This is Fig. 1 from the 1986 users manual paper, “BOSOR4 – Program for stress, stability and vibration of complex, branched shells of revolution”, by David Bushnell, in STRUCTURAL ANALYSIS SYSTEMS – Vol. 2, A. Niku-Lari, editor, Pergamon, 1986, pp. 25-54.
This slide shows examples of branched structures that can be analyzed with BOSOR4/BIGBOSOR4.
(a) multi-segment, branched shell of revolution,
(b) part of a cylindrical shell with an internal T-shaped ring in which the ring web and ring outstanding flange are modeled as two little flexible shell segments,
(c) part of a cylindrical shell with an internal T-shaped ring in which the ring is modeled as a “discrete ring”, the cross section of which can translate and rotate but which does not deform,
(d – f) three different prismatic thin-walled structures. (from Computers & Structures, Vol. 4, pp 399 – 435, 1974)
NOTE: the program, BIGBOSOR4, supersedes BOSOR4. BIGBOSOR4 will handle shells of revolution and prismatic shells with many more segments than will BOSOR4. BIGBOSOR4 will accommodate models with up to 295 shell segments.
BIGBOSOR4 has been "hooked up" with GENOPT, so that one can use GENOPT to optimize shells of revolution and prismatic panels and shells.
(See the slide show associated with the GENOPT link on this website.)
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