Abstract. Automatic differentiation {AD) is a methodology for developing reliable sensitivityenhanced versions of arbitrary computer programs with little human effort. It can vastly accelerate the use of advanced simulation codes in multidisciplinary design optimization, since the time for generating and verifying derivative codes is greatly reduced. In this paper, we report on the application of the recently developed ADIC automatic differentiation tool €or ABSI C programs to the CSCMDO multiblock three-dimensiond volume grid generator. The ADIC-generated code can easily be interfaced with Fortran derivative codes generated with the ADIFOR AD too1 for FOR-TRAN 77 progritIIis, thus providing efficient sensitivity-enhancement techniques for multilasguage, multidiscipline problems.
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