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AI-Driven Structural PerformanceActive

PITCH: Physics-Informed Transformer for Hysteretic Response Prediction

PI: Dr. Tadesse Wakjira

A physics-informed transformer with token classification for hysteretic response prediction and uncertainty quantification of RC columns.

0.055
NRMSE
Test median (n=38)
0.986
Correlation
Test set
6.7%
Peak Error
Shear force
247K
Parameters
Compact model
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Overview

This project develops a novel deep learning architecture, a Tokenized Bidirectional Transformer with FiLM Conditioning, that predicts the complete cyclic (hysteretic) shear force-drift response of reinforced concrete columns.

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Model Architecture

👆Interactive Diagram: Click or tap each element to reveal details
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Novel Contributions

1

Soft-Decode Bridge

Differentiable map from token logits to continuous shear values via temperature-scaled expected value.

2

FiLM Conditioning

Per-layer Feature-wise Linear Modulation from metadata embedding.

3

Native Uncertainty Quantification

Softmax distribution over 256 bins yields calibration-free uncertainty.

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Sample Results

PITCH result 1
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Technology Stack

TransformerGBMPhysics-Informed LossToken ClassificationPyTorch + CUDA
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Related Publications

PITCH: Physics-Informed Tokenized Transformer for Cyclic Hysteretic Response Prediction with Uncertainty Quantification

Wakjira, T.G., Goshu, H.L.

Appplied Soft Computing

Under Review2026
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Interested in This Research?

For code access, collaboration opportunities, or questions about this project, please contact the PI (Dr. Tadesse Wakjira) directly.

Contact PI