Abstract
A method for the finite element computation of the synthetic seismograms of SH wave propagation in a two-dimensional(2-D)medium is proposed. The finite element method has the advantage of specifying the arbitrary density and velocity field in the medium.To complete the waveformmodeling for an earthquake,the transformation of line source snapshotsand seismograms of the 2-D finite element modeling to the point sourceresponses is critically necessary.The accuracy of the finite element modeling is verified by comparing it with the generalized ray method and with afinite difference method which computes the 2-D wave field from a different approach.The aim of this study is to demonstrate the successfulness ofseismogram synthesis by the finite element method and to propose thepotential applications of this method in the Taiwan area.
Highlights
Chronon is a word expressing an idea
I was not the first to invent the word: chronon had been used by various authors to designate their various concepts of elementary particle of time
Martin Gardner (1992) referred to chronon as the fundamental unit of quantized time, and suggested that ''between chronons one can imagine one or more parallel universes operating within our space, but totally unknown to us.'' Gardner's science-fiction vision seems, to have been derived from Hugh Everett's (1957) idea of parallel universes
Summary
T h is p ap e r h a.s bee n revieived b.}'" four 1·eferees and t h 1·< e of th e m do not recommend to publish it as a scie11tific paper. 111ost 111embers of t h e edito ial commit t e e consider tl1at t h e idea exp ressed in t h is article is originat e cl from eartl 1 science research ·. 50 we de cide to accep t it a.s a ''non-refere e d'' art icl e in t h i.5 journa.l. Th is does11 't 1nea.n ive endor.se th e idea expressed in t hi s ai'ticle. Th is does11 't 1nea.n ive endor.se th e idea expressed in t hi s ai'ticle It .is left t() t l1e 1·ea.cle1·s to n1 ake t h eir own judge1ne nt. The postulate of light transmission by particle collisions could be tested by mathematical modelling. The postulate that radioactive decays are activated by neutrino captures could be tested by experiments. Identification of chronons as information-carriers could have implications to problems in life sciences
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