轉子動力及軸承分析軟體:DyRoBeS
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Dynamics of Rotor Bearing Systems
轉子及軸承動力分析軟體



DyRoBeS_Rotor : 轉子動力計算模組



求解模式及方法
  • 有限元素分析(Finite Element Analysis)
  • 靜態(Static)/模態(Modal)/穩態響應反應(Steady State Synchronous Response Analysis),時域(Time Response)
  • 暫態(Time Transient)
  • 線性/非線性
  • 支援三種積分法:Runge-Kutta, Newmark, Wilson-theta
  • 自動步進時間計算(Automatic Time Step Calculation)
  • 快速傅麗葉轉換頻譜(FFT Spectrum)
元素
  • 轉軸元素(Shaft Element)
  • 柱狀(Cylindrical),錐狀(Conical, Tapered)及用戶自定(User Supplied)
  • 多軸(Multi-Shaft)以及多層(Multi-Level)
  • 轉盤元素(Disk Element)
  • 集中點轉盤(Concentrated Disk)
  • 剛體轉盤(Rigid Disk),4個自由度
  • 撓性轉盤(Flexible Disk),6個自由度
  • 可設定平移(Offset)
支撐及軸承介面
  • 軸承(Bearing):無質量
    • 支援一般文字檔輸入表格
    • 可使用DyRoBeS_BePerf計算結果
    • 內建數學模式
      • Linear Constant 
      • Speed Depend
      • Bearing Coefficient From Data File
      • Psuedo
      • Squeeze Film Damper
      • Plain Journal
      • General Nonlinear Isotropic
      • AMB -Linear PID & Filter
      • AMB - Nonlinear Transient
      • Floating Ring
      • General Nonlinea
      • Liquid Annular Seal
      • Multi-Lobe (2D Reynold Equation)
    • 聯結型式(無質量)
      • 接地(Shaft-Bearing-Ground)
      • 串聯式(Shaft-Bearing-Support-Bearing-Ground)
      • 轉軸聯接式(Shaft-Bearing-Shaft)
      • 併聯或串聯之軸承間連接(Support-Bearing-Support)
  • 支撐(Support):雙自由度,有質量,勁度與阻尼可為0.
  • 基礎 (Foundation):單自由度。


邊界,外力及特殊條件
  • 平衡(Unbalance)
    • 質量及偏心量輸入
  • 外力及邊界條件
    • 軸向力(Axial Force)及扭矩(Torque)
    • 側向靜力(Static Load)及彎矩(Moment)
    • 束制(Constraints)
    • 歷時外力函數(Time Forcing Function) : Exponential Decay, Purely Harmonics, Step Constant, Linear, Polynomial, Purely Harmonics with Speed Dependent Amplitude
  • 特殊條件:直接輸入, Spline曲線近似, Polynomial曲線近似
    • 錯位(Misalignment)
    • 曲軸(Shaft Bow)
附加工具
  • 葉片間隙變異之空氣動力耦合效應(Aerodynamics Excitation Caused by the Impeller Clearance Variation)
  • 軸承勁度及變形計算 : Deep Grove/Angular Contact Ball Bearing, Self-Aligning Ball Bearing, Spherical Roller Bearing, Straight Roller or Tapered Roller Bearing
  • Liquid Annual Seal Dynamic Coefficient
  • Squeeze Film Damper Design Tool
  • 均質固體質量及慣性矩計算
  • Effective Impedance for (Bearing+Support) System
  • Rotor Elliptical Orbit Analysis : Elliptical and Total Orbital
  • 平衡計算(Balancing Calculation) : Influence Coefficient Method






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c)Copyright, 1998-, Shen-Yeh Chen, Ph.D. All rights reserved.陳申岳