[Case Study] Large-Scale Finite Element Analysis of Train Vehicle Dynamics
Perform eigenvalue analysis of a 10-car train model using Simcenter Femap with Nastran, calculating the natural frequencies up to 20 Hz.
**Case Summary** ■Product Name: Simcenter Femap with Nastran ■Analysis: Modal Analysis ■Industry: Railways and Shipping Since railway vehicles operate in a coupled manner, it is necessary to analyze the motion characteristics of the entire train when considering the dynamics of the vehicles. To accurately predict the vibrations generated in various parts of the moving vehicles, a vehicle simulation using a FEM model that closely resembles the actual structure, rather than a uniform beam or equivalent plate structure, is required. On the other hand, such analyses heavily depend on the computational environment, model creation, and result display capabilities, necessitating parallel computing solutions and efficient pre/post-processing software. In this example, a vehicle body was created using Simcenter Femap, and a modal analysis of a 10-car train model was conducted using Simcenter Nastran to determine the natural frequencies up to 20 Hz.
basic information
This is an introduction to a large-scale finite element analysis case of train vehicle dynamics using Simcenter Femap with Nastran.
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Model number/Brand name
Simcenter Femap with Nastran
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