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Dantzig, J.A., Wiese, Jeffrey W. 2014-12-15T21:41:36Z 2014-12-15T21:41:36Z 10000-01-01 1988 1988 A method has been developed to predict stress development in gray iron foundry castings. Using a commercial finite element package with a user written element formulation, stresses resulting from thermal displacements in the cooling casting are computed while accounting for cast iron's radically different behavior in tension and compression with a new yield function. A user-written element is also provided to apply force-displacement boundary conditions to the surface of the casting, eliminating the mold's finite element mesh from the problem. This new method for stress allows for the correct solution of thermal stress problems in gray cast iron in only a small fraction of the time previously necessary. Made available in DSpace on 2014-12-15T21:41:36Z (GMT). No. of bitstreams: 1 8823289.pdf: 3408913 bytes, checksum: 837ba33ab7ff1893d8a6616f4b36259c (MD5) Previous issue date: 1988 Embargo set by: Seth Robbins for item 70321 Lift date: Forever Reason: Restricted to the U of I community idenfinitely during batch ingest of legacy ETDs Restricted to the U of I community idenfinitely during batch ingest of legacy ETDs U of I Only 122 p. Thesis (Ph.D.)--University of Illinois at Urbana-Champaign, 1988. http://hdl.handle.net/2142/70155 (UMI)AAI8823289 Engineering, Mechanical Predicting Stress Development in Gray Iron Foundry Castings text Mechanical Engineering Mechanical Engineering University of Illinois at Urbana-Champaign Dissertation Ph.D.