented by a series of harmonic loads, is developed for vibration … WebSep 7, 2024 · In this work, an existing numerical method, called the pseudo-equivalent deterministic excitation method (PEDE M ), is further developed for the experimental …
Pseudo excitation method
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WebMar 5, 2024 · Pseudo excitation method (PEM) [28, 29] applies that the PSDF-relevant simple harmonic load function to represent the ground motion excitation, which can obtain implicit expression of PSDF of... WebSep 7, 2024 · CsPbI3 quantum dots (QDs) are of great interest in new-generation photovoltaics (PVs) due to their excellent optoelectronic properties. The long and insulative ligands protect their phase stability and enable superior photoluminescence quantum yield, however, limiting charge transportation and extraction in PV devices. In this work, we use …
WebMar 18, 2024 · Originality/value. The pseudo excitation method is used to solve the vibration response of aero-engine pipeline system, and the optimization of the hoop layout for aero … WebOct 19, 2024 · The pseudo-excitation of irregularities can be obtained by adding the pseudo-excitations for all the wheel sets. Based on the fundamental assumption of PEM, the track …
WebAbstract The stochastic orthogonal polynomial expansion method is extended with the pseudo-excitation method in this paper. This extension enables the stochastic orthogonal polynomial method to be readily used in the analysis of stochastic parameter structures under non-stationary random excitation. WebApr 13, 2024 · Overall, the proposed ROM is an efficient method for computing the pseudo-harmonic responses and the adjoint vectors in multi-material topology optimization problems of structures under stationary random excitations. The rest of this paper is organized as follows.
WebDec 31, 2011 · Abstract. Pseudo Excitation Method (PEM) as a highly efficient and accurate algorithm series of stationary and nonstationary random vibration of structures has been …
WebOct 11, 2024 · Pseudo-excitation method is an accurate and efficient random vibration analysis method. The stationary random vibration analysis can be equivalent to the harmonic vibration analysis. The schematic of pseudo excitation can be expressed as the equation (17) S uu = H ( ω) 2 S xx (17a) u = H ( ω) e ω t (17b) u ~ = S xx H ( ω) e i ω t … my number 9.18e showing in csv formatWebPast historical earthquake events from neighbouring countries have been proven to be disastrous. Building in the aftermath of an earthquake may reduce structural reliability, posing risk upon re-occupation of the building. Shock absorber viscous dampers were installed on a specific structure storey that could reduce the spectral acceleration and … my number 8WebMar 18, 2024 · The pseudo excitation method is used to solve the vibration response of aero-engine pipeline system, and the optimization of the hoop layout for aero-engine spatial pipelines under random excitation to reduce random vibration response is studied systematically. Keywords Genetic algorithm Optimization of hoop layout Random excitation old red tractor logoold red tomWebMethod 514.6 random vibration test. This thesis details the methods and results of both computational and experimental techniques to ensure the design would pass random vibration testing. Background is provided on random vibration theory and the application of various statistical methods to determine a structure's fatigue life. my number 5 bookWebIn this study, an efficient analysis framework for high-speed train-bridge coupled vibrations under non-stationary winds based on the pseudo excitation method (PEM) has been developed, in which the non-stationary winds were transformed into a series of pseudoharmonic excitation vectors. old red toyotaWebJun 27, 2024 · A framework is developed in this article to predict the nonstationary random ground vibrations induced by high-speed trains, by combining the pseudo-excitation … old red tishamingo ok