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This leads to a satisfactory modeling of the test results.
The FEA models incorporate the measured material stress strain relationships and section dimensions from the physical tests, detailed modeling of the test boundary conditions, residual stresses due to flame cutting and welding, and initial geometric imperfections in the form of buckling mode shapes.
By means of geometrically non-linear modeling of the test process for high-quality specimens of thin-walled cylinders using a shell finite element implemented in ANSYS, it has been proved that this numerical approach is applicable for design of real axially compressed circular cylindrical shells under external local quasi-static loads.
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In order to better understand these tests and improve the control, some modeling of the tests is required.
Then, finite element analysis (FEA) modeling of the tested specimens was developed, and the results obtained from the FEA modeling were verified against those from the test results.
Simple finite element models of the test were also developed.
Beside, three-dimensional FEM models of the test specimens were constructed and analysed.
Then, the eigenvalue analysis has been conducted based on the detailed mathematical model of the test benchmark.
The analysis is made by means of an analytical modelling of the test.
Based on the absorption coefficients, laboratory tests using a 1 10 scale model of the test specimens were designed.
Response simulations using a two-dimensional analytical model of the test frame are compared with the experimental results.
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Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com