We have an exciting announcement about badges coming in May 2025. Until then, we will temporarily stop issuing new badges for course completions and certifications. However, all completions will be recorded and fulfilled after May 2025.
流体全般

流体全般

  1. マイチャンネル
  2. AIS Japan - 流体全般
  3. Polyflowで体積（質量）保存の精度が低い場合の改善方法

Polyflowで体積（質量）保存の精度が低い場合の改善方法

Tagged: 2019 R2, General, polyflow
    • January 31, 2023 at 8:55 am
      FAQFAQ
      Participant

      3次元モデルの場合は速度場の要素補間(Interpolation)のデフォルトが Lienar velocitiesです。この設定で体積保存の誤差が大きい場合には要素補間法を変更してみください。Mini-element velocitiesまたは Quadratic velocitiesタイプの要素補間を選択することで体積保存則の精度向上が期待できます。ただし、高次要素を選択する場合は要求メモリが多くなる（計算コストが高くなる）点にご注意ください。 ※体積保存の誤差は LinstingファイルのFlow rateリポートで確認可能です。 ※2次元モデルの場合は Quadratic velocitiesタイプがデフォルトです。

Featured Articles

Introducing Ansys Electronics Desktop on Ansys Cloud

The Watch & Learn video article provides an overview of cloud computing from Electronics Desktop and details the product licenses and subscriptions to ANSYS Cloud Service that are...

How to Create a Reflector for a Center High-Mounted Stop Lamp (CHMSL)

This video article demonstrates how to create a reflector for a center high-mounted stop lamp. Optical Part design in Ansys SPEOS enables the design and validation of multiple...

Introducing the GEKO Turbulence Model in Ansys Fluent

The GEKO (GEneralized K-Omega) turbulence model offers a flexible, robust, general-purpose approach to RANS turbulence modeling. Introducing 2 videos: Part 1 provides background information on the model and a...

Postprocessing on Ansys EnSight

This video demonstrates exporting data from Fluent in EnSight Case Gold format, and it reviews the basic postprocessing capabilities of EnSight.

© 2025 Copyright ANSYS, Inc. All rights reserved.