Cálculo de C

Cálculo de C para la condición de fluencia acc. a Tsai-Wu

C = 1 + {[\frac{1}{f_{t, x}} + \frac{1}{f_{c, x}}]}^{2} \frac{E_{x} E_{p, x}}{E_{x} - E_{p, x}} α + \frac{σ_{x, 0}^{2}}{f_{t, x} f_{c, x}} + \frac{σ_{y, 0}^{2}}{f_{t, y} f_{c, y}} + \frac{σ_{z, 0}^{2}}{f_{t, z} f_{c, z}}

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