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Geotechnical Global Webinar Series 2026 Edition: SSI & Pile Foundation Soil Structure Interaction
in the case of Pile Raft Foundation

AI Summary

This session focuses on the practical Soil-Structure Interaction (SSI) analysis process for pile raft foundations, featuring a live demonstration of NX Interact. To address the complex data exchange challenges inherent in large-scale foundation design, the session demonstrates an automated iterative analysis workflow using API integration between GTS NX and CIVIL/GEN NX. Through a practical study on a large-scale piled raft foundation, participants will explore a more efficient workflow for iterative analysis, along with useful insights into improving modelling accuracy and design productivity. 

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Description

In this session, we will demonstrate the practical application of Soil-Structure Interaction (SSI) with a specific focus on pile raft foundations. The structural integrity of complex foundat ions depends on the effective exchange of load and stiffness data between the soil continuum and the structural elements. Traditional manual data transfer often creates bottlenecks in the design workflow, especially when multiple iterations are required for convergence.

This session introduces the NX Interact function, an API-based feature that automates iterative SSI analysis between GTS NX and CIVIL/GEN NX. The presentation includes a detailed study on pile raft foundation behavior, from laterally loaded pile modelling to stress analysis of a large-scale piled raft system. Participants will also gain practical tips and tricks for soil continuum modelling, along with insights into building a more efficient and accurate SSI workflow. 

Key Points

Automated Iterative SSI AnalysisExperience the NX Interact function that automates complex data transfer between GTS NX and structural software via API, reducing manual errors and improving convergence efficiency.

Study on Pile Raft FoundationFollow a detailed study on piled raft foundation behaviour, covering key modelling approaches from soil continuum setup to advanced stress analysis of a large-scale piled raft system.

Soil Continuum Modelling Tips and TricksLearn practical techniques for modelling pile raft foundations more effectively, including efficient data exchange, stiffness feedback, and workflow optimization for SSI analysis.

Benefit

Presentation File

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Speaker

Harsha Tadavarthi Geotechnical Team Leader & Technical Manager MIDAS IT Australia
Harsha Tadavarthi is the Technical Manager for the Oceania region at MIDAS IT, with over 8 years of experience in geotechnical engineering. He specializes in advanced numerical modeling and provides expert support for geotechnical and structural analysis across dams, hydropower, underground, mining, and other critical infrastructure projects. Harsha's expertise also includes thermal and seismic simulation of dams, as well as the design and analysis of complex geotechnical systems. He leads the seamless delivery of solutions in dam engineering, ensuring industry-leading support and innovation in geotechnical modeling. Through consultancy, training, and international workshops, he empowers professionals with both practical insights and theoretical foundations in geotechnical and structural modeling, fostering excellence across the engineering community.
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