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This is a model of the heating process in a microwave oven. The distributed heat source is computed in a stationary, frequency-domain electromagnetic analysis. This is followed by a transient heat transfer simulation showing how the heat redistributes in the food. 詳細を見る

Electronic equipment often has to be certified to function after having been subjected to a specified shock load. In this example, the effect of an 50g 11ms half sine shock on a circuit board is investigated using response spectrum analysis. The results are compared with a time domain ... 詳細を見る

This model shows how to compute the anchor loss limited quality factor of a diamond disc resonator. The resonator is anchored to the substrate by a polysilicon post and power is transmitted to the substrate through the post. A perfectly matched layer is used to represent the essentially ... 詳細を見る

Planar photonic waveguides in silica (SiO2) have great potential for use in wavelength routing applications. The major problem with this type of waveguide is birefringence. Anisotropic refractive indices result in fundamental mode splitting and pulse broadening. The goal is to minimize ... 詳細を見る

FSI analysis of a sports car side door and side rear view mirror. The model is based on large eddy simulation analysis of a sports car. The flow field is used for a structural analysis of the side mirror and side door to estimate the flow-induced vibrations. 詳細を見る

This example performs the analysis of a viscoelastic damper. The damper is intended for reduction of wind-induced and seismic vibrations in buildings and other tall structures. 詳細を見る

このモデルは, 互いに等距離に配置された GaAs 柱で構成されるフォトニック結晶における波動伝播を調査します. 柱間の距離は, 光の波数と周波数の関係を決定し, 特定の波長の光が結晶構造内を伝播するのを防ぎます. この周波数範囲はフォトニックバンドギャップと呼ばれます. 特定の構造には複数のバンドギャップがあり, このモデルは結晶の最低周波数帯域のバンドギャップを抽出します. バンドギャップ解析には, 主に2つの複雑な問題があります. 1つは, GaAs の屈折率が周波数に依存することです. 2つ目は, ... 詳細を見る

Fiber composites are widely used in industrial applications. Compared to more traditional metallic engineering materials, fiber composites often have superior specific stiffness and strength properties, and they are often more corrosion resistant. Also, properties like strength, ... 詳細を見る

This tutorial illustrates how to use a reduced order model to compute the response of a structure subjected to three simultaneous loads having independent time histories. Reduced order models provide an efficient way to analyze problems within linear structural dynamics. 詳細を見る

磁場中の鉄球は, 磁場が透過性材料と相互作用する効果を示す優れた教科書的な例です. このチュートリアルシリーズは, COMSOL を用いた電磁効果の数値モデリングの入門として設計されています. このシリーズでは, 静的背景磁場と 60 Hz, 20 kHz, 13.56 MHz の3つの時間変動磁場からなる4つの異なる背景磁場レジームを解析します. これらのレジームはそれぞれ独自の挙動と前提を持ち, 異なるモデリング手法を用いています. これらのモデルはすべて, 入門モデルを出発点として, 任意の順序で完成させることができます. 詳細を見る