Conclusion
When determining the viscoelastic characteristics of polymeric materials, a mismatch in the experimental data of the model used in their analysis, which appears in particular in indeterminacy of estimates of the model parameters, leads to weak extrapolation possibilities of the latter. One of the methods of increasing the effectiveness of experiments consists of optimization of the test loading (deforming) law of the sample according to informational criteria which take into account in the general case the class of loading (deforming) processes of the material to which the experimental data are being extended. In a broader plan the informational criteria permit tying the experimental problem to definite classes of boundary-value problems and thereby posing problems for purposeful experimental investigations. Not only the parameters of the loading (deforming) law but also any other parameters determining the effectiveness of the experimental investigation can be included among the quantities being varied [10]. A successful solution of the problems under discussion can be carried out on the basis of systems for the automatization of experimental investigations which incorporate a control computer into their makeup.
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Translated from Mekhanika Kompozitnykh Materialov, No. 6, pp. 977–982, November–December, 1982.
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Isaev, K.V. Some informational aspects of the experimental determination of the viscoelastic characteristics of polymeric materials. Mech Compos Mater 18, 648–652 (1983). https://doi.org/10.1007/BF00604143
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DOI: https://doi.org/10.1007/BF00604143