異なる周波数帯で動作するデバイスを解析する際に、それぞれの周波数帯を Multi-Frequency で指定した上で全帯域を Fast Sweep で解析したところ、明らかに不適切な結果になった。(例えば、増幅したように見える周波数が現れた) Discrete Sweep では妥当な結果になるが、解析に時間がかかり過ぎる。Fast Sweep を使いたい。
Tagged: 2021 R2, Analysis (HFSS), Frequency Sweep, hfss
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January 31, 2023 at 9:25 am
FAQ
ParticipantInterpolating Sweep であれば、タイトルのような設定をお勧めしています。 各周波数の電磁場分布や利得まで計算したい場合は、Interpolating Sweep は使えません。解析したい周波数が多数に及ぶ場合は、Fast Sweep を使うことになりますが、Fast Sweep で十分な精度が得られる帯域はあまり広くはありません。(目安は中心周波数の ±20%) 本例の場合は、Setup を複数用意していただき、それぞれに Adaptive Mesh の設定と Fast Sweep の設定を行い、それぞれの Setup の解析を実行してください。
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- [error] Solving adaptive frequency …, process hf3d error: Matrix solver exception: file I/O failure.
- [error] Doing Multiple Region Initial Mesh Assembly, process mesh3d : Unexpected internal software error. Please contact Ansys technical support
- [info] Failed to delete temporary files on server ‘localhost’. Found File ~ . You may want to manually delete directory ‘~’.
- [info] Normal completion of simulation on server: Local Machine.
- MPI 分散計算が行えない場合のチェック項目
- [info] Failed to delete temporary files on server ‘localhost’. Found File ~ . You may want to manually delete directory ‘~’.
- [warning] For magnetic materials it is recommended to solve for at least 5 inductance passes.
- [info] Failed to start next variation. Analysis will stop when all running variations are finished.
- 一台の PC に複数の NIC (Network Interface Card) が有効な場合の Intel MPI の必要設定について
- [info] A variation (変数条件) has been requested using the following machines: Local Machine
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