Data-parallel computation of EBE finite element method for air/water/soil coupled system

• Published in: Computational mechanics 1999-03, Vol.23 (2), p.158-163
• Main Authors: OKUDA, H, OHSHIRO, K, ATSUGI, T
• Format: Article
• Language: English
• Subjects: Applied sciences; Bridge elements; Bridge piers; Bridges; Buildings; Buildings. Public works; Computational fluid dynamics; Computational methods in fluid dynamics; Exact sciences and technology; Finite element method; Fluid dynamics; Fluid flow; Fluid-structure interaction; Fundamental areas of phenomenology (including applications); Incompressible flow; Parallel processing; Physics; Public facilities (municipal, law court, etc.); Soil water; Subway stations; Types of buildings; Viscous fluids
• ISSN: 0178-7675; 1432-0924
• DOI: 10.1007/s004660050396

The authors developed a method to adequately compute the fluid-structure interactions to analyze a coupled phenomena for gas, liquid and solid. With the implementation of VOF method, the new methodology may handle the moving boundaries as well. The present technique is based on the predecessing approach for analyzing the incompressible viscous fluid for large scale problems [3]. The characteristic of this method is that by implementing the matrix-storage free formulation [1], which is based on the one-point quadrature scheme, the amount of necessary storage and the number of operations for calculating the integration are considerably. Moreover, the data-parallel coding is implemented taking advantage of the element-by-element structure of the program. We selected two problems in order to examine the effectiveness of this newly developed program:flow inside a subway station and water scour around a bridge pier.