Oct 19, 2016
The equivalent linear approach in frequency domain (ELFD) is the current state of practice for performing seismic soil-structure interaction (SSI) analysis of nuclear facilities. Although the ELFD method would produce reliable results for small to medium intensity...
Oct 19, 2016
As a partial response to post-Fukushima Near-Term Task Force (NTTF) Recommendation 2.1 from the Nuclear Regulatory Commission (NRC), several operating nuclear power plants commissioned seismic probabilistic risk assessment (SPRA) studies to evaluate the impact of...
Jun 14, 2016
Arbitrary Lagrangian – Eulerian (ALE) methodology has been used in Fluid – Structure Interaction (FSI) analyses with LS-DYNA® for a variety of problems. Validation of ALE solutions by comparison with experimental data provides assurance that the solutions...
May 25, 2016
The seismic Soil-Structure Interaction (SSI) analysis of nuclear facilities is usually performed in frequency domain where the response of the soil-structure system’s components is modeled as linear. The linear response assumption may be appropriate for small- to...
Feb 14, 2016
The safety related structures in nuclear power plants often need to be designed to withstand the effects of tornado generated missile impacts. The heaviest missile to consider is often an automobile which is a soft missile due to its large deformations during the...
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