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August J. Durelli
Researcher at The Catholic University of America
Publications - 75
Citations - 474
August J. Durelli is an academic researcher from The Catholic University of America. The author has contributed to research in topics: Photoelasticity & Stress (mechanics). The author has an hindex of 12, co-authored 75 publications receiving 466 citations.
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Interpretation of fringes in stress-holo-interferometry
TL;DR: In this article, it was shown that the position and even the existence of the fringes are affected by the interaction of the isopachics and isochromatics, and that the independent superposition interpretation is not always valid and can result in serious errors in some cases.
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Various forms of the strain-displacement relations applied to experimental strain analysis: Strain-displacement relations are presented in a general way and modified forms are developed for three special cases
TL;DR: In this paper, the authors present the strain-displacement relations in a general way and develop modified forms for three special cases which have application in experimental strain analysis: small rotations, large rotations and small strains.
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Shrinkage stresses around rigid inclusions - Investigation indicates that stress field obtained corresponds to the thermal-stress field produced by a difference in the coefficients of thermal expansion of the matrix and the inclusion material
TL;DR: In this paper, the authors present methods to study shrinkage stresses in matrices cast around rigid inclusions, and an alternate method for the study of the relative or dimensionless stress distribution using rubber models with inserted inclusions.
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Photothermoelastic analysis of bonded propellant grains - A technique for the direct thermal loading of propellant-grain models has been developed and the results obtained for this loading have been compared with those obtained previously using pressure loading
TL;DR: In this paper, a two-dimensional model of the transversal cross section of a bonded rocket propellant grain was subjected to uniform and steady thermal loading and, alternatively, to mechanically applied uniform radial displacements on the outer boundary.
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On the definitions of strain and their use in large-strain analysis
TL;DR: In this article, it was pointed out that when strains are computed from a displacement field, the engineering definition of strain has advantages in respect to other definitions used in finite-strain theory.