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モデリングとシミュレーションによる固体材料の表面下欠陥の横向的な特徴づけのための相ベースの熱波分析

Botao Ma1, Chen Liu1, Shupeng Sun1

  • 1Department of Engineering Mechanics, School of Civil Engineering, Shandong University, Jinan 250061, China.

Materials (Basel, Switzerland)
|August 28, 2025
PubMed
まとめ

ロックイン・サーモグラフィーは 調節された熱波を使って 表面下にある欠陥を探します 刺激周波数は横断解像度と深さの感度に影響し,より高い周波数は浅い欠陥の境界の定義を改善します.

キーワード:
有限要素シミュレーションロックイン・サーモグラフィー非破壊的試験地下欠陥検出熱拡散長熱波分析

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Standing Waves in a Cavity01:28

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A household microwave and lasers are examples of standing electromagnetic waves in a cavity. When two conducting metal plates are placed parallel at the nodal planes, it creates a cavity where standing waves are formed. The cavity between the two planes is analogous to a stretched string held at the points x = 0 and x = L. Here, the distance 'L' between the two planes must be an integer multiple of half of the wavelength. The wavelengths that satisfy this condition are given by:
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