Тест 6.3 Calculation of a system with one degree of freedom by an accelerogram
Verification of the LIRA-FEM software / Тест 6.3 Calculation of a system with one degree of freedom by an accelerogram / Analytical solution: R. Clough, J. Penzien. Dynamics of Structures. M., Stroyizdat, 1979, pp. 101-109., Example 7.1
Analytical solution: Р. Clough, J. Penzien. Dynamics of Structures. M., Stroyizdat, 1979, pp. 101-109., Example 7.1.
Geometry:
Material Characteristics: EF=89.29т; m=1.7858т с2/м; С=3,5716т с/м
Boundary conditions: rigid pinch rod at the base
CALCULATION RESULTS:
|
Time |
The desired value |
Analytical solution |
Calculation results (LIRA) |
Uncertainty,% |
|
t=0,2с |
Xmax, мм |
13,668 |
13,164 |
3,687 |
Note:
For the construction of 1, 3, 3 of the scheme used FE 10 (rod FE).
Number of nodes of each scheme:2.
Number of elements of each circuit:1.
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