Mechanical APDL Structural Analysis Guide
List of Figures 1.1. Rayleigh Damping................................................. ......................................... ...
11.4. Thought Experiment Proposed by Eshelby................................................ ................................... ...
List of Tables 1.1. Damping for Full Analyses.................................................. ................................ ...
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Chapter 1: Overview of Structural Analyses Structural analysis is probably the most common application of the finite element met ...
The primary unknowns (nodal degrees of freedom) calculated in a structural analysis are displacements. Other quantities such as ...
You can specify more than one form of damping in a model. The program will formulate the damping matrix [C] as the sum of all th ...
Undamped Modal --- --- No ( 1 ) --- --- Yes Yes Yes ( 1 ) Yes Yes Mode Superposition Harmonic Mode Superposition Yes Yes Yes ( 1 ...
Supported by the QR Damped eigensolver when the complex mode shapes are requested (Cpxmod = YES on the MODOPT command). All oth ...
Figure 1.1: Rayleigh Damping DampingRatio, ξ Total β-damping α-damping ω 1 ω 2 Alpha damping can lead to undesirable results if ...
1.4.5. Mode-Dependent Damping Ratio Mode Dependent Damping Ratio gives you the ability to specify different damping ratios for d ...
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Chapter 2: Structural Static Analysis A static analysis calculates the effects of steady loading conditions on a structure, whil ...
Set Additional Solution Options (p. 13) Apply the Loads (p. 15) Solve the Analysis (p. 18) Review the Results (p. 19) 2.2.1. B ...
2.2.2.1. Access the Solution Controls Dialog Box To access the Solution Controls dialog box, choose menu path Main Menu> Solu ...
When setting TIME, remember that this load step option specifies time at the end of the load step. The default value is 1.0 for ...
For more information about this option, see the following section(s) in the Structural Analysis Guide: Option Activate a predict ...
2.2.3.2. Newton-Raphson Option. Use this analysis option only in a nonlinear analysis. This option specifies how often the tange ...
2.2.3.6. Mode Number This load step option is used for axisymmetric harmonic elements. Command(s):MODE GUI: Main Menu> Soluti ...
2.2.4.1.3. Forces (FX, FY, FZ) and Moments (MX, MY, MZ). These are concentrated loads usually specified on the model exterior. T ...
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