Update and Improve Subsection NH - Simplified Elastic and Inelastic Design Analysis Methods Page: 3 of 366
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The objective of this subtask is to develop a template for the "Ideal" high
temperature design Code, in which individual topics can be identified and worked on
separately in order to provide the detail necessary to comprise a comprehensive Code.
Like all ideals, this one may not be attainable as a practical matter. The purpose is
to set a goal for what is believed the "Ideal" design Code should address, recognizing that
some elements are not mutually exclusive and that the same objectives can be achieved in
different way. Most, if not all existing Codes may therefore be found to be lacking in
some respects, but this does not mean necessarily that they are not comprehensive.
While this subtask does attempt to list the elements which individually or in
combination are considered essential in such a Code, the authors do not presume to
recommend how these elements should be implemented or even, that they should all be
implemented at all.
The scope of this subtask is limited to compiling the list of elements thought to be
necessary or at minimum, useful in such an 'Ideal' Code; suggestions are provided as to
their relationship to one another. Except for brief descriptions, where these are needed for
clarification, neither this repot, nor Task 9 as a whole, attempts to address details of the
contents of all these elements. Some, namely primary load limits (elastic, limit load,
reference stress), and ratcheting (elastic, e-p, reference stress) are dealt with specifically
in other subtasks of Task 9. All others are merely listed; the expectation is that they will
either be the focus of attention of other active DOE-ASME GenIV Materials Tasks, e.g.
creep-fatigue, or to be considered in future DOE-ASME GenIV Materials Tasks.
Since the focus of this Task is specifically approximate methods, the authors have
deemed it necessary to include some discussion on what is meant by "approximate".
However, the topic will be addressed in one or more later subtasks.
Advanced Consulting Engineering Services, Inc. - Sub-Task 9.1 Report July 21, 2008
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Abou-Hanna, Jeries J.; Marriott, Douglas L. & McGreevy, Timothy E. Update and Improve Subsection NH - Simplified Elastic and Inelastic Design Analysis Methods, report, June 27, 2009; United States. (digital.library.unt.edu/ark:/67531/metadc932094/m1/3/: accessed December 19, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.