233 Formula 5.8 from NEN-EN 1993-1-1 #519
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| n_ed: N, | ||
| ) -> bool: | ||
| """Evaluates the formula, for more information see the __init__ method.""" | ||
| raise_if_less_or_equal_to_zero(lambda_bar=lambda_bar, A=a, f_y=f_y, N_Ed=n_ed) |
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lambda_bar and A and fy can be zero. use raise_if_negative instead.
| def latex(self) -> LatexFormula: | ||
| """Returns LatexFormula object for formula 5.8.""" | ||
| n = 2 | ||
| _equation: str = r"\left( \lambda_{bar} > 0.5 \sqrt{\frac{A \cdot f_{y}}{N_{Ed}}} \right)" |
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i personally prefer a \cdot after the 0.5, but its up to you.
| (1.0, -1000.0, 355.0, 100000.0), # a is negative | ||
| (1.0, 1000.0, -355.0, 100000.0), # f_y is negative | ||
| (1.0, 1000.0, 355.0, -100000.0), # n_ed is negative | ||
| (0.0, 1000.0, 355.0, 100000.0), # lambda_bar is zero |
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line 35-37 not needed for tests, as they can be zero.
| with pytest.raises(LessOrEqualToZeroError): | ||
| Form5Dot8CheckSlenderness(lambda_bar, a, f_y, n_ed) | ||
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| def test_latex(self) -> None: |
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this test is not in line with all other formula latex tests. could you add the full short and complete result?
| def latex(self) -> LatexFormula: | ||
| """Returns LatexFormula object for formula 5.8.""" | ||
| n = 2 | ||
| _equation: str = r"\left( \lambda_{bar} > 0.5 \sqrt{\frac{A \cdot f_{y}}{N_{Ed}}} \right)" |
| Parameters | ||
| ---------- | ||
| lambda_bar : DIMENSIONLESS | ||
| [$\lambda_{bar}$] Non-dimensional slenderness [-]. |
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is the in-plane non-dimensional slenderness calculated for the member considered as hinged at
its ends
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| Parameters | ||
| ---------- | ||
| lambda_bar : DIMENSIONLESS |
Description
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Fixes #233
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