Experimental and numerical analysis of the thermal deformation of composite tubes

Daniel Holstein; Petra Aswendt; Roland Hoefling; Claus-Dieter Schmidt; Werner P. O. Jueptner

doi:10.1117/12.323351

29 September 1998 Experimental and numerical analysis of the thermal deformation of composite tubes

Daniel Holstein, Petra Aswendt, Roland Hoefling, Claus-Dieter Schmidt, Werner P. O. Jueptner

Proceedings Volume 3407, International Conference on Applied Optical Metrology; (1998) https://doi.org/10.1117/12.323351
Event: International Conference on Applied Optical Metrology, 1998, Balatonfured, Hungary

Abstract

The thermally induced deformation of anisotropic composite tubes with different thicknesses is studied by means of Finite-Element-Analyses and interferometric measurement techniques. Of particular interest are the differences in the deformation behavior in comparison to isotropic tubes. It is shown that characteristic bending phenomena appear at the shell surfaces of the tubes, due to the three-dimensional stress state near the edges. The simulated thermal deformation is experimentally verified by means of holographic as well as speckle interferometry. The results of this work show that the implemented micro- and macromechanics of both used Finite- Element systems enables to predict the thermal deformation of composite tubes properly, if a suitable model is used. Nevertheless, especially for thin tubes significant discrepancies between the simulated and the measured deformation could appear, due to the disregarding of the complex microscopic structure in the simulation. Thus experimental verifications with fullfield measurement techniques should generally be performed.

Citation Download Citation

Daniel Holstein, Petra Aswendt, Roland Hoefling, Claus-Dieter Schmidt, and Werner P. O. Jueptner "Experimental and numerical analysis of the thermal deformation of composite tubes", Proc. SPIE 3407, International Conference on Applied Optical Metrology, (29 September 1998); https://doi.org/10.1117/12.323351

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