Solving Finite Element Structural Dynamic Problems on Small Computers Using Semi-Explicit Methods

by Robert L. Mullen, Case Western Reserve Univ, Cleveland, OH, USA,
Rupa P. Purasinghe, Case Western Reserve Univ, Cleveland, OH, USA,

Document Type: Proceeding Paper

Part of: Electronic Computation


Numerical techniques based on the partial decomposition of a coefficient matrix, are developed for structural dynamic problems. Improved iterative techniques are discussed which could be used to solve structural dynamic problems that arise from finite element discretization. They have low computer storage requirements and use a large time step of integration. In solving these problems one could limit the number of iterations per time step to a lower value than that required for convergence, without loss of much accuracy.

Subject Headings: Finite element method | Structural dynamics | Dynamic structural analysis | Computer software | Decomposition | Computing in civil engineering | Convergence (mathematics) | Load factors

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