A significant area of interest in design of complex structures involves the study of multidisciplined problems. The coordination of several different intricate areas of study to obtain a particular design of a structure is a new and pressing area of research. In the past, each discipline would perform its task consecutively using the appropriate inputs from the other disciplines. This process usually required several time-consuming iterations to obtain a satisfactory design. The alternative pursued here is combining various participating disciplines and specified design requirements into a formal structural computer code. The main focus of this research is to develop a multidiscipline structural tailoring method for select composite structures and to demonstrate its application to specific areas. The development of an integrated computer program involves the coupling of three independent computer programs using an excutive module. This module will be the foundation for integrating a structural optimizer, a composites analyzer and a thermal analyzer. With the completion of the executive module, the first step was taken toward the evolution of multidiscipline software in the field of composite mechanics. Through the use of an array of cases involving a variety of objective functions/constraints and thermal-mechanical load conditions, it became evident that simple composite structures can be designed to a combined loads environment. Acquaviva, Thomas H. Glenn Research Center COMPOSITE STRUCTURES; COMPUTER AIDED DESIGN; FIBER COMPOSITES; STRUCTURAL ANALYSIS; THERMAL ANALYSIS; COMPUTER PROGRAMS; ENGINE PARTS; FINITE ELEMENT METHOD; HEAT TRANSFER; LAMINATES; MICROMECHANICS...

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