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《Explosion and Shock Waves》 1984-04
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FREQUENCY-DISPERSION CHARACTERISTICS AND DISCRETIZATION OF THE FINITE ELEMENT ANALYSIS IN WAVE PROPAGATION PROBLEMS

Zong Fukai  
The finite element method has been widely used in analysing wave propagation problems.Which degree of accuracy such an analysis can be obtained? This is a problem of interest today.This paper deals with the variation of frequency characteristics and dispersion problems after discretization;the element discretization principle;and,throuth some typical examples,gives the attainable accuracy of the finite elemeng method.
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