Table 3 Parameters used in simulation and optimization of the 2D crash test case.
From: Learning hyperparameter predictors for similarity-based multidisciplinary topology optimization
Parameter | Value |
|---|---|
Pole mesh | 22 elements |
Pole element type | 4-node shell |
Pole mass density | \(5.0\times 10^{-6}\) \((\text {ton/mm}^{3})\) |
Beam mesh | \(160\times 40\times 1\) |
Beam element type | 8-node solid |
Beam mass density | \(2.7\times 10^{-9}\) \((\text {ton/mm}^{3})\) |
Beam Young’s modulus E | \(7.0\times 10^{4}\) (MPa) |
Beam Poisson’s ratio \(\nu\) | 0.33 |
Beam yield strength \(\sigma _y\) | 241 (MPa) |
Beam tangent modulus \(E_{tan}\) | 70 (MPa) |
LS-Dyna material card (beam) | *MAT_PIECEWISE_LINEAR_PLASTICITY |
LS-Dyna material card (pole) | *MAT_RIGID |
Volume fraction | 0.5 |
Filter radius | 5.5 (mm) |
