多入力を受ける弾塑性配管系の応答低減効果

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  • Response Reduction Effect of Elastic-Plastic Piping Systems Subjected to Multiple Input

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<p>This paper deals with a new method to estimate the maximum response of the multiple supported (multi -input) nonlinear piping systems. There are many papers concerned with the response analysis of a system having nonlinear properties, such as friction or elastic-plastic characteristics. However, most of them are for the one input nonlinear system because it seems that an application to multiple input nonlinear system is more difficult than that to one input nonlinear system. Although a simple method for estimating the maximum response for multiple input linear systems is also proposed, it cannot use for nonlinear systems. In recent years, the importance of seismic design considering both nonlinear and multiple input problems has been focused. Therefore, we propose a method to estimate the maximum response of multiple input system with elastic-plastic characteristic for rationalization and high evaluation of seismic design of piping systems in the present study. The estimated results are compared with simulated value by numerical simulation and showed the effectiveness of our method.</p>

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