Abstract: | Several experiments are reported in which thermal stresses were simulated in photoelastic models by a mechanical-prestraining method. This method permitted the study of complex stress distributions arising from simple thermal-expansion conditions. The validity of the method is demonstrated by providing a comparison between theoretical and experimental results obtained for a fundamental disk problem. The usefulness of the method is illustrated by presenting some results of a tube-sheet experiment pertaining to a difficult engineering problem. Additional applications are described to indicate the variety of problems that may be studied by the prestraining method.Thomas Slot was formerly associated with Advanced Technology Laboratories, General Electric Co., Schenectady N.Y.; is now with Nuclear Materials and Propulsion Operation, General Electric Co., Cincinnati, Ohio.Paper was presented at 1965 SESA Spring Meeting held in Denver, Colo., on May 5–7. |