Values of Auxiliary Constants
This section contains the standard values that are used for calculations in GlassBR.
| Symbol | Description | Value | Unit |
|---|---|---|---|
| \({\mathit{AR}_{\text{max}}}\) | maximum aspect ratio | \(5\) | – |
| \({d_{\text{max}}}\) | maximum value for one of the dimensions of the glass plate | \(5\) | \({\text{m}}\) |
| \({d_{\text{min}}}\) | minimum value for one of the dimensions of the glass plate | \(0.1\) | \({\text{m}}\) |
| \(E\) | modulus of elasticity of glass | \(71.7\cdot{}10^{9}\) | \({\text{Pa}}\) |
| \({J_{\text{max}}}\) | maximum value for the stress distribution factor | \(32\) | – |
| \({J_{\text{min}}}\) | minimum value for the stress distribution factor | \(1\) | – |
| \(k\) | surface flaw parameter | \(28.6\cdot{}10^{-54}\) | \(\frac{\text{m}^{12}}{\text{N}^{7}}\) |
| \(\mathit{LSF}\) | load share factor | \(1\) | – |
| \(m\) | surface flaw parameter | \(7\) | \(\frac{\text{m}^{12}}{\text{N}^{7}}\) |
| \({\mathit{SD}_{\text{max}}}\) | maximum stand off distance permissible for input | \(130\) | \({\text{m}}\) |
| \({\mathit{SD}_{\text{min}}}\) | minimum stand off distance permissible for input | \(6\) | \({\text{m}}\) |
| \({t_{\text{d}}}\) | duration of load | \(3\) | \({\text{s}}\) |
| \({w_{\text{max}}}\) | maximum permissible input charge weight | \(910\) | \({\text{kg}}\) |
| \({w_{\text{min}}}\) | minimum permissible input charge weight | \(4.5\) | \({\text{kg}}\) |
Auxiliary Constants