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🌏

MIDAS CIVIL NX HYPER-S CIVIL NX HYPER-S:
Practical Euro/BS Curved RSI Workflow

AI Summary

  • Rail-Structure Interaction (RSI) is becoming increasingly important for railway bridge projects, especially where turnout zones, expansion joints, and transition sections require more detailed evaluation of rail displacement and structural response.

 

  • In this webinar, we will explore practical RSI workflows using MIDAS CIVIL NX, covering track-level and rail-level modeling, turnout modeling, elastic link generation, automated RSI case setup, and engineering interpretation through real railway bridge examples.
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📌 Description

Rail-Structure Interaction (RSI) is becoming increasingly important for railway bridge projects that require more realistic evaluation of track–structure behavior, especially where turnout zones, bridge expansion joints, and transition sections overlap within limited distances. In these cases, engineers need a more detailed review of rail-level displacement and structural response beyond simplified RSI assumptions.

In the SEA market, especially in Malaysia and Vietnam, this topic is becoming increasingly relevant for engineers involved in railway bridge design, review, and project delivery. As railway infrastructure projects continue to expand, practical RSI workflows that can be applied directly in engineering work are becoming more valuable.

In this webinar, we will first share a railway bridge case presentation based on Rail-Structure Interaction of High-Speed Railway Bridges and Design Case Study of Rahmen-Type Bridge using Civil NX. The session will cover why special RSI analysis is required, how detailed turnout modeling and rail-level modeling can be used, how relative rail–structure displacement is evaluated, and how these findings connect to structural reinforcement and design decisions.

Following that, Jayakrishnan (JK) will continue with a practical MIDAS session to explain how these RSI workflows can be approached in CIVIL NX from a user and engineering application perspective. Through the full session, participants will gain a clearer understanding of how RSI-related analysis and review can be applied more effectively in real railway bridge projects.

💡 Key Points

Understand why special RSI analysis is - required in railway bridge projects with turnout and expansion joint overlap.

Learn the difference between track-level modeling and rail-level modeling for RSI review.

Review how relative rail–structure displacement is evaluated under different temperature conditions.

Understand the workflow of detailed turnout modeling, elastic link generation, and automated RSI case generation.

Explore the design concept of railway Rahmen bridges and how automation can support engineering workflow.

Learn how these workflows can be interpreted and applied in practical railway bridge engineering projects.

🤵 Speaker

Jayakrishnan Technical Support Engineer MIDAS R&D Center Pvt. Ltd
Jayakrishnan obtained his master¡¯s degree in Structural Engineering from the Sardar Vallabhbhai Patel National Institute of Technology (SVNIT), Surat. He is currently a Technical Support Engineer at Midas IT India, where he works closely with Bridge and Structural engineers worldwide. His primary role involves providing technical support on queries related to Bridge engineering, Building engineering, and Midas software.
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