Analysis of piping system response to seismic excitations

Conference · Thu Jan 01 00:00:00 EST 1987

OSTI ID:6305326

Wang, C Y

This paper describes a numerical algorithm for analyzing piping system response to seismic excitations. The numerical model of the piping considers hoop, flexural, axial, and torsional modes of deformation. Hoop modes generated from internal hydrodynamic loading are superimposed on the bending and twisting modes by two extra degrees of freedom. A time-history analysis technique using the implicit temporal integration scheme is addressed. The time integrator uses a predictor-corrector successive iterative scheme which satisfies the equation of motion. Both geometrical and material nonlinearities are considered. Multiple support excitations, fluid effect, piping insulation, and material dampings can be included in the analysis. Two problems are presented to illustrate the method. The results are discussed in detail.

• Research Organization: Argonne National Lab., IL (USA)
• DOE Contract Number: W-31109-ENG-38
• OSTI ID: 6305326
• Report Number(s): CONF-870636-14; ON: DE87011440
• Resource Relation: Conference: 5. national congress on pressure vessels and piping, San Diego, CA, USA, 28 Jun 1987; Other Information: Paper copy only, copy does not permit microfiche production
• Country of Publication: United States
• Language: English

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FINITE ELEMENT METHOD
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