This example is relevant to transitional thermal creep tests in which the temperature is changed during the application of sustained load. In addition, the specimen undergoes drying due to an environmental 50% relative humidity. The figure shows the comparison between the experimental and numerical results. The basic creep curve relevant to sealed conditions and constant temperature is also reported for comparison. The difference between the total strain measured under load and the total strain measured on a load-free companion specimen is used as a measure of creep strain. The numerical model correctly predict the increase of creep deformation due to humidity and temperature transient conditions.
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Everything should be made as simple as possible but not simpler — Albert Einstein.
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