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Added PINN vs FEM structural dynamics example#174

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Added PINN vs FEM structural dynamics example#174
JonSpivak666 wants to merge 1 commit into
zhuminjie:openseespyfrom
JonSpivak666:add-pinn-fem-example

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Add PINN vs FEM Structural Dynamics Example

This PR introduces a Physics-Informed Neural Network (PINN) example for comparison against a classical FEM solution using OpenSeesPy.

Features

  • SDOF structural dynamics model
  • Harmonic excitation
  • FEM transient response analysis
  • PINN approximation using PyTorch
  • Comparison plots between FEM and PINN solutions

Motivation

The example demonstrates how machine learning methods can be integrated with computational structural mechanics workflows and may serve as an educational example for researchers and students working on scientific machine learning and structural dynamics.

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