機構解析モデル(inspire)のパラメータ最適化手法について

Kazuya Iwasaki
Kazuya Iwasaki Altair Community Member

inspireで機構解析のモデル(剛体とスプリングで構成)を作成し、所望の固有振動数が得られるようにパラメータチューニング(変数はスプリングの剛性と粘性)を行う方法はありますか?

inspireからMotionViewのファイルをエクスポートし、MotionViewを用いて最適化するという手順でも良いのですが、詳細手順がわかる資料はありますでしょうか?

Answers

  • GTT Adam
    GTT Adam
    Altair Employee

    Hi @Kazuya Iwasaki,

    Translated Question:

    "Is there a way to create a mechanical analysis model (consisting of a rigid body and a spring) in inspire and tune the parameters (variables are the stiffness and viscosity of the spring) to obtain the desired natural frequency? It would also be possible to export a MotionView file from inspire and optimize it using MotionView, but are there any documents that explain the detailed steps?"

    Response:

    Yes! A spring-mass-damper system is very easy to model. In the example below, I have sketched a cube and attached a coil spring. The spring has definable parameters for stiffness, damping, preload, and free length. You can also set the constraint method for the spring.

    After running the simulation, the response of the system with it's current settings can be reviewed using HyperView (for animations) and HyperGraph (for plots).

    Animation:

    Vertical Displacement Plot:

    Models developed in Inspire can easily be exported to MotionView as a MDL file using the export command:

    Hope this helps!

    Adam Reid

  • Kazuya Iwasaki
    Kazuya Iwasaki Altair Community Member

    動画を含めた説明、ありがとうございます。

    パラメータスタディを自動で行いたい(HyperStudyもしくはMotionViewのGUI上)のですが、その点に関してはいかがでしょうか?

Welcome!

It looks like you're new here. Sign in or register to get started.

Welcome!

It looks like you're new here. Sign in or register to get started.