Structural Design and Analysis of Passenger Rail Vehicle Car Body
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Date
2014-09
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Addis Ababa University
Abstract
The purpose of the study is to design and analyze a rail vehicle car body structure that solves the
issue of strength & comfort. Modern rail vehicles passenger Car bodies are designed as
lightweight structures with the aim to minimize mass and thus operational energy demand. At the
same time the vehicle car body shall be designed as stiff as possible to withstand exceptional
loads. To achieve these, both rigid and flexible body vibration frequencies shall be filtered by
appropriate design of suspension system. The materials used in the design and construction of
passenger rail vehicle car body structure is structural steel( st 36) that has greater resilience to
different production methods and available in local market compared to other materials used for
the same application. The result shows the selected sections for the different components of the
rail vehicle are capable of carrying the intended purpose. However, some sections are critically
loaded beyond the allowable yield stress. These sections have to be reinforced to make them stiff
enough that they bear the load. In addition, the first six natural frequencies are calculated using
ANSYS design and modeling software. The frequency is compared to the sensitivity range of
human being in vertical ride comfort. The design and analysis is applicable to Rail Way
Corporation & local manufacturer’s that has plan to substitute import by local manufacturing of
passenger rail vehicle car bodies
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Keywords
Passenger Rail Vehicle, Rail Vehicle Car Body, Structural Design