Surrogate Model

AttentionCNNを用いた工学的説明性の高い地震応答予測サロゲートモデルの構築

In this study, an explainable seismic response surrogate model, which can be deemed valid from an engineering perspective, was developed. The model employs SincNet convolution to segment features by frequency band and an attention mechanism to …

高次元不確定性を扱う構造信頼性解析への正則化深層カーネル学習サロゲートモデル構築(シンポジウム講演概要)

This study presents a regularized Deep Kernel Learning (DKL) model for reliability analysis with high-dimensional uncertainties. Combining Deep Learning (DL) and Gaussian Process Regression (GPR), the model leverages DL for feature extraction and GPR …

深層カーネル学習代替モデルによる高架橋システムの地震フラジリティ解析

Seismic fragility analysis of structures such as bridges must consider not only the uncertainties in the loads to which the structure is subjected, but also the uncertainties in the physical properties of the structure due to deterioration and other …

橋梁の地震フラジリティ解析効率化のためのガウス過程回帰代替モデル構築(招待講演)

Gaussian Process Regression Surrogate Model for Seismic Vulnerability Assessment of Highway Bridge Structure System

System fragility is required especially for the vulnerability assessment of existing bridges that configure transportation network as a structural system. Here, it is essential to consider not only variation of input ground motions but also the …

Gaussian Process Regression Surrogate Model for Seismic Vulnerability Assessment of Highway Bridge Structure System

EVACES, 2023

高次元不確定性を扱う構造信頼性解析を効率化するガウス過程ベース代替モデル構築(招待講演)

PINN構造振動解析のARによるリアルタイム可視化

Real-time simulation of structures and structural members enables intuitive and immediate understanding of displacements and stresses, contributing to efficient decision making in design and maintenance. In this study, real-time simulation of …

SPH法に基づく微分演算を内包した深層学習による粒子法代替モデルの説明性向上

The particle method does not require any computational grid and is an effective numerical method for simulating behaviors of the continuum mechanics. However, the computational cost is the issue to apply it to more complex physics or to the Monte …

Transfer learning Gaussian process regression surrogate model with explainability for structural reliability analysis under variation in uncertainties

Computers & Structures, 2023