Verification of the LIRA-FEM software

Verification of the LIRA-FEM software / Procritical calculations

Тест 9.1 Hinged rod system 1. Large displacements and loss of stability (new)

Analytical solution: V. I. Shalashilin et al. On the use of FEM in solving geometrically nonlinear problems. - CAD and graphics. -2000. - №4. -С. 26 - 31.
For the construction of the scheme was used FE 310 (geometrically non-linear rod FE). Number of nodes:3. Number of elements:2.

Тест 9.3 Hinged rod system 3. Large displacements and loss of stability (new)

Аналитическое решение: Дм. Назаров Обзор современных программ конечно-элементного анализа. – САПР и графика. –2000. – №2. –С. 52 – 55
For the construction of the scheme was used FE 310 (geometrically non-linear rod FE). Number of nodes:4. Number of elements:3.

Тест 9.2 Hinged rod system 2. Large displacements and loss of stability (new)

Analytical Solution: D. Nazarov Review of Modern Finite Element Analysis Programs. - CAD and graphics. -2000. - №2. -С. 52 - 55
For the construction of the scheme was used FE 310 (geometrically non-linear rod FE). Number of nodes:4. Number of elements:3.

Тест 9.4 Hinged rod system 4. Large displacements and loss of stability (new)

Analytical Solution: D. Nazarov Review of Modern Finite Element Analysis Programs. - CAD and graphics. -2000. - №2. -С. 52 - 55
For the construction of the scheme was used FE 310 (geometrically non-linear rod FE). Number of nodes:5. Number of elements:4.

Тест 9.5 Large displacements and loss of stability of a pinched circular arch (new)

Analytical solution: L. D. Landau, E. M. Lifshits Theory of Elasticity, M.: Science, 1987, p. 107. 107.
For the construction of the scheme was used FE 310 (geometrically non-linear rod FE). Number of nodes:5. Number of elements:4.

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