Interpreting adjoint equations in structural optimization

Ashok D. Belegundu

Research output: Contribution to journalArticlepeer-review

13 Scopus citations


The adjoint method has been used in structural optimization to compute sensitivity coefficients of cost and constraint functions with respect to design parameters. The adjoint method involves the calculation of an adjoint vector from certain adjoint equations. So far, the adjoint equations have been considered only as a numerical tool for computing sensitivity coefficients. In this paper, the adjoint equations are given a physical interpretation, and it is shown that the components of the adjoint vector are the influence coefficients associated with the given function. Importantly, the interpretation of adjoint equations in this paper provides a new method for obtaining influence coefficients.

Original languageEnglish (US)
Pages (from-to)1971-1976
Number of pages6
JournalJournal of Structural Engineering (United States)
Issue number8
StatePublished - Aug 1986

All Science Journal Classification (ASJC) codes

  • Civil and Structural Engineering
  • Building and Construction
  • General Materials Science
  • Mechanics of Materials
  • Mechanical Engineering


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