EFFICIENT COMPUTER ANALYSIS OF LARGE THREE-DIMENSIONAL PIPING SYSTEMS BY THE FINITE ELEMENT METHOD.
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The model, which is based on the Matrix Displacement Method of structural analysis, idealizes a piping system as an assemblage of twelve degree of freedom beam elements, and includes the effects of weight, differential temperature, internal pressure, settlement, elastic supports and skid friction. The computer program makes use of banding and a ″collapse″ of the structural stiffness matrix in an effort to obtain accurate solutions in relatively short periods of computer time. The results obtained for several field problems that illustrate the capabilities of the computer model are also included.
author list (cited authors)
Martinez, J. E., Cetiner, A., Jones, H. L., & Weiner, P. D.