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始めに Radioss の周期的境界条件 /BCS/CYCLIC の例題を示します。 https://help.altair.com/hwsolvers/ja_jp/rad/topics/solvers/rad/bcs_cyclic_starter_r.htm このように、なんとなく想像のつく、シンプルな入力です。 円筒座標系に使う座標系を支持することからも分かるように、あくまでも円筒形状の物体のカット面に対する、周期的な境界条件になります。 とにかく、例題を見てみましょう。 例題 ダウンロード: https://us.v-cdn.net/6038102/uploads/N13I5QTXEDS4/model01.7z…
始めに OptiStruct 2024.1 のチュートリアルにブレーキ鳴き（複素固有値）の例題があります。 https://2024.help.altair.com/2024/hwsolvers/ja_jp/os/topics/solvers/os/brake_squeal_analysis_r.htm 本記事では、このモデルを HyperMesh 2025 で設定している様子を動画でお伝えします。 動画 https://fast.wistia.net/embed/iframe/fgsjntecns 動画視聴できない方は、こちらから、mp4 ファイルをダウンロードできます。…
始めに こちらの記事では https://community.altair.com/discussion/comment/191122#Comment_191122 TN が厚さ方向の最大応力、TT が横手方向の最大応力、という説明を行いました。 ただし、実際には、TN にも TT にも未達なのに、応力が低下していてしまうことがあります。 どうしてそれが起きるのかを示すのが本例題です。 例題 ダウンロード: https://us.v-cdn.net/6038102/uploads/2QBLEEEH3RIR/model01.7z 1x1x1mm…
The FlightStream Self-Paced Training Presentation is a comprehensive resource designed to help users of all experience levels master aerodynamic simulation at their own pace. This training covers everything from the basics of FlightStream, including its interface and physics theory, to advanced topics like multi-body…
PhysicsAI를 사용하기 위해선 H3D 확장자의 해석 결과 파일이 필요합니다. Hvtrans를 사용하면 지원되는 해석 결과 에 한해 H3D 파일로 변환할 수 있습니다. 해당 스크립트는 사용자가 지정한 경로 및 파일 확장자에 대해 확인하여 Hvtrans를 배치 모드로 실행하는 스크립트입니다. 한번에 많은 양의 해석 결과 파일을 H3D 파일로 변환하고자 할 때 사용할 수 있습니다. 사용 방법: py 파일을 텍스트 편집기로 열어 아래의 내용을 수정하고 저장 hvtransPath : hvtrans가 설치된 경로 지정 path : 해석 결과 파일이 위치한 최상위 폴더 경로 지정…
Overview: In engineering and manufacturing, the durability of parts is a critical factor that directly influences the safety, performance, reliability, and cost-effectiveness of products. Determining how long a component can function under specific conditions without failure is essential for ensuring product longevity,…
INTRODUCTION Developing a lunar lander is a challenging task, as the Odysseus lander proved. Landers must be lightweight, while withstanding the stresses of the rocket launch and landing. Under ideal conditions, the lander would achieve zero velocity both vertically and laterally as the vehicle touches down. Practically,…
Overview: Adjusting suspension angles is crucial for optimizing vehicle handling, tire wear, and overall performance. The ability to customize the camber, caster, and toe angles of your suspension effectively can be the difference between first or last place when it comes to motorsport. For this purpose, a modified front…
始めに 本記事では、円筒座標系を使った異方性材料の例題を示します。 利用するカードは、まず、材料に直交異方性材料の MAT9OR, https://help.altair.com/hwsolvers/ja_jp/os/topics/solvers/os/mat9ort_bulk_r.htm 円筒座標系に CORD2C https://help.altair.com/hwsolvers/ja_jp/os/topics/solvers/os/cord2c_bulk_r.htm 要素プロパティに PSOLID です。…
Overview: Tooth brush model with Tooth brush motion in the global coordinate system and relative motion for the brush itself (rotation and pressure on the tooth). Brush wires deformation and contact pressure on tooth can be analysed. Release Version: Radioss v2025.0 Model:…
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