A Rapidly Convergent Scheme to Compute Moisture Profiles in Composite Materials under Fluctuating Ambient Conditions

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Abstract
This paper presents a highly efficient numerical scheme to compute the moisture distribution in composite materials and adhesive joints under time varying ambient relative humidities and temperatures. The moisture diffusion is assumed to follow Fick's laws. It is shown that by appropriate switching among the various forms of the analytic solutions, all involving infinite series, it is possible to attain extremely high accuracy by means of a small number of terms. An example is provided to illustrate the method.

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