Case study using seismic waves from the Great East Japan Earthquake!!
**Case Summary** ■Product Name: NX Nastran ■Industry: Construction There are many structural forms for containers that store liquids and their supports. During an earthquake, the dynamic liquid pressure caused by sloshing of the liquid surface in the tank acts on the container's side walls and bottom plate, resulting in damage to the tank and rocking vibrations that can cause parts of the bottom plate to lift, leading to tank damage. This case study utilized the virtual fluid boundary and phantom elements of NX Nastran to perform transient response analysis on three types of tanks, as shown in the figure on the right, using the seismic waves from the 2011 Great East Japan Earthquake (M9). Below, we present the sloshing behavior during the earthquake and the distribution of dynamic liquid pressure. * Downloaded from K-NET For more detailed information, please refer to the catalog or contact us directly.
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basic information
Using the virtual fluid boundary and phantom elements of NX Nastran, we conducted a transient response analysis of the tank using the seismic waves from the 2011 Great East Japan Earthquake.
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Applications/Examples of results
○ Liquid surface movement ○ Dynamic liquid pressure distribution
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At N.S.T, we provide a variety of support to comprehensively assist our customers in better manufacturing, ranging from the provision of diverse analysis tools to their utilization methods and contract analysis. Our company offers truly usable numerical analysis tools and seamlessly supports the introduction and operation of these tools by leveraging the know-how gained through our extensive experience in the field of numerical analysis.
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