Influence of residual stresses and thermal gradients on mechanism of buckling of shallow spherical shells

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086 0 ‡aD 301.45/46-2:66-210
088 ‡aAD 0816696
088 ‡aAFFDL TR 66-210
100 1 ‡aSunakawa, Megumi. ‡eauthor.
245 1 0 ‡aInfluence of residual stresses and thermal gradients on mechanism of buckling of shallow spherical shells / ‡cMegumi Sunakawa, R.M. Evan-Iwanowski.
264 1 ‡aWright-Patterson Air Force Base, Ohio : ‡bAir Force Flight Dynamics Laboratory, Research and Technology Division, Air Force Systems Command, United States Air Force, ‡c1967.
300 ‡a[2], xvi, 183 pages : ‡billustrations, figures, tables ; ‡c28 cm.
336 ‡atext ‡btxt ‡2rdacontent
337 ‡aunmediated ‡bn ‡2rdamedia
338 ‡avolume ‡bnc ‡2rdacarrier
490 0 ‡aAir Force Flight Dynamics Laboratory (U.S.). Technical report ; ‡vAFFDL TR 66-210
500 ‡a"This report was prepared by the Department of Mechanical and Aerospace Engineering, Applied Mechanics Laboratory, Syracuse University Research Institute, Syracuse, New York, under USAF Contract No. AF 33(615)-1145. The contract was initiated under Project No. 1467, "Structural Analysis Methods", Task No. 146703, "Plates and Shells Structural Analysis"."
500 ‡a"Syracuse University Research Institute."
504 ‡aIncludes bibliographical references (pages 42-43).
520 ‡aThis report contains results of a theoretical and experimental investigation of the influence of residual stresses and thermal gradients on stability of shallow spherical shells. Basic equations, thermoelastic problems for spherical shells, taking a large deformation into consideration, are derived. Assuming 'damped' axisymmetrical deformation pattern, solution for the stability of spherical shell subjected to external pressure is presented. Good agreement between the theoretical and previous experimental results is obtained. The effects of residual stresses and thermal gradients on stability of spherical shells subjected to external pressure are determined. These effects are of considerable significance, and should be taken into account in application. Experiments indicating the effects of residual stresses have been performed for 'inverted' shells subjected to symmetrical and eccentric concentrated loads.
538 ‡aMode of access: Internet.
583 1 ‡awill digitize ‡c20200915 ‡zQueued for digitization ‡cSeptember 15, 2020 ‡5miu ‡2pda
650 0 ‡aAxial flow.
650 0 ‡aBuckling (Mechanics)
650 0 ‡aShells (Engineering)
650 0 ‡aThermal stresses.
700 1 ‡aEvan-Iwanowski, R. M., ‡eauthor.
710 2 ‡aAir Force Flight Dynamics Laboratory (U.S.), ‡eissuing agency.
710 2 ‡aSyracuse University. ‡bResearch Institute, ‡esponsor.
730 0 ‡aTechnical Report Archive & Image Library (TRAIL)
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