Nuclear Science and Engineering / Volume 34 / Number 2 / November 1968 / Pages 158-168
Technical Paper / dx.doi.org/10.13182/NSE68-A19541
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The ability to obtain accurate solutions to time-dependent group diffusion problems by simultaneously synthesizing in both the z and t dimensions is demonstrated numerically. The potential of the combined space-time synthesis method becomes apparent from several comparisons of synthesis solutions with exact (in a finite difference sense) two-group, two-dimensional, time-dependent diffusion solutions for two different reactor geometries.